HA04: add LevelWithBox, create javaDoc

3 years ago · 4cf3bf1d0a
231 changed files with 21040 additions and 816 deletions
--- a/bin/.gitignore
+++ b/bin/.gitignore
@ -0,0 +1 @@
 /playground/
--- a/bin/base/GameLoop.class
+++ b/bin/base/GameLoop.class
--- a/bin/base/MultiLevelGame.class
+++ b/bin/base/MultiLevelGame.class
--- a/bin/collider/CircleCollider.class
+++ b/bin/collider/CircleCollider.class
--- a/bin/collider/Collider.class
+++ b/bin/collider/Collider.class
--- a/bin/collider/RectCollider.class
+++ b/bin/collider/RectCollider.class
--- a/bin/controller/CollisionAwareEgoController.class
+++ b/bin/controller/CollisionAwareEgoController.class
--- a/bin/controller/EgoController.class
+++ b/bin/controller/EgoController.class
--- a/bin/controller/EnemyController.class
+++ b/bin/controller/EnemyController.class
--- a/bin/controller/FallingStarController.class
+++ b/bin/controller/FallingStarController.class
--- a/bin/controller/LimitedTimeController.class
+++ b/bin/controller/LimitedTimeController.class
--- a/bin/controller/MineController.class
+++ b/bin/controller/MineController.class
--- a/bin/controller/ObjectController.class
+++ b/bin/controller/ObjectController.class
--- a/bin/controller/SimpleShotController.class
+++ b/bin/controller/SimpleShotController.class
--- a/bin/controller/ZickZackController.class
+++ b/bin/controller/ZickZackController.class
--- a/bin/controller/package-info.class
+++ b/bin/controller/package-info.class
--- a/bin/gameobjects/AnimatedGameobject.class
+++ b/bin/gameobjects/AnimatedGameobject.class
--- a/bin/gameobjects/EgoObject.class
+++ b/bin/gameobjects/EgoObject.class
--- a/bin/gameobjects/FallingStar.class
+++ b/bin/gameobjects/FallingStar.class
--- a/bin/gameobjects/GameObject.class
+++ b/bin/gameobjects/GameObject.class
--- a/bin/gameobjects/RectObject.class
+++ b/bin/gameobjects/RectObject.class
--- a/bin/gameobjects/TextObject.class
+++ b/bin/gameobjects/TextObject.class
--- a/bin/playground/.gitignore
+++ b/bin/playground/.gitignore
@ -1,4 +0,0 @@
 /Level5.class
 /Level6.class
 /Level7.class
 /SpaceInvadersLevelAua.class
--- a/bin/playground/Animation.class
+++ b/bin/playground/Animation.class
--- a/bin/playground/HighscoreManager.class
+++ b/bin/playground/HighscoreManager.class
--- a/bin/playground/Level1.class
+++ b/bin/playground/Level1.class
--- a/bin/playground/Level2.class
+++ b/bin/playground/Level2.class
--- a/bin/playground/Level3.class
+++ b/bin/playground/Level3.class
--- a/bin/playground/Level4.class
+++ b/bin/playground/Level4.class
--- a/bin/playground/LevelBoss.class
+++ b/bin/playground/LevelBoss.class
--- a/bin/playground/LevelHitTwice.class
+++ b/bin/playground/LevelHitTwice.class
--- a/bin/playground/Music$1.class
+++ b/bin/playground/Music$1.class
--- a/bin/playground/Music.class
+++ b/bin/playground/Music.class
--- a/bin/playground/Playground.class
+++ b/bin/playground/Playground.class
--- a/bin/playground/SaveGame.class
+++ b/bin/playground/SaveGame.class
--- a/bin/playground/SpaceInvadersLevel.class
+++ b/bin/playground/SpaceInvadersLevel.class
--- a/bin/playground/SpaceInvadersLevelTest.class
+++ b/bin/playground/SpaceInvadersLevelTest.class
--- a/bin/rendering/AnimationArtist.class
+++ b/bin/rendering/AnimationArtist.class
--- a/bin/rendering/Artist.class
+++ b/bin/rendering/Artist.class
--- a/bin/rendering/CircleArtist.class
+++ b/bin/rendering/CircleArtist.class
--- a/bin/rendering/RectArtist.class
+++ b/bin/rendering/RectArtist.class
--- a/bin/rendering/TextArtist.class
+++ b/bin/rendering/TextArtist.class
--- a/bin/ui/AboutFrame$1.class
+++ b/bin/ui/AboutFrame$1.class
--- a/bin/ui/AboutFrame.class
+++ b/bin/ui/AboutFrame.class
--- a/bin/ui/GamePanel.class
+++ b/bin/ui/GamePanel.class
--- a/bin/ui/GameUI.class
+++ b/bin/ui/GameUI.class
--- a/doc/allclasses-index.html
+++ b/doc/allclasses-index.html
@ -0,0 +1,220 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>All Classes and Interfaces</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
 <meta name="description" content="class index">
 <meta name="generator" content="javadoc/AllClassesIndexWriter">
 <link rel="stylesheet" type="text/css" href="stylesheet.css" title="Style">
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 loadScripts(document, 'script');</script>
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 <!-- ========= START OF TOP NAVBAR ======= -->
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 <li><a href="index.html">Overview</a></li>
 <li>Package</li>
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 <span class="skip-nav" id="skip-navbar-top"></span></nav>
 </header>
 <div class="flex-content">
 <main role="main">
 <div class="header">
 <h1 title="All Classes and Interfaces" class="title">All Classes and Interfaces</h1>
 </div>
 <div id="all-classes-table">
 <div class="caption"><span>Classes</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Class</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="gameobjects/AnimatedGameobject.html" title="class in gameobjects">AnimatedGameobject</a></div>
 <div class="col-last even-row-color all-classes-table all-classes-table-tab2">&nbsp;</div>
 <div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="playground/Animation.html" title="class in playground">Animation</a></div>
 <div class="col-last odd-row-color all-classes-table all-classes-table-tab2">&nbsp;</div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="rendering/AnimationArtist.html" title="class in rendering">AnimationArtist</a></div>
 <div class="col-last even-row-color all-classes-table all-classes-table-tab2">&nbsp;</div>
 <div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="rendering/Artist.html" title="class in rendering">Artist</a></div>
 <div class="col-last odd-row-color all-classes-table all-classes-table-tab2">&nbsp;</div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="rendering/CircleArtist.html" title="class in rendering">CircleArtist</a></div>
 <div class="col-last even-row-color all-classes-table all-classes-table-tab2">&nbsp;</div>
 <div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="collider/CircleCollider.html" title="class in collider">CircleCollider</a></div>
 <div class="col-last odd-row-color all-classes-table all-classes-table-tab2">
 <div class="block">Collider for round objects</div>
 </div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="collider/Collider.html" title="class in collider">Collider</a></div>
 <div class="col-last even-row-color all-classes-table all-classes-table-tab2">
 <div class="block">abstract base class for all Colliders to detect collisions between GameObjects</div>
 </div>
 <div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="controller/CollisionAwareEgoController.html" title="class in controller">CollisionAwareEgoController</a></div>
 <div class="col-last odd-row-color all-classes-table all-classes-table-tab2">
 <div class="block">An EgoController which cannot move through obstacle objects (is collission aware).</div>
 </div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="controller/EgoController.html" title="class in controller">EgoController</a></div>
 <div class="col-last even-row-color all-classes-table all-classes-table-tab2">
 <div class="block">Controller using key events for up, down, left, right and space (shooting) to control the ego
 object behavior.</div>
 </div>
 <div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="gameobjects/EgoObject.html" title="class in gameobjects">EgoObject</a></div>
 <div class="col-last odd-row-color all-classes-table all-classes-table-tab2">&nbsp;</div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="controller/EnemyController.html" title="class in controller">EnemyController</a></div>
 <div class="col-last even-row-color all-classes-table all-classes-table-tab2">
 <div class="block">This class controls the space invaders.</div>
 </div>
 <div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="gameobjects/FallingStar.html" title="class in gameobjects">FallingStar</a></div>
 <div class="col-last odd-row-color all-classes-table all-classes-table-tab2">&nbsp;</div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="controller/FallingStarController.html" title="class in controller">FallingStarController</a></div>
 <div class="col-last even-row-color all-classes-table all-classes-table-tab2">
 <div class="block">Controls background stars.</div>
 </div>
 <div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="base/GameLoop.html" title="class in base">GameLoop</a></div>
 <div class="col-last odd-row-color all-classes-table all-classes-table-tab2">
 <div class="block">Main class starting any game, contains main().</div>
 </div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="gameobjects/GameObject.html" title="class in gameobjects">GameObject</a></div>
 <div class="col-last even-row-color all-classes-table all-classes-table-tab2">
 <div class="block">The class <a href="gameobjects/GameObject.html" title="class in gameobjects"><code>GameObject</code></a> represents a (possibly animated) object appearing in a level of the
 game.</div>
 </div>
 <div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="ui/GameUI.html" title="class in ui">GameUI</a></div>
 <div class="col-last odd-row-color all-classes-table all-classes-table-tab2">
 <div class="block">creates the game UI JFrame containing a canvas (see class <code>GamePanel</code>)) for the levels to
 paint the games.</div>
 </div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="playground/HighscoreManager.html" title="class in playground">HighscoreManager</a></div>
 <div class="col-last even-row-color all-classes-table all-classes-table-tab2">&nbsp;</div>
 <div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="playground/Level1.html" title="class in playground">Level1</a></div>
 <div class="col-last odd-row-color all-classes-table all-classes-table-tab2">
 <div class="block">extends <a href="playground/SpaceInvadersLevel.html" title="class in playground"><code>SpaceInvadersLevel</code></a> with a boring start message</div>
 </div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="playground/Level2.html" title="class in playground">Level2</a></div>
 <div class="col-last even-row-color all-classes-table all-classes-table-tab2">
 <div class="block">extends extends <a href="playground/SpaceInvadersLevel.html" title="class in playground"><code>SpaceInvadersLevel</code></a> with a different startup message.</div>
 </div>
 <div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="playground/Level3.html" title="class in playground">Level3</a></div>
 <div class="col-last odd-row-color all-classes-table all-classes-table-tab2">
 <div class="block">extends <a href="playground/SpaceInvadersLevel.html" title="class in playground"><code>SpaceInvadersLevel</code></a> with a ZigZack move of the enemies in
 <code>Level3.createSingleEnemy(String, double, double, double, double, ObjectController, double)</code> and
 sets a different <code>Level3.getStartupMessage()</code>.</div>
 </div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="playground/Level4.html" title="class in playground">Level4</a></div>
 <div class="col-last even-row-color all-classes-table all-classes-table-tab2">
 <div class="block">extends extends <a href="playground/SpaceInvadersLevel.html" title="class in playground"><code>SpaceInvadersLevel</code></a>
 Hit aliens twice to kill them
 they say AUA when not destroyed
 </div>
 </div>
 <div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="playground/Level5.html" title="class in playground">Level5</a></div>
 <div class="col-last odd-row-color all-classes-table all-classes-table-tab2">
 <div class="block">extends <a href="playground/SpaceInvadersLevel.html" title="class in playground"><code>SpaceInvadersLevel</code></a> with a boring start message</div>
 </div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="playground/Level6.html" title="class in playground">Level6</a></div>
 <div class="col-last even-row-color all-classes-table all-classes-table-tab2">
 <div class="block">extends <a href="playground/SpaceInvadersLevel.html" title="class in playground"><code>SpaceInvadersLevel</code></a> with a boring start message</div>
 </div>
 <div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="playground/Level7.html" title="class in playground">Level7</a></div>
 <div class="col-last odd-row-color all-classes-table all-classes-table-tab2">
 <div class="block">extends <a href="playground/SpaceInvadersLevel.html" title="class in playground"><code>SpaceInvadersLevel</code></a> with a boring start message</div>
 </div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="playground/LevelBoss.html" title="class in playground">LevelBoss</a></div>
 <div class="col-last even-row-color all-classes-table all-classes-table-tab2">
 <div class="block">Class that realizes all the game logic of a very simple game level.</div>
 </div>
 <div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="playground/LevelHitTwice.html" title="class in playground">LevelHitTwice</a></div>
 <div class="col-last odd-row-color all-classes-table all-classes-table-tab2">
 <div class="block">extends <a href="playground/SpaceInvadersLevel.html" title="class in playground"><code>SpaceInvadersLevel</code></a> with 10 enemies that need two shots each to be destroyed.</div>
 </div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="playground/LevelWithBox.html" title="class in playground">LevelWithBox</a></div>
 <div class="col-last even-row-color all-classes-table all-classes-table-tab2">
 <div class="block">extends <a href="playground/SpaceInvadersLevel.html" title="class in playground"><code>SpaceInvadersLevel</code></a> with a red Rectangle with no function.</div>
 </div>
 <div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="controller/LimitedTimeController.html" title="class in controller">LimitedTimeController</a></div>
 <div class="col-last odd-row-color all-classes-table all-classes-table-tab2">
 <div class="block">Controls and abject that is deleted after a lifetime specified in the constructor, and when it
 leaves the display.</div>
 </div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="controller/MineController.html" title="class in controller">MineController</a></div>
 <div class="col-last even-row-color all-classes-table all-classes-table-tab2">&nbsp;</div>
 <div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="base/MultiLevelGame.html" title="class in base">MultiLevelGame</a></div>
 <div class="col-last odd-row-color all-classes-table all-classes-table-tab2">&nbsp;</div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="playground/Music.html" title="class in playground">Music</a></div>
 <div class="col-last even-row-color all-classes-table all-classes-table-tab2">&nbsp;</div>
 <div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="controller/ObjectController.html" title="class in controller">ObjectController</a></div>
 <div class="col-last odd-row-color all-classes-table all-classes-table-tab2">
 <div class="block">Class that controls the LOGICAL behavior of an object independently of how it is displayed or
 drawn.</div>
 </div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="playground/Playground.html" title="class in playground">Playground</a></div>
 <div class="col-last even-row-color all-classes-table all-classes-table-tab2">
 <div class="block">Playground represents a level of the game, focusing on the game LOGIC, i.e., not so much on the
 graphical representation.</div>
 </div>
 <div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="rendering/RectArtist.html" title="class in rendering">RectArtist</a></div>
 <div class="col-last odd-row-color all-classes-table all-classes-table-tab2">&nbsp;</div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="collider/RectCollider.html" title="class in collider">RectCollider</a></div>
 <div class="col-last even-row-color all-classes-table all-classes-table-tab2">
 <div class="block">a <a href="collider/Collider.html" title="class in collider"><code>Collider</code></a> for Rectangles, usually used for <a href="gameobjects/RectObject.html" title="class in gameobjects"><code>RectObject</code></a> instances.</div>
 </div>
 <div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="gameobjects/RectObject.html" title="class in gameobjects">RectObject</a></div>
 <div class="col-last odd-row-color all-classes-table all-classes-table-tab2">
 <div class="block">A rectangle object.</div>
 </div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="playground/SaveGame.html" title="class in playground">SaveGame</a></div>
 <div class="col-last even-row-color all-classes-table all-classes-table-tab2">&nbsp;</div>
 <div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="controller/SimpleShotController.html" title="class in controller">SimpleShotController</a></div>
 <div class="col-last odd-row-color all-classes-table all-classes-table-tab2">&nbsp;</div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="playground/SpaceInvadersLevel.html" title="class in playground">SpaceInvadersLevel</a></div>
 <div class="col-last even-row-color all-classes-table all-classes-table-tab2">
 <div class="block">Class that realizes all the game logic of a very simple game level.</div>
 </div>
 <div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="playground/SpaceInvadersLevelAua.html" title="class in playground">SpaceInvadersLevelAua</a></div>
 <div class="col-last odd-row-color all-classes-table all-classes-table-tab2">
 <div class="block">Class that realizes all the game logic of a very simple game level.</div>
 </div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="rendering/TextArtist.html" title="class in rendering">TextArtist</a></div>
 <div class="col-last even-row-color all-classes-table all-classes-table-tab2">
 <div class="block">Rendering an object as a text of a specified color, size and font.</div>
 </div>
 <div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="gameobjects/TextObject.html" title="class in gameobjects">TextObject</a></div>
 <div class="col-last odd-row-color all-classes-table all-classes-table-tab2">
 <div class="block">Convenience Class subclassing <a href="gameobjects/GameObject.html" title="class in gameobjects"><code>GameObject</code></a>, directly instanciating <a href="rendering/TextArtist.html" title="class in rendering"><code>TextArtist</code></a> a
 subclass of <a href="rendering/Artist.html" title="class in rendering"><code>Artist</code></a> that draws a text.</div>
 </div>
 <div class="col-first even-row-color all-classes-table all-classes-table-tab2"><a href="controller/ZickZackController.html" title="class in controller">ZickZackController</a></div>
 <div class="col-last even-row-color all-classes-table all-classes-table-tab2">&nbsp;</div>
 </div>
 </div>
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/allpackages-index.html
+++ b/doc/allpackages-index.html
@ -0,0 +1,80 @@
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+++ b/doc/base/GameLoop.html
@ -0,0 +1,254 @@
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 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">base</a></div>
 <h1 title="Class GameLoop" class="title">Class GameLoop</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance">base.GameLoop</div>
 </div>
 <section class="class-description" id="class-description">
 <dl class="notes">
 <dt>Direct Known Subclasses:</dt>
 <dd><code><a href="MultiLevelGame.html" title="class in base">MultiLevelGame</a></code></dd>
 </dl>
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">GameLoop</span>
 <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span></div>
 <div class="block">Main class starting any game, contains main(). Apart from that, this class manages all
 non-logical functionalities which should be hidden from a game designer like:
 <ul>
 <li>Setting up windows, panels, buttons, action callbacks, ...
 <li>Reading keyboard inputs
 <li>Redrawing game window if necessary
 <li>managing the game time and calling the appropriate <a href="../gameobjects/GameObject.html" title="class in gameobjects"><code>GameObject</code></a> or <a href="../playground/Playground.html" title="class in playground"><code>Playground</code></a>
 methods periodically, at every time step of the game.
 </ul>
 There will normally never be a need to modify this file, a designer/game programmer should always
 redefine the <a href="../gameobjects/GameObject.html" title="class in gameobjects"><code>GameObject</code></a> and <a href="../playground/Playground.html" title="class in playground"><code>Playground</code></a> classes and implement new functionality
 there. To make a long story short<br></div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- =========== FIELD SUMMARY =========== -->
 <li>
 <section class="field-summary" id="field-summary">
 <h2>Field Summary</h2>
 <div class="caption"><span>Fields</span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Field</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>static int</code></div>
 <div class="col-second even-row-color"><code><a href="#SIZEX" class="member-name-link">SIZEX</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">Pixel width of Game GUI ( above 0)</div>
 </div>
 <div class="col-first odd-row-color"><code>static int</code></div>
 <div class="col-second odd-row-color"><code><a href="#SIZEY" class="member-name-link">SIZEY</a></code></div>
 <div class="col-last odd-row-color">
 <div class="block">Pixel height of Game GUI (above 0)</div>
 </div>
 </div>
 </section>
 </li>
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">GameLoop</a>()</code></div>
 <div class="col-last even-row-color">
 <div class="block">constructor which calls <code>defineLevels()</code>, which adds all levels of this game.</div>
 </div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#main(java.lang.String%5B%5D)" class="member-name-link">main</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]&nbsp;args)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
 <div class="block">main to start the whole application.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#runGame(java.lang.String%5B%5D)" class="member-name-link">runGame</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]&nbsp;args)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">loops over all <code>levels</code> and implements the game loop to update continuously the level
 during play time</div>
 </div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ============ FIELD DETAIL =========== -->
 <li>
 <section class="field-details" id="field-detail">
 <h2>Field Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="SIZEX">
 <h3>SIZEX</h3>
 <div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">SIZEX</span></div>
 <div class="block">Pixel width of Game GUI ( above 0)</div>
 </section>
 </li>
 <li>
 <section class="detail" id="SIZEY">
 <h3>SIZEY</h3>
 <div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">SIZEY</span></div>
 <div class="block">Pixel height of Game GUI (above 0)</div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;()">
 <h3>GameLoop</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">GameLoop</span>()</div>
 <div class="block">constructor which calls <code>defineLevels()</code>, which adds all levels of this game.</div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="runGame(java.lang.String[])">
 <h3>runGame</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">runGame</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]&nbsp;args)</span>
             throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
 <div class="block">loops over all <code>levels</code> and implements the game loop to update continuously the level
 during play time</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>args</code> - command line arguments forwarded (currently ignored)</dd>
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code> - if hitghscore.txt cannot be written.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="main(java.lang.String[])">
 <h3>main</h3>
 <div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">main</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]&nbsp;args)</span>
                 throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
 <div class="block">main to start the whole application.
