50% HA6

4 weeks ago · f38a06fd40
161 changed files with 3152 additions and 539 deletions
--- a/spaceinvaders/GameProject/bin/.gitignore
+++ b/spaceinvaders/GameProject/bin/.gitignore
@ -1 +1,7 @@
+/base/
+/collider/
+/controller/
+/gameobjects/
 /playground/
+/rendering/
+/ui/
--- a/spaceinvaders/GameProject/bin/base/MovingObjectsGame.class
+++ b/spaceinvaders/GameProject/bin/base/MovingObjectsGame.class
--- a/spaceinvaders/GameProject/bin/log4j2.xml
+++ b/spaceinvaders/GameProject/bin/log4j2.xml
@ -25,6 +25,6 @@
    	
    	<Logger name="playground" level="info">      		
    	</Logger>
-		
+    	
 	</loggers>
 </configuration>
--- a/spaceinvaders/GameProject/doc/allclasses-index.html
+++ b/spaceinvaders/GameProject/doc/allclasses-index.html
@ -1,11 +1,11 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
-<!-- Generated by javadoc (17) on Wed May 18 17:22:01 CEST 2022 -->
+<!-- Generated by javadoc (17) on Fri May 27 21:55:02 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="2022-05-18">
+<meta name="dc.created" content="2022-05-27">
 <meta name="description" content="class index">
 <meta name="generator" content="javadoc/AllClassesIndexWriter">
 <link rel="stylesheet" type="text/css" href="stylesheet.css" title="Style">
@ -28,7 +28,8 @@ loadScripts(document, 'script');</script>
 <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="controller/package-summary.html">Package</a></li>
+<li><a href="index.html">Overview</a></li>
+<li>Package</li>
 <li>Class</li>
 <li>Use</li>
 <li><a href="overview-tree.html">Tree</a></li>
@ -55,8 +56,174 @@ loadScripts(document, 'script');</script>
 <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="base/BreakoutGame.html" title="class in base">BreakoutGame</a></div>
+<div class="col-last even-row-color all-classes-table all-classes-table-tab2">
+<div class="block">main class to start a game with only one level.</div>
+</div>
+<div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="playground/BreakoutLevelBase.html" title="class in playground">BreakoutLevelBase</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 <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 <a href="playground/SpaceInvadersLevel.html" title="class in playground"><code>SpaceInvadersLevel</code></a> with aliens that need two hits to be 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">&nbsp;</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">&nbsp;</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">&nbsp;</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/LevelMovingHitObjects.html" title="class in playground">LevelMovingHitObjects</a></div>
+<div class="col-last even-row-color all-classes-table all-classes-table-tab2">
+<div class="block">Level that creates two RectObjects moving around and if ego is hit by them game is directly lost
+ (lives = 0).</div>
+</div>
+<div class="col-first odd-row-color all-classes-table all-classes-table-tab2"><a href="playground/LevelMovingObjects.html" title="class in playground">LevelMovingObjects</a></div>
+<div class="col-last odd-row-color all-classes-table all-classes-table-tab2">
+<div class="block">This level adds two distracting objects to the canvas that cannot collide but bounce around all the time.</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 box.</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/MovingObjectsGame.html" title="class in base">MovingObjectsGame</a></div>
+<div class="col-last odd-row-color all-classes-table all-classes-table-tab2">
+<div class="block">main class to start a game with only one level <a href="playground/LevelMovingObjects.html" title="class in playground"><code>LevelMovingObjects</code></a>.</div>
+</div>
+<div class="col-first even-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 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/Music.html" title="class in playground">Music</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/ObjectController.html" title="class in controller">ObjectController</a></div>
+<div class="col-last even-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 odd-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 odd-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 even-row-color all-classes-table all-classes-table-tab2"><a href="controller/ReboundController.html" title="class in controller">ReboundController</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/ReboundController2.html" title="class in controller">ReboundController2</a></div>
+<div class="col-last odd-row-color all-classes-table all-classes-table-tab2">
+<div class="block">Controller to let Objects bounce from the outer level limits back and forth.</div>
+</div>
+<div class="col-first even-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 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/RectCollider.html" title="class in collider">RectCollider</a></div>
+<div class="col-last odd-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 even-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 even-row-color all-classes-table all-classes-table-tab2">
