phaser/docs/Phaser.Key.html
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<li class="class-depth-1"><a href="Phaser.GameObjectFactory.html">Factory (game.add)</a></li>
<li class="class-depth-1"><a href="Phaser.GameObjectCreator.html">Creator (game.make)</a></li>
<li class="class-depth-1"><a href="Phaser.Sprite.html">Sprite</a></li>
<li class="class-depth-1"><a href="Phaser.Image.html">Image</a></li>
<li class="class-depth-1"><a href="Phaser.Sound.html">Sound</a></li>
<li class="class-depth-1"><a href="Phaser.Particles.Arcade.Emitter.html">Particle Emitter</a></li>
<li class="class-depth-1"><a href="Phaser.Particle.html">Particle</a></li>
<li class="class-depth-1"><a href="Phaser.Text.html">Text</a></li>
<li class="class-depth-1"><a href="Phaser.Tween.html">Tween</a></li>
<li class="class-depth-1"><a href="Phaser.BitmapText.html">BitmapText</a></li>
<li class="class-depth-1"><a href="Phaser.Tilemap.html">Tilemap</a></li>
<li class="class-depth-1"><a href="Phaser.BitmapData.html">BitmapData</a></li>
<li class="class-depth-1"><a href="Phaser.RetroFont.html">RetroFont</a></li>
<li class="class-depth-1"><a href="Phaser.Button.html">Button</a></li>
<li class="class-depth-1"><a href="Phaser.Animation.html">Animation</a></li>
<li class="class-depth-1"><a href="Phaser.Graphics.html">Graphics</a></li>
<li class="class-depth-1"><a href="Phaser.RenderTexture.html">RenderTexture</a></li>
<li class="class-depth-1"><a href="Phaser.TileSprite.html">TileSprite</a></li>
</ul>
</li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Geometry<b class="caret"></b></a>
<ul class="dropdown-menu ">
<li class="class-depth-1"><a href="Phaser.Circle.html">Circle</a></li>
<li class="class-depth-1"><a href="Phaser.Rectangle.html">Rectangle</a></li>
<li class="class-depth-1"><a href="Phaser.Point.html">Point</a></li>
<li class="class-depth-1"><a href="Phaser.Line.html">Line</a></li>
<li class="class-depth-1"><a href="Phaser.Ellipse.html">Ellipse</a></li>
<li class="class-depth-1"><a href="Phaser.Polygon.html">Polygon</a></li>
</ul>
</li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Physics<b class="caret"></b></a>
<ul class="dropdown-menu ">
<li class="class-depth-1"><a href="Phaser.Physics.Arcade.html">Arcade Physics</a></li>
<li class="class-depth-2"><a href="Phaser.Physics.Arcade.Body.html">Body</a></li>
<li class="class-depth-1"><a href="Phaser.Physics.P2.html">P2 Physics</a></li>
<li class="class-depth-2"><a href="Phaser.Physics.P2.Body.html">Body</a></li>
<li class="class-depth-2"><a href="Phaser.Physics.P2.Spring.html">Spring</a></li>
<li class="class-depth-2"><a href="Phaser.Physics.P2.CollisionGroup.html">CollisionGroup</a></li>
<li class="class-depth-2"><a href="Phaser.Physics.P2.ContactMaterial.html">ContactMaterial</a></li>
<li class="class-depth-1"><a href="Phaser.Physics.Ninja.html">Ninja Physics</a></li>
<li class="class-depth-2"><a href="Phaser.Physics.Body.html">Body</a></li>
</ul>
</li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Input<b class="caret"></b></a>
<ul class="dropdown-menu ">
<li class="class-depth-1"><a href="Phaser.InputHandler.html">Input Handler</a></li>
<li class="class-depth-1"><a href="Phaser.Pointer.html">Pointer</a></li>
<li class="class-depth-1"><a href="Phaser.Mouse.html">Mouse</a></li>
<li class="class-depth-1"><a href="Phaser.Keyboard.html">Keyboard</a></li>
<li class="class-depth-1"><a href="Phaser.Key.html">Key</a></li>