 initializes the <code>levels</code> ArrayList of Playground instances (levels) to be played with one level <code>SpaceInvadersLevel</code> in constructor of <a href="#%3Cinit%3E()"><code>GameLoop()</code></a>.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>args</code> - Java default command line args, forwarded to <a href="#runGame(java.lang.String%5B%5D)"><code>runGame(String[])</code></a></dd>
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code> - in case highscore.txt cannot be written.</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
 <!-- ========= END OF CLASS DATA ========= -->
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/base/MultiLevelGame.html
+++ b/doc/base/MultiLevelGame.html
@ -0,0 +1,178 @@
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 <head>
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 <div class="header">
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">base</a></div>
 <h1 title="Class MultiLevelGame" class="title">Class MultiLevelGame</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance"><a href="GameLoop.html" title="class in base">base.GameLoop</a>
 <div class="inheritance">base.MultiLevelGame</div>
 </div>
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 <section class="class-description" id="class-description">
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">MultiLevelGame</span>
 <span class="extends-implements">extends <a href="GameLoop.html" title="class in base">GameLoop</a></span></div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- =========== FIELD SUMMARY =========== -->
 <li>
 <section class="field-summary" id="field-summary">
 <h2>Field Summary</h2>
 <div class="inherited-list">
 <h3 id="fields-inherited-from-class-base.GameLoop">Fields inherited from class&nbsp;base.<a href="GameLoop.html" title="class in base">GameLoop</a></h3>
 <code><a href="GameLoop.html#SIZEX">SIZEX</a>, <a href="GameLoop.html#SIZEY">SIZEY</a></code></div>
 </section>
 </li>
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
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 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">MultiLevelGame</a>()</code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
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 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#main(java.lang.String%5B%5D)" class="member-name-link">main</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]&nbsp;args)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-base.GameLoop">Methods inherited from class&nbsp;base.<a href="GameLoop.html" title="class in base">GameLoop</a></h3>
 <code><a href="GameLoop.html#runGame(java.lang.String%5B%5D)">runGame</a></code></div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;()">
 <h3>MultiLevelGame</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">MultiLevelGame</span>()</div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="main(java.lang.String[])">
 <h3>main</h3>
 <div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">main</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]&nbsp;args)</span>
                 throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
 <dl class="notes">
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
 <!-- ========= END OF CLASS DATA ========= -->
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/base/class-use/GameLoop.html
+++ b/doc/base/class-use/GameLoop.html
@ -0,0 +1,83 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>Uses of Class base.GameLoop</title>
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 <meta name="dc.created" content="2022-05-12">
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 </div>
 <div class="caption"><span>Packages that use <a href="../GameLoop.html" title="class in base">GameLoop</a></span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Package</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><a href="#base">base</a></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
 <section class="class-uses">
 <ul class="block-list">
 <li>
 <section class="detail" id="base">
 <h2>Uses of <a href="../GameLoop.html" title="class in base">GameLoop</a> in <a href="../package-summary.html">base</a></h2>
 <div class="caption"><span>Subclasses of <a href="../GameLoop.html" title="class in base">GameLoop</a> in <a href="../package-summary.html">base</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Class</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>class&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="../MultiLevelGame.html" class="type-name-link" title="class in base">MultiLevelGame</a></code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
 </section>
 </li>
 </ul>
 </section>
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/base/class-use/MultiLevelGame.html
+++ b/doc/base/class-use/MultiLevelGame.html
@ -0,0 +1,58 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>Uses of Class base.MultiLevelGame</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
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 </div>
 No usage of base.MultiLevelGame</main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/base/package-summary.html
+++ b/doc/base/package-summary.html
@ -0,0 +1,87 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
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 <li>Package:&nbsp;</li>
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 <h1 title="Package base" class="title">Package base</h1>
 </div>
 <hr>
 <div class="package-signature">package <span class="element-name">base</span></div>
 <section class="summary">
 <ul class="summary-list">
 <li>
 <div id="class-summary">
 <div class="caption"><span>Classes</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Class</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color class-summary class-summary-tab2"><a href="GameLoop.html" title="class in base">GameLoop</a></div>
 <div class="col-last even-row-color class-summary class-summary-tab2">
 <div class="block">Main class starting any game, contains main().</div>
 </div>
 <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="MultiLevelGame.html" title="class in base">MultiLevelGame</a></div>
 <div class="col-last odd-row-color class-summary class-summary-tab2">&nbsp;</div>
 </div>
 </div>
 </li>
 </ul>
 </section>
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/base/package-tree.html
+++ b/doc/base/package-tree.html
@ -0,0 +1,76 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>base Class Hierarchy</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
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 <li><a href="../overview-tree.html">All Packages</a></li>
 </ul>
 </div>
 <section class="hierarchy">
 <h2 title="Class Hierarchy">Class Hierarchy</h2>
 <ul>
 <li class="circle">java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" class="type-name-link external-link" title="class or interface in java.lang">Object</a>
 <ul>
 <li class="circle">base.<a href="GameLoop.html" class="type-name-link" title="class in base">GameLoop</a>
 <ul>
 <li class="circle">base.<a href="MultiLevelGame.html" class="type-name-link" title="class in base">MultiLevelGame</a></li>
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--- a/doc/base/package-use.html
+++ b/doc/base/package-use.html
@ -0,0 +1,82 @@
 <!DOCTYPE HTML>
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 <h1 title="Uses of Package base" class="title">Uses of Package<br>base</h1>
 </div>
 <div class="caption"><span>Packages that use <a href="package-summary.html">base</a></span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Package</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><a href="#base">base</a></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
 <section class="package-uses">
 <ul class="block-list">
 <li>
 <section class="detail" id="base">
 <div class="caption"><span>Classes in <a href="package-summary.html">base</a> used by <a href="package-summary.html">base</a></span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Class</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><a href="class-use/GameLoop.html#base">GameLoop</a></div>
 <div class="col-last even-row-color">
 <div class="block">Main class starting any game, contains main().</div>
 </div>
 </div>
 </section>
 </li>
 </ul>
 </section>
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/collider/CircleCollider.html
+++ b/doc/collider/CircleCollider.html
@ -0,0 +1,237 @@
 <!DOCTYPE HTML>
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 <div class="header">
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">collider</a></div>
 <h1 title="Class CircleCollider" class="title">Class CircleCollider</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance"><a href="Collider.html" title="class in collider">collider.Collider</a>
 <div class="inheritance">collider.CircleCollider</div>
 </div>
 </div>
 <section class="class-description" id="class-description">
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">CircleCollider</span>
 <span class="extends-implements">extends <a href="Collider.html" title="class in collider">Collider</a></span></div>
 <div class="block">Collider for round objects</div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- =========== FIELD SUMMARY =========== -->
 <li>
 <section class="field-summary" id="field-summary">
 <h2>Field Summary</h2>
 <div class="inherited-list">
 <h3 id="fields-inherited-from-class-collider.Collider">Fields inherited from class&nbsp;collider.<a href="Collider.html" title="class in collider">Collider</a></h3>
 <code><a href="Collider.html#id">id</a></code></div>
 </section>
 </li>
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(java.lang.String,gameobjects.GameObject,double)" class="member-name-link">CircleCollider</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;o,
 double&nbsp;radius)</code></div>
 <div class="col-last even-row-color">
 <div class="block">Constructor which sets the radius to be respected for collisions.</div>
 </div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#checkCollisionCircCirc(collider.Collider)" class="member-name-link">checkCollisionCircCirc</a><wbr>(<a href="Collider.html" title="class in collider">Collider</a>&nbsp;_c2)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">calculates the collission of this with other collider</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#collidesWith(collider.Collider)" class="member-name-link">collidesWith</a><wbr>(<a href="Collider.html" title="class in collider">Collider</a>&nbsp;other)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">checks the collission with another collider instance.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#toString()" class="member-name-link">toString</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">simple concatenation of all attributes (x,y,r)</div>
 </div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-collider.Collider">Methods inherited from class&nbsp;collider.<a href="Collider.html" title="class in collider">Collider</a></h3>
 <code><a href="Collider.html#getId()">getId</a>, <a href="Collider.html#getX()">getX</a>, <a href="Collider.html#getY()">getY</a>, <a href="Collider.html#setController(controller.ObjectController)">setController</a>, <a href="Collider.html#setObject(gameobjects.GameObject)">setObject</a>, <a href="Collider.html#setOffsets(double,double)">setOffsets</a>, <a href="Collider.html#setPlayground(playground.Playground)">setPlayground</a></code></div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;(java.lang.String,gameobjects.GameObject,double)">
 <h3>CircleCollider</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">CircleCollider</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;o,
 double&nbsp;radius)</span></div>
 <div class="block">Constructor which sets the radius to be respected for collisions.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>id</code> - String unique name for the collider instance</dd>
 <dd><code>o</code> - GameObject it belongs to</dd>
 <dd><code>radius</code> - radius in pixels to use as a size</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="toString()">
 <h3>toString</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">toString</span>()</div>
 <div class="block">simple concatenation of all attributes (x,y,r)</div>
 <dl class="notes">
 <dt>Overrides:</dt>
 <dd><code><a href="Collider.html#toString()">toString</a></code>&nbsp;in class&nbsp;<code><a href="Collider.html" title="class in collider">Collider</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="checkCollisionCircCirc(collider.Collider)">
 <h3>checkCollisionCircCirc</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">checkCollisionCircCirc</span><wbr><span class="parameters">(<a href="Collider.html" title="class in collider">Collider</a>&nbsp;_c2)</span>
                               throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Exception.html" title="class or interface in java.lang" class="external-link">Exception</a></span></div>
 <div class="block">calculates the collission of this with other collider</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>_c2</code> - the other collider</dd>
 <dt>Returns:</dt>
 <dd>true if a collision was detected</dd>
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Exception.html" title="class or interface in java.lang" class="external-link">Exception</a></code> - in case the math operations are invalid (due to illegal values of x y or
         radius)</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="collidesWith(collider.Collider)">
 <h3>collidesWith</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">collidesWith</span><wbr><span class="parameters">(<a href="Collider.html" title="class in collider">Collider</a>&nbsp;other)</span></div>
 <div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="Collider.html#collidesWith(collider.Collider)">Collider</a></code></span></div>
 <div class="block">checks the collission with another collider instance.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="Collider.html#collidesWith(collider.Collider)">collidesWith</a></code>&nbsp;in class&nbsp;<code><a href="Collider.html" title="class in collider">Collider</a></code></dd>
 <dt>Parameters:</dt>
 <dd><code>other</code> - the instance to compare to</dd>
 <dt>Returns:</dt>
 <dd>true if the colliders collide (touch or overlap)</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
 <!-- ========= END OF CLASS DATA ========= -->
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/collider/Collider.html
+++ b/doc/collider/Collider.html
@ -0,0 +1,346 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>Collider</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
 <meta name="description" content="declaration: package: collider, class: Collider">
 <meta name="generator" content="javadoc/ClassWriterImpl">
 <link rel="stylesheet" type="text/css" href="../stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../script-dir/jquery-ui.min.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../jquery-ui.overrides.css" title="Style">
 <script type="text/javascript" src="../script.js"></script>
 <script type="text/javascript" src="../script-dir/jquery-3.5.1.min.js"></script>
 <script type="text/javascript" src="../script-dir/jquery-ui.min.js"></script>
 </head>
 <body class="class-declaration-page">
 <script type="text/javascript">var evenRowColor = "even-row-color";
 var oddRowColor = "odd-row-color";
 var tableTab = "table-tab";
 var activeTableTab = "active-table-tab";
 var pathtoroot = "../";
 loadScripts(document, 'script');</script>
 <noscript>
 <div>JavaScript is disabled on your browser.</div>
 </noscript>
 <div class="flex-box">
 <header role="banner" class="flex-header">
 <nav role="navigation">
 <!-- ========= START OF TOP NAVBAR ======= -->
 <div class="top-nav" id="navbar-top">
 <div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div>
 <ul id="navbar-top-firstrow" class="nav-list" title="Navigation">
 <li><a href="../index.html">Overview</a></li>
 <li><a href="package-summary.html">Package</a></li>
 <li class="nav-bar-cell1-rev">Class</li>
 <li><a href="class-use/Collider.html">Use</a></li>
 <li><a href="package-tree.html">Tree</a></li>
 <li><a href="../index-files/index-1.html">Index</a></li>
 <li><a href="../help-doc.html#class">Help</a></li>
 </ul>
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 <div class="sub-nav">
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 <!-- ======== START OF CLASS DATA ======== -->
 <div class="header">
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">collider</a></div>
 <h1 title="Class Collider" class="title">Class Collider</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance">collider.Collider</div>
 </div>
 <section class="class-description" id="class-description">
 <dl class="notes">
 <dt>Direct Known Subclasses:</dt>
 <dd><code><a href="CircleCollider.html" title="class in collider">CircleCollider</a></code>, <code><a href="RectCollider.html" title="class in collider">RectCollider</a></code></dd>
 </dl>
 <hr>
 <div class="type-signature"><span class="modifiers">public abstract class </span><span class="element-name type-name-label">Collider</span>
 <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span></div>
 <div class="block">abstract base class for all Colliders to detect collisions between GameObjects</div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- =========== FIELD SUMMARY =========== -->
 <li>
 <section class="field-summary" id="field-summary">
 <h2>Field Summary</h2>
 <div class="caption"><span>Fields</span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Field</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
 <div class="col-second even-row-color"><code><a href="#id" class="member-name-link">id</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">unique internal name for Collider</div>
 </div>
 </div>
 </section>
 </li>
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(java.lang.String,gameobjects.GameObject)" class="member-name-link">Collider</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;o)</code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab3" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab3', 3)" class="table-tab">Abstract Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>abstract boolean</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#collidesWith(collider.Collider)" class="member-name-link">collidesWith</a><wbr>(<a href="Collider.html" title="class in collider">Collider</a>&nbsp;other)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">checks the collission with another collider instance.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getId()" class="member-name-link">getId</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">returns the internal unique name</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>double</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getX()" class="member-name-link">getX</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">returns the corresponding game objects X coordinate (center) plus this colliders offset in X
 (probably zero).</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>double</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getY()" class="member-name-link">getY</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">returns the corresponding game objects Y coordinate (center) plus this colliders offset in Y
 (probably zero).</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setController(controller.ObjectController)" class="member-name-link">setController</a><wbr>(<a href="../controller/ObjectController.html" title="class in controller">ObjectController</a>&nbsp;controller)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">setter for GameController</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setObject(gameobjects.GameObject)" class="member-name-link">setObject</a><wbr>(<a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;gameObject)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">setter for corresponding GameObject</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="Collider.html" title="class in collider">Collider</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setOffsets(double,double)" class="member-name-link">setOffsets</a><wbr>(double&nbsp;dx,
 double&nbsp;dy)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">setter for offset values to be used relative to GameObject center. default is zero.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setPlayground(playground.Playground)" class="member-name-link">setPlayground</a><wbr>(<a href="../playground/Playground.html" title="class in playground">Playground</a>&nbsp;playground)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">setter for Playground instance this collider belongs to</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#toString()" class="member-name-link">toString</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ============ FIELD DETAIL =========== -->
 <li>
 <section class="field-details" id="field-detail">
 <h2>Field Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="id">
 <h3>id</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">id</span></div>
 <div class="block">unique internal name for Collider</div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;(java.lang.String,gameobjects.GameObject)">
 <h3>Collider</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">Collider</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;o)</span></div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>id</code> - unique name for Collider (internally)</dd>
 <dd><code>o</code> - GameObject instance it belongs to</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="setOffsets(double,double)">
 <h3>setOffsets</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="Collider.html" title="class in collider">Collider</a></span>&nbsp;<span class="element-name">setOffsets</span><wbr><span class="parameters">(double&nbsp;dx,
 double&nbsp;dy)</span></div>
 <div class="block">setter for offset values to be used relative to GameObject center. default is zero.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>dx</code> - offset in X direction (default 0)</dd>
 <dd><code>dy</code> - offset in Y direction (default 0)</dd>
 <dt>Returns:</dt>
 <dd>this instance of Collider</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="toString()">
 <h3>toString</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">toString</span>()</div>
 <dl class="notes">
 <dt>Overrides:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getX()">
 <h3>getX</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">getX</span>()</div>
 <div class="block">returns the corresponding game objects X coordinate (center) plus this colliders offset in X
 (probably zero).</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>X value</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getY()">
 <h3>getY</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">getY</span>()</div>
 <div class="block">returns the corresponding game objects Y coordinate (center) plus this colliders offset in Y
 (probably zero).</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>Y value</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getId()">
 <h3>getId</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">getId</span>()</div>
 <div class="block">returns the internal unique name</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>the String with the name</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="setObject(gameobjects.GameObject)">
 <h3>setObject</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setObject</span><wbr><span class="parameters">(<a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;gameObject)</span></div>
 <div class="block">setter for corresponding GameObject</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>gameObject</code> - to be saved in attribute</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="setController(controller.ObjectController)">
 <h3>setController</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setController</span><wbr><span class="parameters">(<a href="../controller/ObjectController.html" title="class in controller">ObjectController</a>&nbsp;controller)</span></div>
 <div class="block">setter for GameController</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>controller</code> - to be saved in attribute</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="setPlayground(playground.Playground)">
 <h3>setPlayground</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setPlayground</span><wbr><span class="parameters">(<a href="../playground/Playground.html" title="class in playground">Playground</a>&nbsp;playground)</span></div>
 <div class="block">setter for Playground instance this collider belongs to</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>playground</code> - instance to be stored in attribute</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="collidesWith(collider.Collider)">
 <h3>collidesWith</h3>
 <div class="member-signature"><span class="modifiers">public abstract</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">collidesWith</span><wbr><span class="parameters">(<a href="Collider.html" title="class in collider">Collider</a>&nbsp;other)</span></div>
 <div class="block">checks the collission with another collider instance.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>other</code> - the instance to compare to</dd>
 <dt>Returns:</dt>
 <dd>true if the colliders collide (touch or overlap)</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
 <!-- ========= END OF CLASS DATA ========= -->
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/collider/RectCollider.html
+++ b/doc/collider/RectCollider.html
@ -0,0 +1,260 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>RectCollider</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
 <meta name="description" content="declaration: package: collider, class: RectCollider">
 <meta name="generator" content="javadoc/ClassWriterImpl">
 <link rel="stylesheet" type="text/css" href="../stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../script-dir/jquery-ui.min.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../jquery-ui.overrides.css" title="Style">
 <script type="text/javascript" src="../script.js"></script>
 <script type="text/javascript" src="../script-dir/jquery-3.5.1.min.js"></script>
 <script type="text/javascript" src="../script-dir/jquery-ui.min.js"></script>
 </head>
 <body class="class-declaration-page">
 <script type="text/javascript">var evenRowColor = "even-row-color";
 var oddRowColor = "odd-row-color";
 var tableTab = "table-tab";
 var activeTableTab = "active-table-tab";
 var pathtoroot = "../";
 loadScripts(document, 'script');</script>
 <noscript>
 <div>JavaScript is disabled on your browser.</div>
 </noscript>
 <div class="flex-box">
 <header role="banner" class="flex-header">
 <nav role="navigation">
 <!-- ========= START OF TOP NAVBAR ======= -->
 <div class="top-nav" id="navbar-top">
 <div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div>
 <ul id="navbar-top-firstrow" class="nav-list" title="Navigation">
 <li><a href="../index.html">Overview</a></li>
 <li><a href="package-summary.html">Package</a></li>
 <li class="nav-bar-cell1-rev">Class</li>
 <li><a href="class-use/RectCollider.html">Use</a></li>
 <li><a href="package-tree.html">Tree</a></li>
 <li><a href="../index-files/index-1.html">Index</a></li>
 <li><a href="../help-doc.html#class">Help</a></li>
 </ul>
 </div>
 <div class="sub-nav">
 <div>
 <ul class="sub-nav-list">
 <li>Summary:&nbsp;</li>
 <li>Nested&nbsp;|&nbsp;</li>
 <li><a href="#field-summary">Field</a>&nbsp;|&nbsp;</li>
 <li><a href="#constructor-summary">Constr</a>&nbsp;|&nbsp;</li>
 <li><a href="#method-summary">Method</a></li>
 </ul>
 <ul class="sub-nav-list">
 <li>Detail:&nbsp;</li>
 <li>Field&nbsp;|&nbsp;</li>
 <li><a href="#constructor-detail">Constr</a>&nbsp;|&nbsp;</li>
 <li><a href="#method-detail">Method</a></li>
 </ul>
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 <div class="nav-list-search"><label for="search-input">SEARCH:</label>
 <input type="text" id="search-input" value="search" disabled="disabled">
 <input type="reset" id="reset-button" value="reset" disabled="disabled">
 </div>
 </div>
 <!-- ========= END OF TOP NAVBAR ========= -->
 <span class="skip-nav" id="skip-navbar-top"></span></nav>
 </header>
 <div class="flex-content">
 <main role="main">
 <!-- ======== START OF CLASS DATA ======== -->
 <div class="header">
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">collider</a></div>
 <h1 title="Class RectCollider" class="title">Class RectCollider</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance"><a href="Collider.html" title="class in collider">collider.Collider</a>
 <div class="inheritance">collider.RectCollider</div>
 </div>
 </div>
 <section class="class-description" id="class-description">
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">RectCollider</span>
 <span class="extends-implements">extends <a href="Collider.html" title="class in collider">Collider</a></span></div>
 <div class="block">a <a href="Collider.html" title="class in collider"><code>Collider</code></a> for Rectangles, usually used for <a href="../gameobjects/RectObject.html" title="class in gameobjects"><code>RectObject</code></a> instances.</div>
 <dl class="notes">
 <dt>See Also:</dt>
 <dd>
 <ul class="see-list">
 <li><a href="../gameobjects/RectObject.html#generateColliders()"><code>RectObject.generateColliders()</code></a></li>
 </ul>
 </dd>
 </dl>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- =========== FIELD SUMMARY =========== -->
 <li>
 <section class="field-summary" id="field-summary">
 <h2>Field Summary</h2>
 <div class="inherited-list">
 <h3 id="fields-inherited-from-class-collider.Collider">Fields inherited from class&nbsp;collider.<a href="Collider.html" title="class in collider">Collider</a></h3>
 <code><a href="Collider.html#id">id</a></code></div>
 </section>
 </li>
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(java.lang.String,gameobjects.GameObject,double,double)" class="member-name-link">RectCollider</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;o,
 double&nbsp;w,
 double&nbsp;h)</code></div>
 <div class="col-last even-row-color">
 <div class="block">initializes this RectCollider.</div>
 </div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#checkCollisionRectCirc(collider.Collider)" class="member-name-link">checkCollisionRectCirc</a><wbr>(<a href="Collider.html" title="class in collider">Collider</a>&nbsp;other)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">checks collision with other Collider, which needs to be a CircleCollider</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#checkCollisionRectRect(collider.Collider)" class="member-name-link">checkCollisionRectRect</a><wbr>(<a href="Collider.html" title="class in collider">Collider</a>&nbsp;other)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">checks collision with other Collider, which needs to be a RectCollider, too.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#collidesWith(collider.Collider)" class="member-name-link">collidesWith</a><wbr>(<a href="Collider.html" title="class in collider">Collider</a>&nbsp;other)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">checks the collission with another collider instance.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#toString()" class="member-name-link">toString</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-collider.Collider">Methods inherited from class&nbsp;collider.<a href="Collider.html" title="class in collider">Collider</a></h3>
 <code><a href="Collider.html#getId()">getId</a>, <a href="Collider.html#getX()">getX</a>, <a href="Collider.html#getY()">getY</a>, <a href="Collider.html#setController(controller.ObjectController)">setController</a>, <a href="Collider.html#setObject(gameobjects.GameObject)">setObject</a>, <a href="Collider.html#setOffsets(double,double)">setOffsets</a>, <a href="Collider.html#setPlayground(playground.Playground)">setPlayground</a></code></div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;(java.lang.String,gameobjects.GameObject,double,double)">
 <h3>RectCollider</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">RectCollider</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;o,
 double&nbsp;w,
 double&nbsp;h)</span></div>
 <div class="block">initializes this RectCollider.
 calls superclass constructor of <a href="Collider.html#%3Cinit%3E(java.lang.String,gameobjects.GameObject)"><code>Collider(String, GameObject)</code></a> with params String id and GameObject o.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>id</code> - String unique name for this RectCollider</dd>
 <dd><code>o</code> - GameObject instance this RectCollider belongs to (cannot be null)</dd>
 <dd><code>w</code> - width in pixels for the collider dimensions (> 0)</dd>
 <dd><code>h</code> - height in pixels for the collider dimensions (>0)</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="toString()">
 <h3>toString</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">toString</span>()</div>
 <dl class="notes">
 <dt>Overrides:</dt>
 <dd><code><a href="Collider.html#toString()">toString</a></code>&nbsp;in class&nbsp;<code><a href="Collider.html" title="class in collider">Collider</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="checkCollisionRectRect(collider.Collider)">
 <h3>checkCollisionRectRect</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">checkCollisionRectRect</span><wbr><span class="parameters">(<a href="Collider.html" title="class in collider">Collider</a>&nbsp;other)</span></div>
 <div class="block">checks collision with other Collider, which needs to be a RectCollider, too.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>other</code> - RectCollider (is casted) to calculate collision with</dd>
 <dt>Returns:</dt>
 <dd>true if collission is detected</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="checkCollisionRectCirc(collider.Collider)">
 <h3>checkCollisionRectCirc</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">checkCollisionRectCirc</span><wbr><span class="parameters">(<a href="Collider.html" title="class in collider">Collider</a>&nbsp;other)</span></div>
 <div class="block">checks collision with other Collider, which needs to be a CircleCollider</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>other</code> - CircleCollider (is casted) to calculate collision with</dd>
 <dt>Returns:</dt>
 <dd>true if collission is detected</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="collidesWith(collider.Collider)">
 <h3>collidesWith</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">collidesWith</span><wbr><span class="parameters">(<a href="Collider.html" title="class in collider">Collider</a>&nbsp;other)</span></div>
 <div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="Collider.html#collidesWith(collider.Collider)">Collider</a></code></span></div>
 <div class="block">checks the collission with another collider instance.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="Collider.html#collidesWith(collider.Collider)">collidesWith</a></code>&nbsp;in class&nbsp;<code><a href="Collider.html" title="class in collider">Collider</a></code></dd>
 <dt>Parameters:</dt>
 <dd><code>other</code> - the instance to compare to</dd>
 <dt>Returns:</dt>
 <dd>true if the colliders collide (touch or overlap)</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
