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phaser/docs/Phaser.Circle.html
photonstorm 5b73bb21bb Sprite would glitch if it had an ArcadePhysics Body that was re-positioned out of loop. 
Sprite would "fly off" if it had an ArcadePhysics Body that was re-positioned during an input handler.
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Phaser Class: Circle</title>
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<a href="Phaser.Easing.Quartic.html">Quartic</a>
</li>
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<a href="Phaser.Easing.Quintic.html">Quintic</a>
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<a href="Phaser.Easing.Sinusoidal.html">Sinusoidal</a>
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<a href="Phaser.Ellipse.html">Ellipse</a>
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<a href="Phaser.Frame.html">Frame</a>
</li>
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<a href="Phaser.FrameData.html">FrameData</a>
</li>
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<a href="Phaser.Game.html">Game</a>
</li>
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<a href="Phaser.GameObjectCreator.html">GameObjectCreator</a>
</li>
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<a href="Phaser.GameObjectFactory.html">GameObjectFactory</a>
</li>
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<a href="Phaser.Gamepad.html">Gamepad</a>
</li>
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<a href="Phaser.GamepadButton.html">GamepadButton</a>
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<a href="Phaser.Graphics.html">Graphics</a>
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<a href="Phaser.Group.html">Group</a>
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<a href="Phaser.Image.html">Image</a>
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<a href="Phaser.Input.html">Input</a>
</li>
<li>
<a href="Phaser.InputHandler.html">InputHandler</a>
</li>
<li>
<a href="Phaser.Key.html">Key</a>
</li>
<li>
<a href="Phaser.Keyboard.html">Keyboard</a>
</li>
<li>
<a href="Phaser.Line.html">Line</a>
</li>
<li>
<a href="Phaser.LinkedList.html">LinkedList</a>
</li>
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</li>
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</li>
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<a href="Phaser.Mouse.html">Mouse</a>
</li>
<li>
<a href="Phaser.MSPointer.html">MSPointer</a>
</li>
<li>
<a href="Phaser.Net.html">Net</a>
</li>
<li>
<a href="Phaser.Particles.html">Particles</a>
</li>
<li>
<a href="Phaser.Particles.Arcade.Emitter.html">Emitter</a>
</li>
<li>
<a href="Phaser.Physics.html">Physics</a>
</li>
<li>
<a href="Phaser.Physics.Arcade.html">Arcade</a>
</li>
<li>
<a href="Phaser.Physics.Arcade.Body.html">Body</a>
</li>
<li>
<a href="Phaser.Physics.Ninja.html">Ninja</a>
</li>
<li>
<a href="Phaser.Physics.Ninja.AABB.html">AABB</a>
</li>
<li>
<a href="Phaser.Physics.Ninja.Body.html">Body</a>
</li>
<li>
<a href="Phaser.Physics.Ninja.Circle.html">Circle</a>
</li>
<li>
<a href="Phaser.Physics.Ninja.Tile.html">Tile</a>
</li>
<li>
<a href="Phaser.Physics.P2.html">P2</a>
</li>
<li>
<a href="Phaser.Physics.P2.Body.html">Body</a>
</li>
<li>
<a href="Phaser.Physics.P2.BodyDebug.html">BodyDebug</a>
</li>
<li>
<a href="Phaser.Physics.P2.CollisionGroup.html">CollisionGroup</a>
</li>
<li>
<a href="Phaser.Physics.P2.ContactMaterial.html">ContactMaterial</a>
</li>
<li>
<a href="Phaser.Physics.P2.DistanceConstraint.html">DistanceConstraint</a>
</li>
<li>
<a href="Phaser.Physics.P2.GearConstraint.html">GearConstraint</a>
</li>
<li>
<a href="Phaser.Physics.P2.InversePointProxy.html">InversePointProxy</a>
</li>
<li>
<a href="Phaser.Physics.P2.LockConstraint.html">LockConstraint</a>
</li>
<li>
<a href="Phaser.Physics.P2.Material.html">Material</a>
</li>
<li>
<a href="Phaser.Physics.P2.PointProxy.html">PointProxy</a>
</li>
<li>
<a href="Phaser.Physics.P2.PrismaticConstraint.html">PrismaticConstraint</a>
</li>
<li>
<a href="Phaser.Physics.P2.RevoluteConstraint.html">RevoluteConstraint</a>
</li>
<li>
<a href="Phaser.Physics.P2.Spring.html">Spring</a>
</li>
<li>
<a href="Phaser.Plugin.html">Plugin</a>
</li>
<li>
<a href="Phaser.PluginManager.html">PluginManager</a>
</li>
<li>
<a href="Phaser.Point.html">Point</a>
</li>
<li>
<a href="Phaser.Pointer.html">Pointer</a>
</li>
<li>
<a href="Phaser.Polygon.html">Polygon</a>
</li>
<li>
<a href="Phaser.QuadTree.html">QuadTree</a>
</li>
<li>
<a href="Phaser.RandomDataGenerator.html">RandomDataGenerator</a>
</li>
<li>
<a href="Phaser.Rectangle.html">Rectangle</a>
</li>
<li>
<a href="Phaser.RenderTexture.html">RenderTexture</a>
</li>
<li>
<a href="Phaser.RequestAnimationFrame.html">RequestAnimationFrame</a>
</li>
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</li>
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</li>
<li>
<a href="Phaser.Sound.html">Sound</a>
</li>
<li>
<a href="Phaser.SoundManager.html">SoundManager</a>
</li>
<li>
<a href="Phaser.Sprite.html">Sprite</a>
</li>