<li class="class-depth-1"><a href="Phaser.Gamepad.html">Gamepad</a></li>
</ul>
</li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Community<b class="caret"></b></a>
<ul class="dropdown-menu ">
<li class="class-depth-1"><a href="https://leanpub.com/u/photonstorm">Phaser Books</a></li>
<li class="class-depth-1"><a href="https://github.com/photonstorm/phaser">Phaser Github</a></li>
<li class="class-depth-1"><a href="http://examples.phaser.io">Phaser Examples</a></li>
<li class="class-depth-1"><a href="https://github.com/photonstorm/phaser-plugins">Phaser Plugins</a></li>
<li class="class-depth-1"><a href="http://www.html5gamedevs.com/forum/14-phaser/">Forum</a></li>
<li class="class-depth-1"><a href="http://stackoverflow.com/questions/tagged/phaser-framework">Stack Overflow</a></li>
<li class="class-depth-1"><a href="https://confirmsubscription.com/h/r/369DE48E3E86AF1E">Newsletter</a></li>
<li class="class-depth-1"><a href="https://twitter.com/photonstorm">Twitter</a></li>
<li class="class-depth-1"><a href="http://www.html5gamedevs.com/topic/4470-official-phaserio-irc-channel-phaserio-on-freenode/">IRC</a></li>
<li class="class-depth-1"><a href="https://www.gittip.com/photonstorm/">GitTip</a></li>
</ul>
</li>
</ul>
</div>
</div>
<div class="row-fluid">
<div class="span8">
<div id="main">
<!--<h1 class="page-title">Class: Key</h1>-->
<section>
<header>
<h2>
<span class="ancestors"><a href="Phaser.html">Phaser</a>.</span>
Key
</h2>
</header>
<article>
<div class="container-overview">
<dt>
<h4 class="name "
id="Key"><span class="type-signature"></span>new Key<span class="signature">(game, keycode)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>If you need more fine-grained control over the handling of specific keys you can create and use Phaser.Key objects.</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>game</code></td>
<td class="type">
<span class="param-type"><a href="Phaser.Game.html">Phaser.Game</a></span>
</td>
<td class="description last"><p>Current game instance.</p></td>
</tr>
<tr>
<td class="name"><code>keycode</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="description last"><p>The key code this Key is responsible for.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-15">line 15</a>
</dt>
</dl>
</dd>
</div>
<h3 class="subsection-title">Members</h3>
<dl>
<dt>
<h4 class="name "
id="altKey"><span class="type-signature"></span>altKey<span class="type-signature"> :boolean</span></h4>
</dt>
<dd>
<div class="description">
<p>The down state of the ALT key, if pressed at the same time as this key.</p>
</div>
<dl class="details">
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>false</li></ul></dd>
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-51">line 51</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="ctrlKey"><span class="type-signature"></span>ctrlKey<span class="type-signature"> :boolean</span></h4>
</dt>
<dd>
<div class="description">
<p>The down state of the CTRL key, if pressed at the same time as this key.</p>
</div>
<dl class="details">
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>false</li></ul></dd>
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-57">line 57</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="duration"><span class="type-signature"></span>duration<span class="type-signature"> :number</span></h4>
</dt>
<dd>
<div class="description">
<p>If the key is down this value holds the duration of that key press and is constantly updated.