 <!-- ========= END OF CLASS DATA ========= -->
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/collider/class-use/CircleCollider.html
+++ b/doc/collider/class-use/CircleCollider.html
@ -0,0 +1,58 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>Uses of Class collider.CircleCollider</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
 <meta name="description" content="use: package: collider, class: CircleCollider">
 <meta name="generator" content="javadoc/ClassUseWriter">
 <link rel="stylesheet" type="text/css" href="../../stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../script-dir/jquery-ui.min.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../jquery-ui.overrides.css" title="Style">
 <script type="text/javascript" src="../../script.js"></script>
 <script type="text/javascript" src="../../script-dir/jquery-3.5.1.min.js"></script>
 <script type="text/javascript" src="../../script-dir/jquery-ui.min.js"></script>
 </head>
 <body class="class-use-page">
 <script type="text/javascript">var pathtoroot = "../../";
 loadScripts(document, 'script');</script>
 <noscript>
 <div>JavaScript is disabled on your browser.</div>
 </noscript>
 <div class="flex-box">
 <header role="banner" class="flex-header">
 <nav role="navigation">
 <!-- ========= START OF TOP NAVBAR ======= -->
 <div class="top-nav" id="navbar-top">
 <div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div>
 <ul id="navbar-top-firstrow" class="nav-list" title="Navigation">
 <li><a href="../../index.html">Overview</a></li>
 <li><a href="../package-summary.html">Package</a></li>
 <li><a href="../CircleCollider.html" title="class in collider">Class</a></li>
 <li class="nav-bar-cell1-rev">Use</li>
 <li><a href="../package-tree.html">Tree</a></li>
 <li><a href="../../index-files/index-1.html">Index</a></li>
 <li><a href="../../help-doc.html#use">Help</a></li>
 </ul>
 </div>
 <div class="sub-nav">
 <div class="nav-list-search"><label for="search-input">SEARCH:</label>
 <input type="text" id="search-input" value="search" disabled="disabled">
 <input type="reset" id="reset-button" value="reset" disabled="disabled">
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 <span class="skip-nav" id="skip-navbar-top"></span></nav>
 </header>
 <div class="flex-content">
 <main role="main">
 <div class="header">
 <h1 title="Uses of Class collider.CircleCollider" class="title">Uses of Class<br>collider.CircleCollider</h1>
 </div>
 No usage of collider.CircleCollider</main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/collider/class-use/Collider.html
+++ b/doc/collider/class-use/Collider.html
@ -0,0 +1,172 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>Uses of Class collider.Collider</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
 <meta name="description" content="use: package: collider, class: Collider">
 <meta name="generator" content="javadoc/ClassUseWriter">
 <link rel="stylesheet" type="text/css" href="../../stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../script-dir/jquery-ui.min.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../jquery-ui.overrides.css" title="Style">
 <script type="text/javascript" src="../../script.js"></script>
 <script type="text/javascript" src="../../script-dir/jquery-3.5.1.min.js"></script>
 <script type="text/javascript" src="../../script-dir/jquery-ui.min.js"></script>
 </head>
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 <script type="text/javascript">var pathtoroot = "../../";
 loadScripts(document, 'script');</script>
 <noscript>
 <div>JavaScript is disabled on your browser.</div>
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 <nav role="navigation">
 <!-- ========= START OF TOP NAVBAR ======= -->
 <div class="top-nav" id="navbar-top">
 <div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div>
 <ul id="navbar-top-firstrow" class="nav-list" title="Navigation">
 <li><a href="../../index.html">Overview</a></li>
 <li><a href="../package-summary.html">Package</a></li>
 <li><a href="../Collider.html" title="class in collider">Class</a></li>
 <li class="nav-bar-cell1-rev">Use</li>
 <li><a href="../package-tree.html">Tree</a></li>
 <li><a href="../../index-files/index-1.html">Index</a></li>
 <li><a href="../../help-doc.html#use">Help</a></li>
 </ul>
 </div>
 <div class="sub-nav">
 <div class="nav-list-search"><label for="search-input">SEARCH:</label>
 <input type="text" id="search-input" value="search" disabled="disabled">
 <input type="reset" id="reset-button" value="reset" disabled="disabled">
 </div>
 </div>
 <!-- ========= END OF TOP NAVBAR ========= -->
 <span class="skip-nav" id="skip-navbar-top"></span></nav>
 </header>
 <div class="flex-content">
 <main role="main">
 <div class="header">
 <h1 title="Uses of Class collider.Collider" class="title">Uses of Class<br>collider.Collider</h1>
 </div>
 <div class="caption"><span>Packages that use <a href="../Collider.html" title="class in collider">Collider</a></span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Package</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><a href="#collider">collider</a></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><a href="#gameobjects">gameobjects</a></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 </div>
 <section class="class-uses">
 <ul class="block-list">
 <li>
 <section class="detail" id="collider">
 <h2>Uses of <a href="../Collider.html" title="class in collider">Collider</a> in <a href="../package-summary.html">collider</a></h2>
 <div class="caption"><span>Subclasses of <a href="../Collider.html" title="class in collider">Collider</a> in <a href="../package-summary.html">collider</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Class</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>class&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="../CircleCollider.html" class="type-name-link" title="class in collider">CircleCollider</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">Collider for round objects</div>
 </div>
 <div class="col-first odd-row-color"><code>class&nbsp;</code></div>
 <div class="col-second odd-row-color"><code><a href="../RectCollider.html" class="type-name-link" title="class in collider">RectCollider</a></code></div>
 <div class="col-last odd-row-color">
 <div class="block">a <a href="../Collider.html" title="class in collider"><code>Collider</code></a> for Rectangles, usually used for <a href="../../gameobjects/RectObject.html" title="class in gameobjects"><code>RectObject</code></a> instances.</div>
 </div>
 </div>
 <div class="caption"><span>Methods in <a href="../package-summary.html">collider</a> that return <a href="../Collider.html" title="class in collider">Collider</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code><a href="../Collider.html" title="class in collider">Collider</a></code></div>
 <div class="col-second even-row-color"><span class="type-name-label">Collider.</span><code><a href="../Collider.html#setOffsets(double,double)" class="member-name-link">setOffsets</a><wbr>(double&nbsp;dx,
 double&nbsp;dy)</code></div>
 <div class="col-last even-row-color">
 <div class="block">setter for offset values to be used relative to GameObject center. default is zero.</div>
 </div>
 </div>
 <div class="caption"><span>Methods in <a href="../package-summary.html">collider</a> with parameters of type <a href="../Collider.html" title="class in collider">Collider</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>boolean</code></div>
 <div class="col-second even-row-color"><span class="type-name-label">CircleCollider.</span><code><a href="../CircleCollider.html#checkCollisionCircCirc(collider.Collider)" class="member-name-link">checkCollisionCircCirc</a><wbr>(<a href="../Collider.html" title="class in collider">Collider</a>&nbsp;_c2)</code></div>
 <div class="col-last even-row-color">
 <div class="block">calculates the collission of this with other collider</div>
 </div>
 <div class="col-first odd-row-color"><code>boolean</code></div>
 <div class="col-second odd-row-color"><span class="type-name-label">RectCollider.</span><code><a href="../RectCollider.html#checkCollisionRectCirc(collider.Collider)" class="member-name-link">checkCollisionRectCirc</a><wbr>(<a href="../Collider.html" title="class in collider">Collider</a>&nbsp;other)</code></div>
 <div class="col-last odd-row-color">
 <div class="block">checks collision with other Collider, which needs to be a CircleCollider</div>
 </div>
 <div class="col-first even-row-color"><code>boolean</code></div>
 <div class="col-second even-row-color"><span class="type-name-label">RectCollider.</span><code><a href="../RectCollider.html#checkCollisionRectRect(collider.Collider)" class="member-name-link">checkCollisionRectRect</a><wbr>(<a href="../Collider.html" title="class in collider">Collider</a>&nbsp;other)</code></div>
 <div class="col-last even-row-color">
 <div class="block">checks collision with other Collider, which needs to be a RectCollider, too.</div>
 </div>
 <div class="col-first odd-row-color"><code>boolean</code></div>
 <div class="col-second odd-row-color"><span class="type-name-label">CircleCollider.</span><code><a href="../CircleCollider.html#collidesWith(collider.Collider)" class="member-name-link">collidesWith</a><wbr>(<a href="../Collider.html" title="class in collider">Collider</a>&nbsp;other)</code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 <div class="col-first even-row-color"><code>abstract boolean</code></div>
 <div class="col-second even-row-color"><span class="type-name-label">Collider.</span><code><a href="../Collider.html#collidesWith(collider.Collider)" class="member-name-link">collidesWith</a><wbr>(<a href="../Collider.html" title="class in collider">Collider</a>&nbsp;other)</code></div>
 <div class="col-last even-row-color">
 <div class="block">checks the collission with another collider instance.</div>
 </div>
 <div class="col-first odd-row-color"><code>boolean</code></div>
 <div class="col-second odd-row-color"><span class="type-name-label">RectCollider.</span><code><a href="../RectCollider.html#collidesWith(collider.Collider)" class="member-name-link">collidesWith</a><wbr>(<a href="../Collider.html" title="class in collider">Collider</a>&nbsp;other)</code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 </div>
 </section>
 </li>
 <li>
 <section class="detail" id="gameobjects">
 <h2>Uses of <a href="../Collider.html" title="class in collider">Collider</a> in <a href="../../gameobjects/package-summary.html">gameobjects</a></h2>
 <div class="caption"><span>Fields in <a href="../../gameobjects/package-summary.html">gameobjects</a> with type parameters of type <a href="../Collider.html" title="class in collider">Collider</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Field</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/util/LinkedList.html" title="class or interface in java.util" class="external-link">LinkedList</a>&lt;<a href="../Collider.html" title="class in collider">Collider</a>&gt;</code></div>
 <div class="col-second even-row-color"><span class="type-name-label">GameObject.</span><code><a href="../../gameobjects/GameObject.html#scol" class="member-name-link">scol</a></code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
 <div class="caption"><span>Methods in <a href="../../gameobjects/package-summary.html">gameobjects</a> with parameters of type <a href="../Collider.html" title="class in collider">Collider</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>void</code></div>
 <div class="col-second even-row-color"><span class="type-name-label">GameObject.</span><code><a href="../../gameobjects/GameObject.html#addCollider(collider.Collider)" class="member-name-link">addCollider</a><wbr>(<a href="../Collider.html" title="class in collider">Collider</a>&nbsp;c)</code></div>
 <div class="col-last even-row-color">
 <div class="block">saves the collider in the internal list of Colliders to be used for this GameObject.</div>
 </div>
 </div>
 <div class="caption"><span>Method parameters in <a href="../../gameobjects/package-summary.html">gameobjects</a> with type arguments of type <a href="../Collider.html" title="class in collider">Collider</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>void</code></div>
 <div class="col-second even-row-color"><span class="type-name-label">GameObject.</span><code><a href="../../gameobjects/GameObject.html#setColliders(java.util.LinkedList)" class="member-name-link">setColliders</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/util/LinkedList.html" title="class or interface in java.util" class="external-link">LinkedList</a>&lt;<a href="../Collider.html" title="class in collider">Collider</a>&gt;&nbsp;l)</code></div>
 <div class="col-last even-row-color">
 <div class="block">sets colliders.</div>
 </div>
 </div>
 </section>
 </li>
 </ul>
 </section>
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/collider/class-use/RectCollider.html
+++ b/doc/collider/class-use/RectCollider.html
@ -0,0 +1,58 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>Uses of Class collider.RectCollider</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
 <meta name="description" content="use: package: collider, class: RectCollider">
 <meta name="generator" content="javadoc/ClassUseWriter">
 <link rel="stylesheet" type="text/css" href="../../stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../script-dir/jquery-ui.min.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../jquery-ui.overrides.css" title="Style">
 <script type="text/javascript" src="../../script.js"></script>
 <script type="text/javascript" src="../../script-dir/jquery-3.5.1.min.js"></script>
 <script type="text/javascript" src="../../script-dir/jquery-ui.min.js"></script>
 </head>
 <body class="class-use-page">
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 <li><a href="../package-summary.html">Package</a></li>
 <li><a href="../RectCollider.html" title="class in collider">Class</a></li>
 <li class="nav-bar-cell1-rev">Use</li>
 <li><a href="../package-tree.html">Tree</a></li>
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 <div class="header">
 <h1 title="Uses of Class collider.RectCollider" class="title">Uses of Class<br>collider.RectCollider</h1>
 </div>
 No usage of collider.RectCollider</main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/collider/package-summary.html
+++ b/doc/collider/package-summary.html
@ -0,0 +1,93 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>collider</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
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 <li><a href="../index.html">Overview</a></li>
 <li class="nav-bar-cell1-rev">Package</li>
 <li>Class</li>
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 </header>
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 <main role="main">
 <div class="header">
 <h1 title="Package collider" class="title">Package collider</h1>
 </div>
 <hr>
 <div class="package-signature">package <span class="element-name">collider</span></div>
 <section class="summary">
 <ul class="summary-list">
 <li>
 <div id="class-summary">
 <div class="caption"><span>Classes</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Class</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color class-summary class-summary-tab2"><a href="CircleCollider.html" title="class in collider">CircleCollider</a></div>
 <div class="col-last even-row-color class-summary class-summary-tab2">
 <div class="block">Collider for round objects</div>
 </div>
 <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="Collider.html" title="class in collider">Collider</a></div>
 <div class="col-last odd-row-color class-summary class-summary-tab2">
 <div class="block">abstract base class for all Colliders to detect collisions between GameObjects</div>
 </div>
 <div class="col-first even-row-color class-summary class-summary-tab2"><a href="RectCollider.html" title="class in collider">RectCollider</a></div>
 <div class="col-last even-row-color class-summary class-summary-tab2">
 <div class="block">a <a href="Collider.html" title="class in collider"><code>Collider</code></a> for Rectangles, usually used for <a href="../gameobjects/RectObject.html" title="class in gameobjects"><code>RectObject</code></a> instances.</div>
 </div>
 </div>
 </div>
 </li>
 </ul>
 </section>
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/collider/package-tree.html
+++ b/doc/collider/package-tree.html
@ -0,0 +1,77 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>collider Class Hierarchy</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
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 <li>Class</li>
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 <h1 class="title">Hierarchy For Package collider</h1>
 <span class="package-hierarchy-label">Package Hierarchies:</span>
 <ul class="horizontal">
 <li><a href="../overview-tree.html">All Packages</a></li>
 </ul>
 </div>
 <section class="hierarchy">
 <h2 title="Class Hierarchy">Class Hierarchy</h2>
 <ul>
 <li class="circle">java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" class="type-name-link external-link" title="class or interface in java.lang">Object</a>
 <ul>
 <li class="circle">collider.<a href="Collider.html" class="type-name-link" title="class in collider">Collider</a>
 <ul>
 <li class="circle">collider.<a href="CircleCollider.html" class="type-name-link" title="class in collider">CircleCollider</a></li>
 <li class="circle">collider.<a href="RectCollider.html" class="type-name-link" title="class in collider">RectCollider</a></li>
 </ul>
 </li>
 </ul>
 </li>
 </ul>
 </section>
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/collider/package-use.html
+++ b/doc/collider/package-use.html
@ -0,0 +1,97 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>Uses of Package collider</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
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 <meta name="dc.created" content="2022-05-12">
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 <div class="header">
 <h1 title="Uses of Package collider" class="title">Uses of Package<br>collider</h1>
 </div>
 <div class="caption"><span>Packages that use <a href="package-summary.html">collider</a></span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Package</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><a href="#collider">collider</a></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><a href="#gameobjects">gameobjects</a></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 </div>
 <section class="package-uses">
 <ul class="block-list">
 <li>
 <section class="detail" id="collider">
 <div class="caption"><span>Classes in <a href="package-summary.html">collider</a> used by <a href="package-summary.html">collider</a></span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Class</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><a href="class-use/Collider.html#collider">Collider</a></div>
 <div class="col-last even-row-color">
 <div class="block">abstract base class for all Colliders to detect collisions between GameObjects</div>
 </div>
 </div>
 </section>
 </li>
 <li>
 <section class="detail" id="gameobjects">
 <div class="caption"><span>Classes in <a href="package-summary.html">collider</a> used by <a href="../gameobjects/package-summary.html">gameobjects</a></span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Class</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><a href="class-use/Collider.html#gameobjects">Collider</a></div>
 <div class="col-last even-row-color">
 <div class="block">abstract base class for all Colliders to detect collisions between GameObjects</div>
 </div>
 </div>
 </section>
 </li>
 </ul>
 </section>
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/constant-values.html
+++ b/doc/constant-values.html
@ -0,0 +1,183 @@
 <!DOCTYPE HTML>
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 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
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 <div class="header">
 <h1 title="Constant Field Values" class="title">Constant Field Values</h1>
 <section class="packages">
 <h2 title="Contents">Contents</h2>
 <ul>
 <li><a href="#gameobjects">gameobjects.*</a></li>
 <li><a href="#playground">playground.*</a></li>
 <li><a href="#ui">ui.*</a></li>
 </ul>
 </section>
 </div>
 <section class="constants-summary" id="gameobjects">
 <h2 title="gameobjects">gameobjects.*</h2>
 <ul class="block-list">
 <li>
 <div class="caption"><span>gameobjects.<a href="gameobjects/GameObject.html" title="class in gameobjects">GameObject</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Constant Field</div>
 <div class="table-header col-last">Value</div>
 <div class="col-first even-row-color"><code id="gameobjects.GameObject.MASK">public&nbsp;static&nbsp;final&nbsp;int</code></div>
 <div class="col-second even-row-color"><code><a href="gameobjects/GameObject.html#MASK">MASK</a></code></div>
 <div class="col-last even-row-color"><code>2</code></div>
 <div class="col-first odd-row-color"><code id="gameobjects.GameObject.RADIUS">public&nbsp;static&nbsp;final&nbsp;int</code></div>
 <div class="col-second odd-row-color"><code><a href="gameobjects/GameObject.html#RADIUS">RADIUS</a></code></div>
 <div class="col-last odd-row-color"><code>0</code></div>
 <div class="col-first even-row-color"><code id="gameobjects.GameObject.RECTANGLE">public&nbsp;static&nbsp;final&nbsp;int</code></div>
 <div class="col-second even-row-color"><code><a href="gameobjects/GameObject.html#RECTANGLE">RECTANGLE</a></code></div>
 <div class="col-last even-row-color"><code>1</code></div>
 </div>
 </li>
 </ul>
 </section>
 <section class="constants-summary" id="playground">
 <h2 title="playground">playground.*</h2>
 <ul class="block-list">
 <li>
 <div class="caption"><span>playground.<a href="playground/Level4.html" title="class in playground">Level4</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Constant Field</div>
 <div class="table-header col-last">Value</div>
 <div class="col-first even-row-color"><code id="playground.Level4.MAX_HITS">public&nbsp;static&nbsp;final&nbsp;int</code></div>
 <div class="col-second even-row-color"><code><a href="playground/Level4.html#MAX_HITS">MAX_HITS</a></code></div>
 <div class="col-last even-row-color"><code>2</code></div>
 </div>
 </li>
 <li>
 <div class="caption"><span>playground.<a href="playground/LevelHitTwice.html" title="class in playground">LevelHitTwice</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Constant Field</div>
 <div class="table-header col-last">Value</div>
 <div class="col-first even-row-color"><code id="playground.LevelHitTwice.MAX_HITS">public&nbsp;static&nbsp;final&nbsp;int</code></div>
 <div class="col-second even-row-color"><code><a href="playground/LevelHitTwice.html#MAX_HITS">MAX_HITS</a></code></div>
 <div class="col-last even-row-color"><code>2</code></div>
 </div>
 </li>
 <li>
 <div class="caption"><span>playground.<a href="playground/Playground.html" title="class in playground">Playground</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Constant Field</div>
 <div class="table-header col-last">Value</div>
 <div class="col-first even-row-color"><code id="playground.Playground.FLAGS_ALL">public&nbsp;static&nbsp;final&nbsp;int</code></div>
 <div class="col-second even-row-color"><code><a href="playground/Playground.html#FLAGS_ALL">FLAGS_ALL</a></code></div>
 <div class="col-last even-row-color"><code>3</code></div>
 <div class="col-first odd-row-color"><code id="playground.Playground.FLAGS_GLOBAL">public&nbsp;static&nbsp;final&nbsp;int</code></div>
 <div class="col-second odd-row-color"><code><a href="playground/Playground.html#FLAGS_GLOBAL">FLAGS_GLOBAL</a></code></div>
 <div class="col-last odd-row-color"><code>1</code></div>
 <div class="col-first even-row-color"><code id="playground.Playground.FLAGS_LEVEL">public&nbsp;static&nbsp;final&nbsp;int</code></div>
 <div class="col-second even-row-color"><code><a href="playground/Playground.html#FLAGS_LEVEL">FLAGS_LEVEL</a></code></div>
 <div class="col-last even-row-color"><code>2</code></div>
 </div>
 </li>
 <li>
 <div class="caption"><span>playground.<a href="playground/SpaceInvadersLevel.html" title="class in playground">SpaceInvadersLevel</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Constant Field</div>
 <div class="table-header col-last">Value</div>
 <div class="col-first even-row-color"><code id="playground.SpaceInvadersLevel.EGOSPEED">public&nbsp;static&nbsp;final&nbsp;double</code></div>
 <div class="col-second even-row-color"><code><a href="playground/SpaceInvadersLevel.html#EGOSPEED">EGOSPEED</a></code></div>
 <div class="col-last even-row-color"><code>220.0</code></div>
 <div class="col-first odd-row-color"><code id="playground.SpaceInvadersLevel.SHOTSPEED">public&nbsp;static&nbsp;final&nbsp;double</code></div>
 <div class="col-second odd-row-color"><code><a href="playground/SpaceInvadersLevel.html#SHOTSPEED">SHOTSPEED</a></code></div>
 <div class="col-last odd-row-color"><code>175.0</code></div>
 </div>
 </li>
 </ul>
 </section>
 <section class="constants-summary" id="ui">
 <h2 title="ui">ui.*</h2>
 <ul class="block-list">
 <li>
 <div class="caption"><span>ui.<a href="ui/GameUI.html" title="class in ui">GameUI</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Constant Field</div>
 <div class="table-header col-last">Value</div>
 <div class="col-first even-row-color"><code id="ui.GameUI.ACTION_ABOUT">public&nbsp;static&nbsp;final&nbsp;int</code></div>
 <div class="col-second even-row-color"><code><a href="ui/GameUI.html#ACTION_ABOUT">ACTION_ABOUT</a></code></div>
 <div class="col-last even-row-color"><code>7</code></div>
 <div class="col-first odd-row-color"><code id="ui.GameUI.ACTION_BUTTON">public&nbsp;static&nbsp;final&nbsp;int</code></div>
 <div class="col-second odd-row-color"><code><a href="ui/GameUI.html#ACTION_BUTTON">ACTION_BUTTON</a></code></div>
 <div class="col-last odd-row-color"><code>6</code></div>
 <div class="col-first even-row-color"><code id="ui.GameUI.ACTION_LOAD">public&nbsp;static&nbsp;final&nbsp;int</code></div>
 <div class="col-second even-row-color"><code><a href="ui/GameUI.html#ACTION_LOAD">ACTION_LOAD</a></code></div>
 <div class="col-last even-row-color"><code>2</code></div>
 <div class="col-first odd-row-color"><code id="ui.GameUI.ACTION_NEW">public&nbsp;static&nbsp;final&nbsp;int</code></div>
 <div class="col-second odd-row-color"><code><a href="ui/GameUI.html#ACTION_NEW">ACTION_NEW</a></code></div>
 <div class="col-last odd-row-color"><code>1</code></div>
 <div class="col-first even-row-color"><code id="ui.GameUI.ACTION_PAUSE">public&nbsp;static&nbsp;final&nbsp;int</code></div>
 <div class="col-second even-row-color"><code><a href="ui/GameUI.html#ACTION_PAUSE">ACTION_PAUSE</a></code></div>
 <div class="col-last even-row-color"><code>6</code></div>
 <div class="col-first odd-row-color"><code id="ui.GameUI.ACTION_QUIT">public&nbsp;static&nbsp;final&nbsp;int</code></div>
 <div class="col-second odd-row-color"><code><a href="ui/GameUI.html#ACTION_QUIT">ACTION_QUIT</a></code></div>
 <div class="col-last odd-row-color"><code>5</code></div>
 <div class="col-first even-row-color"><code id="ui.GameUI.ACTION_RESET">public&nbsp;static&nbsp;final&nbsp;int</code></div>
 <div class="col-second even-row-color"><code><a href="ui/GameUI.html#ACTION_RESET">ACTION_RESET</a></code></div>
 <div class="col-last even-row-color"><code>4</code></div>
 <div class="col-first odd-row-color"><code id="ui.GameUI.ACTION_SAVE">public&nbsp;static&nbsp;final&nbsp;int</code></div>
 <div class="col-second odd-row-color"><code><a href="ui/GameUI.html#ACTION_SAVE">ACTION_SAVE</a></code></div>
 <div class="col-last odd-row-color"><code>3</code></div>
 </div>
 </li>
 </ul>
 </section>
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/controller/CollisionAwareEgoController.html
+++ b/doc/controller/CollisionAwareEgoController.html
@ -0,0 +1,240 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>CollisionAwareEgoController</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
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 <!-- ======== START OF CLASS DATA ======== -->
 <div class="header">
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">controller</a></div>
 <h1 title="Class CollisionAwareEgoController" class="title">Class CollisionAwareEgoController</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance"><a href="ObjectController.html" title="class in controller">controller.ObjectController</a>
 <div class="inheritance"><a href="EgoController.html" title="class in controller">controller.EgoController</a>
 <div class="inheritance">controller.CollisionAwareEgoController</div>
 </div>
 </div>
 </div>
 <section class="class-description" id="class-description">
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">CollisionAwareEgoController</span>
 <span class="extends-implements">extends <a href="EgoController.html" title="class in controller">EgoController</a></span></div>
 <div class="block">An EgoController which cannot move through obstacle objects (is collission aware). Only respects
 GameObjects that have the String 'obstacle' in their name.</div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(double)" class="member-name-link">CollisionAwareEgoController</a><wbr>(double&nbsp;egoRad)</code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-constructor-name odd-row-color"><code><a href="#%3Cinit%3E(double,java.io.File)" class="member-name-link">CollisionAwareEgoController</a><wbr>(double&nbsp;egoRad,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/io/File.html" title="class or interface in java.io" class="external-link">File</a>&nbsp;soundOnShot)</code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#onSpace(java.awt.event.KeyEvent,gameobjects.GameObject)" class="member-name-link">onSpace</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/event/KeyEvent.html" title="class or interface in java.awt.event" class="external-link">KeyEvent</a>&nbsp;e,
 <a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;ego)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">behavior for shooting on key space</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#restoreDynamicState()" class="member-name-link">restoreDynamicState</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#saveDynamicState()" class="member-name-link">saveDynamicState</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#stopObject()" class="member-name-link">stopObject</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">checks the position and respects level boundaries and own radius or width/height set on constructor.</div>
 </div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-controller.EgoController">Methods inherited from class&nbsp;controller.<a href="EgoController.html" title="class in controller">EgoController</a></h3>
 <code><a href="EgoController.html#onDown(java.awt.event.KeyEvent,gameobjects.GameObject)">onDown</a>, <a href="EgoController.html#onLeft(java.awt.event.KeyEvent,gameobjects.GameObject)">onLeft</a>, <a href="EgoController.html#onRight(java.awt.event.KeyEvent,gameobjects.GameObject)">onRight</a>, <a href="EgoController.html#onStop(java.awt.event.KeyEvent,gameobjects.GameObject)">onStop</a>, <a href="EgoController.html#onUp(java.awt.event.KeyEvent,gameobjects.GameObject)">onUp</a>, <a href="EgoController.html#updateObject()">updateObject</a></code></div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-controller.ObjectController">Methods inherited from class&nbsp;controller.<a href="ObjectController.html" title="class in controller">ObjectController</a></h3>
 <code><a href="ObjectController.html#applySpeedVector()">applySpeedVector</a>, <a href="ObjectController.html#getPlayground()">getPlayground</a>, <a href="ObjectController.html#getTimestep()">getTimestep</a>, <a href="ObjectController.html#getVX()">getVX</a>, <a href="ObjectController.html#getVY()">getVY</a>, <a href="ObjectController.html#getX()">getX</a>, <a href="ObjectController.html#getY()">getY</a>, <a href="ObjectController.html#setDummy(java.lang.String)">setDummy</a>, <a href="ObjectController.html#setObject(gameobjects.GameObject)">setObject</a>, <a href="ObjectController.html#setPlayground(playground.Playground)">setPlayground</a>, <a href="ObjectController.html#setVX(double)">setVX</a>, <a href="ObjectController.html#setVY(double)">setVY</a>, <a href="ObjectController.html#setX(double)">setX</a>, <a href="ObjectController.html#setY(double)">setY</a></code></div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;(double)">
 <h3>CollisionAwareEgoController</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">CollisionAwareEgoController</span><wbr><span class="parameters">(double&nbsp;egoRad)</span></div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>egoRad</code> - radius of ego object to be used.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="&lt;init&gt;(double,java.io.File)">
 <h3>CollisionAwareEgoController</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">CollisionAwareEgoController</span><wbr><span class="parameters">(double&nbsp;egoRad,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/io/File.html" title="class or interface in java.io" class="external-link">File</a>&nbsp;soundOnShot)</span></div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>egoRad</code> - radius of ego object to be used.</dd>
 <dd><code>soundOnShot</code> - WAV file to be played on shot</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="saveDynamicState()">
 <h3>saveDynamicState</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">saveDynamicState</span>()</div>
 </section>
 </li>
 <li>
 <section class="detail" id="restoreDynamicState()">
 <h3>restoreDynamicState</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">restoreDynamicState</span>()</div>
 </section>
 </li>
 <li>
 <section class="detail" id="stopObject()">
 <h3>stopObject</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">stopObject</span>()</div>
 <div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="EgoController.html#stopObject()">EgoController</a></code></span></div>
 <div class="block">checks the position and respects level boundaries and own radius or width/height set on constructor.</div>
 <dl class="notes">
 <dt>Overrides:</dt>
 <dd><code><a href="EgoController.html#stopObject()">stopObject</a></code>&nbsp;in class&nbsp;<code><a href="EgoController.html" title="class in controller">EgoController</a></code></dd>
 <dt>Returns:</dt>
 <dd>true if the object reached the boundaries of the level, false otherwise</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="onSpace(java.awt.event.KeyEvent,gameobjects.GameObject)">
 <h3>onSpace</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">onSpace</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/event/KeyEvent.html" title="class or interface in java.awt.event" class="external-link">KeyEvent</a>&nbsp;e,
 <a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;ego)</span></div>
 <div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="EgoController.html#onSpace(java.awt.event.KeyEvent,gameobjects.GameObject)">EgoController</a></code></span></div>
 <div class="block">behavior for shooting on key space</div>
 <dl class="notes">
 <dt>Overrides:</dt>
 <dd><code><a href="EgoController.html#onSpace(java.awt.event.KeyEvent,gameobjects.GameObject)">onSpace</a></code>&nbsp;in class&nbsp;<code><a href="EgoController.html" title="class in controller">EgoController</a></code></dd>
 <dt>Parameters:</dt>
 <dd><code>e</code> - KeyEvent of the space key</dd>
 <dd><code>ego</code> - EgoObject instance (used to determine position of shot object's start)</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
