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<!DOCTYPE HTML><html lang="de"><head><!-- Generated by javadoc (17) on Thu May 12 14:50:21 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"><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/GameObject.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: </li><li>Nested | </li><li><a href="#field-summary">Field</a> | </li><li><a href="#constructor-summary">Constr</a> | </li><li><a href="#method-summary">Method</a></li></ul><ul class="sub-nav-list"><li>Detail: </li><li><a href="#field-detail">Field</a> | </li><li><a href="#constructor-detail">Constr</a> | </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> <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/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">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/javase/8/docs/api/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/javase/8/docs/api/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><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"> </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"> </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"> </div><div class="col-first even-row-color"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/LinkedList.html" title="class or interface in java.util" class="external-link">LinkedList</a><<a href="../collider/Collider.html" title="class in collider">Collider</a>></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"> </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/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> id, <a href="../playground/Playground.html" title="class in playground">Playground</a> playground, double x, double y, double vx, double 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/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> id, <a href="../playground/Playground.html" title="class in playground">Playground</a> playground, <a href="../controller/ObjectController.html" title="class in controller">ObjectController</a> controller, double x, double y, double vx, double 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> 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> 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> 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> 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/javase/8/docs/api/java/awt/Graphics2D.html" title="class or interface in java.awt" class="external-link">Graphics2D</a> 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"> </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/javase/8/docs/api/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/javase/8/docs/api/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/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> flag)</code></div><div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </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/javase/8/docs/api/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/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> flag, <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> createValue)</code></div><div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </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"> </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"> </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 flag)</code></div><div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </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/javase/8/docs/api/java/util/LinkedList.html" title="class or interface in java.util" class="external-link">LinkedList</a><<a href="../collider/Collider.html" title="class in collider">Collider</a>> 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/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> comp, <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> property, <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> 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> 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/javase/8/docs/api/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> flag, <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> value)</code></div><div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </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> playground)</code></div><div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </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 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 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 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 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 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"><!-- ============ 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> <span class="return-type">int</span> <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> <span class="return-type">int</span> <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> <span class="return-type">int</span> <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> <span class="return-type"><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></span> <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> <span class="return-type"><a href="https://docs.oracle.com/javase/8/docs/api/java/util/LinkedList.html" title="class or interface in java.util" class="external-link">LinkedList</a><<a href="../collider/Collider.html" title="class in collider">Collider</a>></span> <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="<init>(java.lang.String,playground.Playground,double,double,double,double)"><h3>GameObject</h3><div class="member-signature"><span class="modifiers">public</span> <span class="element-name">GameObject</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> id, <a href="../playground/Playground.html" title="class in playground">Playground</a> playground, double x, double y, double vx, double 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="<init>(java.lang.String,playground.Playground,controller.ObjectController,double,double,double,double)"><h3>GameObject</h3><div class="member-signature"><span class="modifiers">public</span> <span class="element-name">GameObject</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> id, <a href="../playground/Playground.html" title="class in playground">Playground</a> playground, <a href="../controller/ObjectController.html" title="class in controller">ObjectController</a> controller, double x, double y, double vx, double 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> <span class="return-type">void</span> <span class="element-name">setColliders</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/LinkedList.html" title="class or interface in java.util" class="external-link">LinkedList</a><<a href="../collider/Collider.html" title="class in collider">Collider</a>> 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> <span class="return-type"><a href="GameObject.html" title="class in gameobjects">GameObject</a></span> <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> <span class="return-type"><a href="GameObject.html" title="class in gameobjects">GameObject</a></span> <span class="element-name">addController</span><wbr><span class="parameters">(<a href="../controller/ObjectController.html" title="class in controller">ObjectController</a> 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> <span class="return-type"><a href="GameObject.html" title="class in gameobjects">GameObject</a></span> <span class="element-name">addArtist</span><wbr><span class="parameters">(<a href="../rendering/Artist.html" title="class in rendering">Artist</a> 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> <span class="return-type">void</span> <span class="element-name">addCollider</span><wbr><span class="parameters">(<a href="../collider/Collider.html" title="class in collider">Collider</a> 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> <span class="return-type"><a href="../playground/Playground.html" title="class in playground">Playground</a></span> <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> <span class="return-type">void</span> <span class="element-name">setPlayground</span><wbr><span class="parameters">(<a href="../playground/Playground.html" title="class in playground">Playground</a> 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> <span class="return-type">void</span> <span class="element-name">setComponentProperty</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> comp, <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> property, <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> 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> <span class="return-type">void</span> <span class="element-name">setObjectFlag</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> flag, <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> 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> <span class="return-type"><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></span> <span class="element-name">getObjectFlag</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> 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> <span class="return-type"><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></span> <span class="element-name">getOrCreateObjectFlag</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> flag, <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> createValue)</span></div></section></li><li><section class="detail" id="isActive()"><h3>isActive</h3><div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <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> <span class="return-type"><a href="GameObject.html" title="class in gameobjects">GameObject</a></span> <span class="element-name">setActive</span><wbr><span class="parameters">(boolean flag)</span></div></section></li><li><section class="detail" id="getId()"><h3>getId</h3><div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><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></span> <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> <span class="return-type">double</span> <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> <span class="return-type">double</span> <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> <span class="return-type">double</span> <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> <span class="return-type">double</span> <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> <span class="return-type">void</span> <span class="element-name">setX</span><wbr><span class="parameters">(double 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> <span class="return-type">void</span> <span class="element-name">setY</span><wbr><span class="parameters">(double 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> <span class="return-type">void</span> <span class="element-name">setVX</span><wbr><span class="parameters">(double 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> <span class="return-type">void</span> <span class="element-name">setVY</span><wbr><span class="parameters">(double 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> <span class="return-type">void</span> <span class="element-name">setObjectController</span><wbr><span class="parameters">(<a href="../controller/ObjectController.html" title="class in controller">ObjectController</a> 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> <span class="return-type"><a href="../controller/ObjectController.html" title="class in controller">ObjectController</a></span> <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> <span class="return-type">double</span> <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> <span class="return-type">boolean</span> <span class="element-name">collisionDetection</span><wbr><span class="parameters">(<a href="GameObject.html" title="class in gameobjects">GameObject</a> 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> <span class="return-type">void</span> <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> <span class="return-type">void</span> <span class="element-name">draw</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/awt/Graphics2D.html" title="class or interface in java.awt" class="external-link">Graphics2D</a> 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>
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