@aidinabedi/playcanvas

<!doctype html> <html lang="en"> <head> <title>pc.Mouse | PlayCanvas API Reference</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link rel="icon" type="image/png" href="images/playcanvas-favicon.png"> <link href="styles/styles.css" rel="stylesheet"> <link href="styles/playcanvas-theme.css" rel="stylesheet"> <script src="scripts/interface.js"></script> <script src="scripts/highlight.min.js"></script> <script>hljs.initHighlightingOnLoad();</script> </head> <body> <header> <nav class="header-width"> <a href="/" class="header-title"><img src="images/playcanvas-manual.png"></a> <ul class="header-menu"> <li class="user-manual"><a href="https://developer.playcanvas.com/en/user-manual/">User Manual</a></li> <li class="tutorials"><a href="https://developer.playcanvas.com/en/tutorials">Tutorials</a></li> <li class="forum"><a href="https://forum.playcanvas.com/" target="_blank">Forum</a></li> <li class="api active"><a href="/api/">API Reference</a></li> </ul> 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href="pc.Tags.html">Tags</a></li> <li id="nav-pc.Texture"><a href="pc.Texture.html">Texture</a></li> <li id="nav-pc.TextureAtlas"><a href="pc.TextureAtlas.html">TextureAtlas</a></li> <li id="nav-pc.TextureAtlasHandler"><a href="pc.TextureAtlasHandler.html">TextureAtlasHandler</a></li> <li id="nav-pc.TextureHandler"><a href="pc.TextureHandler.html">TextureHandler</a></li> <li id="nav-pc.Touch"><a href="pc.Touch.html">Touch</a></li> <li id="nav-pc.TouchDevice"><a href="pc.TouchDevice.html">TouchDevice</a></li> <li id="nav-pc.TouchEvent"><a href="pc.TouchEvent.html">TouchEvent</a></li> <li id="nav-pc.TransformFeedback"><a href="pc.TransformFeedback.html">TransformFeedback</a></li> <li id="nav-pc.Vec2"><a href="pc.Vec2.html">Vec2</a></li> <li id="nav-pc.Vec3"><a href="pc.Vec3.html">Vec3</a></li> <li id="nav-pc.Vec4"><a href="pc.Vec4.html">Vec4</a></li> <li id="nav-pc.VertexAttributeDescription"><a href="pc.VertexAttributeDescription.html">VertexAttributeDescription</a></li> <li id="nav-pc.VertexAttributeElement"><a href="pc.VertexAttributeElement.html">VertexAttributeElement</a></li> <li id="nav-pc.VertexBuffer"><a href="pc.VertexBuffer.html">VertexBuffer</a></li> <li id="nav-pc.VertexFormat"><a href="pc.VertexFormat.html">VertexFormat</a></li> <li id="nav-pc.VertexIterator"><a href="pc.VertexIterator.html">VertexIterator</a></li> <li id="nav-pc.VertexIteratorAccessor"><a href="pc.VertexIteratorAccessor.html">VertexIteratorAccessor</a></li> <li id="nav-pc.XrInput"><a href="pc.XrInput.html">XrInput</a></li> <li id="nav-pc.XrInputSource"><a href="pc.XrInputSource.html">XrInputSource</a></li> <li id="nav-pc.XrManager"><a href="pc.XrManager.html">XrManager</a></li> </ul> </nav> <div class='sidebarToggle'><span></span>Class List</div> <main class="cls"> <h1>pc.Mouse</h1> <p class="extends">Extends: <a href="pc.EventHandler.html">pc.EventHandler</a></p> <p><p>A Mouse Device, bound to a DOM Element.</p></p>  <h1>Summary</h1>    <h3>Static Methods</h3> <table class="properties"> <tr> <td><a href="#isPointerLocked">isPointerLocked</a></td><td><p>Check if the mouse pointer has been locked, using pc.Mouse#enabledPointerLock.</td> </tr> </table>   <h3>Methods</h3> <table class="properties"> <tr> <td><a href="#attach">attach</a></td><td><p>Attach mouse events to an Element.</td> </tr> <tr> <td><a href="#detach">detach</a></td><td><p>Remove mouse events from the element that it is attached to.</td> </tr> <tr> <td><a href="#disableContextMenu">disableContextMenu</a></td><td><p>Disable the context menu usually activated with right-click.</td> </tr> <tr> <td><a href="#disablePointerLock">disablePointerLock</a></td><td><p>Return control of the mouse cursor to the user.