cannon
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A lightweight 3D physics engine written in JavaScript.
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<h1>PointToPointConstraint Class</h1>
<div class="box meta">
<div class="extends">
Extends <a href="../classes/Constraint.html" class="crosslink">Constraint</a>
</div>
<div class="foundat">
Defined in: <a href="../files/src_constraints_PointToPointConstraint.js.html#l7"><code>src/constraints/PointToPointConstraint.js:7</code></a>
</div>
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<div class="box intro">
<p>Connects two bodies at given offset points.</p>
</div>
<div class="constructor">
<h2>Constructor</h2>
<div id="method_PointToPointConstraint" class="method item">
<h3 class="name"><code>PointToPointConstraint</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>bodyA</code>
</li>
<li class="arg">
<code>pivotA</code>
</li>
<li class="arg">
<code>bodyB</code>
</li>
<li class="arg">
<code>pivotB</code>
</li>
<li class="arg">
<code>maxForce</code>
</li>
</ul><span class="paren">)</span>
</div>
<div class="meta">
<p>
Defined in
<a href="../files/src_constraints_PointToPointConstraint.js.html#l7"><code>src/constraints/PointToPointConstraint.js:7</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">bodyA</code>
<span class="type"><a href="../classes/Body.html" class="crosslink">Body</a></span>
<div class="param-description">
</div>
</li>
<li class="param">
<code class="param-name">pivotA</code>
<span class="type"><a href="../classes/Vec3.html" class="crosslink">Vec3</a></span>
<div class="param-description">
<p>The point relative to the center of mass of bodyA which bodyA is constrained to.</p>
</div>
</li>
<li class="param">
<code class="param-name">bodyB</code>
<span class="type"><a href="../classes/Body.html" class="crosslink">Body</a></span>
<div class="param-description">
<p>Body that will be constrained in a similar way to the same point as bodyA. We will therefore get a link between bodyA and bodyB. If not specified, bodyA will be constrained to a static point.</p>
</div>
</li>
<li class="param">
<code class="param-name">pivotB</code>
<span class="type"><a href="../classes/Vec3.html" class="crosslink">Vec3</a></span>
<div class="param-description">
<p>See pivotA.</p>
</div>
</li>
<li class="param">
<code class="param-name">maxForce</code>
<span class="type">Number</span>
<div class="param-description">
<p>The maximum force that should be applied to constrain the bodies.</p>
</div>
</li>
</ul>
</div>
<div class="example">
<h4>Example:</h4>
<div class="example-content">
<pre class="code prettyprint"><code>var bodyA = new Body({ mass: 1 });
var bodyB = new Body({ mass: 1 });
bodyA.position.set(-1, 0, 0);
bodyB.position.set(1, 0, 0);
bodyA.addShape(shapeA);
bodyB.addShape(shapeB);
world.addBody(bodyA);
world.addBody(bodyB);
var localPivotA = new Vec3(1, 0, 0);
var localPivotB = new Vec3(-1, 0, 0);
var constraint = new PointToPointConstraint(bodyA, localPivotA, bodyB, localPivotB);
world.addConstraint(constraint);
</code></pre>
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<li class="api-class-tab properties"><a href="#properties">Properties</a></li>
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<h2 class="off-left">Item Index</h2>
<div class="index-section methods">
<h3>Methods</h3>
<ul class="index-list methods extends">
<li class="index-item method inherited">
<a href="#method_disable">disable</a>
</li>
<li class="index-item method inherited">
<a href="#method_enable">enable</a>
</li>
<li class="index-item method inherited">
<a href="#method_update">update</a>
</li>
</ul>
</div>
<div class="index-section properties">
<h3>Properties</h3>
<ul class="index-list properties extends">
<li class="index-item property inherited">
<a href="#property_bodyA">bodyA</a>
</li>
<li class="index-item property inherited">
<a href="#property_bodyB">bodyB</a>
</li>
<li class="index-item property inherited">
<a href="#property_collideConnected">collideConnected</a>
</li>
<li class="index-item property inherited">
<a href="#property_equations">equations</a>
</li>
<li class="index-item property">
<a href="#property_equationX">equationX</a>
</li>
<li class="index-item property">
<a href="#property_equationY">equationY</a>
</li>
<li class="index-item property">
<a href="#property_equationZ">equationZ</a>
</li>
<li class="index-item property inherited">
<a href="#property_id">id</a>
</li>
<li class="index-item property">
<a href="#property_pivotA">pivotA</a>
</li>
<li class="index-item property">
<a href="#property_pivotB">pivotB</a>
</li>
</ul>
</div>
</div>
<div id="methods" class="api-class-tabpanel">
<h2 class="off-left">Methods</h2>
<div id="method_disable" class="method item inherited">
<h3 class="name"><code>disable</code></h3>
<span class="paren">()</span>
<div class="meta">
<p>Inherited from
<a href="../classes/Constraint.html#method_disable">Constraint</a>:
<a href="../files/src_constraints_Constraint.js.html#l80"><code>src/constraints/Constraint.js:80</code></a>
</p>
</div>
<div class="description">
<p>Disables all equations in the constraint.</p>
</div>
</div>
<div id="method_enable" class="method item inherited">
<h3 class="name"><code>enable</code></h3>
<span class="paren">()</span>
<div class="meta">