+<div class="block">A rectangle object.</div>
+</div>
+<div class="col-first odd-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 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/SimpleShotController.html" title="class in controller">SimpleShotController</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/SpaceInvadersLevel.html" title="class in playground">SpaceInvadersLevel</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="playground/SpaceInvadersLevelAua.html" title="class in playground">SpaceInvadersLevelAua</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/TextArtist.html" title="class in rendering">TextArtist</a></div>
+<div class="col-last odd-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 even-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 even-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 odd-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 odd-row-color all-classes-table all-classes-table-tab2">&nbsp;</div>
 </div>
 </div>
 </main>
--- a/spaceinvaders/GameProject/doc/allpackages-index.html
+++ b/spaceinvaders/GameProject/doc/allpackages-index.html
@ -1,11 +1,11 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
-<!-- Generated by javadoc (17) on Wed May 18 17:22:01 CEST 2022 -->
+<!-- Generated by javadoc (17) on Fri May 27 21:55:02 CEST 2022 -->
 <title>All Packages</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="2022-05-18">
+<meta name="dc.created" content="2022-05-27">
 <meta name="description" content="package index">
 <meta name="generator" content="javadoc/AllPackagesIndexWriter">
 <link rel="stylesheet" type="text/css" href="stylesheet.css" title="Style">
@ -28,7 +28,8 @@ loadScripts(document, 'script');</script>
 <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="controller/package-summary.html">Package</a></li>
+<li><a href="index.html">Overview</a></li>
+<li>Package</li>
 <li>Class</li>
 <li>Use</li>
 <li><a href="overview-tree.html">Tree</a></li>
@ -54,11 +55,29 @@ loadScripts(document, 'script');</script>
 <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/package-summary.html">base</a></div>
+<div class="col-last even-row-color">&nbsp;</div>
+<div class="col-first odd-row-color"><a href="collider/package-summary.html">collider</a></div>
+<div class="col-last odd-row-color">
+<div class="block">The package contains classes implementing a 'bounding box' area around game objects.</div>
+</div>
 <div class="col-first even-row-color"><a href="controller/package-summary.html">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 class="col-first odd-row-color"><a href="gameobjects/package-summary.html">gameobjects</a></div>
+<div class="col-last odd-row-color">
+<div class="block">The package gameobjects contains all objects with a visual representation on screen.</div>
+</div>
+<div class="col-first even-row-color"><a href="playground/package-summary.html">playground</a></div>
+<div class="col-last even-row-color">
+<div class="block">The package playground contains all level specific logic and control of level logic.</div>
+</div>
+<div class="col-first odd-row-color"><a href="rendering/package-summary.html">rendering</a></div>
+<div class="col-last odd-row-color">&nbsp;</div>
+<div class="col-first even-row-color"><a href="ui/package-summary.html">ui</a></div>
+<div class="col-last even-row-color">&nbsp;</div>
 </div>
 </main>
 </div>
--- a/spaceinvaders/GameProject/doc/base/BreakoutGame.html
+++ b/spaceinvaders/GameProject/doc/base/BreakoutGame.html
@ -0,0 +1,197 @@
+<!DOCTYPE HTML>
+<html lang="de">
+<head>
+<!-- Generated by javadoc (17) on Fri May 27 21:55:02 CEST 2022 -->
+<title>BreakoutGame</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="2022-05-27">
+<meta name="description" content="declaration: package: base, class: BreakoutGame">
+<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/BreakoutGame.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>
+</div>
+<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">base</a></div>
+<h1 title="Class BreakoutGame" class="title">Class BreakoutGame</h1>
+</div>
+<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/javase/8/docs/api/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.BreakoutGame</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">BreakoutGame</span>
+<span class="extends-implements">extends <a href="GameLoop.html" title="class in base">GameLoop</a></span></div>
+<div class="block">main class to start a game with only one level.</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 ======== -->
+<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">BreakoutGame</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-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="#defineLevels()" class="member-name-link">defineLevels</a>()</code></div>
+<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