</td> </tr> <tr> <td><a href="#enableContextMenu">enableContextMenu</a></td><td><p>Enable the context menu usually activated with right-click.</td> </tr> <tr> <td><a href="#enablePointerLock">enablePointerLock</a></td><td><p>Request that the browser hides the mouse cursor and locks the mouse to the element.</td> </tr> <tr> <td><a href="#isPressed">isPressed</a></td><td><p>Returns true if the mouse button is currently pressed.</td> </tr> <tr> <td><a href="#update">update</a></td><td><p>Update method, should be called once per frame.</td> </tr> <tr> <td><a href="#wasPressed">wasPressed</a></td><td><p>Returns true if the mouse button was pressed this frame (since the last call to update).</td> </tr> <tr> <td><a href="#wasReleased">wasReleased</a></td><td><p>Returns true if the mouse button was released this frame (since the last call to update).</td> </tr> </table>  <h3>Events</h3> <table class="properties"> <tr> <td><a href="#event:mousedown">mousedown</a></td><td><p>Fired when a mouse button is pressed.</td> </tr> <tr> <td><a href="#event:mousemove">mousemove</a></td><td><p>Fired when the mouse is moved.</td> </tr> <tr> <td><a href="#event:mouseup">mouseup</a></td><td><p>Fired when a mouse button is released.</td> </tr> <tr> <td><a href="#event:mousewheel">mousewheel</a></td><td><p>Fired when a mouse wheel is moved.</td> </tr> </table> <h2>Inherited</h2>    <h3>Methods</h3> <table class="properties"> <tr> <td><a href="#fire">fire</a></td><td><p>Fire an event, all additional arguments are passed on to the event listener.</td> </tr> <tr> <td><a href="#hasEvent">hasEvent</a></td><td><p>Test if there are any handlers bound to an event name.</td> </tr> <tr> <td><a href="#off">off</a></td><td><p>Detach an event handler from an event.</td> </tr> <tr> <td><a href="#on">on</a></td><td><p>Attach an event handler to an event.</td> </tr> <tr> <td><a href="#once">once</a></td><td><p>Attach an event handler to an event.</td> </tr> </table>  <h1>Details</h1>    <h2>Static Methods</h2> <div id="isPointerLocked"> <h3 class="methodname">isPointerLocked() <a class="font-icon" href="#isPointerLocked"></a></h3> <p><p>Check if the mouse pointer has been locked, using pc.Mouse#enabledPointerLock.</p></p> <h4>Returns</h4> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean">boolean</a> <p>True if locked.</p> </div> <h2>Constructor</h2>  <div id="Mouse"> <h3 class="methodname">Mouse([element]) <a class="font-icon" href="#Mouse"></a></h3> <p><p>Create a new Mouse device.</p></p> <h4>Parameters</h4> <table> <tr> <td>element</td><td><a href="https://developer.mozilla.org/en-US/docs/Web/API/Element">Element</a></td><td><p>The Element that the mouse events are attached to.</p></td> </tr> </table> </div>   <h2>Methods</h2> <div id="attach"> <h3 class="methodname">attach(element) <a class="font-icon" href="#attach"></a></h3> <p><p>Attach mouse events to an Element.</p></p> <h4>Parameters</h4> <table> <tr> <td>element</td><td><a href="https://developer.mozilla.org/en-US/docs/Web/API/Element">Element</a></td><td><p>The DOM element to attach the mouse to.</p></td> </tr> </table> </div> <div id="detach"> <h3 class="methodname">detach() <a class="font-icon" href="#detach"></a></h3> <p><p>Remove mouse events from the element that it is attached to.</p></p> </div> <div id="disableContextMenu"> <h3 class="methodname">disableContextMenu() <a class="font-icon" href="#disableContextMenu"></a></h3> <p><p>Disable the context menu usually activated with right-click.</p></p> </div> <div id="disablePointerLock"> <h3 class="methodname">disablePointerLock([success]) <a class="font-icon" href="#disablePointerLock"></a></h3> <p><p>Return control of the mouse cursor to the user.