<p>Inherited from
<a href="../classes/Constraint.html#method_enable">Constraint</a>:
<a href="../files/src_constraints_Constraint.js.html#l69"><code>src/constraints/Constraint.js:69</code></a>
</p>
</div>
<div class="description">
<p>Enables all equations in the constraint.</p>
</div>
</div>
<div id="method_update" class="method item inherited">
<h3 class="name"><code>update</code></h3>
<span class="paren">()</span>
<div class="meta">
<p>Inherited from
<a href="../classes/Constraint.html#method_update">Constraint</a>:
<a href="../files/src_constraints_Constraint.js.html#l61"><code>src/constraints/Constraint.js:61</code></a>
</p>
</div>
<div class="description">
<p>Update all the equations with data.</p>
</div>
</div>
</div>
<div id="properties" class="api-class-tabpanel">
<h2 class="off-left">Properties</h2>
<div id="property_bodyA" class="property item inherited">
<h3 class="name"><code>bodyA</code></h3>
<span class="type"><a href="../classes/Body.html" class="crosslink">Body</a></span>
<div class="meta">
<p>Inherited from
<a href="../classes/Constraint.html#property_bodyA">Constraint</a>:
<a href="../files/src_constraints_Constraint.js.html#l29"><code>src/constraints/Constraint.js:29</code></a>
</p>
</div>
<div class="description">
</div>
</div>
<div id="property_bodyB" class="property item inherited">
<h3 class="name"><code>bodyB</code></h3>
<span class="type"><a href="../classes/Body.html" class="crosslink">Body</a></span>
<div class="meta">
<p>Inherited from
<a href="../classes/Constraint.html#property_bodyB">Constraint</a>:
<a href="../files/src_constraints_Constraint.js.html#l34"><code>src/constraints/Constraint.js:34</code></a>
</p>
</div>
<div class="description">
</div>
</div>
<div id="property_collideConnected" class="property item inherited">
<h3 class="name"><code>collideConnected</code></h3>
<span class="type">Boolean</span>
<div class="meta">
<p>Inherited from
<a href="../classes/Constraint.html#property_collideConnected">Constraint</a>:
<a href="../files/src_constraints_Constraint.js.html#l44"><code>src/constraints/Constraint.js:44</code></a>
</p>
</div>
<div class="description">
<p>Set to true if you want the bodies to collide when they are connected.</p>
</div>
</div>
<div id="property_equations" class="property item inherited">
<h3 class="name"><code>equations</code></h3>
<span class="type">Array</span>
<div class="meta">
<p>Inherited from
<a href="../classes/Constraint.html#property_equations">Constraint</a>:
<a href="../files/src_constraints_Constraint.js.html#l22"><code>src/constraints/Constraint.js:22</code></a>
</p>
</div>
<div class="description">
<p>Equations to be solved in this constraint</p>
</div>
</div>
<div id="property_equationX" class="property item">
<h3 class="name"><code>equationX</code></h3>
<span class="type"><a href="../classes/ContactEquation.html" class="crosslink">ContactEquation</a></span>
<div class="meta">
<p>
Defined in
<a href="../files/src_constraints_PointToPointConstraint.js.html#l49"><code>src/constraints/PointToPointConstraint.js:49</code></a>
</p>
</div>
<div class="description">
</div>
</div>
<div id="property_equationY" class="property item">
<h3 class="name"><code>equationY</code></h3>
<span class="type"><a href="../classes/ContactEquation.html" class="crosslink">ContactEquation</a></span>
<div class="meta">
<p>
Defined in
<a href="../files/src_constraints_PointToPointConstraint.js.html#l54"><code>src/constraints/PointToPointConstraint.js:54</code></a>
</p>
</div>
<div class="description">
</div>
</div>
<div id="property_equationZ" class="property item">
<h3 class="name"><code>equationZ</code></h3>
<span class="type"><a href="../classes/ContactEquation.html" class="crosslink">ContactEquation</a></span>
<div class="meta">
<p>
Defined in
<a href="../files/src_constraints_PointToPointConstraint.js.html#l59"><code>src/constraints/PointToPointConstraint.js:59</code></a>
</p>
</div>
<div class="description">
</div>
</div>
<div id="property_id" class="property item inherited">
<h3 class="name"><code>id</code></h3>
<span class="type">Number</span>
<div class="meta">
<p>Inherited from
<a href="../classes/Constraint.html#property_id">Constraint</a>:
<a href="../files/src_constraints_Constraint.js.html#l39"><code>src/constraints/Constraint.js:39</code></a>
</p>
</div>
<div class="description">
</div>
</div>
<div id="property_pivotA" class="property item">
<h3 class="name"><code>pivotA</code></h3>
<span class="type"><a href="../classes/Vec3.html" class="crosslink">Vec3</a></span>
<div class="meta">
<p>
Defined in
<a href="../files/src_constraints_PointToPointConstraint.js.html#l37"><code>src/constraints/PointToPointConstraint.js:37</code></a>
</p>
</div>
<div class="description">
<p>Pivot, defined locally in bodyA.</p>
</div>
</div>
<div id="property_pivotB" class="property item">
<h3 class="name"><code>pivotB</code></h3>
<span class="type"><a href="../classes/Vec3.html" class="crosslink">Vec3</a></span>
<div class="meta">
<p>
Defined in
<a href="../files/src_constraints_PointToPointConstraint.js.html#l43"><code>src/constraints/PointToPointConstraint.js:43</code></a>
</p>
</div>
<div class="description">
<p>Pivot, defined locally in bodyB.</p>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
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