 <!-- ========= END OF CLASS DATA ========= -->
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/controller/EgoController.html
+++ b/doc/controller/EgoController.html
@ -0,0 +1,292 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>EgoController</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
 <meta name="description" content="declaration: package: controller, class: EgoController">
 <meta name="generator" content="javadoc/ClassWriterImpl">
 <link rel="stylesheet" type="text/css" href="../stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../script-dir/jquery-ui.min.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../jquery-ui.overrides.css" title="Style">
 <script type="text/javascript" src="../script.js"></script>
 <script type="text/javascript" src="../script-dir/jquery-3.5.1.min.js"></script>
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 </head>
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 <!-- ======== START OF CLASS DATA ======== -->
 <div class="header">
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">controller</a></div>
 <h1 title="Class EgoController" class="title">Class EgoController</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance"><a href="ObjectController.html" title="class in controller">controller.ObjectController</a>
 <div class="inheritance">controller.EgoController</div>
 </div>
 </div>
 <section class="class-description" id="class-description">
 <dl class="notes">
 <dt>Direct Known Subclasses:</dt>
 <dd><code><a href="CollisionAwareEgoController.html" title="class in controller">CollisionAwareEgoController</a></code></dd>
 </dl>
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">EgoController</span>
 <span class="extends-implements">extends <a href="ObjectController.html" title="class in controller">ObjectController</a></span></div>
 <div class="block">Controller using key events for up, down, left, right and space (shooting) to control the ego
 object behavior.</div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(double)" class="member-name-link">EgoController</a><wbr>(double&nbsp;egoRad)</code></div>
 <div class="col-last even-row-color">
 <div class="block">constructor that gives the ego controller a radius to stop the ego object when it reaches the level boundaries.</div>
 </div>
 <div class="col-constructor-name odd-row-color"><code><a href="#%3Cinit%3E(double,double)" class="member-name-link">EgoController</a><wbr>(double&nbsp;width,
 double&nbsp;height)</code></div>
 <div class="col-last odd-row-color">
 <div class="block">constructor that gives the ego controller a width and height to stop the ego object when it reaches the level boundaries.</div>
 </div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#onDown(java.awt.event.KeyEvent,gameobjects.GameObject)" class="member-name-link">onDown</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/event/KeyEvent.html" title="class or interface in java.awt.event" class="external-link">KeyEvent</a>&nbsp;kc,
 <a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;ego)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#onLeft(java.awt.event.KeyEvent,gameobjects.GameObject)" class="member-name-link">onLeft</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/event/KeyEvent.html" title="class or interface in java.awt.event" class="external-link">KeyEvent</a>&nbsp;kc,
 <a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;ego)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#onRight(java.awt.event.KeyEvent,gameobjects.GameObject)" class="member-name-link">onRight</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/event/KeyEvent.html" title="class or interface in java.awt.event" class="external-link">KeyEvent</a>&nbsp;kc,
 <a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;ego)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#onSpace(java.awt.event.KeyEvent,gameobjects.GameObject)" class="member-name-link">onSpace</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/event/KeyEvent.html" title="class or interface in java.awt.event" class="external-link">KeyEvent</a>&nbsp;e,
 <a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;ego)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">behavior for shooting on key space</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#onStop(java.awt.event.KeyEvent,gameobjects.GameObject)" class="member-name-link">onStop</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/event/KeyEvent.html" title="class or interface in java.awt.event" class="external-link">KeyEvent</a>&nbsp;kc,
 <a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;ego)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#onUp(java.awt.event.KeyEvent,gameobjects.GameObject)" class="member-name-link">onUp</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/event/KeyEvent.html" title="class or interface in java.awt.event" class="external-link">KeyEvent</a>&nbsp;kc,
 <a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;ego)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#stopObject()" class="member-name-link">stopObject</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">checks the position and respects level boundaries and own radius or width/height set on constructor.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#updateObject()" class="member-name-link">updateObject</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">updates position based on key events (mouse currently ignored)</div>
 </div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-controller.ObjectController">Methods inherited from class&nbsp;controller.<a href="ObjectController.html" title="class in controller">ObjectController</a></h3>
 <code><a href="ObjectController.html#applySpeedVector()">applySpeedVector</a>, <a href="ObjectController.html#getPlayground()">getPlayground</a>, <a href="ObjectController.html#getTimestep()">getTimestep</a>, <a href="ObjectController.html#getVX()">getVX</a>, <a href="ObjectController.html#getVY()">getVY</a>, <a href="ObjectController.html#getX()">getX</a>, <a href="ObjectController.html#getY()">getY</a>, <a href="ObjectController.html#setDummy(java.lang.String)">setDummy</a>, <a href="ObjectController.html#setObject(gameobjects.GameObject)">setObject</a>, <a href="ObjectController.html#setPlayground(playground.Playground)">setPlayground</a>, <a href="ObjectController.html#setVX(double)">setVX</a>, <a href="ObjectController.html#setVY(double)">setVY</a>, <a href="ObjectController.html#setX(double)">setX</a>, <a href="ObjectController.html#setY(double)">setY</a></code></div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;(double)">
 <h3>EgoController</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">EgoController</span><wbr><span class="parameters">(double&nbsp;egoRad)</span></div>
 <div class="block">constructor that gives the ego controller a radius to stop the ego object when it reaches the level boundaries.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>egoRad</code> - radius to use as a boundary stop for level borders (usually use the same dimensions as your ego object)</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="&lt;init&gt;(double,double)">
 <h3>EgoController</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">EgoController</span><wbr><span class="parameters">(double&nbsp;width,
 double&nbsp;height)</span></div>
 <div class="block">constructor that gives the ego controller a width and height to stop the ego object when it reaches the level boundaries.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>width</code> - width to use as a boundary stop for level borders (usually use the same dimensions as your ego object)</dd>
 <dd><code>height</code> - height to use as a boundary stop for level borders (usually use the same dimensions as your ego object)</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="onUp(java.awt.event.KeyEvent,gameobjects.GameObject)">
 <h3>onUp</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">onUp</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/event/KeyEvent.html" title="class or interface in java.awt.event" class="external-link">KeyEvent</a>&nbsp;kc,
 <a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;ego)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="onDown(java.awt.event.KeyEvent,gameobjects.GameObject)">
 <h3>onDown</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">onDown</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/event/KeyEvent.html" title="class or interface in java.awt.event" class="external-link">KeyEvent</a>&nbsp;kc,
 <a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;ego)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="onLeft(java.awt.event.KeyEvent,gameobjects.GameObject)">
 <h3>onLeft</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">onLeft</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/event/KeyEvent.html" title="class or interface in java.awt.event" class="external-link">KeyEvent</a>&nbsp;kc,
 <a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;ego)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="onRight(java.awt.event.KeyEvent,gameobjects.GameObject)">
 <h3>onRight</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">onRight</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/event/KeyEvent.html" title="class or interface in java.awt.event" class="external-link">KeyEvent</a>&nbsp;kc,
 <a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;ego)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="onStop(java.awt.event.KeyEvent,gameobjects.GameObject)">
 <h3>onStop</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">onStop</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/event/KeyEvent.html" title="class or interface in java.awt.event" class="external-link">KeyEvent</a>&nbsp;kc,
 <a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;ego)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="stopObject()">
 <h3>stopObject</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">stopObject</span>()</div>
 <div class="block">checks the position and respects level boundaries and own radius or width/height set on constructor.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>true if the object reached the boundaries of the level, false otherwise</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="onSpace(java.awt.event.KeyEvent,gameobjects.GameObject)">
 <h3>onSpace</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">onSpace</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/event/KeyEvent.html" title="class or interface in java.awt.event" class="external-link">KeyEvent</a>&nbsp;e,
 <a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;ego)</span></div>
 <div class="block">behavior for shooting on key space</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>e</code> - KeyEvent of the space key</dd>
 <dd><code>ego</code> - EgoObject instance (used to determine position of shot object's start)</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="updateObject()">
 <h3>updateObject</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">updateObject</span>()</div>
 <div class="block">updates position based on key events (mouse currently ignored)</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="ObjectController.html#updateObject()">updateObject</a></code>&nbsp;in class&nbsp;<code><a href="ObjectController.html" title="class in controller">ObjectController</a></code></dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
 <!-- ========= END OF CLASS DATA ========= -->
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/controller/EnemyController.html
+++ b/doc/controller/EnemyController.html
@ -0,0 +1,184 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>EnemyController</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
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 var oddRowColor = "odd-row-color";
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 loadScripts(document, 'script');</script>
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 <li><a href="package-summary.html">Package</a></li>
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 <li><a href="class-use/EnemyController.html">Use</a></li>
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 <!-- ======== START OF CLASS DATA ======== -->
 <div class="header">
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">controller</a></div>
 <h1 title="Class EnemyController" class="title">Class EnemyController</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance"><a href="ObjectController.html" title="class in controller">controller.ObjectController</a>
 <div class="inheritance">controller.EnemyController</div>
 </div>
 </div>
 <section class="class-description" id="class-description">
 <dl class="notes">
 <dt>Direct Known Subclasses:</dt>
 <dd><code><a href="ZickZackController.html" title="class in controller">ZickZackController</a></code></dd>
 </dl>
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">EnemyController</span>
 <span class="extends-implements">extends <a href="ObjectController.html" title="class in controller">ObjectController</a></span></div>
 <div class="block">This class controls the space invaders.</div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">EnemyController</a>()</code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#updateObject()" class="member-name-link">updateObject</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Is called once every game time step by the game itself.</div>
 </div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-controller.ObjectController">Methods inherited from class&nbsp;controller.<a href="ObjectController.html" title="class in controller">ObjectController</a></h3>
 <code><a href="ObjectController.html#applySpeedVector()">applySpeedVector</a>, <a href="ObjectController.html#getPlayground()">getPlayground</a>, <a href="ObjectController.html#getTimestep()">getTimestep</a>, <a href="ObjectController.html#getVX()">getVX</a>, <a href="ObjectController.html#getVY()">getVY</a>, <a href="ObjectController.html#getX()">getX</a>, <a href="ObjectController.html#getY()">getY</a>, <a href="ObjectController.html#setDummy(java.lang.String)">setDummy</a>, <a href="ObjectController.html#setObject(gameobjects.GameObject)">setObject</a>, <a href="ObjectController.html#setPlayground(playground.Playground)">setPlayground</a>, <a href="ObjectController.html#setVX(double)">setVX</a>, <a href="ObjectController.html#setVY(double)">setVY</a>, <a href="ObjectController.html#setX(double)">setX</a>, <a href="ObjectController.html#setY(double)">setY</a></code></div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;()">
 <h3>EnemyController</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">EnemyController</span>()</div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="updateObject()">
 <h3>updateObject</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">updateObject</span>()</div>
 <div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="ObjectController.html#updateObject()">ObjectController</a></code></span></div>
 <div class="block">Is called once every game time step by the game itself. NEVER call this directly, not
 necessary!<br>
 The method can do whatever it likes, including nothing. The attribute <code>ObjectController.gameObject</code>
 contains a reference to the controlled object, which allows access to the Playground the object
 belongs to (useful for getting the pixel size in x and y of the playing field.<br>
 <strong>Recommended:</strong> when implementing this method, call at the end
 <a href="ObjectController.html#applySpeedVector()"><code>ObjectController.applySpeedVector()</code></a> method. This is a helper method that sets the new x,y coordinates
 for the <code>ObjectController.gameObject</code> correctly.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="ObjectController.html#updateObject()">updateObject</a></code>&nbsp;in class&nbsp;<code><a href="ObjectController.html" title="class in controller">ObjectController</a></code></dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
 <!-- ========= END OF CLASS DATA ========= -->
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/controller/FallingStarController.html
+++ b/doc/controller/FallingStarController.html
@ -0,0 +1,180 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>FallingStarController</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
 <meta name="description" content="declaration: package: controller, class: FallingStarController">
 <meta name="generator" content="javadoc/ClassWriterImpl">
 <link rel="stylesheet" type="text/css" href="../stylesheet.css" title="Style">
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 <script type="text/javascript">var evenRowColor = "even-row-color";
 var oddRowColor = "odd-row-color";
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 <li><a href="package-summary.html">Package</a></li>
 <li class="nav-bar-cell1-rev">Class</li>
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 <li><a href="../help-doc.html#class">Help</a></li>
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 </div>
 <div class="sub-nav">
 <div>
 <ul class="sub-nav-list">
 <li>Summary:&nbsp;</li>
 <li>Nested&nbsp;|&nbsp;</li>
 <li>Field&nbsp;|&nbsp;</li>
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 <li><a href="#method-summary">Method</a></li>
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 <input type="text" id="search-input" value="search" disabled="disabled">
 <input type="reset" id="reset-button" value="reset" disabled="disabled">
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 <span class="skip-nav" id="skip-navbar-top"></span></nav>
 </header>
 <div class="flex-content">
 <main role="main">
 <!-- ======== START OF CLASS DATA ======== -->
 <div class="header">
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">controller</a></div>
 <h1 title="Class FallingStarController" class="title">Class FallingStarController</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance"><a href="ObjectController.html" title="class in controller">controller.ObjectController</a>
 <div class="inheritance">controller.FallingStarController</div>
 </div>
 </div>
 <section class="class-description" id="class-description">
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">FallingStarController</span>
 <span class="extends-implements">extends <a href="ObjectController.html" title="class in controller">ObjectController</a></span></div>
 <div class="block">Controls background stars. When they touch the bottom of the display they reappear on top.</div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">FallingStarController</a>()</code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#updateObject()" class="member-name-link">updateObject</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Is called once every game time step by the game itself.</div>
 </div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-controller.ObjectController">Methods inherited from class&nbsp;controller.<a href="ObjectController.html" title="class in controller">ObjectController</a></h3>
 <code><a href="ObjectController.html#applySpeedVector()">applySpeedVector</a>, <a href="ObjectController.html#getPlayground()">getPlayground</a>, <a href="ObjectController.html#getTimestep()">getTimestep</a>, <a href="ObjectController.html#getVX()">getVX</a>, <a href="ObjectController.html#getVY()">getVY</a>, <a href="ObjectController.html#getX()">getX</a>, <a href="ObjectController.html#getY()">getY</a>, <a href="ObjectController.html#setDummy(java.lang.String)">setDummy</a>, <a href="ObjectController.html#setObject(gameobjects.GameObject)">setObject</a>, <a href="ObjectController.html#setPlayground(playground.Playground)">setPlayground</a>, <a href="ObjectController.html#setVX(double)">setVX</a>, <a href="ObjectController.html#setVY(double)">setVY</a>, <a href="ObjectController.html#setX(double)">setX</a>, <a href="ObjectController.html#setY(double)">setY</a></code></div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;()">
 <h3>FallingStarController</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">FallingStarController</span>()</div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="updateObject()">
 <h3>updateObject</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">updateObject</span>()</div>
 <div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="ObjectController.html#updateObject()">ObjectController</a></code></span></div>
 <div class="block">Is called once every game time step by the game itself. NEVER call this directly, not
 necessary!<br>
 The method can do whatever it likes, including nothing. The attribute <code>ObjectController.gameObject</code>
 contains a reference to the controlled object, which allows access to the Playground the object
 belongs to (useful for getting the pixel size in x and y of the playing field.<br>
 <strong>Recommended:</strong> when implementing this method, call at the end
 <a href="ObjectController.html#applySpeedVector()"><code>ObjectController.applySpeedVector()</code></a> method. This is a helper method that sets the new x,y coordinates
 for the <code>ObjectController.gameObject</code> correctly.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="ObjectController.html#updateObject()">updateObject</a></code>&nbsp;in class&nbsp;<code><a href="ObjectController.html" title="class in controller">ObjectController</a></code></dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
 <!-- ========= END OF CLASS DATA ========= -->
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/controller/LimitedTimeController.html
+++ b/doc/controller/LimitedTimeController.html
@ -0,0 +1,191 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>LimitedTimeController</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
 <meta name="description" content="declaration: package: controller, class: LimitedTimeController">
 <meta name="generator" content="javadoc/ClassWriterImpl">
 <link rel="stylesheet" type="text/css" href="../stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../script-dir/jquery-ui.min.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../jquery-ui.overrides.css" title="Style">
 <script type="text/javascript" src="../script.js"></script>
 <script type="text/javascript" src="../script-dir/jquery-3.5.1.min.js"></script>
 <script type="text/javascript" src="../script-dir/jquery-ui.min.js"></script>
 </head>
 <body class="class-declaration-page">
 <script type="text/javascript">var evenRowColor = "even-row-color";
 var oddRowColor = "odd-row-color";
 var tableTab = "table-tab";
 var activeTableTab = "active-table-tab";
 var pathtoroot = "../";
 loadScripts(document, 'script');</script>
 <noscript>
 <div>JavaScript is disabled on your browser.</div>
 </noscript>
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 <li><a href="package-summary.html">Package</a></li>
 <li class="nav-bar-cell1-rev">Class</li>
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 <li><a href="../help-doc.html#class">Help</a></li>
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 <input type="text" id="search-input" value="search" disabled="disabled">
 <input type="reset" id="reset-button" value="reset" disabled="disabled">
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 <!-- ======== START OF CLASS DATA ======== -->
 <div class="header">
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">controller</a></div>
 <h1 title="Class LimitedTimeController" class="title">Class LimitedTimeController</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance"><a href="ObjectController.html" title="class in controller">controller.ObjectController</a>
 <div class="inheritance">controller.LimitedTimeController</div>
 </div>
 </div>
 <section class="class-description" id="class-description">
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">LimitedTimeController</span>
 <span class="extends-implements">extends <a href="ObjectController.html" title="class in controller">ObjectController</a></span></div>
 <div class="block">Controls and abject that is deleted after a lifetime specified in the constructor, and when it
 leaves the display.</div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(double,double)" class="member-name-link">LimitedTimeController</a><wbr>(double&nbsp;g0,
 double&nbsp;duration)</code></div>
 <div class="col-last even-row-color">
 <div class="block">Constructor.</div>
 </div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#updateObject()" class="member-name-link">updateObject</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Is called once every game time step by the game itself.</div>
 </div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-controller.ObjectController">Methods inherited from class&nbsp;controller.<a href="ObjectController.html" title="class in controller">ObjectController</a></h3>
 <code><a href="ObjectController.html#applySpeedVector()">applySpeedVector</a>, <a href="ObjectController.html#getPlayground()">getPlayground</a>, <a href="ObjectController.html#getTimestep()">getTimestep</a>, <a href="ObjectController.html#getVX()">getVX</a>, <a href="ObjectController.html#getVY()">getVY</a>, <a href="ObjectController.html#getX()">getX</a>, <a href="ObjectController.html#getY()">getY</a>, <a href="ObjectController.html#setDummy(java.lang.String)">setDummy</a>, <a href="ObjectController.html#setObject(gameobjects.GameObject)">setObject</a>, <a href="ObjectController.html#setPlayground(playground.Playground)">setPlayground</a>, <a href="ObjectController.html#setVX(double)">setVX</a>, <a href="ObjectController.html#setVY(double)">setVY</a>, <a href="ObjectController.html#setX(double)">setX</a>, <a href="ObjectController.html#setY(double)">setY</a></code></div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;(double,double)">
 <h3>LimitedTimeController</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">LimitedTimeController</span><wbr><span class="parameters">(double&nbsp;g0,
 double&nbsp;duration)</span></div>
 <div class="block">Constructor.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>g0</code> - int initial game time at creation</dd>
 <dd><code>duration</code> - int duration in seconds</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="updateObject()">
 <h3>updateObject</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">updateObject</span>()</div>
 <div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="ObjectController.html#updateObject()">ObjectController</a></code></span></div>
 <div class="block">Is called once every game time step by the game itself. NEVER call this directly, not
 necessary!<br>
 The method can do whatever it likes, including nothing. The attribute <code>ObjectController.gameObject</code>
 contains a reference to the controlled object, which allows access to the Playground the object
 belongs to (useful for getting the pixel size in x and y of the playing field.<br>
 <strong>Recommended:</strong> when implementing this method, call at the end
 <a href="ObjectController.html#applySpeedVector()"><code>ObjectController.applySpeedVector()</code></a> method. This is a helper method that sets the new x,y coordinates
 for the <code>ObjectController.gameObject</code> correctly.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="ObjectController.html#updateObject()">updateObject</a></code>&nbsp;in class&nbsp;<code><a href="ObjectController.html" title="class in controller">ObjectController</a></code></dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
 <!-- ========= END OF CLASS DATA ========= -->
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/controller/MineController.html
+++ b/doc/controller/MineController.html
@ -0,0 +1,179 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>MineController</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
 <meta name="description" content="declaration: package: controller, class: MineController">
 <meta name="generator" content="javadoc/ClassWriterImpl">
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 <li><a href="package-summary.html">Package</a></li>
 <li class="nav-bar-cell1-rev">Class</li>
 <li><a href="class-use/MineController.html">Use</a></li>
 <li><a href="package-tree.html">Tree</a></li>
 <li><a href="../index-files/index-1.html">Index</a></li>
 <li><a href="../help-doc.html#class">Help</a></li>
 </ul>
 </div>
 <div class="sub-nav">
 <div>
 <ul class="sub-nav-list">
 <li>Summary:&nbsp;</li>
 <li>Nested&nbsp;|&nbsp;</li>
 <li>Field&nbsp;|&nbsp;</li>
 <li><a href="#constructor-summary">Constr</a>&nbsp;|&nbsp;</li>
 <li><a href="#method-summary">Method</a></li>
 </ul>
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 </header>
 <div class="flex-content">
 <main role="main">
 <!-- ======== START OF CLASS DATA ======== -->
 <div class="header">
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">controller</a></div>
 <h1 title="Class MineController" class="title">Class MineController</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance"><a href="ObjectController.html" title="class in controller">controller.ObjectController</a>
 <div class="inheritance">controller.MineController</div>
 </div>
 </div>
 <section class="class-description" id="class-description">
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">MineController</span>
 <span class="extends-implements">extends <a href="ObjectController.html" title="class in controller">ObjectController</a></span></div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(double)" class="member-name-link">MineController</a><wbr>(double&nbsp;lineSpeed)</code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#updateObject()" class="member-name-link">updateObject</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Is called once every game time step by the game itself.</div>
 </div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-controller.ObjectController">Methods inherited from class&nbsp;controller.<a href="ObjectController.html" title="class in controller">ObjectController</a></h3>
 <code><a href="ObjectController.html#applySpeedVector()">applySpeedVector</a>, <a href="ObjectController.html#getPlayground()">getPlayground</a>, <a href="ObjectController.html#getTimestep()">getTimestep</a>, <a href="ObjectController.html#getVX()">getVX</a>, <a href="ObjectController.html#getVY()">getVY</a>, <a href="ObjectController.html#getX()">getX</a>, <a href="ObjectController.html#getY()">getY</a>, <a href="ObjectController.html#setDummy(java.lang.String)">setDummy</a>, <a href="ObjectController.html#setObject(gameobjects.GameObject)">setObject</a>, <a href="ObjectController.html#setPlayground(playground.Playground)">setPlayground</a>, <a href="ObjectController.html#setVX(double)">setVX</a>, <a href="ObjectController.html#setVY(double)">setVY</a>, <a href="ObjectController.html#setX(double)">setX</a>, <a href="ObjectController.html#setY(double)">setY</a></code></div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;(double)">
 <h3>MineController</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">MineController</span><wbr><span class="parameters">(double&nbsp;lineSpeed)</span></div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="updateObject()">
 <h3>updateObject</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">updateObject</span>()</div>
 <div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="ObjectController.html#updateObject()">ObjectController</a></code></span></div>
 <div class="block">Is called once every game time step by the game itself. NEVER call this directly, not
 necessary!<br>
 The method can do whatever it likes, including nothing. The attribute <code>ObjectController.gameObject</code>
 contains a reference to the controlled object, which allows access to the Playground the object
 belongs to (useful for getting the pixel size in x and y of the playing field.<br>
 <strong>Recommended:</strong> when implementing this method, call at the end
 <a href="ObjectController.html#applySpeedVector()"><code>ObjectController.applySpeedVector()</code></a> method. This is a helper method that sets the new x,y coordinates
 for the <code>ObjectController.gameObject</code> correctly.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="ObjectController.html#updateObject()">updateObject</a></code>&nbsp;in class&nbsp;<code><a href="ObjectController.html" title="class in controller">ObjectController</a></code></dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
 <!-- ========= END OF CLASS DATA ========= -->
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/controller/ObjectController.html
+++ b/doc/controller/ObjectController.html
@ -0,0 +1,316 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>ObjectController</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
 <meta name="description" content="declaration: package: controller, class: ObjectController">
 <meta name="generator" content="javadoc/ClassWriterImpl">
 <link rel="stylesheet" type="text/css" href="../stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../script-dir/jquery-ui.min.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../jquery-ui.overrides.css" title="Style">
 <script type="text/javascript" src="../script.js"></script>
 <script type="text/javascript" src="../script-dir/jquery-3.5.1.min.js"></script>
 <script type="text/javascript" src="../script-dir/jquery-ui.min.js"></script>
 </head>
 <body class="class-declaration-page">
 <script type="text/javascript">var evenRowColor = "even-row-color";
 var oddRowColor = "odd-row-color";
 var tableTab = "table-tab";
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 loadScripts(document, 'script');</script>
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 <div>JavaScript is disabled on your browser.</div>
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 <!-- ======== START OF CLASS DATA ======== -->
 <div class="header">
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">controller</a></div>
 <h1 title="Class ObjectController" class="title">Class ObjectController</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance">controller.ObjectController</div>
 </div>
 <section class="class-description" id="class-description">
 <dl class="notes">
 <dt>Direct Known Subclasses:</dt>
 <dd><code><a href="EgoController.html" title="class in controller">EgoController</a></code>, <code><a href="EnemyController.html" title="class in controller">EnemyController</a></code>, <code><a href="FallingStarController.html" title="class in controller">FallingStarController</a></code>, <code><a href="LimitedTimeController.html" title="class in controller">LimitedTimeController</a></code>, <code><a href="MineController.html" title="class in controller">MineController</a></code>, <code><a href="SimpleShotController.html" title="class in controller">SimpleShotController</a></code></dd>
 </dl>
 <hr>
 <div class="type-signature"><span class="modifiers">public abstract class </span><span class="element-name type-name-label">ObjectController</span>
 <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span></div>
 <div class="block">Class that controls the LOGICAL behavior of an object independently of how it is displayed or
 drawn. The most important method here is <a href="#updateObject()"><code>updateObject()</code></a>: this method is, by various
 indirections, called exactly once per game time step for every object that is on the playground.
 It has, by virtue of the member variables <code>gameObject</code> full access to
 <ul>
 <li>the object it is controlling
 <li>the playground this object belongs to
 </ul>
 Typically, updateObject would check whether an object leaves the screen to react appropriately.