<li>
<a href="Phaser.SpriteBatch.html">SpriteBatch</a>
</li>
<li>
<a href="Phaser.Stage.html">Stage</a>
</li>
<li>
<a href="Phaser.State.html">State</a>
</li>
<li>
<a href="Phaser.StateManager.html">StateManager</a>
</li>
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<a href="Phaser.Text.html">Text</a>
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</li>
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<a href="Phaser.TilemapParser.html">TilemapParser</a>
</li>
<li>
<a href="Phaser.Tileset.html">Tileset</a>
</li>
<li>
<a href="Phaser.TileSprite.html">TileSprite</a>
</li>
<li>
<a href="Phaser.Time.html">Time</a>
</li>
<li>
<a href="Phaser.Timer.html">Timer</a>
</li>
<li>
<a href="Phaser.TimerEvent.html">TimerEvent</a>
</li>
<li>
<a href="Phaser.Touch.html">Touch</a>
</li>
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<a href="Phaser.Tween.html">Tween</a>
</li>
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<a href="Phaser.TweenManager.html">TweenManager</a>
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<a href="Phaser.Utils.html">Utils</a>
</li>
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<a href="Phaser.Utils.Debug.html">Debug</a>
</li>
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<a href="Phaser.World.html">World</a>
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<a href="SignalBinding.html">SignalBinding</a>
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</ul>
</li>
</ul>
</div>
</div>
<div class="row-fluid">
<div class="span8">
<div id="main">
<h1 class="page-title">Class: Circle</h1>
<section>
<header>
<h2>
<span class="ancestors"><a href="Phaser.html">Phaser</a>.</span>
Circle
</h2>
<div class="class-description"><p>Phaser - Circle</p></div>
</header>
<article>
<div class="container-overview">
<dt>
<h4 class="name" id="Circle"><span class="type-signature"></span>new Circle<span class="signature">(<span class="optional">x</span>, <span class="optional">y</span>, <span class="optional">diameter</span>)</span><span class="type-signature"> &rarr; {<a href="Phaser.Circle.html">Phaser.Circle</a>}</span></h4>
</dt>
<dd>
<div class="description">
<p>Creates a new Circle object with the center coordinate specified by the x and y parameters and the diameter specified by the diameter parameter. If you call this function without parameters, a circle with x, y, diameter and radius properties set to 0 is created.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th>Default</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>x</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>The x coordinate of the center of the circle.</p></td>
</tr>
<tr>
<td class="name"><code>y</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>The y coordinate of the center of the circle.</p></td>
</tr>
<tr>
<td class="name"><code>diameter</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
0
</td>
<td class="description last"><p>The diameter of the circle.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-17">line 17</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>This circle object</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type"><a href="Phaser.Circle.html">Phaser.Circle</a></span>
</dd>
</dl>
</dd>
</div>
<h3 class="subsection-title">Members</h3>
<dl>
<dt>
<h4 class="name" id="area"><span class="type-signature">&lt;readonly> </span>area<span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>The area of this Circle.</p>
</div>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>area</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The area of this circle.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-375">line 375</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="bottom"><span class="type-signature"></span>bottom<span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>The sum of the y and radius properties. Changing the bottom property of a Circle object has no effect on the x and y properties, but does change the diameter.</p>
</div>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>bottom</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Gets or sets the bottom of the circle.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-348">line 348</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="diameter"><span class="type-signature"></span>diameter<span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>The largest distance between any two points on the circle. The same as the radius * 2.</p>
</div>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>diameter</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Gets or sets the diameter of the circle.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-222">line 222</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="empty"><span class="type-signature"></span>empty<span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Determines whether or not this Circle object is empty. Will return a value of true if the Circle objects diameter is less than or equal to 0; otherwise false.