+<div class="block">adds only one level to play (<code>playground.LevelBreakout1</code>).</div>
+</div>
+<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div>
+<div class="col-second odd-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/javase/8/docs/api/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-tab1 method-summary-table-tab4">
+<div class="block">starts this game.</div>
+</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/javase/8/docs/api/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
+<code><a href="https://docs.oracle.com/javase/8/docs/api/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/javase/8/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/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>BreakoutGame</h3>
+<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">BreakoutGame</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="defineLevels()">
+<h3>defineLevels</h3>
+<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">defineLevels</span>()</div>
+<div class="block">adds only one level to play (<code>playground.LevelBreakout1</code>).</div>
+</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/javase/8/docs/api/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/javase/8/docs/api/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
+<div class="block">starts this game.</div>
+<dl class="notes">
+<dt>Parameters:</dt>
+<dd><code>args</code> - command line parameters (forwarded to <a href="GameLoop.html#runGame(java.lang.String%5B%5D)"><code>GameLoop.runGame(String[])</code></a>).</dd>
+<dt>Throws:</dt>
+<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code> - if highscore.txt file cannot be written or accessed, the exception is
+         thrown (and game ends).</dd>
+</dl>
+</section>
+</li>
+</ul>
+</section>
+</li>
+</ul>
+</section>
+<!-- ========= END OF CLASS DATA ========= -->
+</main>
+</div>
+</div>
+</body>
+</html>
--- a/spaceinvaders/GameProject/doc/base/GameLoop.html
+++ b/spaceinvaders/GameProject/doc/base/GameLoop.html
@ -1,11 +1,11 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
-<!-- Generated by javadoc (17) on Fri May 13 10:37:40 CEST 2022 -->
+<!-- Generated by javadoc (17) on Fri May 27 21:55:02 CEST 2022 -->
 <title>GameLoop</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="2022-05-13">
+<meta name="dc.created" content="2022-05-27">
 <meta name="description" content="declaration: package: base, class: GameLoop">
 <meta name="generator" content="javadoc/ClassWriterImpl">
 <link rel="stylesheet" type="text/css" href="../stylesheet.css" title="Style">
@ -78,7 +78,7 @@ loadScripts(document, 'script');</script>
 <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>
+<dd><code><a href="BreakoutGame.html" title="class in base">BreakoutGame</a></code>, <code><a href="MovingObjectsGame.html" title="class in base">MovingObjectsGame</a></code>, <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>
@ -231,8 +231,8 @@ loadScripts(document, 'script');</script>
 <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/javase/8/docs/api/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/javase/8/docs/api/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>
+<div class="block">main to start the whole application. It calls. <a href="#runGame(java.lang.String%5B%5D)"><code>runGame(String[])</code></a>.
+ (levels are automatically added/loaded by 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>
--- a/spaceinvaders/GameProject/doc/base/MovingObjectsGame.html
+++ b/spaceinvaders/GameProject/doc/base/MovingObjectsGame.html
@ -0,0 +1,197 @@
+<!DOCTYPE HTML>
+<html lang="de">
+<head>
+<!-- Generated by javadoc (17) on Fri May 27 21:55:02 CEST 2022 -->
+<title>MovingObjectsGame</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="2022-05-27">
+<meta name="description" content="declaration: package: base, class: MovingObjectsGame">
+<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/MovingObjectsGame.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>
+</div>
+<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">base</a></div>
+<h1 title="Class MovingObjectsGame" class="title">Class MovingObjectsGame</h1>
+</div>
+<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/javase/8/docs/api/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.MovingObjectsGame</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">MovingObjectsGame</span>
+<span class="extends-implements">extends <a href="GameLoop.html" title="class in base">GameLoop</a></span></div>
+<div class="block">main class to start a game with only one level <a href="../playground/LevelMovingObjects.html" title="class in playground"><code>LevelMovingObjects</code></a>.</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 ======== -->
+<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">MovingObjectsGame</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-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="#defineLevels()" class="member-name-link">defineLevels</a>()</code></div>