 In that case the object can be marked for deletion (by adding it to the flag "deleted" that is
 always defined for any playground), but of course other reactions are possible like rebounding,
 emerging on the other side, ...</div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">ObjectController</a>()</code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab3" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab3', 3)" class="table-tab">Abstract Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#applySpeedVector()" class="member-name-link">applySpeedVector</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Convenience method: simply moves the object forward one step from its present position, using
 its present speed.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../playground/Playground.html" title="class in playground">Playground</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getPlayground()" class="member-name-link">getPlayground</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>double</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getTimestep()" class="member-name-link">getTimestep</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>double</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getVX()" class="member-name-link">getVX</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>double</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getVY()" class="member-name-link">getVY</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>double</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getX()" class="member-name-link">getX</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>double</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getY()" class="member-name-link">getY</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setDummy(java.lang.String)" class="member-name-link">setDummy</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;x)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setObject(gameobjects.GameObject)" class="member-name-link">setObject</a><wbr>(<a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;gameObject)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setPlayground(playground.Playground)" class="member-name-link">setPlayground</a><wbr>(<a href="../playground/Playground.html" title="class in playground">Playground</a>&nbsp;playground)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setVX(double)" class="member-name-link">setVX</a><wbr>(double&nbsp;vx)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setVY(double)" class="member-name-link">setVY</a><wbr>(double&nbsp;vy)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setX(double)" class="member-name-link">setX</a><wbr>(double&nbsp;x)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setY(double)" class="member-name-link">setY</a><wbr>(double&nbsp;y)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>abstract void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#updateObject()" class="member-name-link">updateObject</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
 <div class="block">Is called once every game time step by the game itself.</div>
 </div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;()">
 <h3>ObjectController</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">ObjectController</span>()</div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="setObject(gameobjects.GameObject)">
 <h3>setObject</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setObject</span><wbr><span class="parameters">(<a href="../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;gameObject)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="setDummy(java.lang.String)">
 <h3>setDummy</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setDummy</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;x)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="updateObject()">
 <h3>updateObject</h3>
 <div class="member-signature"><span class="modifiers">public abstract</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">updateObject</span>()</div>
 <div class="block">Is called once every game time step by the game itself. NEVER call this directly, not
 necessary!<br>
 The method can do whatever it likes, including nothing. The attribute <code>gameObject</code>
 contains a reference to the controlled object, which allows access to the Playground the object
 belongs to (useful for getting the pixel size in x and y of the playing field.<br>
 <strong>Recommended:</strong> when implementing this method, call at the end
 <a href="#applySpeedVector()"><code>applySpeedVector()</code></a> method. This is a helper method that sets the new x,y coordinates
 for the <code>gameObject</code> correctly.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="applySpeedVector()">
 <h3>applySpeedVector</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">applySpeedVector</span>()</div>
 <div class="block">Convenience method: simply moves the object forward one step from its present position, using
 its present speed.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="getTimestep()">
 <h3>getTimestep</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">getTimestep</span>()</div>
 </section>
 </li>
 <li>
 <section class="detail" id="getX()">
 <h3>getX</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">getX</span>()</div>
 </section>
 </li>
 <li>
 <section class="detail" id="getY()">
 <h3>getY</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">getY</span>()</div>
 </section>
 </li>
 <li>
 <section class="detail" id="getVX()">
 <h3>getVX</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">getVX</span>()</div>
 </section>
 </li>
 <li>
 <section class="detail" id="getVY()">
 <h3>getVY</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">getVY</span>()</div>
 </section>
 </li>
 <li>
 <section class="detail" id="setX(double)">
 <h3>setX</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setX</span><wbr><span class="parameters">(double&nbsp;x)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="setY(double)">
 <h3>setY</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setY</span><wbr><span class="parameters">(double&nbsp;y)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="setVX(double)">
 <h3>setVX</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setVX</span><wbr><span class="parameters">(double&nbsp;vx)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="setVY(double)">
 <h3>setVY</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setVY</span><wbr><span class="parameters">(double&nbsp;vy)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="getPlayground()">
 <h3>getPlayground</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../playground/Playground.html" title="class in playground">Playground</a></span>&nbsp;<span class="element-name">getPlayground</span>()</div>
 </section>
 </li>
 <li>
 <section class="detail" id="setPlayground(playground.Playground)">
 <h3>setPlayground</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setPlayground</span><wbr><span class="parameters">(<a href="../playground/Playground.html" title="class in playground">Playground</a>&nbsp;playground)</span></div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
 <!-- ========= END OF CLASS DATA ========= -->
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/controller/SimpleShotController.html
+++ b/doc/controller/SimpleShotController.html
@ -0,0 +1,179 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
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 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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 <!-- ======== START OF CLASS DATA ======== -->
 <div class="header">
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">controller</a></div>
 <h1 title="Class SimpleShotController" class="title">Class SimpleShotController</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance"><a href="ObjectController.html" title="class in controller">controller.ObjectController</a>
 <div class="inheritance">controller.SimpleShotController</div>
 </div>
 </div>
 <section class="class-description" id="class-description">
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">SimpleShotController</span>
 <span class="extends-implements">extends <a href="ObjectController.html" title="class in controller">ObjectController</a></span></div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">SimpleShotController</a>()</code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#updateObject()" class="member-name-link">updateObject</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Is called once every game time step by the game itself.</div>
 </div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-controller.ObjectController">Methods inherited from class&nbsp;controller.<a href="ObjectController.html" title="class in controller">ObjectController</a></h3>
 <code><a href="ObjectController.html#applySpeedVector()">applySpeedVector</a>, <a href="ObjectController.html#getPlayground()">getPlayground</a>, <a href="ObjectController.html#getTimestep()">getTimestep</a>, <a href="ObjectController.html#getVX()">getVX</a>, <a href="ObjectController.html#getVY()">getVY</a>, <a href="ObjectController.html#getX()">getX</a>, <a href="ObjectController.html#getY()">getY</a>, <a href="ObjectController.html#setDummy(java.lang.String)">setDummy</a>, <a href="ObjectController.html#setObject(gameobjects.GameObject)">setObject</a>, <a href="ObjectController.html#setPlayground(playground.Playground)">setPlayground</a>, <a href="ObjectController.html#setVX(double)">setVX</a>, <a href="ObjectController.html#setVY(double)">setVY</a>, <a href="ObjectController.html#setX(double)">setX</a>, <a href="ObjectController.html#setY(double)">setY</a></code></div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;()">
 <h3>SimpleShotController</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">SimpleShotController</span>()</div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="updateObject()">
 <h3>updateObject</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">updateObject</span>()</div>
 <div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="ObjectController.html#updateObject()">ObjectController</a></code></span></div>
 <div class="block">Is called once every game time step by the game itself. NEVER call this directly, not
 necessary!<br>
 The method can do whatever it likes, including nothing. The attribute <code>ObjectController.gameObject</code>
 contains a reference to the controlled object, which allows access to the Playground the object
 belongs to (useful for getting the pixel size in x and y of the playing field.<br>
 <strong>Recommended:</strong> when implementing this method, call at the end
 <a href="ObjectController.html#applySpeedVector()"><code>ObjectController.applySpeedVector()</code></a> method. This is a helper method that sets the new x,y coordinates
 for the <code>ObjectController.gameObject</code> correctly.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="ObjectController.html#updateObject()">updateObject</a></code>&nbsp;in class&nbsp;<code><a href="ObjectController.html" title="class in controller">ObjectController</a></code></dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
 <!-- ========= END OF CLASS DATA ========= -->
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/controller/ZickZackController.html
+++ b/doc/controller/ZickZackController.html
@ -0,0 +1,183 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>ZickZackController</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
 <meta name="description" content="declaration: package: controller, class: ZickZackController">
 <meta name="generator" content="javadoc/ClassWriterImpl">
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 <li><a href="../help-doc.html#class">Help</a></li>
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 <ul class="sub-nav-list">
 <li>Summary:&nbsp;</li>
 <li>Nested&nbsp;|&nbsp;</li>
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 <li><a href="#method-summary">Method</a></li>
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 <!-- ======== START OF CLASS DATA ======== -->
 <div class="header">
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">controller</a></div>
 <h1 title="Class ZickZackController" class="title">Class ZickZackController</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance"><a href="ObjectController.html" title="class in controller">controller.ObjectController</a>
 <div class="inheritance"><a href="EnemyController.html" title="class in controller">controller.EnemyController</a>
 <div class="inheritance">controller.ZickZackController</div>
 </div>
 </div>
 </div>
 <section class="class-description" id="class-description">
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">ZickZackController</span>
 <span class="extends-implements">extends <a href="EnemyController.html" title="class in controller">EnemyController</a></span></div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(double,double)" class="member-name-link">ZickZackController</a><wbr>(double&nbsp;gameTime,
 double&nbsp;dt)</code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#updateObject()" class="member-name-link">updateObject</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Is called once every game time step by the game itself.</div>
 </div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-controller.ObjectController">Methods inherited from class&nbsp;controller.<a href="ObjectController.html" title="class in controller">ObjectController</a></h3>
 <code><a href="ObjectController.html#applySpeedVector()">applySpeedVector</a>, <a href="ObjectController.html#getPlayground()">getPlayground</a>, <a href="ObjectController.html#getTimestep()">getTimestep</a>, <a href="ObjectController.html#getVX()">getVX</a>, <a href="ObjectController.html#getVY()">getVY</a>, <a href="ObjectController.html#getX()">getX</a>, <a href="ObjectController.html#getY()">getY</a>, <a href="ObjectController.html#setDummy(java.lang.String)">setDummy</a>, <a href="ObjectController.html#setObject(gameobjects.GameObject)">setObject</a>, <a href="ObjectController.html#setPlayground(playground.Playground)">setPlayground</a>, <a href="ObjectController.html#setVX(double)">setVX</a>, <a href="ObjectController.html#setVY(double)">setVY</a>, <a href="ObjectController.html#setX(double)">setX</a>, <a href="ObjectController.html#setY(double)">setY</a></code></div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;(double,double)">
 <h3>ZickZackController</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">ZickZackController</span><wbr><span class="parameters">(double&nbsp;gameTime,
 double&nbsp;dt)</span></div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="updateObject()">
 <h3>updateObject</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">updateObject</span>()</div>
 <div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="ObjectController.html#updateObject()">ObjectController</a></code></span></div>
 <div class="block">Is called once every game time step by the game itself. NEVER call this directly, not
 necessary!<br>
 The method can do whatever it likes, including nothing. The attribute <code>ObjectController.gameObject</code>
 contains a reference to the controlled object, which allows access to the Playground the object
 belongs to (useful for getting the pixel size in x and y of the playing field.<br>
 <strong>Recommended:</strong> when implementing this method, call at the end
 <a href="ObjectController.html#applySpeedVector()"><code>ObjectController.applySpeedVector()</code></a> method. This is a helper method that sets the new x,y coordinates
 for the <code>ObjectController.gameObject</code> correctly.</div>
 <dl class="notes">
 <dt>Overrides:</dt>
 <dd><code><a href="EnemyController.html#updateObject()">updateObject</a></code>&nbsp;in class&nbsp;<code><a href="EnemyController.html" title="class in controller">EnemyController</a></code></dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
 <!-- ========= END OF CLASS DATA ========= -->
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/controller/class-use/CollisionAwareEgoController.html
+++ b/doc/controller/class-use/CollisionAwareEgoController.html
@ -0,0 +1,58 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>Uses of Class controller.CollisionAwareEgoController</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
 <meta name="description" content="use: package: controller, class: CollisionAwareEgoController">
 <meta name="generator" content="javadoc/ClassUseWriter">
 <link rel="stylesheet" type="text/css" href="../../stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../script-dir/jquery-ui.min.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../jquery-ui.overrides.css" title="Style">
 <script type="text/javascript" src="../../script.js"></script>
 <script type="text/javascript" src="../../script-dir/jquery-3.5.1.min.js"></script>
 <script type="text/javascript" src="../../script-dir/jquery-ui.min.js"></script>
 </head>
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 <script type="text/javascript">var pathtoroot = "../../";
 loadScripts(document, 'script');</script>
 <noscript>
 <div>JavaScript is disabled on your browser.</div>
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 <!-- ========= START OF TOP NAVBAR ======= -->
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 <li><a href="../../index.html">Overview</a></li>
 <li><a href="../package-summary.html">Package</a></li>
 <li><a href="../CollisionAwareEgoController.html" title="class in controller">Class</a></li>
 <li class="nav-bar-cell1-rev">Use</li>
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 </header>
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 <main role="main">
 <div class="header">
 <h1 title="Uses of Class controller.CollisionAwareEgoController" class="title">Uses of Class<br>controller.CollisionAwareEgoController</h1>
 </div>
 No usage of controller.CollisionAwareEgoController</main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/controller/class-use/EgoController.html
+++ b/doc/controller/class-use/EgoController.html
@ -0,0 +1,88 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>Uses of Class controller.EgoController</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
 <meta name="description" content="use: package: controller, class: EgoController">
 <meta name="generator" content="javadoc/ClassUseWriter">
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 <script type="text/javascript" src="../../script.js"></script>
 <script type="text/javascript" src="../../script-dir/jquery-3.5.1.min.js"></script>
 <script type="text/javascript" src="../../script-dir/jquery-ui.min.js"></script>
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 loadScripts(document, 'script');</script>
 <noscript>
 <div>JavaScript is disabled on your browser.</div>
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 <!-- ========= START OF TOP NAVBAR ======= -->
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 <div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div>
 <ul id="navbar-top-firstrow" class="nav-list" title="Navigation">
 <li><a href="../../index.html">Overview</a></li>
 <li><a href="../package-summary.html">Package</a></li>
 <li><a href="../EgoController.html" title="class in controller">Class</a></li>
 <li class="nav-bar-cell1-rev">Use</li>
 <li><a href="../package-tree.html">Tree</a></li>
 <li><a href="../../index-files/index-1.html">Index</a></li>
 <li><a href="../../help-doc.html#use">Help</a></li>
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 <input type="text" id="search-input" value="search" disabled="disabled">
 <input type="reset" id="reset-button" value="reset" disabled="disabled">
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 <span class="skip-nav" id="skip-navbar-top"></span></nav>
 </header>
 <div class="flex-content">
 <main role="main">
 <div class="header">
 <h1 title="Uses of Class controller.EgoController" class="title">Uses of Class<br>controller.EgoController</h1>
 </div>
 <div class="caption"><span>Packages that use <a href="../EgoController.html" title="class in controller">EgoController</a></span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Package</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><a href="#controller">controller</a></div>
 <div class="col-last even-row-color">
 <div class="block">The controller package contains Object controllers that govern an objects behavior, without being
 involved in its collision or drawing properties.</div>
 </div>
 </div>
 <section class="class-uses">
 <ul class="block-list">
 <li>
 <section class="detail" id="controller">
 <h2>Uses of <a href="../EgoController.html" title="class in controller">EgoController</a> in <a href="../package-summary.html">controller</a></h2>
 <div class="caption"><span>Subclasses of <a href="../EgoController.html" title="class in controller">EgoController</a> in <a href="../package-summary.html">controller</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Class</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>class&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="../CollisionAwareEgoController.html" class="type-name-link" title="class in controller">CollisionAwareEgoController</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">An EgoController which cannot move through obstacle objects (is collission aware).</div>
 </div>
 </div>
 </section>
 </li>
 </ul>
 </section>
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/controller/class-use/EnemyController.html
+++ b/doc/controller/class-use/EnemyController.html
@ -0,0 +1,86 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>Uses of Class controller.EnemyController</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
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 <noscript>
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 <div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div>
 <ul id="navbar-top-firstrow" class="nav-list" title="Navigation">
 <li><a href="../../index.html">Overview</a></li>
 <li><a href="../package-summary.html">Package</a></li>
 <li><a href="../EnemyController.html" title="class in controller">Class</a></li>
 <li class="nav-bar-cell1-rev">Use</li>
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 <span class="skip-nav" id="skip-navbar-top"></span></nav>
 </header>
 <div class="flex-content">
 <main role="main">
 <div class="header">
 <h1 title="Uses of Class controller.EnemyController" class="title">Uses of Class<br>controller.EnemyController</h1>
 </div>
 <div class="caption"><span>Packages that use <a href="../EnemyController.html" title="class in controller">EnemyController</a></span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Package</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><a href="#controller">controller</a></div>
 <div class="col-last even-row-color">
 <div class="block">The controller package contains Object controllers that govern an objects behavior, without being
 involved in its collision or drawing properties.</div>
 </div>
 </div>
 <section class="class-uses">
 <ul class="block-list">
 <li>
 <section class="detail" id="controller">
 <h2>Uses of <a href="../EnemyController.html" title="class in controller">EnemyController</a> in <a href="../package-summary.html">controller</a></h2>
 <div class="caption"><span>Subclasses of <a href="../EnemyController.html" title="class in controller">EnemyController</a> in <a href="../package-summary.html">controller</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Class</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>class&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="../ZickZackController.html" class="type-name-link" title="class in controller">ZickZackController</a></code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
 </section>
 </li>
 </ul>
 </section>
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/controller/class-use/FallingStarController.html
+++ b/doc/controller/class-use/FallingStarController.html
@ -0,0 +1,58 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>Uses of Class controller.FallingStarController</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
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 <script type="text/javascript" src="../../script.js"></script>
 <script type="text/javascript" src="../../script-dir/jquery-3.5.1.min.js"></script>
 <script type="text/javascript" src="../../script-dir/jquery-ui.min.js"></script>
 </head>
 <body class="class-use-page">
 <script type="text/javascript">var pathtoroot = "../../";
 loadScripts(document, 'script');</script>
 <noscript>
 <div>JavaScript is disabled on your browser.</div>
 </noscript>
 <div class="flex-box">
 <header role="banner" class="flex-header">
 <nav role="navigation">
 <!-- ========= START OF TOP NAVBAR ======= -->
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 <div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div>
 <ul id="navbar-top-firstrow" class="nav-list" title="Navigation">
 <li><a href="../../index.html">Overview</a></li>
 <li><a href="../package-summary.html">Package</a></li>
 <li><a href="../FallingStarController.html" title="class in controller">Class</a></li>
 <li class="nav-bar-cell1-rev">Use</li>
 <li><a href="../package-tree.html">Tree</a></li>
 <li><a href="../../index-files/index-1.html">Index</a></li>
 <li><a href="../../help-doc.html#use">Help</a></li>
 </ul>
 </div>
 <div class="sub-nav">
 <div class="nav-list-search"><label for="search-input">SEARCH:</label>
 <input type="text" id="search-input" value="search" disabled="disabled">
 <input type="reset" id="reset-button" value="reset" disabled="disabled">
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 <div class="flex-content">
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 <div class="header">
 <h1 title="Uses of Class controller.FallingStarController" class="title">Uses of Class<br>controller.FallingStarController</h1>
 </div>
 No usage of controller.FallingStarController</main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/controller/class-use/LimitedTimeController.html
+++ b/doc/controller/class-use/LimitedTimeController.html
@ -0,0 +1,58 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>Uses of Class controller.LimitedTimeController</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
 <meta name="description" content="use: package: controller, class: LimitedTimeController">
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 <link rel="stylesheet" type="text/css" href="../../jquery-ui.overrides.css" title="Style">
 <script type="text/javascript" src="../../script.js"></script>
 <script type="text/javascript" src="../../script-dir/jquery-3.5.1.min.js"></script>
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 <body class="class-use-page">
 <script type="text/javascript">var pathtoroot = "../../";
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 <!-- ========= START OF TOP NAVBAR ======= -->
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 <div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div>
 <ul id="navbar-top-firstrow" class="nav-list" title="Navigation">
 <li><a href="../../index.html">Overview</a></li>
 <li><a href="../package-summary.html">Package</a></li>
 <li><a href="../LimitedTimeController.html" title="class in controller">Class</a></li>
 <li class="nav-bar-cell1-rev">Use</li>
 <li><a href="../package-tree.html">Tree</a></li>
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 <main role="main">
 <div class="header">
 <h1 title="Uses of Class controller.LimitedTimeController" class="title">Uses of Class<br>controller.LimitedTimeController</h1>
 </div>
 No usage of controller.LimitedTimeController</main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/controller/class-use/MineController.html
+++ b/doc/controller/class-use/MineController.html
@ -0,0 +1,58 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>Uses of Class controller.MineController</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
 <meta name="description" content="use: package: controller, class: MineController">
 <meta name="generator" content="javadoc/ClassUseWriter">
 <link rel="stylesheet" type="text/css" href="../../stylesheet.css" title="Style">
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 <link rel="stylesheet" type="text/css" href="../../jquery-ui.overrides.css" title="Style">
 <script type="text/javascript" src="../../script.js"></script>
 <script type="text/javascript" src="../../script-dir/jquery-3.5.1.min.js"></script>
 <script type="text/javascript" src="../../script-dir/jquery-ui.min.js"></script>
 </head>
 <body class="class-use-page">
 <script type="text/javascript">var pathtoroot = "../../";
 loadScripts(document, 'script');</script>
 <noscript>
 <div>JavaScript is disabled on your browser.</div>
 </noscript>
 <div class="flex-box">
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 <!-- ========= START OF TOP NAVBAR ======= -->
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 <div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div>
 <ul id="navbar-top-firstrow" class="nav-list" title="Navigation">
 <li><a href="../../index.html">Overview</a></li>
 <li><a href="../package-summary.html">Package</a></li>
 <li><a href="../MineController.html" title="class in controller">Class</a></li>
 <li class="nav-bar-cell1-rev">Use</li>
 <li><a href="../package-tree.html">Tree</a></li>
 <li><a href="../../index-files/index-1.html">Index</a></li>
 <li><a href="../../help-doc.html#use">Help</a></li>
 </ul>
 </div>
 <div class="sub-nav">
 <div class="nav-list-search"><label for="search-input">SEARCH:</label>
 <input type="text" id="search-input" value="search" disabled="disabled">
 <input type="reset" id="reset-button" value="reset" disabled="disabled">
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 <!-- ========= END OF TOP NAVBAR ========= -->
 <span class="skip-nav" id="skip-navbar-top"></span></nav>
 </header>
 <div class="flex-content">
 <main role="main">
 <div class="header">
 <h1 title="Uses of Class controller.MineController" class="title">Uses of Class<br>controller.MineController</h1>
 </div>
 No usage of controller.MineController</main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/controller/class-use/ObjectController.html
+++ b/doc/controller/class-use/ObjectController.html
@ -0,0 +1,189 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>Uses of Class controller.ObjectController</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
 <meta name="description" content="use: package: controller, class: ObjectController">
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 <script type="text/javascript" src="../../script.js"></script>
 <script type="text/javascript" src="../../script-dir/jquery-3.5.1.min.js"></script>
 <script type="text/javascript" src="../../script-dir/jquery-ui.min.js"></script>
 </head>
 <body class="class-use-page">
 <script type="text/javascript">var pathtoroot = "../../";
 loadScripts(document, 'script');</script>
 <noscript>
 <div>JavaScript is disabled on your browser.</div>
 </noscript>
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 <!-- ========= START OF TOP NAVBAR ======= -->
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 <div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div>
 <ul id="navbar-top-firstrow" class="nav-list" title="Navigation">
 <li><a href="../../index.html">Overview</a></li>
 <li><a href="../package-summary.html">Package</a></li>
 <li><a href="../ObjectController.html" title="class in controller">Class</a></li>
 <li class="nav-bar-cell1-rev">Use</li>
 <li><a href="../package-tree.html">Tree</a></li>
 <li><a href="../../index-files/index-1.html">Index</a></li>
 <li><a href="../../help-doc.html#use">Help</a></li>
 </ul>
 </div>
 <div class="sub-nav">
 <div class="nav-list-search"><label for="search-input">SEARCH:</label>
 <input type="text" id="search-input" value="search" disabled="disabled">
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 <span class="skip-nav" id="skip-navbar-top"></span></nav>
 </header>
 <div class="flex-content">
 <main role="main">
 <div class="header">
 <h1 title="Uses of Class controller.ObjectController" class="title">Uses of Class<br>controller.ObjectController</h1>
 </div>
 <div class="caption"><span>Packages that use <a href="../ObjectController.html" title="class in controller">ObjectController</a></span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Package</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><a href="#collider">collider</a></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><a href="#controller">controller</a></div>
 <div class="col-last odd-row-color">
 <div class="block">The controller package contains Object controllers that govern an objects behavior, without being
 involved in its collision or drawing properties.</div>
 </div>
 <div class="col-first even-row-color"><a href="#gameobjects">gameobjects</a></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
 <section class="class-uses">
 <ul class="block-list">
 <li>
 <section class="detail" id="collider">
 <h2>Uses of <a href="../ObjectController.html" title="class in controller">ObjectController</a> in <a href="../../collider/package-summary.html">collider</a></h2>
 <div class="caption"><span>Methods in <a href="../../collider/package-summary.html">collider</a> with parameters of type <a href="../ObjectController.html" title="class in controller">ObjectController</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>void</code></div>
 <div class="col-second even-row-color"><span class="type-name-label">Collider.</span><code><a href="../../collider/Collider.html#setController(controller.ObjectController)" class="member-name-link">setController</a><wbr>(<a href="../ObjectController.html" title="class in controller">ObjectController</a>&nbsp;controller)</code></div>
 <div class="col-last even-row-color">
 <div class="block">setter for GameController</div>
 </div>
 </div>
 </section>
 </li>
 <li>
 <section class="detail" id="controller">
 <h2>Uses of <a href="../ObjectController.html" title="class in controller">ObjectController</a> in <a href="../package-summary.html">controller</a></h2>
 <div class="caption"><span>Subclasses of <a href="../ObjectController.html" title="class in controller">ObjectController</a> in <a href="../package-summary.html">controller</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Class</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>class&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="../CollisionAwareEgoController.html" class="type-name-link" title="class in controller">CollisionAwareEgoController</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">An EgoController which cannot move through obstacle objects (is collission aware).</div>
 </div>
 <div class="col-first odd-row-color"><code>class&nbsp;</code></div>
 <div class="col-second odd-row-color"><code><a href="../EgoController.html" class="type-name-link" title="class in controller">EgoController</a></code></div>
 <div class="col-last odd-row-color">
 <div class="block">Controller using key events for up, down, left, right and space (shooting) to control the ego
 object behavior.</div>
 </div>
 <div class="col-first even-row-color"><code>class&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="../EnemyController.html" class="type-name-link" title="class in controller">EnemyController</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">This class controls the space invaders.</div>
 </div>
 <div class="col-first odd-row-color"><code>class&nbsp;</code></div>
 <div class="col-second odd-row-color"><code><a href="../FallingStarController.html" class="type-name-link" title="class in controller">FallingStarController</a></code></div>
 <div class="col-last odd-row-color">
 <div class="block">Controls background stars.</div>
 </div>
 <div class="col-first even-row-color"><code>class&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="../LimitedTimeController.html" class="type-name-link" title="class in controller">LimitedTimeController</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">Controls and abject that is deleted after a lifetime specified in the constructor, and when it
 leaves the display.</div>
 </div>
 <div class="col-first odd-row-color"><code>class&nbsp;</code></div>
 <div class="col-second odd-row-color"><code><a href="../MineController.html" class="type-name-link" title="class in controller">MineController</a></code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 <div class="col-first even-row-color"><code>class&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="../SimpleShotController.html" class="type-name-link" title="class in controller">SimpleShotController</a></code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><code>class&nbsp;</code></div>
 <div class="col-second odd-row-color"><code><a href="../ZickZackController.html" class="type-name-link" title="class in controller">ZickZackController</a></code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 </div>
 </section>
 </li>
 <li>
 <section class="detail" id="gameobjects">
 <h2>Uses of <a href="../ObjectController.html" title="class in controller">ObjectController</a> in <a href="../../gameobjects/package-summary.html">gameobjects</a></h2>
 <div class="caption"><span>Methods in <a href="../../gameobjects/package-summary.html">gameobjects</a> that return <a href="../ObjectController.html" title="class in controller">ObjectController</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code><a href="../ObjectController.html" title="class in controller">ObjectController</a></code></div>
 <div class="col-second even-row-color"><span class="type-name-label">GameObject.</span><code><a href="../../gameobjects/GameObject.html#getObjectController()" class="member-name-link">getObjectController</a>()</code></div>
 <div class="col-last even-row-color">
 <div class="block">Access to object controller.</div>
 </div>
 </div>
 <div class="caption"><span>Methods in <a href="../../gameobjects/package-summary.html">gameobjects</a> with parameters of type <a href="../ObjectController.html" title="class in controller">ObjectController</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code><a href="../../gameobjects/GameObject.html" title="class in gameobjects">GameObject</a></code></div>