If set to true it will reset all of the Circle objects properties to 0. A Circle object is empty if its diameter is less than or equal to 0.</p>
</div>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>empty</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="description last"><p>Gets or sets the empty state of the circle.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-398">line 398</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="left"><span class="type-signature"></span>left<span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>The x coordinate of the leftmost point of the circle. Changing the left property of a Circle object has no effect on the x and y properties. However it does affect the diameter, whereas changing the x value does not affect the diameter property.</p>
</div>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-267">line 267</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="radius"><span class="type-signature"></span>radius<span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>The length of a line extending from the center of the circle to any point on the circle itself. The same as half the diameter.</p>
</div>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>radius</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Gets or sets the radius of the circle.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-244">line 244</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="right"><span class="type-signature"></span>right<span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>The x coordinate of the rightmost point of the circle. Changing the right property of a Circle object has no effect on the x and y properties. However it does affect the diameter, whereas changing the x value does not affect the diameter property.</p>
</div>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>right</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Gets or sets the value of the rightmost point of the circle.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-294">line 294</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="top"><span class="type-signature"></span>top<span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>The sum of the y minus the radius property. Changing the top property of a Circle object has no effect on the x and y properties, but does change the diameter.</p>
</div>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>top</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Gets or sets the top of the circle.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-321">line 321</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="x"><span class="type-signature"></span>x<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>x</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The x coordinate of the center of the circle.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-26">line 26</a>
</li></ul></dd>
</dl>
</dd>
<dt>
<h4 class="name" id="y"><span class="type-signature"></span>y<span class="type-signature"></span></h4>
</dt>
<dd>
<dl class="details">
<h5 class="subsection-title">Properties:</h5>
<dl>
<table class="props table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>y</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The y coordinate of the center of the circle.</p></td>
</tr>
</tbody>
</table>
</dl>
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-31">line 31</a>
</li></ul></dd>
</dl>
</dd>
</dl>
<h3 class="subsection-title">Methods</h3>
<dl>
<dt>
<h4 class="name" id="circumferencePoint"><span class="type-signature">&lt;static> </span>circumferencePoint<span class="signature">(a, angle, asDegrees, <span class="optional">out</span>)</span><span class="type-signature"> &rarr; {<a href="Phaser.Point.html">Phaser.Point</a>}</span></h4>
</dt>
<dd>
<div class="description">
<p>Returns a Point object containing the coordinates of a point on the circumference of the Circle based on the given angle.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>a</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Circle.html">Phaser.Circle</a></span>
</td>
<td class="attributes">
</td>
<td class="description last"><p>The first Circle object.</p></td>
</tr>
<tr>
<td class="name"><code>angle</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
</td>
<td class="description last"><p>The angle in radians (unless asDegrees is true) to return the point from.</p></td>
</tr>
<tr>
<td class="name"><code>asDegrees</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
</td>
<td class="description last"><p>Is the given angle in radians (false) or degrees (true)?</p></td>
</tr>
<tr>
<td class="name"><code>out</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Point.html">Phaser.Point</a></span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="description last"><p>An optional Point object to put the result in to. If none specified a new Point object will be created.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-469">line 469</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The Point object holding the result.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type"><a href="Phaser.Point.html">Phaser.Point</a></span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="contains"><span class="type-signature">&lt;static> </span>contains<span class="signature">(a, x, y)</span><span class="type-signature"> &rarr; {boolean}</span></h4>
</dt>
<dd>
<div class="description">
<p>Return true if the given x/y coordinates are within the Circle object.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>a</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Circle.html">Phaser.Circle</a></span>
</td>
<td class="description last"><p>The Circle to be checked.</p></td>
</tr>
<tr>
<td class="name"><code>x</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The X value of the coordinate to test.</p></td>
</tr>
<tr>
<td class="name"><code>y</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The Y value of the coordinate to test.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-421">line 421</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>True if the coordinates are within this circle, otherwise false.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">boolean</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="equals"><span class="type-signature">&lt;static> </span>equals<span class="signature">(a, b)</span><span class="type-signature"> &rarr; {boolean}</span></h4>