+<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
+<div class="block">adds only one level to play (<a href="../playground/LevelMovingObjects.html" title="class in playground"><code>LevelMovingObjects</code></a>).</div>
+</div>
+<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div>
+<div class="col-second odd-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/javase/8/docs/api/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-tab1 method-summary-table-tab4">
+<div class="block">starts this game.</div>
+</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/javase/8/docs/api/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
+<code><a href="https://docs.oracle.com/javase/8/docs/api/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/javase/8/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/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>MovingObjectsGame</h3>
+<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">MovingObjectsGame</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/javase/8/docs/api/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/javase/8/docs/api/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
+<div class="block">starts this game.</div>
+<dl class="notes">
+<dt>Parameters:</dt>
+<dd><code>args</code> - command line parameters (forwarded to <a href="GameLoop.html#runGame(java.lang.String%5B%5D)"><code>GameLoop.runGame(String[])</code></a>).</dd>
+<dt>Throws:</dt>
+<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code> - if highscore.txt file cannot be written or accessed, the exception is
+         thrown (and game ends).</dd>
+</dl>
+</section>
+</li>
+<li>
+<section class="detail" id="defineLevels()">
+<h3>defineLevels</h3>
+<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">defineLevels</span>()</div>
+<div class="block">adds only one level to play (<a href="../playground/LevelMovingObjects.html" title="class in playground"><code>LevelMovingObjects</code></a>).</div>
+</section>
+</li>
+</ul>
+</section>
+</li>
+</ul>
+</section>
+<!-- ========= END OF CLASS DATA ========= -->
+</main>
+</div>
+</div>
+</body>
+</html>
--- a/spaceinvaders/GameProject/doc/base/MultiLevelGame.html
+++ b/spaceinvaders/GameProject/doc/base/MultiLevelGame.html
@ -1,11 +1,11 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
-<!-- Generated by javadoc (17) on Fri May 13 10:37:40 CEST 2022 -->
+<!-- Generated by javadoc (17) on Fri May 27 21:55:02 CEST 2022 -->
 <title>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="2022-05-13">
+<meta name="dc.created" content="2022-05-27">
 <meta name="description" content="declaration: package: base, class: MultiLevelGame">
 <meta name="generator" content="javadoc/ClassWriterImpl">
 <link rel="stylesheet" type="text/css" href="../stylesheet.css" title="Style">
--- a/spaceinvaders/GameProject/doc/base/class-use/BreakoutGame.html
+++ b/spaceinvaders/GameProject/doc/base/class-use/BreakoutGame.html
@ -0,0 +1,58 @@
+<!DOCTYPE HTML>
+<html lang="de">
+<head>
+<!-- Generated by javadoc (17) on Fri May 27 21:55:02 CEST 2022 -->
+<title>Uses of Class base.BreakoutGame</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="2022-05-27">
+<meta name="description" content="use: package: base, class: BreakoutGame">
+<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="../BreakoutGame.html" title="class in base">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 base.BreakoutGame" class="title">Uses of Class<br>base.BreakoutGame</h1>
+</div>
+No usage of base.BreakoutGame</main>
+</div>
+</div>
+</body>
+</html>
--- a/spaceinvaders/GameProject/doc/base/class-use/GameLoop.html
+++ b/spaceinvaders/GameProject/doc/base/class-use/GameLoop.html
@ -1,11 +1,11 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
-<!-- Generated by javadoc (17) on Fri May 13 10:37:40 CEST 2022 -->
+<!-- Generated by javadoc (17) on Fri May 27 21:55:02 CEST 2022 -->
 <title>Uses of Class base.GameLoop</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="2022-05-13">
+<meta name="dc.created" content="2022-05-27">
 <meta name="description" content="use: package: base, class: GameLoop">
 <meta name="generator" content="javadoc/ClassUseWriter">
 <link rel="stylesheet" type="text/css" href="../../stylesheet.css" title="Style">
@ -69,6 +69,16 @@ loadScripts(document, 'script');</script>
 <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="../BreakoutGame.html" class="type-name-link" title="class in base">BreakoutGame</a></code></div>
+<div class="col-last even-row-color">
+<div class="block">main class to start a game with only one level.</div>
+</div>
+<div class="col-first odd-row-color"><code>class&nbsp;</code></div>
+<div class="col-second odd-row-color"><code><a href="../MovingObjectsGame.html" class="type-name-link" title="class in base">MovingObjectsGame</a></code></div>
+<div class="col-last odd-row-color">
+<div class="block">main class to start a game with only one level <a href="../../playground/LevelMovingObjects.html" title="class in playground"><code>LevelMovingObjects</code></a>.</div>