</p></p> <h4>Parameters</h4> <table> <tr> <td>success</td><td><a href="pc.callbacks.html#LockMouse">pc.callbacks.LockMouse</a></td><td><p>Function called when the mouse lock is disabled.</p></td> </tr> </table> </div> <div id="enableContextMenu"> <h3 class="methodname">enableContextMenu() <a class="font-icon" href="#enableContextMenu"></a></h3> <p><p>Enable the context menu usually activated with right-click. This option is active by default.</p></p> </div> <div id="enablePointerLock"> <h3 class="methodname">enablePointerLock([success], [error]) <a class="font-icon" href="#enablePointerLock"></a></h3> <p><p>Request that the browser hides the mouse cursor and locks the mouse to the element. Allowing raw access to mouse movement input without risking the mouse exiting the element. Notes:</p> <ul> <li>In some browsers this will only work when the browser is running in fullscreen mode. See <a href="pc.Application.html#enableFullscreen">pc.Application#enableFullscreen</a></li> <li>Enabling pointer lock can only be initiated by a user action e.g. in the event handler for a mouse or keyboard input.</li> </ul></p> <h4>Parameters</h4> <table> <tr> <td>success</td><td><a href="pc.callbacks.html#LockMouse">pc.callbacks.LockMouse</a></td><td><p>Function called if the request for mouse lock is successful.</p></td> </tr> <tr> <td>error</td><td><a href="pc.callbacks.html#LockMouse">pc.callbacks.LockMouse</a></td><td><p>Function called if the request for mouse lock is unsuccessful.</p></td> </tr> </table> </div> <div id="isPressed"> <h3 class="methodname">isPressed(button) <a class="font-icon" href="#isPressed"></a></h3> <p><p>Returns true if the mouse button is currently pressed.</p></p> <h4>Parameters</h4> <table> <tr> <td>button</td><td><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number">number</a></td><td><p>The mouse button to test. Can be:</p> <ul> <li><a href="pc.html#MOUSEBUTTON_LEFT">pc.MOUSEBUTTON_LEFT</a></li> <li><a href="pc.html#MOUSEBUTTON_MIDDLE">pc.MOUSEBUTTON_MIDDLE</a></li> <li><a href="pc.html#MOUSEBUTTON_RIGHT">pc.MOUSEBUTTON_RIGHT</a></li> </ul></td> </tr> </table> <h4>Returns</h4> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean">boolean</a> <p>True if the mouse button is current pressed.</p> </div> <div id="update"> <h3 class="methodname">update() <a class="font-icon" href="#update"></a></h3> <p><p>Update method, should be called once per frame.</p></p> </div> <div id="wasPressed"> <h3 class="methodname">wasPressed(button) <a class="font-icon" href="#wasPressed"></a></h3> <p><p>Returns true if the mouse button was pressed this frame (since the last call to update).</p></p> <h4>Parameters</h4> <table> <tr> <td>button</td><td><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number">number</a></td><td><p>The mouse button to test. Can be:</p> <ul> <li><a href="pc.html#MOUSEBUTTON_LEFT">pc.MOUSEBUTTON_LEFT</a></li> <li><a href="pc.html#MOUSEBUTTON_MIDDLE">pc.MOUSEBUTTON_MIDDLE</a></li> <li><a href="pc.html#MOUSEBUTTON_RIGHT">pc.MOUSEBUTTON_RIGHT</a></li> </ul></td> </tr> </table> <h4>Returns</h4> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean">boolean</a> <p>True if the mouse button was pressed since the last update.</p> </div> <div id="wasReleased"> <h3 class="methodname">wasReleased(button) <a class="font-icon" href="#wasReleased"></a></h3> <p><p>Returns true if the mouse button was released this frame (since the last call to update).