 <div class="col-second even-row-color"><span class="type-name-label">GameObject.</span><code><a href="../../gameobjects/GameObject.html#addController(controller.ObjectController)" class="member-name-link">addController</a><wbr>(<a href="../ObjectController.html" title="class in controller">ObjectController</a>&nbsp;c)</code></div>
 <div class="col-last even-row-color">
 <div class="block">Sets the controller to use for this GameObject's logical behavior.</div>
 </div>
 <div class="col-first odd-row-color"><code>void</code></div>
 <div class="col-second odd-row-color"><span class="type-name-label">GameObject.</span><code><a href="../../gameobjects/GameObject.html#setObjectController(controller.ObjectController)" class="member-name-link">setObjectController</a><wbr>(<a href="../ObjectController.html" title="class in controller">ObjectController</a>&nbsp;controller)</code></div>
 <div class="col-last odd-row-color">
 <div class="block">Sets a new object controller (replaces any former one).</div>
 </div>
 </div>
 <div class="caption"><span>Constructors in <a href="../../gameobjects/package-summary.html">gameobjects</a> with parameters of type <a href="../ObjectController.html" title="class in controller">ObjectController</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier</div>
 <div class="table-header col-second">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="../../gameobjects/GameObject.html#%3Cinit%3E(java.lang.String,playground.Playground,controller.ObjectController,double,double,double,double)" class="member-name-link">GameObject</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../../playground/Playground.html" title="class in playground">Playground</a>&nbsp;playground,
 <a href="../ObjectController.html" title="class in controller">ObjectController</a>&nbsp;controller,
 double&nbsp;x,
 double&nbsp;y,
 double&nbsp;vx,
 double&nbsp;vy)</code></div>
 <div class="col-last even-row-color">
 <div class="block">Constructor to initialize a GameObject, respectively set the current Playground instance this
 GameObject belongs to.</div>
 </div>
 </div>
 </section>
 </li>
 </ul>
 </section>
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/controller/class-use/SimpleShotController.html
+++ b/doc/controller/class-use/SimpleShotController.html
@ -0,0 +1,58 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>Uses of Class controller.SimpleShotController</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
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 <div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div>
 <ul id="navbar-top-firstrow" class="nav-list" title="Navigation">
 <li><a href="../../index.html">Overview</a></li>
 <li><a href="../package-summary.html">Package</a></li>
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 <h1 title="Uses of Class controller.SimpleShotController" class="title">Uses of Class<br>controller.SimpleShotController</h1>
 </div>
 No usage of controller.SimpleShotController</main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/controller/class-use/ZickZackController.html
+++ b/doc/controller/class-use/ZickZackController.html
@ -0,0 +1,58 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>Uses of Class controller.ZickZackController</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
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 <li><a href="../../index.html">Overview</a></li>
 <li><a href="../package-summary.html">Package</a></li>
 <li><a href="../ZickZackController.html" title="class in controller">Class</a></li>
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 <h1 title="Uses of Class controller.ZickZackController" class="title">Uses of Class<br>controller.ZickZackController</h1>
 </div>
 No usage of controller.ZickZackController</main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/controller/package-summary.html
+++ b/doc/controller/package-summary.html
@ -0,0 +1,124 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>controller</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
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 <!-- ========= START OF TOP NAVBAR ======= -->
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 <div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div>
 <ul id="navbar-top-firstrow" class="nav-list" title="Navigation">
 <li><a href="../index.html">Overview</a></li>
 <li class="nav-bar-cell1-rev">Package</li>
 <li>Class</li>
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 <li><a href="../help-doc.html#package">Help</a></li>
 </ul>
 </div>
 <div class="sub-nav">
 <div>
 <ul class="sub-nav-list">
 <li>Package:&nbsp;</li>
 <li><a href="#package-description">Description</a>&nbsp;|&nbsp;</li>
 <li>Related Packages&nbsp;|&nbsp;</li>
 <li><a href="#class-summary">Classes and Interfaces</a></li>
 </ul>
 </div>
 <div class="nav-list-search"><label for="search-input">SEARCH:</label>
 <input type="text" id="search-input" value="search" disabled="disabled">
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 <span class="skip-nav" id="skip-navbar-top"></span></nav>
 </header>
 <div class="flex-content">
 <main role="main">
 <div class="header">
 <h1 title="Package controller" class="title">Package controller</h1>
 </div>
 <hr>
 <div class="package-signature">package <span class="element-name">controller</span></div>
 <section class="package-description" id="package-description">
 <div class="block">The controller package contains Object controllers that govern an objects behavior, without being
 involved in its collision or drawing properties. Object controllers react to user actions/inputs
 and govern for example the movement of <a href="../gameobjects/GameObject.html" title="class in gameobjects"><code>GameObject</code></a> instances. They can access
 their parent objects' properties and, by indirection, the properties and methods of the
 associated level. <br>
 Controllers should be designed in such a way that they implement behavior that is
 level-independent. All level-dependent behavior should be implemented in
 <a href="../playground/Playground.html#applyGameLogic()"><code>Playground.applyGameLogic()</code></a>.</div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <li>
 <div id="class-summary">
 <div class="caption"><span>Classes</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Class</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color class-summary class-summary-tab2"><a href="CollisionAwareEgoController.html" title="class in controller">CollisionAwareEgoController</a></div>
 <div class="col-last even-row-color class-summary class-summary-tab2">
 <div class="block">An EgoController which cannot move through obstacle objects (is collission aware).</div>
 </div>
 <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="EgoController.html" title="class in controller">EgoController</a></div>
 <div class="col-last odd-row-color class-summary class-summary-tab2">
 <div class="block">Controller using key events for up, down, left, right and space (shooting) to control the ego
 object behavior.</div>
 </div>
 <div class="col-first even-row-color class-summary class-summary-tab2"><a href="EnemyController.html" title="class in controller">EnemyController</a></div>
 <div class="col-last even-row-color class-summary class-summary-tab2">
 <div class="block">This class controls the space invaders.</div>
 </div>
 <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="FallingStarController.html" title="class in controller">FallingStarController</a></div>
 <div class="col-last odd-row-color class-summary class-summary-tab2">
 <div class="block">Controls background stars.</div>
 </div>
 <div class="col-first even-row-color class-summary class-summary-tab2"><a href="LimitedTimeController.html" title="class in controller">LimitedTimeController</a></div>
 <div class="col-last even-row-color class-summary class-summary-tab2">
 <div class="block">Controls and abject that is deleted after a lifetime specified in the constructor, and when it
 leaves the display.</div>
 </div>
 <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="MineController.html" title="class in controller">MineController</a></div>
 <div class="col-last odd-row-color class-summary class-summary-tab2">&nbsp;</div>
 <div class="col-first even-row-color class-summary class-summary-tab2"><a href="ObjectController.html" title="class in controller">ObjectController</a></div>
 <div class="col-last even-row-color class-summary class-summary-tab2">
 <div class="block">Class that controls the LOGICAL behavior of an object independently of how it is displayed or
 drawn.</div>
 </div>
 <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="SimpleShotController.html" title="class in controller">SimpleShotController</a></div>
 <div class="col-last odd-row-color class-summary class-summary-tab2">&nbsp;</div>
 <div class="col-first even-row-color class-summary class-summary-tab2"><a href="ZickZackController.html" title="class in controller">ZickZackController</a></div>
 <div class="col-last even-row-color class-summary class-summary-tab2">&nbsp;</div>
 </div>
 </div>
 </li>
 </ul>
 </section>
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/controller/package-tree.html
+++ b/doc/controller/package-tree.html
@ -0,0 +1,89 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>controller Class Hierarchy</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
 <meta name="description" content="tree: package: controller">
 <meta name="generator" content="javadoc/PackageTreeWriter">
 <link rel="stylesheet" type="text/css" href="../stylesheet.css" title="Style">
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 <link rel="stylesheet" type="text/css" href="../jquery-ui.overrides.css" title="Style">
 <script type="text/javascript" src="../script.js"></script>
 <script type="text/javascript" src="../script-dir/jquery-3.5.1.min.js"></script>
 <script type="text/javascript" src="../script-dir/jquery-ui.min.js"></script>
 </head>
 <body class="package-tree-page">
 <script type="text/javascript">var pathtoroot = "../";
 loadScripts(document, 'script');</script>
 <noscript>
 <div>JavaScript is disabled on your browser.</div>
 </noscript>
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 <header role="banner" class="flex-header">
 <nav role="navigation">
 <!-- ========= START OF TOP NAVBAR ======= -->
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 <div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div>
 <ul id="navbar-top-firstrow" class="nav-list" title="Navigation">
 <li><a href="../index.html">Overview</a></li>
 <li><a href="package-summary.html">Package</a></li>
 <li>Class</li>
 <li>Use</li>
 <li class="nav-bar-cell1-rev">Tree</li>
 <li><a href="../index-files/index-1.html">Index</a></li>
 <li><a href="../help-doc.html#tree">Help</a></li>
 </ul>
 </div>
 <div class="sub-nav">
 <div class="nav-list-search"><label for="search-input">SEARCH:</label>
 <input type="text" id="search-input" value="search" disabled="disabled">
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 </header>
 <div class="flex-content">
 <main role="main">
 <div class="header">
 <h1 class="title">Hierarchy For Package controller</h1>
 <span class="package-hierarchy-label">Package Hierarchies:</span>
 <ul class="horizontal">
 <li><a href="../overview-tree.html">All Packages</a></li>
 </ul>
 </div>
 <section class="hierarchy">
 <h2 title="Class Hierarchy">Class Hierarchy</h2>
 <ul>
 <li class="circle">java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" class="type-name-link external-link" title="class or interface in java.lang">Object</a>
 <ul>
 <li class="circle">controller.<a href="ObjectController.html" class="type-name-link" title="class in controller">ObjectController</a>
 <ul>
 <li class="circle">controller.<a href="EgoController.html" class="type-name-link" title="class in controller">EgoController</a>
 <ul>
 <li class="circle">controller.<a href="CollisionAwareEgoController.html" class="type-name-link" title="class in controller">CollisionAwareEgoController</a></li>
 </ul>
 </li>
 <li class="circle">controller.<a href="EnemyController.html" class="type-name-link" title="class in controller">EnemyController</a>
 <ul>
 <li class="circle">controller.<a href="ZickZackController.html" class="type-name-link" title="class in controller">ZickZackController</a></li>
 </ul>
 </li>
 <li class="circle">controller.<a href="FallingStarController.html" class="type-name-link" title="class in controller">FallingStarController</a></li>
 <li class="circle">controller.<a href="LimitedTimeController.html" class="type-name-link" title="class in controller">LimitedTimeController</a></li>
 <li class="circle">controller.<a href="MineController.html" class="type-name-link" title="class in controller">MineController</a></li>
 <li class="circle">controller.<a href="SimpleShotController.html" class="type-name-link" title="class in controller">SimpleShotController</a></li>
 </ul>
 </li>
 </ul>
 </li>
 </ul>
 </section>
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/controller/package-use.html
+++ b/doc/controller/package-use.html
@ -0,0 +1,127 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>Uses of Package controller</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
 <meta name="description" content="use: package: controller">
 <meta name="generator" content="javadoc/PackageUseWriter">
 <link rel="stylesheet" type="text/css" href="../stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../script-dir/jquery-ui.min.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../jquery-ui.overrides.css" title="Style">
 <script type="text/javascript" src="../script.js"></script>
 <script type="text/javascript" src="../script-dir/jquery-3.5.1.min.js"></script>
 <script type="text/javascript" src="../script-dir/jquery-ui.min.js"></script>
 </head>
 <body class="package-use-page">
 <script type="text/javascript">var pathtoroot = "../";
 loadScripts(document, 'script');</script>
 <noscript>
 <div>JavaScript is disabled on your browser.</div>
 </noscript>
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 <header role="banner" class="flex-header">
 <nav role="navigation">
 <!-- ========= START OF TOP NAVBAR ======= -->
 <div class="top-nav" id="navbar-top">
 <div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div>
 <ul id="navbar-top-firstrow" class="nav-list" title="Navigation">
 <li><a href="../index.html">Overview</a></li>
 <li><a href="package-summary.html">Package</a></li>
 <li>Class</li>
 <li class="nav-bar-cell1-rev">Use</li>
 <li><a href="package-tree.html">Tree</a></li>
 <li><a href="../index-files/index-1.html">Index</a></li>
 <li><a href="../help-doc.html#use">Help</a></li>
 </ul>
 </div>
 <div class="sub-nav">
 <div class="nav-list-search"><label for="search-input">SEARCH:</label>
 <input type="text" id="search-input" value="search" disabled="disabled">
 <input type="reset" id="reset-button" value="reset" disabled="disabled">
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 <!-- ========= END OF TOP NAVBAR ========= -->
 <span class="skip-nav" id="skip-navbar-top"></span></nav>
 </header>
 <div class="flex-content">
 <main role="main">
 <div class="header">
 <h1 title="Uses of Package controller" class="title">Uses of Package<br>controller</h1>
 </div>
 <div class="caption"><span>Packages that use <a href="package-summary.html">controller</a></span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Package</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><a href="#collider">collider</a></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><a href="#controller">controller</a></div>
 <div class="col-last odd-row-color">
 <div class="block">The controller package contains Object controllers that govern an objects behavior, without being
 involved in its collision or drawing properties.</div>
 </div>
 <div class="col-first even-row-color"><a href="#gameobjects">gameobjects</a></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
 <section class="package-uses">
 <ul class="block-list">
 <li>
 <section class="detail" id="collider">
 <div class="caption"><span>Classes in <a href="package-summary.html">controller</a> used by <a href="../collider/package-summary.html">collider</a></span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Class</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><a href="class-use/ObjectController.html#collider">ObjectController</a></div>
 <div class="col-last even-row-color">
 <div class="block">Class that controls the LOGICAL behavior of an object independently of how it is displayed or
 drawn.</div>
 </div>
 </div>
 </section>
 </li>
 <li>
 <section class="detail" id="controller">
 <div class="caption"><span>Classes in <a href="package-summary.html">controller</a> used by <a href="package-summary.html">controller</a></span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Class</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><a href="class-use/EgoController.html#controller">EgoController</a></div>
 <div class="col-last even-row-color">
 <div class="block">Controller using key events for up, down, left, right and space (shooting) to control the ego
 object behavior.</div>
 </div>
 <div class="col-first odd-row-color"><a href="class-use/EnemyController.html#controller">EnemyController</a></div>
 <div class="col-last odd-row-color">
 <div class="block">This class controls the space invaders.</div>
 </div>
 <div class="col-first even-row-color"><a href="class-use/ObjectController.html#controller">ObjectController</a></div>
 <div class="col-last even-row-color">
 <div class="block">Class that controls the LOGICAL behavior of an object independently of how it is displayed or
 drawn.</div>
 </div>
 </div>
 </section>
 </li>
 <li>
 <section class="detail" id="gameobjects">
 <div class="caption"><span>Classes in <a href="package-summary.html">controller</a> used by <a href="../gameobjects/package-summary.html">gameobjects</a></span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Class</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><a href="class-use/ObjectController.html#gameobjects">ObjectController</a></div>
 <div class="col-last even-row-color">
 <div class="block">Class that controls the LOGICAL behavior of an object independently of how it is displayed or
 drawn.</div>
 </div>
 </div>
 </section>
 </li>
 </ul>
 </section>
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/element-list
+++ b/doc/element-list
@ -0,0 +1,7 @@
 base
 collider
 controller
 gameobjects
 playground
 rendering
 ui
--- a/doc/gameobjects/AnimatedGameobject.html
+++ b/doc/gameobjects/AnimatedGameobject.html
@ -0,0 +1,202 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>AnimatedGameobject</title>
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 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">gameobjects</a></div>
 <h1 title="Class AnimatedGameobject" class="title">Class AnimatedGameobject</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance"><a href="GameObject.html" title="class in gameobjects">gameobjects.GameObject</a>
 <div class="inheritance">gameobjects.AnimatedGameobject</div>
 </div>
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 <section class="class-description" id="class-description">
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">AnimatedGameobject</span>
 <span class="extends-implements">extends <a href="GameObject.html" title="class in gameobjects">GameObject</a></span></div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- =========== FIELD SUMMARY =========== -->
 <li>
 <section class="field-summary" id="field-summary">
 <h2>Field Summary</h2>
 <div class="inherited-list">
 <h3 id="fields-inherited-from-class-gameobjects.GameObject">Fields inherited from class&nbsp;gameobjects.<a href="GameObject.html" title="class in gameobjects">GameObject</a></h3>
 <code><a href="GameObject.html#id">id</a>, <a href="GameObject.html#MASK">MASK</a>, <a href="GameObject.html#RADIUS">RADIUS</a>, <a href="GameObject.html#RECTANGLE">RECTANGLE</a>, <a href="GameObject.html#scol">scol</a></code></div>
 </section>
 </li>
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
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 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(java.lang.String,playground.Playground,double,double,double,double,double,playground.Animation,double,java.lang.String)" class="member-name-link">AnimatedGameobject</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../playground/Playground.html" title="class in playground">Playground</a>&nbsp;pg,
 double&nbsp;x,
 double&nbsp;y,
 double&nbsp;vx,
 double&nbsp;vy,
 double&nbsp;scale,
 <a href="../playground/Animation.html" title="class in playground">Animation</a>&nbsp;anim,
 double&nbsp;t0,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;abspielmodus)</code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
 </section>
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 <!-- ========== METHOD SUMMARY =========== -->
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 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
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 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
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 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="GameObject.html" title="class in gameobjects">GameObject</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#generateColliders()" class="member-name-link">generateColliders</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">generates and sets collider(s) for this GameObject.</div>
 </div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-gameobjects.GameObject">Methods inherited from class&nbsp;gameobjects.<a href="GameObject.html" title="class in gameobjects">GameObject</a></h3>
 <code><a href="GameObject.html#addArtist(rendering.Artist)">addArtist</a>, <a href="GameObject.html#addCollider(collider.Collider)">addCollider</a>, <a href="GameObject.html#addController(controller.ObjectController)">addController</a>, <a href="GameObject.html#collisionDetection(gameobjects.GameObject)">collisionDetection</a>, <a href="GameObject.html#draw(java.awt.Graphics2D)">draw</a>, <a href="GameObject.html#getGameTime()">getGameTime</a>, <a href="GameObject.html#getId()">getId</a>, <a href="GameObject.html#getObjectController()">getObjectController</a>, <a href="GameObject.html#getObjectFlag(java.lang.String)">getObjectFlag</a>, <a href="GameObject.html#getOrCreateObjectFlag(java.lang.String,java.lang.Object)">getOrCreateObjectFlag</a>, <a href="GameObject.html#getPlayground()">getPlayground</a>, <a href="GameObject.html#getVX()">getVX</a>, <a href="GameObject.html#getVY()">getVY</a>, <a href="GameObject.html#getX()">getX</a>, <a href="GameObject.html#getY()">getY</a>, <a href="GameObject.html#isActive()">isActive</a>, <a href="GameObject.html#setActive(boolean)">setActive</a>, <a href="GameObject.html#setColliders(java.util.LinkedList)">setColliders</a>, <a href="GameObject.html#setComponentProperty(java.lang.String,java.lang.String,java.lang.Object)">setComponentProperty</a>, <a href="GameObject.html#setObjectController(controller.ObjectController)">setObjectController</a>, <a href="GameObject.html#setObjectFlag(java.lang.String,java.lang.Object)">setObjectFlag</a>, <a href="GameObject.html#setPlayground(playground.Playground)">setPlayground</a>, <a href="GameObject.html#setVX(double)">setVX</a>, <a href="GameObject.html#setVY(double)">setVY</a>, <a href="GameObject.html#setX(double)">setX</a>, <a href="GameObject.html#setY(double)">setY</a>, <a href="GameObject.html#updateObject()">updateObject</a></code></div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;(java.lang.String,playground.Playground,double,double,double,double,double,playground.Animation,double,java.lang.String)">
 <h3>AnimatedGameobject</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">AnimatedGameobject</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../playground/Playground.html" title="class in playground">Playground</a>&nbsp;pg,
 double&nbsp;x,
 double&nbsp;y,
 double&nbsp;vx,
 double&nbsp;vy,
 double&nbsp;scale,
 <a href="../playground/Animation.html" title="class in playground">Animation</a>&nbsp;anim,
 double&nbsp;t0,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;abspielmodus)</span></div>
 </section>
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 <!-- ============ METHOD DETAIL ========== -->
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 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="generateColliders()">
 <h3>generateColliders</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="GameObject.html" title="class in gameobjects">GameObject</a></span>&nbsp;<span class="element-name">generateColliders</span>()</div>
 <div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="GameObject.html#generateColliders()">GameObject</a></code></span></div>
 <div class="block">generates and sets collider(s) for this GameObject. This implementation does nothing. Intended
 to be overridden by subclasses.</div>
 <dl class="notes">
 <dt>Overrides:</dt>
 <dd><code><a href="GameObject.html#generateColliders()">generateColliders</a></code>&nbsp;in class&nbsp;<code><a href="GameObject.html" title="class in gameobjects">GameObject</a></code></dd>
 <dt>Returns:</dt>
 <dd>instance of this GameObject (this).</dd>
 </dl>
 </section>
 </li>
 </ul>
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--- a/doc/gameobjects/EgoObject.html
+++ b/doc/gameobjects/EgoObject.html
@ -0,0 +1,196 @@
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 <h1 title="Class EgoObject" class="title">Class EgoObject</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
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 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">EgoObject</span>
 <span class="extends-implements">extends <a href="GameObject.html" title="class in gameobjects">GameObject</a></span></div>
 </section>
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 <!-- =========== FIELD SUMMARY =========== -->
 <li>
 <section class="field-summary" id="field-summary">
 <h2>Field Summary</h2>
 <div class="inherited-list">
 <h3 id="fields-inherited-from-class-gameobjects.GameObject">Fields inherited from class&nbsp;gameobjects.<a href="GameObject.html" title="class in gameobjects">GameObject</a></h3>
 <code><a href="GameObject.html#id">id</a>, <a href="GameObject.html#MASK">MASK</a>, <a href="GameObject.html#RADIUS">RADIUS</a>, <a href="GameObject.html#RECTANGLE">RECTANGLE</a>, <a href="GameObject.html#scol">scol</a></code></div>
 </section>
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 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(java.lang.String,playground.Playground,double,double,double,double,double)" class="member-name-link">EgoObject</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../playground/Playground.html" title="class in playground">Playground</a>&nbsp;pg,
 double&nbsp;x,
 double&nbsp;y,
 double&nbsp;vx,
 double&nbsp;vy,
 double&nbsp;egoRad)</code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="GameObject.html" title="class in gameobjects">GameObject</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#generateColliders()" class="member-name-link">generateColliders</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">generates and sets collider(s) for this GameObject.</div>
 </div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-gameobjects.GameObject">Methods inherited from class&nbsp;gameobjects.<a href="GameObject.html" title="class in gameobjects">GameObject</a></h3>
 <code><a href="GameObject.html#addArtist(rendering.Artist)">addArtist</a>, <a href="GameObject.html#addCollider(collider.Collider)">addCollider</a>, <a href="GameObject.html#addController(controller.ObjectController)">addController</a>, <a href="GameObject.html#collisionDetection(gameobjects.GameObject)">collisionDetection</a>, <a href="GameObject.html#draw(java.awt.Graphics2D)">draw</a>, <a href="GameObject.html#getGameTime()">getGameTime</a>, <a href="GameObject.html#getId()">getId</a>, <a href="GameObject.html#getObjectController()">getObjectController</a>, <a href="GameObject.html#getObjectFlag(java.lang.String)">getObjectFlag</a>, <a href="GameObject.html#getOrCreateObjectFlag(java.lang.String,java.lang.Object)">getOrCreateObjectFlag</a>, <a href="GameObject.html#getPlayground()">getPlayground</a>, <a href="GameObject.html#getVX()">getVX</a>, <a href="GameObject.html#getVY()">getVY</a>, <a href="GameObject.html#getX()">getX</a>, <a href="GameObject.html#getY()">getY</a>, <a href="GameObject.html#isActive()">isActive</a>, <a href="GameObject.html#setActive(boolean)">setActive</a>, <a href="GameObject.html#setColliders(java.util.LinkedList)">setColliders</a>, <a href="GameObject.html#setComponentProperty(java.lang.String,java.lang.String,java.lang.Object)">setComponentProperty</a>, <a href="GameObject.html#setObjectController(controller.ObjectController)">setObjectController</a>, <a href="GameObject.html#setObjectFlag(java.lang.String,java.lang.Object)">setObjectFlag</a>, <a href="GameObject.html#setPlayground(playground.Playground)">setPlayground</a>, <a href="GameObject.html#setVX(double)">setVX</a>, <a href="GameObject.html#setVY(double)">setVY</a>, <a href="GameObject.html#setX(double)">setX</a>, <a href="GameObject.html#setY(double)">setY</a>, <a href="GameObject.html#updateObject()">updateObject</a></code></div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;(java.lang.String,playground.Playground,double,double,double,double,double)">
 <h3>EgoObject</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">EgoObject</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../playground/Playground.html" title="class in playground">Playground</a>&nbsp;pg,
 double&nbsp;x,
 double&nbsp;y,
 double&nbsp;vx,
 double&nbsp;vy,
 double&nbsp;egoRad)</span></div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="generateColliders()">
 <h3>generateColliders</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="GameObject.html" title="class in gameobjects">GameObject</a></span>&nbsp;<span class="element-name">generateColliders</span>()</div>
 <div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="GameObject.html#generateColliders()">GameObject</a></code></span></div>
 <div class="block">generates and sets collider(s) for this GameObject. This implementation does nothing. Intended
 to be overridden by subclasses.</div>
 <dl class="notes">
 <dt>Overrides:</dt>
 <dd><code><a href="GameObject.html#generateColliders()">generateColliders</a></code>&nbsp;in class&nbsp;<code><a href="GameObject.html" title="class in gameobjects">GameObject</a></code></dd>
 <dt>Returns:</dt>
 <dd>instance of this GameObject (this).</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
 <!-- ========= END OF CLASS DATA ========= -->
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/gameobjects/FallingStar.html
+++ b/doc/gameobjects/FallingStar.html
@ -0,0 +1,156 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>FallingStar</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
 <meta name="description" content="declaration: package: gameobjects, class: FallingStar">
 <meta name="generator" content="javadoc/ClassWriterImpl">
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 loadScripts(document, 'script');</script>
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 </noscript>
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 <!-- ========= START OF TOP NAVBAR ======= -->
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 <li><a href="../help-doc.html#class">Help</a></li>
 </ul>
 </div>
 <div class="sub-nav">
 <div>
 <ul class="sub-nav-list">
 <li>Summary:&nbsp;</li>
 <li>Nested&nbsp;|&nbsp;</li>
 <li><a href="#field-summary">Field</a>&nbsp;|&nbsp;</li>
 <li><a href="#constructor-summary">Constr</a>&nbsp;|&nbsp;</li>
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 </ul>
 <ul class="sub-nav-list">
 <li>Detail:&nbsp;</li>
 <li>Field&nbsp;|&nbsp;</li>
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 <li>Method</li>
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 <div class="nav-list-search"><label for="search-input">SEARCH:</label>
 <input type="text" id="search-input" value="search" disabled="disabled">
 <input type="reset" id="reset-button" value="reset" disabled="disabled">
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 <span class="skip-nav" id="skip-navbar-top"></span></nav>
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 <main role="main">
 <!-- ======== START OF CLASS DATA ======== -->
 <div class="header">
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">gameobjects</a></div>
 <h1 title="Class FallingStar" class="title">Class FallingStar</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance"><a href="GameObject.html" title="class in gameobjects">gameobjects.GameObject</a>
 <div class="inheritance">gameobjects.FallingStar</div>
 </div>
 </div>
 <section class="class-description" id="class-description">
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">FallingStar</span>
 <span class="extends-implements">extends <a href="GameObject.html" title="class in gameobjects">GameObject</a></span></div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- =========== FIELD SUMMARY =========== -->
 <li>
 <section class="field-summary" id="field-summary">
 <h2>Field Summary</h2>
 <div class="inherited-list">
 <h3 id="fields-inherited-from-class-gameobjects.GameObject">Fields inherited from class&nbsp;gameobjects.<a href="GameObject.html" title="class in gameobjects">GameObject</a></h3>
 <code><a href="GameObject.html#id">id</a>, <a href="GameObject.html#MASK">MASK</a>, <a href="GameObject.html#RADIUS">RADIUS</a>, <a href="GameObject.html#RECTANGLE">RECTANGLE</a>, <a href="GameObject.html#scol">scol</a></code></div>
 </section>
 </li>
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(java.lang.String,playground.Playground,double,double,double,double,java.awt.Color,double)" class="member-name-link">FallingStar</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../playground/Playground.html" title="class in playground">Playground</a>&nbsp;playground,
 double&nbsp;x,
 double&nbsp;y,
 double&nbsp;vx,
 double&nbsp;vy,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/Color.html" title="class or interface in java.awt" class="external-link">Color</a>&nbsp;color,
 double&nbsp;rad)</code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-gameobjects.GameObject">Methods inherited from class&nbsp;gameobjects.<a href="GameObject.html" title="class in gameobjects">GameObject</a></h3>
 <code><a href="GameObject.html#addArtist(rendering.Artist)">addArtist</a>, <a href="GameObject.html#addCollider(collider.Collider)">addCollider</a>, <a href="GameObject.html#addController(controller.ObjectController)">addController</a>, <a href="GameObject.html#collisionDetection(gameobjects.GameObject)">collisionDetection</a>, <a href="GameObject.html#draw(java.awt.Graphics2D)">draw</a>, <a href="GameObject.html#generateColliders()">generateColliders</a>, <a href="GameObject.html#getGameTime()">getGameTime</a>, <a href="GameObject.html#getId()">getId</a>, <a href="GameObject.html#getObjectController()">getObjectController</a>, <a href="GameObject.html#getObjectFlag(java.lang.String)">getObjectFlag</a>, <a href="GameObject.html#getOrCreateObjectFlag(java.lang.String,java.lang.Object)">getOrCreateObjectFlag</a>, <a href="GameObject.html#getPlayground()">getPlayground</a>, <a href="GameObject.html#getVX()">getVX</a>, <a href="GameObject.html#getVY()">getVY</a>, <a href="GameObject.html#getX()">getX</a>, <a href="GameObject.html#getY()">getY</a>, <a href="GameObject.html#isActive()">isActive</a>, <a href="GameObject.html#setActive(boolean)">setActive</a>, <a href="GameObject.html#setColliders(java.util.LinkedList)">setColliders</a>, <a href="GameObject.html#setComponentProperty(java.lang.String,java.lang.String,java.lang.Object)">setComponentProperty</a>, <a href="GameObject.html#setObjectController(controller.ObjectController)">setObjectController</a>, <a href="GameObject.html#setObjectFlag(java.lang.String,java.lang.Object)">setObjectFlag</a>, <a href="GameObject.html#setPlayground(playground.Playground)">setPlayground</a>, <a href="GameObject.html#setVX(double)">setVX</a>, <a href="GameObject.html#setVY(double)">setVY</a>, <a href="GameObject.html#setX(double)">setX</a>, <a href="GameObject.html#setY(double)">setY</a>, <a href="GameObject.html#updateObject()">updateObject</a></code></div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;(java.lang.String,playground.Playground,double,double,double,double,java.awt.Color,double)">
 <h3>FallingStar</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">FallingStar</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../playground/Playground.html" title="class in playground">Playground</a>&nbsp;playground,
 double&nbsp;x,
 double&nbsp;y,
 double&nbsp;vx,
 double&nbsp;vy,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/Color.html" title="class or interface in java.awt" class="external-link">Color</a>&nbsp;color,
 double&nbsp;rad)</span></div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
 <!-- ========= END OF CLASS DATA ========= -->
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/gameobjects/GameObject.html
+++ b/doc/gameobjects/GameObject.html
@ -0,0 +1,740 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>GameObject</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
 <meta name="description" content="declaration: package: gameobjects, class: GameObject">
 <meta name="generator" content="javadoc/ClassWriterImpl">
 <link rel="stylesheet" type="text/css" href="../stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../script-dir/jquery-ui.min.css" title="Style">
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 <script type="text/javascript" src="../script.js"></script>
 <script type="text/javascript" src="../script-dir/jquery-3.5.1.min.js"></script>
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 </head>
 <body class="class-declaration-page">
 <script type="text/javascript">var evenRowColor = "even-row-color";
 var oddRowColor = "odd-row-color";
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 var activeTableTab = "active-table-tab";
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 loadScripts(document, 'script');</script>
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 <!-- ======== START OF CLASS DATA ======== -->