</dt>
<dd>
<div class="description">
<p>Determines whether the two Circle objects match. This method compares the x, y and diameter properties.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>a</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Circle.html">Phaser.Circle</a></span>
</td>
<td class="description last"><p>The first Circle object.</p></td>
</tr>
<tr>
<td class="name"><code>b</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Circle.html">Phaser.Circle</a></span>
</td>
<td class="description last"><p>The second Circle object.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-446">line 446</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>A value of true if the object has exactly the same values for the x, y and diameter properties as this Circle object; otherwise false.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">boolean</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="intersects"><span class="type-signature">&lt;static> </span>intersects<span class="signature">(a, b)</span><span class="type-signature"> &rarr; {boolean}</span></h4>
</dt>
<dd>
<div class="description">
<p>Determines whether the two Circle objects intersect.
This method checks the radius distances between the two Circle objects to see if they intersect.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>a</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Circle.html">Phaser.Circle</a></span>
</td>
<td class="description last"><p>The first Circle object.</p></td>
</tr>
<tr>
<td class="name"><code>b</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Circle.html">Phaser.Circle</a></span>
</td>
<td class="description last"><p>The second Circle object.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-457">line 457</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>A value of true if the specified object intersects with this Circle object; otherwise false.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">boolean</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="intersectsRectangle"><span class="type-signature">&lt;static> </span>intersectsRectangle<span class="signature">(c, r)</span><span class="type-signature"> &rarr; {boolean}</span></h4>
</dt>
<dd>
<div class="description">
<p>Checks if the given Circle and Rectangle objects intersect.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>c</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Circle.html">Phaser.Circle</a></span>
</td>
<td class="description last"><p>The Circle object to test.</p></td>
</tr>
<tr>
<td class="name"><code>r</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Rectangle.html">Phaser.Rectangle</a></span>
</td>
<td class="description last"><p>The Rectangle object to test.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-495">line 495</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>True if the two objects intersect, otherwise false.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">boolean</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="circumference"><span class="type-signature"></span>circumference<span class="signature">()</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>The circumference of the circle.</p>
</div>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-56">line 56</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">number</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="circumferencePoint"><span class="type-signature"></span>circumferencePoint<span class="signature">(angle, asDegrees, <span class="optional">out</span>)</span><span class="type-signature"> &rarr; {<a href="Phaser.Point.html">Phaser.Point</a>}</span></h4>
</dt>
<dd>
<div class="description">
<p>Returns a Point object containing the coordinates of a point on the circumference of the Circle based on the given angle.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>angle</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
</td>
<td class="description last"><p>The angle in radians (unless asDegrees is true) to return the point from.</p></td>
</tr>
<tr>
<td class="name"><code>asDegrees</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
</td>
<td class="description last"><p>Is the given angle in radians (false) or degrees (true)?</p></td>
</tr>
<tr>
<td class="name"><code>out</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Point.html">Phaser.Point</a></span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="description last"><p>An optional Point object to put the result in to. If none specified a new Point object will be created.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-169">line 169</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The Point object holding the result.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type"><a href="Phaser.Point.html">Phaser.Point</a></span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="clone"><span class="type-signature"></span>clone<span class="signature">(out)</span><span class="type-signature"> &rarr; {<a href="Phaser.Circle.html">Phaser.Circle</a>}</span></h4>
</dt>
<dd>
<div class="description">
<p>Returns a new Circle object with the same values for the x, y, width, and height properties as this Circle object.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>out</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Circle.html">Phaser.Circle</a></span>
</td>
<td class="description last"><p>Optional Circle object. If given the values will be set into the object, otherwise a brand new Circle object will be created and returned.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-135">line 135</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The cloned Circle object.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type"><a href="Phaser.Circle.html">Phaser.Circle</a></span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="contains"><span class="type-signature"></span>contains<span class="signature">(x, y)</span><span class="type-signature"> &rarr; {boolean}</span></h4>
</dt>
<dd>
<div class="description">
<p>Return true if the given x/y coordinates are within this Circle object.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>x</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The X value of the coordinate to test.</p></td>
</tr>
<tr>