</p></p> <h4>Parameters</h4> <table> <tr> <td>button</td><td><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number">number</a></td><td><p>The mouse button to test. Can be:</p> <ul> <li><a href="pc.html#MOUSEBUTTON_LEFT">pc.MOUSEBUTTON_LEFT</a></li> <li><a href="pc.html#MOUSEBUTTON_MIDDLE">pc.MOUSEBUTTON_MIDDLE</a></li> <li><a href="pc.html#MOUSEBUTTON_RIGHT">pc.MOUSEBUTTON_RIGHT</a></li> </ul></td> </tr> </table> <h4>Returns</h4> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean">boolean</a> <p>True if the mouse button was released since the last update.</p> </div>  <h2>Events</h2> <div id="event:mousedown"> <h3 class="methodname">mousedown <a class="font-icon" href="#event:mousedown"></a></h3> <p><p>Fired when a mouse button is pressed.</p></p> <h4>Parameters</h4> <table> <tr> <td>event</td><td><a href="pc.MouseEvent.html">pc.MouseEvent</a></td><td><p>The MouseEvent object.</p></td> </tr> </table> </div> <div id="event:mousemove"> <h3 class="methodname">mousemove <a class="font-icon" href="#event:mousemove"></a></h3> <p><p>Fired when the mouse is moved.</p></p> <h4>Parameters</h4> <table> <tr> <td>event</td><td><a href="pc.MouseEvent.html">pc.MouseEvent</a></td><td><p>The MouseEvent object.</p></td> </tr> </table> </div> <div id="event:mouseup"> <h3 class="methodname">mouseup <a class="font-icon" href="#event:mouseup"></a></h3> <p><p>Fired when a mouse button is released.</p></p> <h4>Parameters</h4> <table> <tr> <td>event</td><td><a href="pc.MouseEvent.html">pc.MouseEvent</a></td><td><p>The MouseEvent object.</p></td> </tr> </table> </div> <div id="event:mousewheel"> <h3 class="methodname">mousewheel <a class="font-icon" href="#event:mousewheel"></a></h3> <p><p>Fired when a mouse wheel is moved.</p></p> <h4>Parameters</h4> <table> <tr> <td>event</td><td><a href="pc.MouseEvent.html">pc.MouseEvent</a></td><td><p>The MouseEvent object.</p></td> </tr> </table> </div> <h2>Inherited</h2>   <h2>Methods</h2> <div id="fire"> <h3 class="methodname">fire(name, [arg1], [arg2], [arg3], [arg4], [arg5], [arg6], [arg7], [arg8]) <a class="font-icon" href="#fire"></a></h3> <p><p>Fire an event, all additional arguments are passed on to the event listener.</p></p> <pre><code class="javascript">obj.fire('test', 'This is the message');</code></pre> <h4>Parameters</h4> <table> <tr> <td>name</td><td><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object">object</a></td><td><p>Name of event to fire.</p></td> </tr> <tr> <td>arg1</td><td><a href="#">*</a></td><td><p>First argument that is passed to the event handler.</p></td> </tr> <tr> <td>arg2</td><td><a href="#">*</a></td><td><p>Second argument that is passed to the event handler.</p></td> </tr> <tr> <td>arg3</td><td><a href="#">*</a></td><td><p>Third argument that is passed to the event handler.</p></td> </tr> <tr> <td>arg4</td><td><a href="#">*</a></td><td><p>Fourth argument that is passed to the event handler.</p></td> </tr> <tr> <td>arg5</td><td><a href="#">*</a></td><td><p>Fifth argument that is passed to the event handler.</p></td> </tr> <tr> <td>arg6</td><td><a href="#">*</a></td><td><p>Sixth argument that is passed to the event handler.</p></td> </tr> <tr> <td>arg7</td><td><a href="#">*</a></td><td><p>Seventh argument that is passed to the event handler.</p></td> </tr> <tr> <td>arg8</td><td><a href="#">*</a></td><td><p>Eighth argument that is passed to the event handler.</p></td> </tr> </table> <h4>Returns</h4> <a href="pc.EventHandler.html">pc.EventHandler</a> <p>Self for chaining.</p> </div> <div id="hasEvent"> <h3 class="methodname">hasEvent(name) <a class="font-icon" href="#hasEvent"></a></h3> <p><p>Test if there are any handlers bound to an event name.</p></p> <pre><code class="javascript">obj.on('test', function () { }); // bind an event to 'test' obj.hasEvent('test'); // returns true obj.hasEvent('hello'); // returns false</code></pre> <h4>Parameters</h4> <table> <tr> <td>name</td><td><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String">string</a></td><td><p>The name of the event to test.