 <div class="header">
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">gameobjects</a></div>
 <h1 title="Class GameObject" class="title">Class GameObject</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance">gameobjects.GameObject</div>
 </div>
 <section class="class-description" id="class-description">
 <dl class="notes">
 <dt>Direct Known Subclasses:</dt>
 <dd><code><a href="AnimatedGameobject.html" title="class in gameobjects">AnimatedGameobject</a></code>, <code><a href="EgoObject.html" title="class in gameobjects">EgoObject</a></code>, <code><a href="FallingStar.html" title="class in gameobjects">FallingStar</a></code>, <code><a href="RectObject.html" title="class in gameobjects">RectObject</a></code>, <code><a href="TextObject.html" title="class in gameobjects">TextObject</a></code></dd>
 </dl>
 <hr>
 <div class="type-signature"><span class="modifiers">public abstract class </span><span class="element-name type-name-label">GameObject</span>
 <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span></div>
 <div class="block">The class <a href="GameObject.html" title="class in gameobjects"><code>GameObject</code></a> represents a (possibly animated) object appearing in a level of the
 game. It is therefore attached to an instance of the class <a href="../playground/Playground.html" title="class in playground"><code>Playground</code></a>. A GameObject has
 at least the following properties:
 <ul>
 <li>2D screen position
 <li>2D speed
 <li>a name that is unique within a certain <a href="../playground/Playground.html" title="class in playground"><code>Playground</code></a><br>
 <li>a reference to the <a href="../playground/Playground.html" title="class in playground"><code>Playground</code></a> object it belongs to<br>
 <li>a reference to an instance of <a href="../controller/ObjectController.html" title="class in controller"><code>ObjectController</code></a> that handles the movement
 logic of the object<br>
 <li>a (circular) radius for simple collision checking. This may be handled differently in
 subclasses<br>
 </ul>
 The main task of GameObject, or its subclasses, is to draw the object on the screen, which is
 handles by the <a href="#draw(java.awt.Graphics2D)"><code>draw(Graphics2D)</code></a> method. It is this method that must be redefined if a
 new appearance should be realized. For introducing new behavior, it is sufficient to supply a
 different <a href="../controller/ObjectController.html" title="class in controller"><code>ObjectController</code></a> instance when constructing a GameObject.</div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- =========== FIELD SUMMARY =========== -->
 <li>
 <section class="field-summary" id="field-summary">
 <h2>Field Summary</h2>
 <div class="caption"><span>Fields</span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Field</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
 <div class="col-second even-row-color"><code><a href="#id" class="member-name-link">id</a></code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><code>static final int</code></div>
 <div class="col-second odd-row-color"><code><a href="#MASK" class="member-name-link">MASK</a></code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 <div class="col-first even-row-color"><code>static final int</code></div>
 <div class="col-second even-row-color"><code><a href="#RADIUS" class="member-name-link">RADIUS</a></code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><code>static final int</code></div>
 <div class="col-second odd-row-color"><code><a href="#RECTANGLE" class="member-name-link">RECTANGLE</a></code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 <div class="col-first even-row-color"><code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/util/LinkedList.html" title="class or interface in java.util" class="external-link">LinkedList</a>&lt;<a href="../collider/Collider.html" title="class in collider">Collider</a>&gt;</code></div>
 <div class="col-second even-row-color"><code><a href="#scol" class="member-name-link">scol</a></code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
 </section>
 </li>
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(java.lang.String,playground.Playground,double,double,double,double)" class="member-name-link">GameObject</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../playground/Playground.html" title="class in playground">Playground</a>&nbsp;playground,
 double&nbsp;x,
 double&nbsp;y,
 double&nbsp;vx,
 double&nbsp;vy)</code></div>
 <div class="col-last even-row-color">
 <div class="block">Constructor to initialize a GameObject, respectively set the current <a href="../playground/Playground.html" title="class in playground"><code>Playground</code></a>
 instance this GameObject belongs to.</div>
 </div>
 <div class="col-constructor-name odd-row-color"><code><a href="#%3Cinit%3E(java.lang.String,playground.Playground,controller.ObjectController,double,double,double,double)" class="member-name-link">GameObject</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../playground/Playground.html" title="class in playground">Playground</a>&nbsp;playground,
 <a href="../controller/ObjectController.html" title="class in controller">ObjectController</a>&nbsp;controller,
 double&nbsp;x,
 double&nbsp;y,
 double&nbsp;vx,
 double&nbsp;vy)</code></div>
 <div class="col-last odd-row-color">
 <div class="block">Constructor to initialize a GameObject, respectively set the current Playground instance this
 GameObject belongs to.</div>
 </div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="GameObject.html" title="class in gameobjects">GameObject</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#addArtist(rendering.Artist)" class="member-name-link">addArtist</a><wbr>(<a href="../rendering/Artist.html" title="class in rendering">Artist</a>&nbsp;a)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Sets the artist to be used for drawing the object onto visible canvas area.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#addCollider(collider.Collider)" class="member-name-link">addCollider</a><wbr>(<a href="../collider/Collider.html" title="class in collider">Collider</a>&nbsp;c)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">saves the collider in the internal list of Colliders to be used for this GameObject.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="GameObject.html" title="class in gameobjects">GameObject</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#addController(controller.ObjectController)" class="member-name-link">addController</a><wbr>(<a href="../controller/ObjectController.html" title="class in controller">ObjectController</a>&nbsp;c)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Sets the controller to use for this GameObject's logical behavior.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#collisionDetection(gameobjects.GameObject)" class="member-name-link">collisionDetection</a><wbr>(<a href="GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;other)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Collision detection implemented by iteration through the own list of <a href="../collider/Collider.html" title="class in collider"><code>Collider</code></a>
 and calling their <a href="../collider/Collider.html#collidesWith(collider.Collider)"><code>Collider.collidesWith(Collider)</code></a> method to check collision
 with the given parameter instance of other <a href="GameObject.html" title="class in gameobjects"><code>GameObject</code></a>.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#draw(java.awt.Graphics2D)" class="member-name-link">draw</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/Graphics2D.html" title="class or interface in java.awt" class="external-link">Graphics2D</a>&nbsp;g)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Draws the object in its current state.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="GameObject.html" title="class in gameobjects">GameObject</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#generateColliders()" class="member-name-link">generateColliders</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">generates and sets collider(s) for this GameObject.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>double</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getGameTime()" class="member-name-link">getGameTime</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getId()" class="member-name-link">getId</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">return the unique object ID.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../controller/ObjectController.html" title="class in controller">ObjectController</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getObjectController()" class="member-name-link">getObjectController</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Access to object controller.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getObjectFlag(java.lang.String)" class="member-name-link">getObjectFlag</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;flag)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getOrCreateObjectFlag(java.lang.String,java.lang.Object)" class="member-name-link">getOrCreateObjectFlag</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;flag,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&nbsp;createValue)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../playground/Playground.html" title="class in playground">Playground</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getPlayground()" class="member-name-link">getPlayground</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>double</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getVX()" class="member-name-link">getVX</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">gets the screen X speed in pixels per frame.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>double</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getVY()" class="member-name-link">getVY</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">gets the screen Y speed in pixels per frame.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>double</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getX()" class="member-name-link">getX</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">gets the screen X position.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>double</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getY()" class="member-name-link">getY</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">gets the screen Y position.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isActive()" class="member-name-link">isActive</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="GameObject.html" title="class in gameobjects">GameObject</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setActive(boolean)" class="member-name-link">setActive</a><wbr>(boolean&nbsp;flag)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setColliders(java.util.LinkedList)" class="member-name-link">setColliders</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/util/LinkedList.html" title="class or interface in java.util" class="external-link">LinkedList</a>&lt;<a href="../collider/Collider.html" title="class in collider">Collider</a>&gt;&nbsp;l)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">sets colliders.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setComponentProperty(java.lang.String,java.lang.String,java.lang.Object)" class="member-name-link">setComponentProperty</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;comp,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;property,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&nbsp;value)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">calls via reflection a method of a component if this GameObjects instance and provides the
 given value as String parameter.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setObjectController(controller.ObjectController)" class="member-name-link">setObjectController</a><wbr>(<a href="../controller/ObjectController.html" title="class in controller">ObjectController</a>&nbsp;controller)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Sets a new object controller (replaces any former one).</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setObjectFlag(java.lang.String,java.lang.Object)" class="member-name-link">setObjectFlag</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;flag,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&nbsp;value)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setPlayground(playground.Playground)" class="member-name-link">setPlayground</a><wbr>(<a href="../playground/Playground.html" title="class in playground">Playground</a>&nbsp;playground)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setVX(double)" class="member-name-link">setVX</a><wbr>(double&nbsp;vx)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">set screen x speed in pixel per frame</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setVY(double)" class="member-name-link">setVY</a><wbr>(double&nbsp;vy)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">set screen y speed in pixel per frame.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setX(double)" class="member-name-link">setX</a><wbr>(double&nbsp;x)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">set screen x position.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setY(double)" class="member-name-link">setY</a><wbr>(double&nbsp;y)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">set screen y position.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#updateObject()" class="member-name-link">updateObject</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">triggers this GameObjects own controller (if set) to update the object.</div>
 </div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ============ FIELD DETAIL =========== -->
 <li>
 <section class="field-details" id="field-detail">
 <h2>Field Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="RADIUS">
 <h3>RADIUS</h3>
 <div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">RADIUS</span></div>
 <dl class="notes">
 <dt>See Also:</dt>
 <dd>
 <ul class="see-list">
 <li><a href="../constant-values.html#gameobjects.GameObject.RADIUS">Constant Field Values</a></li>
 </ul>
 </dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="RECTANGLE">
 <h3>RECTANGLE</h3>
 <div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">RECTANGLE</span></div>
 <dl class="notes">
 <dt>See Also:</dt>
 <dd>
 <ul class="see-list">
 <li><a href="../constant-values.html#gameobjects.GameObject.RECTANGLE">Constant Field Values</a></li>
 </ul>
 </dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="MASK">
 <h3>MASK</h3>
 <div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">MASK</span></div>
 <dl class="notes">
 <dt>See Also:</dt>
 <dd>
 <ul class="see-list">
 <li><a href="../constant-values.html#gameobjects.GameObject.MASK">Constant Field Values</a></li>
 </ul>
 </dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="id">
 <h3>id</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">id</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="scol">
 <h3>scol</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/util/LinkedList.html" title="class or interface in java.util" class="external-link">LinkedList</a>&lt;<a href="../collider/Collider.html" title="class in collider">Collider</a>&gt;</span>&nbsp;<span class="element-name">scol</span></div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;(java.lang.String,playground.Playground,double,double,double,double)">
 <h3>GameObject</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">GameObject</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../playground/Playground.html" title="class in playground">Playground</a>&nbsp;playground,
 double&nbsp;x,
 double&nbsp;y,
 double&nbsp;vx,
 double&nbsp;vy)</span></div>
 <div class="block">Constructor to initialize a GameObject, respectively set the current <a href="../playground/Playground.html" title="class in playground"><code>Playground</code></a>
 instance this GameObject belongs to.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>id</code> - unique ID for this GameObject (should not be null or empty String)</dd>
 <dd><code>playground</code> - the Playground the GameObject belongs to (should not be null)</dd>
 <dd><code>x</code> - initial screen position in direction horizontal (positive value including zero)</dd>
 <dd><code>y</code> - initial screen position in direction vertical (positive value including zero)</dd>
 <dd><code>vx</code> - initial speed (velocity) in direction horizontal (can be negative, zero, positive)</dd>
 <dd><code>vy</code> - initial speed (velocity) in direction horizontal (can be negative, zero, positive)</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="&lt;init&gt;(java.lang.String,playground.Playground,controller.ObjectController,double,double,double,double)">
 <h3>GameObject</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">GameObject</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../playground/Playground.html" title="class in playground">Playground</a>&nbsp;playground,
 <a href="../controller/ObjectController.html" title="class in controller">ObjectController</a>&nbsp;controller,
 double&nbsp;x,
 double&nbsp;y,
 double&nbsp;vx,
 double&nbsp;vy)</span></div>
 <div class="block">Constructor to initialize a GameObject, respectively set the current Playground instance this
 GameObject belongs to.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>id</code> - unique ID for this GameObject (should not be null or empty String)</dd>
 <dd><code>playground</code> - the Playground the GameObject belongs to (should not be null)</dd>
 <dd><code>controller</code> - controller instance to be used for this GameObject (can be null)</dd>
 <dd><code>x</code> - initial screen position in direction horizontal (positive value including zero)</dd>
 <dd><code>y</code> - initial screen position in direction vertical (positive value including zero)</dd>
 <dd><code>vx</code> - initial speed (velocity) in direction horizontal (can be negative, zero, positive)</dd>
 <dd><code>vy</code> - initial speed (velocity) in direction horizontal (can be negative, zero, positive)</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="setColliders(java.util.LinkedList)">
 <h3>setColliders</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setColliders</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/util/LinkedList.html" title="class or interface in java.util" class="external-link">LinkedList</a>&lt;<a href="../collider/Collider.html" title="class in collider">Collider</a>&gt;&nbsp;l)</span></div>
 <div class="block">sets colliders.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>l</code> - LinkedList of Colliders.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="generateColliders()">
 <h3>generateColliders</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="GameObject.html" title="class in gameobjects">GameObject</a></span>&nbsp;<span class="element-name">generateColliders</span>()</div>
 <div class="block">generates and sets collider(s) for this GameObject. This implementation does nothing. Intended
 to be overridden by subclasses.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>instance of this GameObject (this).</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="addController(controller.ObjectController)">
 <h3>addController</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="GameObject.html" title="class in gameobjects">GameObject</a></span>&nbsp;<span class="element-name">addController</span><wbr><span class="parameters">(<a href="../controller/ObjectController.html" title="class in controller">ObjectController</a>&nbsp;c)</span></div>
 <div class="block">Sets the controller to use for this GameObject's logical behavior.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>c</code> - instance to be used.</dd>
 <dt>Returns:</dt>
 <dd>the current instance (this).</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="addArtist(rendering.Artist)">
 <h3>addArtist</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="GameObject.html" title="class in gameobjects">GameObject</a></span>&nbsp;<span class="element-name">addArtist</span><wbr><span class="parameters">(<a href="../rendering/Artist.html" title="class in rendering">Artist</a>&nbsp;a)</span></div>
 <div class="block">Sets the artist to be used for drawing the object onto visible canvas area.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>a</code> - instance to be used for calling <a href="../rendering/Artist.html#draw(java.awt.Graphics2D)"><code>Artist.draw(Graphics2D)</code></a>.</dd>
 <dt>Returns:</dt>
 <dd>the current instance (this).</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="addCollider(collider.Collider)">
 <h3>addCollider</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">addCollider</span><wbr><span class="parameters">(<a href="../collider/Collider.html" title="class in collider">Collider</a>&nbsp;c)</span></div>
 <div class="block">saves the collider in the internal list of Colliders to be used for this GameObject.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>c</code> - instance to be added to internal list</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getPlayground()">
 <h3>getPlayground</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../playground/Playground.html" title="class in playground">Playground</a></span>&nbsp;<span class="element-name">getPlayground</span>()</div>
 </section>
 </li>
 <li>
 <section class="detail" id="setPlayground(playground.Playground)">
 <h3>setPlayground</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setPlayground</span><wbr><span class="parameters">(<a href="../playground/Playground.html" title="class in playground">Playground</a>&nbsp;playground)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="setComponentProperty(java.lang.String,java.lang.String,java.lang.Object)">
 <h3>setComponentProperty</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setComponentProperty</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;comp,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;property,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&nbsp;value)</span></div>
 <div class="block">calls via reflection a method of a component if this GameObjects instance and provides the
 given value as String parameter.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>comp</code> - class name of GameObject component. Currently only "controller" is supported,
        otherwise nothing happens.</dd>
 <dd><code>property</code> - method name of the component to call.</dd>
 <dd><code>value</code> - argument to pass to the method as String parameter.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="setObjectFlag(java.lang.String,java.lang.Object)">
 <h3>setObjectFlag</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setObjectFlag</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;flag,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&nbsp;value)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="getObjectFlag(java.lang.String)">
 <h3>getObjectFlag</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span>&nbsp;<span class="element-name">getObjectFlag</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;flag)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="getOrCreateObjectFlag(java.lang.String,java.lang.Object)">
 <h3>getOrCreateObjectFlag</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span>&nbsp;<span class="element-name">getOrCreateObjectFlag</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;flag,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&nbsp;createValue)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="isActive()">
 <h3>isActive</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isActive</span>()</div>
 </section>
 </li>
 <li>
 <section class="detail" id="setActive(boolean)">
 <h3>setActive</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="GameObject.html" title="class in gameobjects">GameObject</a></span>&nbsp;<span class="element-name">setActive</span><wbr><span class="parameters">(boolean&nbsp;flag)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="getId()">
 <h3>getId</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">getId</span>()</div>
 <div class="block">return the unique object ID.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>unique object ID</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getX()">
 <h3>getX</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">getX</span>()</div>
 <div class="block">gets the screen X position.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>screen x position</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getY()">
 <h3>getY</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">getY</span>()</div>
 <div class="block">gets the screen Y position.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>screen Y position</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getVX()">
 <h3>getVX</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">getVX</span>()</div>
 <div class="block">gets the screen X speed in pixels per frame.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>screen x speed</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getVY()">
 <h3>getVY</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">getVY</span>()</div>
 <div class="block">gets the screen Y speed in pixels per frame.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>screen y speed</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="setX(double)">
 <h3>setX</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setX</span><wbr><span class="parameters">(double&nbsp;x)</span></div>
 <div class="block">set screen x position.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>x</code> - new position</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="setY(double)">
 <h3>setY</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setY</span><wbr><span class="parameters">(double&nbsp;y)</span></div>
 <div class="block">set screen y position.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>y</code> - new position</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="setVX(double)">
 <h3>setVX</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setVX</span><wbr><span class="parameters">(double&nbsp;vx)</span></div>
 <div class="block">set screen x speed in pixel per frame</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>vx</code> - new x speed</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="setVY(double)">
 <h3>setVY</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setVY</span><wbr><span class="parameters">(double&nbsp;vy)</span></div>
 <div class="block">set screen y speed in pixel per frame.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>vy</code> - new y speed.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="setObjectController(controller.ObjectController)">
 <h3>setObjectController</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setObjectController</span><wbr><span class="parameters">(<a href="../controller/ObjectController.html" title="class in controller">ObjectController</a>&nbsp;controller)</span></div>
 <div class="block">Sets a new object controller (replaces any former one).</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>controller</code> - An instance of <a href="../controller/ObjectController.html" title="class in controller"><code>ObjectController</code></a> or one of its subclasses.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getObjectController()">
 <h3>getObjectController</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../controller/ObjectController.html" title="class in controller">ObjectController</a></span>&nbsp;<span class="element-name">getObjectController</span>()</div>
 <div class="block">Access to object controller.</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>the controller for this object.</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getGameTime()">
 <h3>getGameTime</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">getGameTime</span>()</div>
 </section>
 </li>
 <li>
 <section class="detail" id="collisionDetection(gameobjects.GameObject)">
 <h3>collisionDetection</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">collisionDetection</span><wbr><span class="parameters">(<a href="GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;other)</span></div>
 <div class="block">Collision detection implemented by iteration through the own list of <a href="../collider/Collider.html" title="class in collider"><code>Collider</code></a>
 and calling their <a href="../collider/Collider.html#collidesWith(collider.Collider)"><code>Collider.collidesWith(Collider)</code></a> method to check collision
 with the given parameter instance of other <a href="GameObject.html" title="class in gameobjects"><code>GameObject</code></a>.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>other</code> - instance of the other GameObject to check collision with</dd>
 <dt>Returns:</dt>
 <dd>true if collision is detected, false otherwise</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="updateObject()">
 <h3>updateObject</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">updateObject</span>()</div>
 <div class="block">triggers this GameObjects own controller (if set) to update the object.</div>
 <dl class="notes">
 <dt>See Also:</dt>
 <dd>
 <ul class="see-list">
 <li><code>controller</code></li>
 </ul>
 </dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="draw(java.awt.Graphics2D)">
 <h3>draw</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">draw</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/Graphics2D.html" title="class or interface in java.awt" class="external-link">Graphics2D</a>&nbsp;g)</span></div>
 <div class="block">Draws the object in its current state. Is called by the game engine, should NOT be called
 otherwise.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>g</code> - object that has all the necessary drawing functionalities</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
 <!-- ========= END OF CLASS DATA ========= -->
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/gameobjects/RectObject.html
+++ b/doc/gameobjects/RectObject.html
@ -0,0 +1,251 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>RectObject</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
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 <meta name="generator" content="javadoc/ClassWriterImpl">
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 <!-- ======== START OF CLASS DATA ======== -->
 <div class="header">
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">gameobjects</a></div>
 <h1 title="Class RectObject" class="title">Class RectObject</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance"><a href="GameObject.html" title="class in gameobjects">gameobjects.GameObject</a>
 <div class="inheritance">gameobjects.RectObject</div>
 </div>
 </div>
 <section class="class-description" id="class-description">
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">RectObject</span>
 <span class="extends-implements">extends <a href="GameObject.html" title="class in gameobjects">GameObject</a></span></div>
 <div class="block">A rectangle object. <br>
 If <a href="#generateColliders()"><code>generateColliders()</code></a> is called, it generates a RectCollider with id-prefix
 "shotcollider_" and registers it for this RectObject.</div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- =========== FIELD SUMMARY =========== -->
 <li>
 <section class="field-summary" id="field-summary">
 <h2>Field Summary</h2>
 <div class="inherited-list">
 <h3 id="fields-inherited-from-class-gameobjects.GameObject">Fields inherited from class&nbsp;gameobjects.<a href="GameObject.html" title="class in gameobjects">GameObject</a></h3>
 <code><a href="GameObject.html#id">id</a>, <a href="GameObject.html#MASK">MASK</a>, <a href="GameObject.html#RADIUS">RADIUS</a>, <a href="GameObject.html#RECTANGLE">RECTANGLE</a>, <a href="GameObject.html#scol">scol</a></code></div>
 </section>
 </li>
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(java.lang.String,playground.Playground,double,double,double,double,double,double,java.awt.Color)" class="member-name-link">RectObject</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../playground/Playground.html" title="class in playground">Playground</a>&nbsp;pg,
 double&nbsp;x,
 double&nbsp;y,
 double&nbsp;vx,
 double&nbsp;vy,
 double&nbsp;width,
 double&nbsp;height,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/Color.html" title="class or interface in java.awt" class="external-link">Color</a>&nbsp;color)</code></div>
 <div class="col-last even-row-color">
 <div class="block">Initializes the RectObject with a suitable RectArtist for drawing the RectObject.</div>
 </div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="RectObject.html" title="class in gameobjects">RectObject</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#generateColliders()" class="member-name-link">generateColliders</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">generates a new <a href="../collider/RectCollider.html" title="class in collider"><code>RectCollider</code></a> with id-prefix "shotcollider_" and registers it for 'this'
 [@link RectObject}.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>double</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getHeight()" class="member-name-link">getHeight</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Getter for the height</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>double</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getWidth()" class="member-name-link">getWidth</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Getter for the width</div>
 </div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-gameobjects.GameObject">Methods inherited from class&nbsp;gameobjects.<a href="GameObject.html" title="class in gameobjects">GameObject</a></h3>
 <code><a href="GameObject.html#addArtist(rendering.Artist)">addArtist</a>, <a href="GameObject.html#addCollider(collider.Collider)">addCollider</a>, <a href="GameObject.html#addController(controller.ObjectController)">addController</a>, <a href="GameObject.html#collisionDetection(gameobjects.GameObject)">collisionDetection</a>, <a href="GameObject.html#draw(java.awt.Graphics2D)">draw</a>, <a href="GameObject.html#getGameTime()">getGameTime</a>, <a href="GameObject.html#getId()">getId</a>, <a href="GameObject.html#getObjectController()">getObjectController</a>, <a href="GameObject.html#getObjectFlag(java.lang.String)">getObjectFlag</a>, <a href="GameObject.html#getOrCreateObjectFlag(java.lang.String,java.lang.Object)">getOrCreateObjectFlag</a>, <a href="GameObject.html#getPlayground()">getPlayground</a>, <a href="GameObject.html#getVX()">getVX</a>, <a href="GameObject.html#getVY()">getVY</a>, <a href="GameObject.html#getX()">getX</a>, <a href="GameObject.html#getY()">getY</a>, <a href="GameObject.html#isActive()">isActive</a>, <a href="GameObject.html#setActive(boolean)">setActive</a>, <a href="GameObject.html#setColliders(java.util.LinkedList)">setColliders</a>, <a href="GameObject.html#setComponentProperty(java.lang.String,java.lang.String,java.lang.Object)">setComponentProperty</a>, <a href="GameObject.html#setObjectController(controller.ObjectController)">setObjectController</a>, <a href="GameObject.html#setObjectFlag(java.lang.String,java.lang.Object)">setObjectFlag</a>, <a href="GameObject.html#setPlayground(playground.Playground)">setPlayground</a>, <a href="GameObject.html#setVX(double)">setVX</a>, <a href="GameObject.html#setVY(double)">setVY</a>, <a href="GameObject.html#setX(double)">setX</a>, <a href="GameObject.html#setY(double)">setY</a>, <a href="GameObject.html#updateObject()">updateObject</a></code></div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;(java.lang.String,playground.Playground,double,double,double,double,double,double,java.awt.Color)">
 <h3>RectObject</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">RectObject</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../playground/Playground.html" title="class in playground">Playground</a>&nbsp;pg,
 double&nbsp;x,
 double&nbsp;y,
 double&nbsp;vx,
 double&nbsp;vy,
 double&nbsp;width,
 double&nbsp;height,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/Color.html" title="class or interface in java.awt" class="external-link">Color</a>&nbsp;color)</span></div>
 <div class="block">Initializes the RectObject with a suitable RectArtist for drawing the RectObject.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>id</code> - String unique name to be used.</dd>
 <dd><code>pg</code> - <a href="../playground/Playground.html" title="class in playground"><code>Playground</code></a> instance this RectObject belongs to (the level it belongs to).</dd>
 <dd><code>x</code> - position in horizontal direction in pixels (zero or positive number).</dd>
 <dd><code>y</code> - position in vertical direction in pixels (zero or positive number).</dd>
 <dd><code>vx</code> - speed/velocity in horizontal direction in pixels (negative, zero or positive number).</dd>
 <dd><code>vy</code> - speed/velocity in vertical direction in pixels (negative, zero or positive number).</dd>
 <dd><code>width</code> - in pixels</dd>
 <dd><code>height</code> - in pixels</dd>
 <dd><code>color</code> - solid color for the whole object, used to initialize an instance of
        <a href="../rendering/RectArtist.html" title="class in rendering"><code>RectArtist</code></a> used for this RectObject.</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="generateColliders()">
 <h3>generateColliders</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="RectObject.html" title="class in gameobjects">RectObject</a></span>&nbsp;<span class="element-name">generateColliders</span>()</div>
 <div class="block">generates a new <a href="../collider/RectCollider.html" title="class in collider"><code>RectCollider</code></a> with id-prefix "shotcollider_" and registers it for 'this'
 [@link RectObject}. The <a href="../collider/RectCollider.html" title="class in collider"><code>RectCollider</code></a> uses the same dimensions (<code>width</code> and <code>height</code>) as this RectObject.</div>
