cannon
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A lightweight 3D physics engine written in JavaScript.
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<em>API Docs for: 0.6.1</em>
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<h1>RaycastVehicle Class</h1>
<div class="box meta">
<div class="foundat">
Defined in: <a href="../files/src_objects_RaycastVehicle.js.html#l10"><code>src/objects/RaycastVehicle.js:10</code></a>
</div>
</div>
<div class="box intro">
<p>Vehicle helper class that casts rays from the wheel positions towards the ground and applies forces.</p>
</div>
<div class="constructor">
<h2>Constructor</h2>
<div id="method_RaycastVehicle" class="method item">
<h3 class="name"><code>RaycastVehicle</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code class="optional">[options]</code>
</li>
</ul><span class="paren">)</span>
</div>
<div class="meta">
<p>
Defined in
<a href="../files/src_objects_RaycastVehicle.js.html#l10"><code>src/objects/RaycastVehicle.js:10</code></a>
</p>
</div>
<div class="description">
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name optional">[options]</code>
<span class="type">Object</span>
<span class="flag optional" title="This parameter is optional.">optional</span>
<div class="param-description">
</div>
<ul class="params-list">
<li class="param">
<code class="param-name optional">[chassisBody]</code>
<span class="type"><a href="../classes/Body.html" class="crosslink">Body</a></span>
<span class="flag optional" title="This parameter is optional.">optional</span>
<div class="param-description">
<p>The car chassis body.</p>
</div>
</li>
<li class="param">
<code class="param-name optional">[indexRightAxis]</code>
<span class="type">Integer</span>
<span class="flag optional" title="This parameter is optional.">optional</span>
<div class="param-description">
<p>Axis to use for right. x=0, y=1, z=2</p>
</div>
</li>
<li class="param">
<code class="param-name optional">[indexLeftAxis]</code>
<span class="type">Integer</span>
<span class="flag optional" title="This parameter is optional.">optional</span>
<div class="param-description">
</div>
</li>
<li class="param">
<code class="param-name optional">[indexUpAxis]</code>
<span class="type">Integer</span>
<span class="flag optional" title="This parameter is optional.">optional</span>
<div class="param-description">
</div>
</li>
</ul>
</li>
</ul>
</div>
</div>
</div>
<div id="classdocs" class="tabview">
<ul class="api-class-tabs">
<li class="api-class-tab index"><a href="#index">Index</a></li>
<li class="api-class-tab methods"><a href="#methods">Methods</a></li>
<li class="api-class-tab properties"><a href="#properties">Properties</a></li>
</ul>
<div>
<div id="index" class="api-class-tabpanel index">
<h2 class="off-left">Item Index</h2>
<div class="index-section methods">
<h3>Methods</h3>
<ul class="index-list methods">
<li class="index-item method">
<a href="#method_addToWorld">addToWorld</a>
</li>
<li class="index-item method">
<a href="#method_addWheel">addWheel</a>
</li>
<li class="index-item method">
<a href="#method_applyEngineForce">applyEngineForce</a>
</li>
<li class="index-item method private">
<a href="#method_getVehicleAxisWorld">getVehicleAxisWorld</a>
</li>
<li class="index-item method">
<a href="#method_getWheelTransformWorld">getWheelTransformWorld</a>
</li>
<li class="index-item method">
<a href="#method_removeFromWorld">removeFromWorld</a>
</li>
<li class="index-item method">
<a href="#method_setBrake">setBrake</a>
</li>
<li class="index-item method">
<a href="#method_setSteeringValue">setSteeringValue</a>
</li>
<li class="index-item method">
<a href="#method_updateWheelTransform">updateWheelTransform</a>
</li>
</ul>
</div>
<div class="index-section properties">
<h3>Properties</h3>
<ul class="index-list properties">
<li class="index-item property">
<a href="#property_chassisBody">chassisBody</a>
</li>
<li class="index-item property">
<a href="#property_indexForwardAxis">indexForwardAxis</a>
</li>
<li class="index-item property">
<a href="#property_indexRightAxis">indexRightAxis</a>
</li>
<li class="index-item property">
<a href="#property_indexUpAxis">indexUpAxis</a>
</li>
<li class="index-item property">
<a href="#property_sliding">sliding</a>
</li>
<li class="index-item property">
<a href="#property_wheelInfos">wheelInfos</a>
</li>
<li class="index-item property">
<a href="#property_world">world</a>
</li>
</ul>
</div>
</div>
<div id="methods" class="api-class-tabpanel">
<h2 class="off-left">Methods</h2>
<div id="method_addToWorld" class="method item">
<h3 class="name"><code>addToWorld</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>world</code>
</li>
</ul><span class="paren">)</span>
</div>
<div class="meta">
<p>
Defined in
<a href="../files/src_objects_RaycastVehicle.js.html#l122"><code>src/objects/RaycastVehicle.js:122</code></a>