If the key is up it holds the duration of the previous down session. The number of milliseconds this key has been held down for.</p>
</div>
<dl class="details">
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>0</li></ul></dd>
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-76">line 76</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="event"><span class="type-signature">&lt;readonly> </span>event<span class="type-signature"> :object</span></h4>
</dt>
<dd>
<div class="description">
<p>Stores the most recent DOM event.</p>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-33">line 33</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="game"><span class="type-signature"></span>game<span class="type-signature"> :<a href="Phaser.Game.html">Phaser.Game</a></span></h4>
</dt>
<dd>
<div class="description">
<p>A reference to the currently running game.</p>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-20">line 20</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="isDown"><span class="type-signature"></span>isDown<span class="type-signature"> :boolean</span></h4>
</dt>
<dd>
<div class="description">
<p>The &quot;down&quot; state of the key. This will remain <code>true</code> for as long as the keyboard thinks this key is held down.</p>
</div>
<dl class="details">
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>false</li></ul></dd>
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-39">line 39</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="isUp"><span class="type-signature"></span>isUp<span class="type-signature"> :boolean</span></h4>
</dt>
<dd>
<div class="description">
<p>The &quot;up&quot; state of the key. This will remain <code>true</code> for as long as the keyboard thinks this key is up.</p>
</div>
<dl class="details">
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>true</li></ul></dd>
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-45">line 45</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="keyCode"><span class="type-signature"></span>keyCode<span class="type-signature"> :number</span></h4>
</dt>
<dd>
<div class="description">
<p>The keycode of this key.</p>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-93">line 93</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="onDown"><span class="type-signature"></span>onDown<span class="type-signature"> :<a href="Phaser.Signal.html">Phaser.Signal</a></span></h4>
</dt>
<dd>
<div class="description">
<p>This Signal is dispatched every time this Key is pressed down. It is only dispatched once (until the key is released again).</p>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-98">line 98</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="onHoldCallback"><span class="type-signature"></span>onHoldCallback<span class="type-signature"> :function</span></h4>
</dt>
<dd>
<div class="description">
<p>A callback that is called while this Key is held down. Warning: Depending on refresh rate that could be 60+ times per second.</p>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-103">line 103</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="onHoldContext"><span class="type-signature"></span>onHoldContext<span class="type-signature"> :object</span></h4>
</dt>
<dd>
<div class="description">
<p>The context under which the onHoldCallback will be called.</p>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-108">line 108</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="onUp"><span class="type-signature"></span>onUp<span class="type-signature"> :<a href="Phaser.Signal.html">Phaser.Signal</a></span></h4>
</dt>
<dd>
<div class="description">
<p>This Signal is dispatched every time this Key is pressed down. It is only dispatched once (until the key is released again).</p>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-113">line 113</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="repeats"><span class="type-signature"></span>repeats<span class="type-signature"> :number</span></h4>
</dt>
<dd>
<div class="description">
<p>If a key is held down this holds down the number of times the key has 'repeated'.</p>
</div>
<dl class="details">
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>0</li></ul></dd>
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-88">line 88</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="shiftKey"><span class="type-signature"></span>shiftKey<span class="type-signature"> :boolean</span></h4>
</dt>
<dd>
<div class="description">
<p>The down state of the SHIFT key, if pressed at the same time as this key.</p>
</div>
<dl class="details">
<dt class="tag-default">Default Value:</dt>
<dd class="tag-default"><ul class="dummy"><li>false</li></ul></dd>
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-63">line 63</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="timeDown"><span class="type-signature"></span>timeDown<span class="type-signature"> :number</span></h4>
</dt>
<dd>
<div class="description">
<p>The timestamp when the key was last pressed down. This is based on Game.time.now.</p>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-68">line 68</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="timeUp"><span class="type-signature"></span>timeUp<span class="type-signature"> :number</span></h4>
</dt>
<dd>
<div class="description">