 <dl class="notes">
 <dt>Overrides:</dt>
 <dd><code><a href="GameObject.html#generateColliders()">generateColliders</a></code>&nbsp;in class&nbsp;<code><a href="GameObject.html" title="class in gameobjects">GameObject</a></code></dd>
 <dt>Returns:</dt>
 <dd>this RectObject itself</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getWidth()">
 <h3>getWidth</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">getWidth</span>()</div>
 <div class="block">Getter for the width</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>double width value as set by constructor</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="getHeight()">
 <h3>getHeight</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name">getHeight</span>()</div>
 <div class="block">Getter for the height</div>
 <dl class="notes">
 <dt>Returns:</dt>
 <dd>double height value as set by constructor</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
 <!-- ========= END OF CLASS DATA ========= -->
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/gameobjects/TextObject.html
+++ b/doc/gameobjects/TextObject.html
@ -0,0 +1,237 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
 <title>TextObject</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <meta name="dc.created" content="2022-05-12">
 <meta name="description" content="declaration: package: gameobjects, class: TextObject">
 <meta name="generator" content="javadoc/ClassWriterImpl">
 <link rel="stylesheet" type="text/css" href="../stylesheet.css" title="Style">
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 <script type="text/javascript" src="../script.js"></script>
 <script type="text/javascript" src="../script-dir/jquery-3.5.1.min.js"></script>
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 </head>
 <body class="class-declaration-page">
 <script type="text/javascript">var evenRowColor = "even-row-color";
 var oddRowColor = "odd-row-color";
 var tableTab = "table-tab";
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 loadScripts(document, 'script');</script>
 <noscript>
 <div>JavaScript is disabled on your browser.</div>
 </noscript>
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 <!-- ========= START OF TOP NAVBAR ======= -->
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 <div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div>
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 <li><a href="../index.html">Overview</a></li>
 <li><a href="package-summary.html">Package</a></li>
 <li class="nav-bar-cell1-rev">Class</li>
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 <div class="sub-nav">
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 <ul class="sub-nav-list">
 <li>Summary:&nbsp;</li>
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 <input type="text" id="search-input" value="search" disabled="disabled">
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 </header>
 <div class="flex-content">
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 <!-- ======== START OF CLASS DATA ======== -->
 <div class="header">
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">gameobjects</a></div>
 <h1 title="Class TextObject" class="title">Class TextObject</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance"><a href="GameObject.html" title="class in gameobjects">gameobjects.GameObject</a>
 <div class="inheritance">gameobjects.TextObject</div>
 </div>
 </div>
 <section class="class-description" id="class-description">
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">TextObject</span>
 <span class="extends-implements">extends <a href="GameObject.html" title="class in gameobjects">GameObject</a></span></div>
 <div class="block">Convenience Class subclassing <a href="GameObject.html" title="class in gameobjects"><code>GameObject</code></a>, directly instanciating <a href="../rendering/TextArtist.html" title="class in rendering"><code>TextArtist</code></a> a
 subclass of <a href="../rendering/Artist.html" title="class in rendering"><code>Artist</code></a> that draws a text. The controller is left undefined, the collider as
 well. However, a single call to the overwritten method <a href="#generateColliders()"><code>generateColliders()</code></a> will in fact
 generate a <a href="../collider/RectCollider.html" title="class in collider"><code>RectCollider</code></a> of just the right size for the text.</div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- =========== FIELD SUMMARY =========== -->
 <li>
 <section class="field-summary" id="field-summary">
 <h2>Field Summary</h2>
 <div class="inherited-list">
 <h3 id="fields-inherited-from-class-gameobjects.GameObject">Fields inherited from class&nbsp;gameobjects.<a href="GameObject.html" title="class in gameobjects">GameObject</a></h3>
 <code><a href="GameObject.html#id">id</a>, <a href="GameObject.html#MASK">MASK</a>, <a href="GameObject.html#RADIUS">RADIUS</a>, <a href="GameObject.html#RECTANGLE">RECTANGLE</a>, <a href="GameObject.html#scol">scol</a></code></div>
 </section>
 </li>
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(java.lang.String,playground.Playground,double,double,double,double,java.lang.String,int,java.awt.Color)" class="member-name-link">TextObject</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../playground/Playground.html" title="class in playground">Playground</a>&nbsp;playground,
 double&nbsp;x,
 double&nbsp;y,
 double&nbsp;vx,
 double&nbsp;vy,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;text,
 int&nbsp;size,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/Color.html" title="class or interface in java.awt" class="external-link">Color</a>&nbsp;textColor)</code></div>
 <div class="col-last even-row-color">
 <div class="block">Constructor.</div>
 </div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="TextObject.html" title="class in gameobjects">TextObject</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#generateColliders()" class="member-name-link">generateColliders</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">generates and sets collider(s) for this GameObject.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getText()" class="member-name-link">getText</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setText(java.lang.String)" class="member-name-link">setText</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;s)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-gameobjects.GameObject">Methods inherited from class&nbsp;gameobjects.<a href="GameObject.html" title="class in gameobjects">GameObject</a></h3>
 <code><a href="GameObject.html#addArtist(rendering.Artist)">addArtist</a>, <a href="GameObject.html#addCollider(collider.Collider)">addCollider</a>, <a href="GameObject.html#addController(controller.ObjectController)">addController</a>, <a href="GameObject.html#collisionDetection(gameobjects.GameObject)">collisionDetection</a>, <a href="GameObject.html#draw(java.awt.Graphics2D)">draw</a>, <a href="GameObject.html#getGameTime()">getGameTime</a>, <a href="GameObject.html#getId()">getId</a>, <a href="GameObject.html#getObjectController()">getObjectController</a>, <a href="GameObject.html#getObjectFlag(java.lang.String)">getObjectFlag</a>, <a href="GameObject.html#getOrCreateObjectFlag(java.lang.String,java.lang.Object)">getOrCreateObjectFlag</a>, <a href="GameObject.html#getPlayground()">getPlayground</a>, <a href="GameObject.html#getVX()">getVX</a>, <a href="GameObject.html#getVY()">getVY</a>, <a href="GameObject.html#getX()">getX</a>, <a href="GameObject.html#getY()">getY</a>, <a href="GameObject.html#isActive()">isActive</a>, <a href="GameObject.html#setActive(boolean)">setActive</a>, <a href="GameObject.html#setColliders(java.util.LinkedList)">setColliders</a>, <a href="GameObject.html#setComponentProperty(java.lang.String,java.lang.String,java.lang.Object)">setComponentProperty</a>, <a href="GameObject.html#setObjectController(controller.ObjectController)">setObjectController</a>, <a href="GameObject.html#setObjectFlag(java.lang.String,java.lang.Object)">setObjectFlag</a>, <a href="GameObject.html#setPlayground(playground.Playground)">setPlayground</a>, <a href="GameObject.html#setVX(double)">setVX</a>, <a href="GameObject.html#setVY(double)">setVY</a>, <a href="GameObject.html#setX(double)">setX</a>, <a href="GameObject.html#setY(double)">setY</a>, <a href="GameObject.html#updateObject()">updateObject</a></code></div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;(java.lang.String,playground.Playground,double,double,double,double,java.lang.String,int,java.awt.Color)">
 <h3>TextObject</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">TextObject</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../playground/Playground.html" title="class in playground">Playground</a>&nbsp;playground,
 double&nbsp;x,
 double&nbsp;y,
 double&nbsp;vx,
 double&nbsp;vy,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;text,
 int&nbsp;size,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/Color.html" title="class or interface in java.awt" class="external-link">Color</a>&nbsp;textColor)</span></div>
 <div class="block">Constructor.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>id</code> - object name</dd>
 <dd><code>playground</code> - containing <a href="../playground/Playground.html" title="class in playground"><code>Playground</code></a> instance</dd>
 <dd><code>x</code> - positionx</dd>
 <dd><code>y</code> - positiony</dd>
 <dd><code>vx</code> - speedx</dd>
 <dd><code>vy</code> - speedy</dd>
 <dd><code>size</code> - font size in Pixel</dd>
 <dd><code>text</code> - String to be displayed</dd>
 <dd><code>textColor</code> - text color, see java.awt.Color</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="getText()">
 <h3>getText</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">getText</span>()</div>
 </section>
 </li>
 <li>
 <section class="detail" id="setText(java.lang.String)">
 <h3>setText</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">setText</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;s)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="generateColliders()">
 <h3>generateColliders</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="TextObject.html" title="class in gameobjects">TextObject</a></span>&nbsp;<span class="element-name">generateColliders</span>()</div>
 <div class="block"><span class="descfrm-type-label">Description copied from class:&nbsp;<code><a href="GameObject.html#generateColliders()">GameObject</a></code></span></div>
 <div class="block">generates and sets collider(s) for this GameObject. This implementation does nothing. Intended
 to be overridden by subclasses.</div>
 <dl class="notes">
 <dt>Overrides:</dt>
 <dd><code><a href="GameObject.html#generateColliders()">generateColliders</a></code>&nbsp;in class&nbsp;<code><a href="GameObject.html" title="class in gameobjects">GameObject</a></code></dd>
 <dt>Returns:</dt>
 <dd>instance of this GameObject (this).</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
 <!-- ========= END OF CLASS DATA ========= -->
 </main>
 </div>
 </div>
 </body>
 </html>
--- a/doc/gameobjects/class-use/AnimatedGameobject.html
+++ b/doc/gameobjects/class-use/AnimatedGameobject.html
@ -0,0 +1,58 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
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 </div>
 No usage of gameobjects.AnimatedGameobject</main>
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 </body>
 </html>
--- a/doc/gameobjects/class-use/EgoObject.html
+++ b/doc/gameobjects/class-use/EgoObject.html
@ -0,0 +1,58 @@
 <!DOCTYPE HTML>
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 </div>
 No usage of gameobjects.EgoObject</main>
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 </body>
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--- a/doc/gameobjects/class-use/FallingStar.html
+++ b/doc/gameobjects/class-use/FallingStar.html
@ -0,0 +1,58 @@
 <!DOCTYPE HTML>
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 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
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 No usage of gameobjects.FallingStar</main>
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 </body>
 </html>
--- a/doc/gameobjects/class-use/GameObject.html
+++ b/doc/gameobjects/class-use/GameObject.html
@ -0,0 +1,321 @@
 <!DOCTYPE HTML>
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 <!-- Generated by javadoc (17) on Thu May 12 09:13:23 CEST 2022 -->
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 </div>
 <div class="caption"><span>Packages that use <a href="../GameObject.html" title="class in gameobjects">GameObject</a></span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Package</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><a href="#collider">collider</a></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><a href="#controller">controller</a></div>
 <div class="col-last odd-row-color">
 <div class="block">The controller package contains Object controllers that govern an objects behavior, without being
 involved in its collision or drawing properties.</div>
 </div>
 <div class="col-first even-row-color"><a href="#gameobjects">gameobjects</a></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><a href="#playground">playground</a></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 <div class="col-first even-row-color"><a href="#rendering">rendering</a></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
 <section class="class-uses">
 <ul class="block-list">
 <li>
 <section class="detail" id="collider">
 <h2>Uses of <a href="../GameObject.html" title="class in gameobjects">GameObject</a> in <a href="../../collider/package-summary.html">collider</a></h2>
 <div class="caption"><span>Methods in <a href="../../collider/package-summary.html">collider</a> with parameters of type <a href="../GameObject.html" title="class in gameobjects">GameObject</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>void</code></div>
 <div class="col-second even-row-color"><span class="type-name-label">Collider.</span><code><a href="../../collider/Collider.html#setObject(gameobjects.GameObject)" class="member-name-link">setObject</a><wbr>(<a href="../GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;gameObject)</code></div>
 <div class="col-last even-row-color">
 <div class="block">setter for corresponding GameObject</div>
 </div>
 </div>
 <div class="caption"><span>Constructors in <a href="../../collider/package-summary.html">collider</a> with parameters of type <a href="../GameObject.html" title="class in gameobjects">GameObject</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier</div>
 <div class="table-header col-second">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="../../collider/CircleCollider.html#%3Cinit%3E(java.lang.String,gameobjects.GameObject,double)" class="member-name-link">CircleCollider</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;o,
 double&nbsp;radius)</code></div>
 <div class="col-last even-row-color">
 <div class="block">Constructor which sets the radius to be respected for collisions.</div>
 </div>
 <div class="col-first odd-row-color"><code>&nbsp;</code></div>
 <div class="col-second odd-row-color"><code><a href="../../collider/Collider.html#%3Cinit%3E(java.lang.String,gameobjects.GameObject)" class="member-name-link">Collider</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;o)</code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 <div class="col-first even-row-color"><code>&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="../../collider/RectCollider.html#%3Cinit%3E(java.lang.String,gameobjects.GameObject,double,double)" class="member-name-link">RectCollider</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id,
 <a href="../GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;o,
 double&nbsp;w,
 double&nbsp;h)</code></div>
 <div class="col-last even-row-color">
 <div class="block">initializes this RectCollider.</div>
 </div>
 </div>
 </section>
 </li>
 <li>
 <section class="detail" id="controller">
 <h2>Uses of <a href="../GameObject.html" title="class in gameobjects">GameObject</a> in <a href="../../controller/package-summary.html">controller</a></h2>
 <div class="caption"><span>Methods in <a href="../../controller/package-summary.html">controller</a> with parameters of type <a href="../GameObject.html" title="class in gameobjects">GameObject</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>void</code></div>
 <div class="col-second even-row-color"><span class="type-name-label">EgoController.</span><code><a href="../../controller/EgoController.html#onDown(java.awt.event.KeyEvent,gameobjects.GameObject)" class="member-name-link">onDown</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/event/KeyEvent.html" title="class or interface in java.awt.event" class="external-link">KeyEvent</a>&nbsp;kc,
 <a href="../GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;ego)</code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><code>void</code></div>
 <div class="col-second odd-row-color"><span class="type-name-label">EgoController.</span><code><a href="../../controller/EgoController.html#onLeft(java.awt.event.KeyEvent,gameobjects.GameObject)" class="member-name-link">onLeft</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/event/KeyEvent.html" title="class or interface in java.awt.event" class="external-link">KeyEvent</a>&nbsp;kc,
 <a href="../GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;ego)</code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 <div class="col-first even-row-color"><code>void</code></div>
 <div class="col-second even-row-color"><span class="type-name-label">EgoController.</span><code><a href="../../controller/EgoController.html#onRight(java.awt.event.KeyEvent,gameobjects.GameObject)" class="member-name-link">onRight</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/event/KeyEvent.html" title="class or interface in java.awt.event" class="external-link">KeyEvent</a>&nbsp;kc,
 <a href="../GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;ego)</code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><code>void</code></div>
 <div class="col-second odd-row-color"><span class="type-name-label">CollisionAwareEgoController.</span><code><a href="../../controller/CollisionAwareEgoController.html#onSpace(java.awt.event.KeyEvent,gameobjects.GameObject)" class="member-name-link">onSpace</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/event/KeyEvent.html" title="class or interface in java.awt.event" class="external-link">KeyEvent</a>&nbsp;e,
 <a href="../GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;ego)</code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 <div class="col-first even-row-color"><code>void</code></div>
 <div class="col-second even-row-color"><span class="type-name-label">EgoController.</span><code><a href="../../controller/EgoController.html#onSpace(java.awt.event.KeyEvent,gameobjects.GameObject)" class="member-name-link">onSpace</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/event/KeyEvent.html" title="class or interface in java.awt.event" class="external-link">KeyEvent</a>&nbsp;e,
 <a href="../GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;ego)</code></div>
 <div class="col-last even-row-color">
 <div class="block">behavior for shooting on key space</div>
 </div>
 <div class="col-first odd-row-color"><code>void</code></div>
 <div class="col-second odd-row-color"><span class="type-name-label">EgoController.</span><code><a href="../../controller/EgoController.html#onStop(java.awt.event.KeyEvent,gameobjects.GameObject)" class="member-name-link">onStop</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/event/KeyEvent.html" title="class or interface in java.awt.event" class="external-link">KeyEvent</a>&nbsp;kc,
 <a href="../GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;ego)</code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 <div class="col-first even-row-color"><code>void</code></div>
 <div class="col-second even-row-color"><span class="type-name-label">EgoController.</span><code><a href="../../controller/EgoController.html#onUp(java.awt.event.KeyEvent,gameobjects.GameObject)" class="member-name-link">onUp</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/event/KeyEvent.html" title="class or interface in java.awt.event" class="external-link">KeyEvent</a>&nbsp;kc,
 <a href="../GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;ego)</code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><code>void</code></div>
 <div class="col-second odd-row-color"><span class="type-name-label">ObjectController.</span><code><a href="../../controller/ObjectController.html#setObject(gameobjects.GameObject)" class="member-name-link">setObject</a><wbr>(<a href="../GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;gameObject)</code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 </div>
 </section>
 </li>
 <li>
 <section class="detail" id="gameobjects">
 <h2>Uses of <a href="../GameObject.html" title="class in gameobjects">GameObject</a> in <a href="../package-summary.html">gameobjects</a></h2>
 <div class="caption"><span>Subclasses of <a href="../GameObject.html" title="class in gameobjects">GameObject</a> in <a href="../package-summary.html">gameobjects</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Class</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>class&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="../AnimatedGameobject.html" class="type-name-link" title="class in gameobjects">AnimatedGameobject</a></code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><code>class&nbsp;</code></div>
 <div class="col-second odd-row-color"><code><a href="../EgoObject.html" class="type-name-link" title="class in gameobjects">EgoObject</a></code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 <div class="col-first even-row-color"><code>class&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="../FallingStar.html" class="type-name-link" title="class in gameobjects">FallingStar</a></code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><code>class&nbsp;</code></div>
 <div class="col-second odd-row-color"><code><a href="../RectObject.html" class="type-name-link" title="class in gameobjects">RectObject</a></code></div>
 <div class="col-last odd-row-color">
 <div class="block">A rectangle object.</div>
 </div>
 <div class="col-first even-row-color"><code>class&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="../TextObject.html" class="type-name-link" title="class in gameobjects">TextObject</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">Convenience Class subclassing <a href="../GameObject.html" title="class in gameobjects"><code>GameObject</code></a>, directly instanciating <a href="../../rendering/TextArtist.html" title="class in rendering"><code>TextArtist</code></a> a
 subclass of <a href="../../rendering/Artist.html" title="class in rendering"><code>Artist</code></a> that draws a text.</div>
 </div>
 </div>
 <div class="caption"><span>Methods in <a href="../package-summary.html">gameobjects</a> that return <a href="../GameObject.html" title="class in gameobjects">GameObject</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code><a href="../GameObject.html" title="class in gameobjects">GameObject</a></code></div>
 <div class="col-second even-row-color"><span class="type-name-label">GameObject.</span><code><a href="../GameObject.html#addArtist(rendering.Artist)" class="member-name-link">addArtist</a><wbr>(<a href="../../rendering/Artist.html" title="class in rendering">Artist</a>&nbsp;a)</code></div>
 <div class="col-last even-row-color">
 <div class="block">Sets the artist to be used for drawing the object onto visible canvas area.</div>
 </div>
 <div class="col-first odd-row-color"><code><a href="../GameObject.html" title="class in gameobjects">GameObject</a></code></div>
 <div class="col-second odd-row-color"><span class="type-name-label">GameObject.</span><code><a href="../GameObject.html#addController(controller.ObjectController)" class="member-name-link">addController</a><wbr>(<a href="../../controller/ObjectController.html" title="class in controller">ObjectController</a>&nbsp;c)</code></div>
 <div class="col-last odd-row-color">
 <div class="block">Sets the controller to use for this GameObject's logical behavior.</div>
 </div>
 <div class="col-first even-row-color"><code><a href="../GameObject.html" title="class in gameobjects">GameObject</a></code></div>
 <div class="col-second even-row-color"><span class="type-name-label">AnimatedGameobject.</span><code><a href="../AnimatedGameobject.html#generateColliders()" class="member-name-link">generateColliders</a>()</code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><code><a href="../GameObject.html" title="class in gameobjects">GameObject</a></code></div>
 <div class="col-second odd-row-color"><span class="type-name-label">EgoObject.</span><code><a href="../EgoObject.html#generateColliders()" class="member-name-link">generateColliders</a>()</code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 <div class="col-first even-row-color"><code><a href="../GameObject.html" title="class in gameobjects">GameObject</a></code></div>
 <div class="col-second even-row-color"><span class="type-name-label">GameObject.</span><code><a href="../GameObject.html#generateColliders()" class="member-name-link">generateColliders</a>()</code></div>
 <div class="col-last even-row-color">
 <div class="block">generates and sets collider(s) for this GameObject.</div>
 </div>
 <div class="col-first odd-row-color"><code><a href="../GameObject.html" title="class in gameobjects">GameObject</a></code></div>
 <div class="col-second odd-row-color"><span class="type-name-label">GameObject.</span><code><a href="../GameObject.html#setActive(boolean)" class="member-name-link">setActive</a><wbr>(boolean&nbsp;flag)</code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 </div>
 <div class="caption"><span>Methods in <a href="../package-summary.html">gameobjects</a> with parameters of type <a href="../GameObject.html" title="class in gameobjects">GameObject</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>boolean</code></div>
 <div class="col-second even-row-color"><span class="type-name-label">GameObject.</span><code><a href="../GameObject.html#collisionDetection(gameobjects.GameObject)" class="member-name-link">collisionDetection</a><wbr>(<a href="../GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;other)</code></div>
 <div class="col-last even-row-color">
 <div class="block">Collision detection implemented by iteration through the own list of <a href="../../collider/Collider.html" title="class in collider"><code>Collider</code></a>
 and calling their <a href="../../collider/Collider.html#collidesWith(collider.Collider)"><code>Collider.collidesWith(Collider)</code></a> method to check collision
 with the given parameter instance of other <a href="../GameObject.html" title="class in gameobjects"><code>GameObject</code></a>.</div>
 </div>
 </div>
 </section>
 </li>
 <li>
 <section class="detail" id="playground">
 <h2>Uses of <a href="../GameObject.html" title="class in gameobjects">GameObject</a> in <a href="../../playground/package-summary.html">playground</a></h2>
 <div class="caption"><span>Methods in <a href="../../playground/package-summary.html">playground</a> that return <a href="../GameObject.html" title="class in gameobjects">GameObject</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code><a href="../GameObject.html" title="class in gameobjects">GameObject</a></code></div>
 <div class="col-second even-row-color"><span class="type-name-label">Playground.</span><code><a href="../../playground/Playground.html#getObject(java.lang.String)" class="member-name-link">getObject</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;id)</code></div>
 <div class="col-last even-row-color">
 <div class="block">Retrieves a graphics object by name.</div>
 </div>
 </div>
 <div class="caption"><span>Methods in <a href="../../playground/package-summary.html">playground</a> that return types with arguments of type <a href="../GameObject.html" title="class in gameobjects">GameObject</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code><a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/util/LinkedList.html" title="class or interface in java.util" class="external-link">LinkedList</a>&lt;<a href="../GameObject.html" title="class in gameobjects">GameObject</a>&gt;</code></div>
 <div class="col-second even-row-color"><span class="type-name-label">Playground.</span><code><a href="../../playground/Playground.html#collectObjects(java.lang.String,boolean)" class="member-name-link">collectObjects</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;substr,
 boolean&nbsp;filterInactive)</code></div>
 <div class="col-last even-row-color">
 <div class="block">Puts objects with a certain substring in their name into a LinkedLisrt and returns them.</div>
 </div>
 </div>
 <div class="caption"><span>Methods in <a href="../../playground/package-summary.html">playground</a> with parameters of type <a href="../GameObject.html" title="class in gameobjects">GameObject</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>void</code></div>
 <div class="col-second even-row-color"><span class="type-name-label">Playground.</span><code><a href="../../playground/Playground.html#addObject(gameobjects.GameObject)" class="member-name-link">addObject</a><wbr>(<a href="../GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;o)</code></div>
 <div class="col-last even-row-color">
 <div class="block">Adds a graphics object to a level.</div>
 </div>
 <div class="col-first odd-row-color"><code>void</code></div>
 <div class="col-second odd-row-color"><span class="type-name-label">Playground.</span><code><a href="../../playground/Playground.html#addObjectNow(gameobjects.GameObject)" class="member-name-link">addObjectNow</a><wbr>(<a href="../GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;o)</code></div>
 <div class="col-last odd-row-color">
 <div class="block">Adds a graphics object to a level.</div>
 </div>
 </div>
 </section>
 </li>
 <li>
 <section class="detail" id="rendering">
 <h2>Uses of <a href="../GameObject.html" title="class in gameobjects">GameObject</a> in <a href="../../rendering/package-summary.html">rendering</a></h2>
 <div class="caption"><span>Constructors in <a href="../../rendering/package-summary.html">rendering</a> with parameters of type <a href="../GameObject.html" title="class in gameobjects">GameObject</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier</div>
 <div class="table-header col-second">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="../../rendering/AnimationArtist.html#%3Cinit%3E(gameobjects.GameObject,playground.Animation,double,java.lang.String,double)" class="member-name-link">AnimationArtist</a><wbr>(<a href="../GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;go,
 <a href="../../playground/Animation.html" title="class in playground">Animation</a>&nbsp;anim,
 double&nbsp;t0,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;playmode,
 double&nbsp;scale)</code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><code>&nbsp;</code></div>
 <div class="col-second odd-row-color"><code><a href="../../rendering/CircleArtist.html#%3Cinit%3E(gameobjects.GameObject)" class="member-name-link">CircleArtist</a><wbr>(<a href="../GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;go)</code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 <div class="col-first even-row-color"><code>&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="../../rendering/CircleArtist.html#%3Cinit%3E(gameobjects.GameObject,double,java.awt.Color)" class="member-name-link">CircleArtist</a><wbr>(<a href="../GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;go,
 double&nbsp;egoRad,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/Color.html" title="class or interface in java.awt" class="external-link">Color</a>&nbsp;color)</code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><code>&nbsp;</code></div>
 <div class="col-second odd-row-color"><code><a href="../../rendering/RectArtist.html#%3Cinit%3E(gameobjects.GameObject,double,double,java.awt.Color)" class="member-name-link">RectArtist</a><wbr>(<a href="../GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;go,
 double&nbsp;width,
 double&nbsp;height,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/Color.html" title="class or interface in java.awt" class="external-link">Color</a>&nbsp;color)</code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 <div class="col-first even-row-color"><code>&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="../../rendering/TextArtist.html#%3Cinit%3E(gameobjects.GameObject,java.lang.String,int,java.awt.Color)" class="member-name-link">TextArtist</a><wbr>(<a href="../GameObject.html" title="class in gameobjects">GameObject</a>&nbsp;go,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;text,
 int&nbsp;size,
 <a href="https://docs.oracle.com/en/java/javase/12/docs/api/java.desktop/java/awt/Color.html" title="class or interface in java.awt" class="external-link">Color</a>&nbsp;textColor)</code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 </div>
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--- a/doc/gameobjects/class-use/RectObject.html
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 <div class="caption"><span>Packages that use <a href="../RectObject.html" title="class in gameobjects">RectObject</a></span></div>
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 <div class="table-header col-first">Package</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><a href="#gameobjects">gameobjects</a></div>
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 <h2>Uses of <a href="../RectObject.html" title="class in gameobjects">RectObject</a> in <a href="../package-summary.html">gameobjects</a></h2>
 <div class="caption"><span>Methods in <a href="../package-summary.html">gameobjects</a> that return <a href="../RectObject.html" title="class in gameobjects">RectObject</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code><a href="../RectObject.html" title="class in gameobjects">RectObject</a></code></div>
 <div class="col-second even-row-color"><span class="type-name-label">RectObject.</span><code><a href="../RectObject.html#generateColliders()" class="member-name-link">generateColliders</a>()</code></div>
 <div class="col-last even-row-color">
 <div class="block">generates a new <a href="../../collider/RectCollider.html" title="class in collider"><code>RectCollider</code></a> with id-prefix "shotcollider_" and registers it for 'this'
 [@link RectObject}.</div>
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--- a/doc/gameobjects/class-use/TextObject.html
+++ b/doc/gameobjects/class-use/TextObject.html
@ -0,0 +1,83 @@
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 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Package</div>
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 <div class="col-first even-row-color"><a href="#gameobjects">gameobjects</a></div>
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 <h2>Uses of <a href="../TextObject.html" title="class in gameobjects">TextObject</a> in <a href="../package-summary.html">gameobjects</a></h2>
 <div class="caption"><span>Methods in <a href="../package-summary.html">gameobjects</a> that return <a href="../TextObject.html" title="class in gameobjects">TextObject</a></span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code><a href="../TextObject.html" title="class in gameobjects">TextObject</a></code></div>
 <div class="col-second even-row-color"><span class="type-name-label">TextObject.</span><code><a href="../TextObject.html#generateColliders()" class="member-name-link">generateColliders</a>()</code></div>
 <div class="col-last even-row-color">&nbsp;</div>
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--- a/doc/gameobjects/package-summary.html
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 <h1 title="Package gameobjects" class="title">Package gameobjects</h1>
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 <hr>
 <div class="package-signature">package <span class="element-name">gameobjects</span></div>
 <section class="summary">
 <ul class="summary-list">
 <li>
 <div id="class-summary">
 <div class="caption"><span>Classes</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Class</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color class-summary class-summary-tab2"><a href="AnimatedGameobject.html" title="class in gameobjects">AnimatedGameobject</a></div>
 <div class="col-last even-row-color class-summary class-summary-tab2">&nbsp;</div>
 <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="EgoObject.html" title="class in gameobjects">EgoObject</a></div>
 <div class="col-last odd-row-color class-summary class-summary-tab2">&nbsp;</div>
 <div class="col-first even-row-color class-summary class-summary-tab2"><a href="FallingStar.html" title="class in gameobjects">FallingStar</a></div>
 <div class="col-last even-row-color class-summary class-summary-tab2">&nbsp;</div>
 <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="GameObject.html" title="class in gameobjects">GameObject</a></div>
 <div class="col-last odd-row-color class-summary class-summary-tab2">
 <div class="block">The class <a href="GameObject.html" title="class in gameobjects"><code>GameObject</code></a> represents a (possibly animated) object appearing in a level of the
 game.</div>
 </div>
 <div class="col-first even-row-color class-summary class-summary-tab2"><a href="RectObject.html" title="class in gameobjects">RectObject</a></div>
 <div class="col-last even-row-color class-summary class-summary-tab2">
 <div class="block">A rectangle object.</div>
 </div>
 <div class="col-first odd-row-color class-summary class-summary-tab2"><a href="TextObject.html" title="class in gameobjects">TextObject</a></div>
 <div class="col-last odd-row-color class-summary class-summary-tab2">
 <div class="block">Convenience Class subclassing <a href="GameObject.html" title="class in gameobjects"><code>GameObject</code></a>, directly instanciating <a href="../rendering/TextArtist.html" title="class in rendering"><code>TextArtist</code></a> a
 subclass of <a href="../rendering/Artist.html" title="class in rendering"><code>Artist</code></a> that draws a text.</div>
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