<td class="name"><code>y</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The Y value of the coordinate to test.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-156">line 156</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>True if the coordinates are within this circle, otherwise false.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">boolean</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="copyFrom"><span class="type-signature"></span>copyFrom<span class="signature">(source)</span><span class="type-signature"> &rarr; {Circle}</span></h4>
</dt>
<dd>
<div class="description">
<p>Copies the x, y and diameter properties from any given object to this Circle.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>source</code></td>
<td class="type">
<span class="param-type">any</span>
</td>
<td class="description last"><p>The object to copy from.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-84">line 84</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>This Circle object.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Circle</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="copyTo"><span class="type-signature"></span>copyTo<span class="signature">(dest)</span><span class="type-signature"> &rarr; {Object}</span></h4>
</dt>
<dd>
<div class="description">
<p>Copies the x, y and diameter properties from this Circle to any given object.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>dest</code></td>
<td class="type">
<span class="param-type">any</span>
</td>
<td class="description last"><p>The object to copy to.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-96">line 96</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>This dest object.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Object</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="distance"><span class="type-signature"></span>distance<span class="signature">(dest, <span class="optional">round</span>)</span><span class="type-signature"> &rarr; {number}</span></h4>
</dt>
<dd>
<div class="description">
<p>Returns the distance from the center of the Circle object to the given object
(can be Circle, Point or anything with x/y properties)</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>dest</code></td>
<td class="type">
<span class="param-type">object</span>
</td>
<td class="attributes">
</td>
<td class="description last"><p>The target object. Must have visible x and y properties that represent the center of the object.</p></td>
</tr>
<tr>
<td class="name"><code>round</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="description last"><p>Round the distance to the nearest integer (default false).</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-112">line 112</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>The distance between this Point object and the destination Point object.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">number</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="offset"><span class="type-signature"></span>offset<span class="signature">(dx, dy)</span><span class="type-signature"> &rarr; {Circle}</span></h4>
</dt>
<dd>
<div class="description">
<p>Adjusts the location of the Circle object, as determined by its center coordinate, by the specified amounts.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>dx</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Moves the x value of the Circle object by this amount.</p></td>
</tr>
<tr>
<td class="name"><code>dy</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>Moves the y value of the Circle object by this amount.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-183">line 183</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>This Circle object.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Circle</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="offsetPoint"><span class="type-signature"></span>offsetPoint<span class="signature">(point)</span><span class="type-signature"> &rarr; {Circle}</span></h4>
</dt>
<dd>
<div class="description">
<p>Adjusts the location of the Circle object using a Point object as a parameter. This method is similar to the Circle.offset() method, except that it takes a Point object as a parameter.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>point</code></td>
<td class="type">
<span class="param-type">Point</span>
</td>
<td class="description last"><p>A Point object to use to offset this Circle object (or any valid object with exposed x and y properties).</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-199">line 199</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>This Circle object.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Circle</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="setTo"><span class="type-signature"></span>setTo<span class="signature">(x, y, diameter)</span><span class="type-signature"> &rarr; {Circle}</span></h4>
</dt>
<dd>
<div class="description">
<p>Sets the members of Circle to the specified values.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>x</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The x coordinate of the center of the circle.</p></td>
</tr>
<tr>
<td class="name"><code>y</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The y coordinate of the center of the circle.</p></td>
</tr>
<tr>
<td class="name"><code>diameter</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The diameter of the circle in pixels.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-65">line 65</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>This circle object.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Circle</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="toString"><span class="type-signature"></span>toString<span class="signature">()</span><span class="type-signature"> &rarr; {string}</span></h4>
</dt>
<dd>
<div class="description">
<p>Returns a string representation of this object.</p>
</div>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="Circle.js.html">geom/Circle.js</a>, <a href="Circle.js.html#sunlight-1-line-209">line 209</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>a string representation of the instance.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">string</span>
</dd>
</dl>
</dd>
</dl>
</article>
</section>
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Phaser Copyright © 2012-2014 Photon Storm Ltd.
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Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.3.0-dev</a>
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