<p>The timestamp when the key was last released. This is based on Game.time.now.</p>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-82">line 82</a>
</dt>
</dl>
</dd>
</dl>
<h3 class="subsection-title">Methods</h3>
<dl>
<dt>
<h4 class="name "
id="downDuration"><span class="type-signature"></span>downDuration<span class="signature">(<span class="optional">duration</span>)</span><span class="type-signature"> &rarr; {boolean}</span></h4>
</dt>
<dd>
<div class="description">
<p>Returns <code>true</code> if the Key was pressed down within the <code>duration</code> value given, or <code>false</code> if it either isn't down,
or was pressed down longer ago than then given duration.</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>duration</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
50
</td>
<td class="description last"><p>The duration within which the key is considered as being just pressed. Given in ms.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">boolean</span>
-
</div>
<div class="returns-desc param-desc">
<p>True if the key was pressed down within the given duration.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-253">line 253</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="processKeyDown"><span class="type-signature">&lt;internal> </span>processKeyDown<span class="signature">(event)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Called automatically by Phaser.Keyboard.</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>event</code></td>
<td class="type">
<span class="param-type">KeyboardEvent</span>
</td>
<td class="description last"><p>The DOM event that triggered this.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="important tag-deprecated">Internal:</dt>
<dd class="tag-deprecated"><ul>
<li>This member is <em>internal (protected)</em> and may be modified or removed in the future.</li>
</ul></dd>
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-154">line 154</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="processKeyUp"><span class="type-signature">&lt;internal> </span>processKeyUp<span class="signature">(event)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Called automatically by Phaser.Keyboard.</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>event</code></td>
<td class="type">
<span class="param-type">KeyboardEvent</span>
</td>
<td class="description last"><p>The DOM event that triggered this.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="important tag-deprecated">Internal:</dt>
<dd class="tag-deprecated"><ul>
<li>This member is <em>internal (protected)</em> and may be modified or removed in the future.</li>
</ul></dd>
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-191">line 191</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="reset"><span class="type-signature"></span>reset<span class="signature">(<span class="optional">hard</span>)</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Resets the state of this Key.</p>
<p>This sets isDown to false, isUp to true, resets the time to be the current time, and <em>enables</em> the key.
In addition, if it is a &quot;hard reset&quot;, it clears clears any callbacks associated with the onDown and onUp events and removes the onHoldCallback.</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>hard</code></td>
<td class="type">
<span class="param-type">boolean</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
true
</td>
<td class="description last"><p>A soft reset won't reset any events or callbacks; a hard reset will.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-222">line 222</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="update"><span class="type-signature">&lt;internal> </span>update<span class="signature">()</span><span class="type-signature"></span></h4>
</dt>
<dd>
<div class="description">
<p>Called automatically by Phaser.Keyboard.</p>
</div>
<dl class="details">
<dt class="important tag-deprecated">Internal:</dt>
<dd class="tag-deprecated"><ul>
<li>This member is <em>internal (protected)</em> and may be modified or removed in the future.</li>
</ul></dd>
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-131">line 131</a>
</dt>
</dl>
</dd>
<dt>
<h4 class="name "
id="upDuration"><span class="type-signature"></span>upDuration<span class="signature">(<span class="optional">duration</span>)</span><span class="type-signature"> &rarr; {boolean}</span></h4>
</dt>
<dd>
<div class="description">
<p>Returns <code>true</code> if the Key was pressed down within the <code>duration</code> value given, or <code>false</code> if it either isn't down,
or was pressed down longer ago than then given duration.</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>duration</code></td>
<td class="type">
<span class="param-type">number</span>
</td>
<td class="attributes">
&lt;optional><br>
</td>
<td class="default">
50
</td>
<td class="description last"><p>The duration within which the key is considered as being just released. Given in ms.</p></td>
</tr>
</tbody>
</table>
<h5>Returns:</h5>
<div class="returns">
<div class="returns-type">
<span class="param-type">boolean</span>
-
</div>
<div class="returns-desc param-desc">
<p>True if the key was released within the given duration.</p>
</div>
</div>
<dl class="details">
<dt class="tag-source">Source -
<a href="Key.js.html">input/Key.js</a>, <a href="Key.js.html#sunlight-1-line-269">line 269</a>
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