</p>
</div>
<div class="description">
<p>Add the vehicle including its constraints to the world.</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">world</code>
<span class="type"><a href="../classes/World.html" class="crosslink">World</a></span>
<div class="param-description">
</div>
</li>
</ul>
</div>
</div>
<div id="method_addWheel" class="method item">
<h3 class="name"><code>addWheel</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code class="optional">[options]</code>
</li>
</ul><span class="paren">)</span>
</div>
<div class="meta">
<p>
Defined in
<a href="../files/src_objects_RaycastVehicle.js.html#l74"><code>src/objects/RaycastVehicle.js:74</code></a>
</p>
</div>
<div class="description">
<p>Add a wheel. For information about the options, see WheelInfo.</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name optional">[options]</code>
<span class="type">Object</span>
<span class="flag optional" title="This parameter is optional.">optional</span>
<div class="param-description">
</div>
</li>
</ul>
</div>
</div>
<div id="method_applyEngineForce" class="method item">
<h3 class="name"><code>applyEngineForce</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>value</code>
</li>
<li class="arg">
<code>wheelIndex</code>
</li>
</ul><span class="paren">)</span>
</div>
<div class="meta">
<p>
Defined in
<a href="../files/src_objects_RaycastVehicle.js.html#l102"><code>src/objects/RaycastVehicle.js:102</code></a>
</p>
</div>
<div class="description">
<p>Set the wheel force to apply on one of the wheels each time step</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">value</code>
<span class="type">Number</span>
<div class="param-description">
</div>
</li>
<li class="param">
<code class="param-name">wheelIndex</code>
<span class="type">Integer</span>
<div class="param-description">
</div>
</li>
</ul>
</div>
</div>
<div id="method_getVehicleAxisWorld" class="method item private">
<h3 class="name"><code>getVehicleAxisWorld</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>axisIndex</code>
</li>
<li class="arg">
<code>result</code>
</li>
</ul><span class="paren">)</span>
</div>
<span class="flag private">private</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_objects_RaycastVehicle.js.html#l138"><code>src/objects/RaycastVehicle.js:138</code></a>
</p>
</div>
<div class="description">
<p>Get one of the wheel axles, world-oriented.</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">axisIndex</code>
<span class="type">Integer</span>
<div class="param-description">
</div>
</li>
<li class="param">
<code class="param-name">result</code>
<span class="type"><a href="../classes/Vec3.html" class="crosslink">Vec3</a></span>
<div class="param-description">
</div>
</li>
</ul>
</div>
</div>
<div id="method_getWheelTransformWorld" class="method item">
<h3 class="name"><code>getWheelTransformWorld</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>wheelIndex</code>
</li>
</ul><span class="paren">)</span>
</div>
<span class="returns-inline">
<span class="type"><a href="../classes/Transform.html" class="crosslink">Transform</a></span>
</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_objects_RaycastVehicle.js.html#l428"><code>src/objects/RaycastVehicle.js:428</code></a>
</p>
</div>
<div class="description">
<p>Get the world transform of one of the wheels</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">wheelIndex</code>
<span class="type">Integer</span>
<div class="param-description">
</div>
</li>
</ul>
</div>
<div class="returns">
<h4>Returns:</h4>
<div class="returns-description">
<span class="type"><a href="../classes/Transform.html" class="crosslink">Transform</a></span>:
</div>
</div>
</div>
<div id="method_removeFromWorld" class="method item">
<h3 class="name"><code>removeFromWorld</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>world</code>
</li>
</ul><span class="paren">)</span>
</div>
<div class="meta">
<p>
Defined in
<a href="../files/src_objects_RaycastVehicle.js.html#l279"><code>src/objects/RaycastVehicle.js:279</code></a>
</p>
</div>
<div class="description">
<p>Remove the vehicle including its constraints from the world.</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">world</code>
<span class="type"><a href="../classes/World.html" class="crosslink">World</a></span>
<div class="param-description">
</div>
</li>
</ul>
</div>
</div>
<div id="method_setBrake" class="method item">
<h3 class="name"><code>setBrake</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>brake</code>
</li>
<li class="arg">
<code>wheelIndex</code>
</li>
</ul><span class="paren">)</span>
</div>
<div class="meta">
<p>
Defined in
<a href="../files/src_objects_RaycastVehicle.js.html#l112"><code>src/objects/RaycastVehicle.js:112</code></a>
</p>
</div>
<div class="description">