+</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>
--- a/spaceinvaders/GameProject/doc/base/class-use/MovingObjectsGame.html
+++ b/spaceinvaders/GameProject/doc/base/class-use/MovingObjectsGame.html
@ -0,0 +1,58 @@
+<!DOCTYPE HTML>
+<html lang="de">
+<head>
+<!-- Generated by javadoc (17) on Fri May 27 21:55:02 CEST 2022 -->
+<title>Uses of Class base.MovingObjectsGame</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="2022-05-27">
+<meta name="description" content="use: package: base, class: MovingObjectsGame">
+<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="../MovingObjectsGame.html" title="class in base">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 base.MovingObjectsGame" class="title">Uses of Class<br>base.MovingObjectsGame</h1>
+</div>
+No usage of base.MovingObjectsGame</main>
+</div>
+</div>
+</body>
+</html>
--- a/spaceinvaders/GameProject/doc/base/class-use/MultiLevelGame.html
+++ b/spaceinvaders/GameProject/doc/base/class-use/MultiLevelGame.html
@ -1,11 +1,11 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
-<!-- Generated by javadoc (17) on Fri May 13 10:37:40 CEST 2022 -->
+<!-- Generated by javadoc (17) on Fri May 27 21:55:02 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="2022-05-13">
+<meta name="dc.created" content="2022-05-27">
 <meta name="description" content="use: package: base, class: MultiLevelGame">
 <meta name="generator" content="javadoc/ClassUseWriter">
 <link rel="stylesheet" type="text/css" href="../../stylesheet.css" title="Style">
--- a/spaceinvaders/GameProject/doc/base/package-summary.html
+++ b/spaceinvaders/GameProject/doc/base/package-summary.html
@ -1,11 +1,11 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
-<!-- Generated by javadoc (17) on Fri May 13 10:37:40 CEST 2022 -->
+<!-- Generated by javadoc (17) on Fri May 27 21:55:02 CEST 2022 -->
 <title>base</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="2022-05-13">
+<meta name="dc.created" content="2022-05-27">
 <meta name="description" content="declaration: package: base">
 <meta name="generator" content="javadoc/PackageWriterImpl">
 <link rel="stylesheet" type="text/css" href="../stylesheet.css" title="Style">
@ -69,10 +69,18 @@ loadScripts(document, 'script');</script>
 <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-first even-row-color class-summary class-summary-tab2"><a href="BreakoutGame.html" title="class in base">BreakoutGame</a></div>
 <div class="col-last even-row-color class-summary class-summary-tab2">
+<div class="block">main class to start a game with only one level.</div>
+</div>
+<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="GameLoop.html" title="class in base">GameLoop</a></div>
+<div class="col-last odd-row-color class-summary class-summary-tab2">
 <div class="block">Main class starting any game, contains main().</div>
 </div>
+<div class="col-first even-row-color class-summary class-summary-tab2"><a href="MovingObjectsGame.html" title="class in base">MovingObjectsGame</a></div>
+<div class="col-last even-row-color class-summary class-summary-tab2">
+<div class="block">main class to start a game with only one level <a href="../playground/LevelMovingObjects.html" title="class in playground"><code>LevelMovingObjects</code></a>.</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>
--- a/spaceinvaders/GameProject/doc/base/package-tree.html
+++ b/spaceinvaders/GameProject/doc/base/package-tree.html
@ -1,11 +1,11 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
-<!-- Generated by javadoc (17) on Fri May 13 10:37:40 CEST 2022 -->
+<!-- Generated by javadoc (17) on Fri May 27 21:55:02 CEST 2022 -->
 <title>base 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="2022-05-13">
+<meta name="dc.created" content="2022-05-27">
 <meta name="description" content="tree: package: base">
 <meta name="generator" content="javadoc/PackageTreeWriter">
 <link rel="stylesheet" type="text/css" href="../stylesheet.css" title="Style">
@ -62,6 +62,8 @@ loadScripts(document, 'script');</script>
 <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="BreakoutGame.html" class="type-name-link" title="class in base">BreakoutGame</a></li>
+<li class="circle">base.<a href="MovingObjectsGame.html" class="type-name-link" title="class in base">MovingObjectsGame</a></li>
 <li class="circle">base.<a href="MultiLevelGame.html" class="type-name-link" title="class in base">MultiLevelGame</a></li>
 </ul>
 </li>
--- a/spaceinvaders/GameProject/doc/base/package-use.html
+++ b/spaceinvaders/GameProject/doc/base/package-use.html
@ -1,11 +1,11 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
-<!-- Generated by javadoc (17) on Fri May 13 10:37:40 CEST 2022 -->
+<!-- Generated by javadoc (17) on Fri May 27 21:55:02 CEST 2022 -->
 <title>Uses of Package base</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="2022-05-13">
+<meta name="dc.created" content="2022-05-27">