</p></td> </tr> </table> <h4>Returns</h4> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean">boolean</a> <p>True if the object has handlers bound to the specified event name.</p> </div> <div id="off"> <h3 class="methodname">off([name], [callback], [scope]) <a class="font-icon" href="#off"></a></h3> <p><p>Detach an event handler from an event. If callback is not provided then all callbacks are unbound from the event, if scope is not provided then all events with the callback will be unbound.</p></p> <pre><code class="javascript">var handler = function () { }; obj.on('test', handler); obj.off(); // Removes all events obj.off('test'); // Removes all events called 'test' obj.off('test', handler); // Removes all handler functions, called 'test' obj.off('test', handler, this); // Removes all hander functions, called 'test' with scope this</code></pre> <h4>Parameters</h4> <table> <tr> <td>name</td><td><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String">string</a></td><td><p>Name of the event to unbind.</p></td> </tr> <tr> <td>callback</td><td><a href="pc.callbacks.html#HandleEvent">pc.callbacks.HandleEvent</a></td><td><p>Function to be unbound.</p></td> </tr> <tr> <td>scope</td><td><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object">object</a></td><td><p>Scope that was used as the this when the event is fired.</p></td> </tr> </table> <h4>Returns</h4> <a href="pc.EventHandler.html">pc.EventHandler</a> <p>Self for chaining.</p> </div> <div id="on"> <h3 class="methodname">on(name, callback, [scope]) <a class="font-icon" href="#on"></a></h3> <p><p>Attach an event handler to an event.</p></p> <pre><code class="javascript">obj.on('test', function (a, b) { console.log(a + b); }); obj.fire('test', 1, 2); // prints 3 to the console</code></pre> <h4>Parameters</h4> <table> <tr> <td>name</td><td><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String">string</a></td><td><p>Name of the event to bind the callback to.</p></td> </tr> <tr> <td>callback</td><td><a href="pc.callbacks.html#HandleEvent">pc.callbacks.HandleEvent</a></td><td><p>Function that is called when event is fired. Note the callback is limited to 8 arguments.</p></td> </tr> <tr> <td>scope</td><td><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object">object</a></td><td><p>Object to use as 'this' when the event is fired, defaults to current this.</p></td> </tr> </table> <h4>Returns</h4> <a href="pc.EventHandler.html">pc.EventHandler</a> <p>Self for chaining.</p> </div> <div id="once"> <h3 class="methodname">once(name, callback, [scope]) <a class="font-icon" href="#once"></a></h3> <p><p>Attach an event handler to an event. This handler will be removed after being fired once.</p></p> <pre><code class="javascript">obj.once('test', function (a, b) { console.log(a + b); }); obj.fire('test', 1, 2); // prints 3 to the console obj.fire('test', 1, 2); // not going to get handled</code></pre> <h4>Parameters</h4> <table> <tr> <td>name</td><td><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String">string</a></td><td><p>Name of the event to bind the callback to.</p></td> </tr> <tr> <td>callback</td><td><a href="pc.callbacks.html#HandleEvent">pc.callbacks.HandleEvent</a></td><td><p>Function that is called when event is fired. Note the callback is limited to 8 arguments.</p></td> </tr> <tr> <td>scope</td><td><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object">object</a></td><td><p>Object to use as 'this' when the event is fired, defaults to current this.</p></td> </tr> </table> <h4>Returns</h4> <a href="pc.EventHandler.html">pc.EventHandler</a> <p>Self for chaining.</p> </div>  </main> </div> </body> </html>