<p>Set the braking force of a wheel</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">brake</code>
<span class="type">Number</span>
<div class="param-description">
</div>
</li>
<li class="param">
<code class="param-name">wheelIndex</code>
<span class="type">Integer</span>
<div class="param-description">
</div>
</li>
</ul>
</div>
</div>
<div id="method_setSteeringValue" class="method item">
<h3 class="name"><code>setSteeringValue</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>value</code>
</li>
<li class="arg">
<code>wheelIndex</code>
</li>
</ul><span class="paren">)</span>
</div>
<div class="meta">
<p>
Defined in
<a href="../files/src_objects_RaycastVehicle.js.html#l89"><code>src/objects/RaycastVehicle.js:89</code></a>
</p>
</div>
<div class="description">
<p>Set the steering value of a wheel.</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">value</code>
<span class="type">Number</span>
<div class="param-description">
</div>
</li>
<li class="param">
<code class="param-name">wheelIndex</code>
<span class="type">Integer</span>
<div class="param-description">
</div>
</li>
</ul>
</div>
</div>
<div id="method_updateWheelTransform" class="method item">
<h3 class="name"><code>updateWheelTransform</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>wheelIndex</code>
</li>
</ul><span class="paren">)</span>
</div>
<div class="meta">
<p>
Defined in
<a href="../files/src_objects_RaycastVehicle.js.html#l380"><code>src/objects/RaycastVehicle.js:380</code></a>
</p>
</div>
<div class="description">
<p>Update one of the wheel transform.
Note when rendering wheels: during each step, wheel transforms are updated BEFORE the chassis; ie. their position becomes invalid after the step. Thus when you render wheels, you must update wheel transforms before rendering them. See raycastVehicle demo for an example.</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">wheelIndex</code>
<span class="type">Integer</span>
<div class="param-description">
<p>The wheel index to update.</p>
</div>
</li>
</ul>
</div>
</div>
</div>
<div id="properties" class="api-class-tabpanel">
<h2 class="off-left">Properties</h2>
<div id="property_chassisBody" class="property item">
<h3 class="name"><code>chassisBody</code></h3>
<span class="type"><a href="../classes/Body.html" class="crosslink">Body</a></span>
<div class="meta">
<p>
Defined in
<a href="../files/src_objects_RaycastVehicle.js.html#l22"><code>src/objects/RaycastVehicle.js:22</code></a>
</p>
</div>
<div class="description">
</div>
</div>
<div id="property_indexForwardAxis" class="property item">
<h3 class="name"><code>indexForwardAxis</code></h3>
<span class="type">Integer</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_objects_RaycastVehicle.js.html#l51"><code>src/objects/RaycastVehicle.js:51</code></a>
</p>
</div>
<div class="description">
<p>Index of the forward axis, 0=x, 1=y, 2=z</p>
</div>
<p><strong>Default:</strong> 0</p>
</div>
<div id="property_indexRightAxis" class="property item">
<h3 class="name"><code>indexRightAxis</code></h3>
<span class="type">Integer</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_objects_RaycastVehicle.js.html#l44"><code>src/objects/RaycastVehicle.js:44</code></a>
</p>
</div>
<div class="description">
<p>Index of the right axis, 0=x, 1=y, 2=z</p>
</div>
<p><strong>Default:</strong> 1</p>
</div>
<div id="property_indexUpAxis" class="property item">
<h3 class="name"><code>indexUpAxis</code></h3>
<span class="type">Integer</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_objects_RaycastVehicle.js.html#l58"><code>src/objects/RaycastVehicle.js:58</code></a>
</p>
</div>
<div class="description">
<p>Index of the up axis, 0=x, 1=y, 2=z</p>
</div>
<p><strong>Default:</strong> 2</p>
</div>
<div id="property_sliding" class="property item">
<h3 class="name"><code>sliding</code></h3>
<span class="type">Boolean</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_objects_RaycastVehicle.js.html#l33"><code>src/objects/RaycastVehicle.js:33</code></a>
</p>
</div>
<div class="description">
<p>Will be set to true if the car is sliding.</p>
</div>
</div>
<div id="property_wheelInfos" class="property item">
<h3 class="name"><code>wheelInfos</code></h3>
<span class="type">Array</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_objects_RaycastVehicle.js.html#l27"><code>src/objects/RaycastVehicle.js:27</code></a>
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<p>An array of WheelInfo objects.</p>
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<h3 class="name"><code>world</code></h3>
<span class="type"><a href="../classes/World.html" class="crosslink">World</a></span>
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<p>
Defined in
<a href="../files/src_objects_RaycastVehicle.js.html#l39"><code>src/objects/RaycastVehicle.js:39</code></a>
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