 <meta name="description" content="use: package: base">
 <meta name="generator" content="javadoc/PackageUseWriter">
 <link rel="stylesheet" type="text/css" href="../stylesheet.css" title="Style">
--- a/spaceinvaders/GameProject/doc/collider/CircleCollider.html
+++ b/spaceinvaders/GameProject/doc/collider/CircleCollider.html
@ -1,11 +1,11 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
-<!-- Generated by javadoc (17) on Fri May 13 10:37:40 CEST 2022 -->
+<!-- Generated by javadoc (17) on Fri May 27 21:55:02 CEST 2022 -->
 <title>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="2022-05-13">
+<meta name="dc.created" content="2022-05-27">
 <meta name="description" content="declaration: package: collider, class: CircleCollider">
 <meta name="generator" content="javadoc/ClassWriterImpl">
 <link rel="stylesheet" type="text/css" href="../stylesheet.css" title="Style">
--- a/spaceinvaders/GameProject/doc/collider/Collider.html
+++ b/spaceinvaders/GameProject/doc/collider/Collider.html
@ -1,11 +1,11 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
-<!-- Generated by javadoc (17) on Fri May 13 10:37:40 CEST 2022 -->
+<!-- Generated by javadoc (17) on Fri May 27 21:55:02 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="2022-05-13">
+<meta name="dc.created" content="2022-05-27">
 <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">
--- a/spaceinvaders/GameProject/doc/collider/RectCollider.html
+++ b/spaceinvaders/GameProject/doc/collider/RectCollider.html
@ -1,11 +1,11 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
-<!-- Generated by javadoc (17) on Fri May 13 10:37:40 CEST 2022 -->
+<!-- Generated by javadoc (17) on Fri May 27 21:55:02 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="2022-05-13">
+<meta name="dc.created" content="2022-05-27">
 <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">
--- a/spaceinvaders/GameProject/doc/collider/class-use/CircleCollider.html
+++ b/spaceinvaders/GameProject/doc/collider/class-use/CircleCollider.html
@ -1,11 +1,11 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
-<!-- Generated by javadoc (17) on Fri May 13 10:37:40 CEST 2022 -->
+<!-- Generated by javadoc (17) on Fri May 27 21:55:02 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="2022-05-13">
+<meta name="dc.created" content="2022-05-27">
 <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">
--- a/spaceinvaders/GameProject/doc/collider/class-use/Collider.html
+++ b/spaceinvaders/GameProject/doc/collider/class-use/Collider.html
@ -1,11 +1,11 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
-<!-- Generated by javadoc (17) on Fri May 13 10:37:40 CEST 2022 -->
+<!-- Generated by javadoc (17) on Fri May 27 21:55:02 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="2022-05-13">
+<meta name="dc.created" content="2022-05-27">
 <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">
@ -56,9 +56,13 @@ loadScripts(document, 'script');</script>
 <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-last even-row-color">
+<div class="block">The package contains classes implementing a 'bounding box' area around game objects.</div>
+</div>
 <div class="col-first odd-row-color"><a href="#gameobjects">gameobjects</a></div>
-<div class="col-last odd-row-color">&nbsp;</div>
+<div class="col-last odd-row-color">
+<div class="block">The package gameobjects contains all objects with a visual representation on screen.</div>
+</div>
 </div>
 <section class="class-uses">
 <ul class="block-list">
--- a/spaceinvaders/GameProject/doc/collider/class-use/RectCollider.html
+++ b/spaceinvaders/GameProject/doc/collider/class-use/RectCollider.html
@ -1,11 +1,11 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
-<!-- Generated by javadoc (17) on Fri May 13 10:37:40 CEST 2022 -->
+<!-- Generated by javadoc (17) on Fri May 27 21:55:02 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="2022-05-13">
+<meta name="dc.created" content="2022-05-27">
 <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">
--- a/spaceinvaders/GameProject/doc/collider/package-summary.html
+++ b/spaceinvaders/GameProject/doc/collider/package-summary.html
@ -1,11 +1,11 @@
 <!DOCTYPE HTML>
 <html lang="de">
 <head>
-<!-- Generated by javadoc (17) on Fri May 13 10:37:40 CEST 2022 -->
+<!-- Generated by javadoc (17) on Fri May 27 21:55:02 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="2022-05-13">
+<meta name="dc.created" content="2022-05-27">
 <meta name="description" content="declaration: package: collider">
 <meta name="generator" content="javadoc/PackageWriterImpl">
 <link rel="stylesheet" type="text/css" href="../stylesheet.css" title="Style">
@ -41,7 +41,7 @@ loadScripts(document, 'script');</script>
 <div>
 <ul class="sub-nav-list">
 <li>Package:&nbsp;</li>
-<li>Description&nbsp;|&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>
@ -61,6 +61,14 @@ loadScripts(document, 'script');</script>
 </div>
 <hr>
 <div class="package-signature">package <span class="element-name">collider</span></div>