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 <!DOCTYPE html><html><head><meta name="viewport" content="width=device-width" charset="utf-8"><title></title><link href="http://fonts.googleapis.com/css?family=Quattrocento+Sans:400,700" rel="stylesheet" type="text/css"><link href="http://wellcaffeinated.net/PhysicsJS/assets/fonts/Caviar-Dreams-fontfacekit/stylesheet.css" rel="stylesheet" type="text/css"><!-- Foundation CSS--><!--link(rel="stylesheet", href="http://cdnjs.cloudflare.com/ajax/libs/foundation/4.1.6/css/foundation.min.css")--><!-- Prism CSS--><!--link(rel="stylesheet", href="css/prism.css")--><link rel="stylesheet" href="css/highlight-nearly-solarized.css"><!-- Custom Styles--><link rel="stylesheet" href="css/style.css"><script srr="http://cdnjs.cloudflare.com/ajax/libs/foundation/4.1.6/js/vendor/custom.modernizr.js"></script></head><body><section id="main"><nav class="toc"><h1 class="header"><a href="http://wellcaffeinated.net/PhysicsJS">Physics<span>JS</span></a> API Docs</h1><ul><li class="namespace"><a href="#Physics" class="item"><span class="name">Physics</span></a><ul><li class="class"><a href="#Physics-transform" class="item">.<span class="name">transform</span></a><ul><li class="constructor"><a href="#Physics-transform-new" class="item">.<span class="name">new</span>()</a></li><li class="instance-method"><a href="#Physics-transform-prototype-clone" class="item">.<span class="name">clone</span>()</a></li><li class="instance-method"><a href="#Physics-transform-prototype-setRotation" class="item">.<span class="name">setRotation</span>()</a></li><li class="instance-method"><a href="#Physics-transform-prototype-setTranslation" class="item">.<span class="name">setTranslation</span>()</a></li></ul></li><li class="class"><a href="#Physics-vector" class="item">.<span class="name">vector</span></a><ul><li class="constructor"><a href="#Physics-vector-new" class="item">.<span class="name">new</span>()</a></li><li class="namespace"><a href="#Physics-vector-prototype-_" class="item">.<span class="name">_</span></a></li><li class="instance-method"><a href="#Physics-vector-prototype-add" class="item">.<span class="name">add</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-angle" class="item">.<span class="name">angle</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-angle2" class="item">.<span class="name">angle2</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-clamp" class="item">.<span class="name">clamp</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-clone" class="item">.<span class="name">clone</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-cross" class="item">.<span class="name">cross</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-dist" class="item">.<span class="name">dist</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-distSq" class="item">.<span class="name">distSq</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-dot" class="item">.<span class="name">dot</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-equals" class="item">.<span class="name">equals</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-get" class="item">.<span class="name">get</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-mult" class="item">.<span class="name">mult</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-negate" class="item">.<span class="name">negate</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-norm" class="item">.<span class="name">norm</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-normSq" class="item">.<span class="name">normSq</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-normalize" class="item">.<span class="name">normalize</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-perp" class="item">.<span class="name">perp</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-proj" class="item">.<span class="name">proj</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-rotate" class="item">.<span class="name">rotate</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-rotateInv" class="item">.<span class="name">rotateInv</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-set" class="item">.<span class="name">set</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-sub" class="item">.<span class="name">sub</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-swap" class="item">.<span class="name">swap</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-toString" class="item">.<span class="name">toString</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-transform" class="item">.<span class="name">transform</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-transformInv" class="item">.<span class="name">transformInv</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-translate" class="item">.<span class="name">translate</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-translateInv" class="item">.<span class="name">translateInv</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-vadd" class="item">.<span class="name">vadd</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-values" class="item">.<span class="name">values</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-vproj" class="item">.<span class="name">vproj</span>()</a></li><li class="instance-method"><a href="#Physics-vector-prototype-vsub" class="item">.<span class="name">vsub</span>()</a></li><li class="namespace"><a href="#Physics-vector-prototype-x" class="item">.<span class="name">x</span></a></li><li class="namespace"><a href="#Physics-vector-prototype-y" class="item">.<span class="name">y</span></a></li><li class="instance-method"><a href="#Physics-vector-prototype-zero" class="item">.<span class="name">zero</span>()</a></li><li class="constant"><a href="#Physics-vector-axis" class="item">.<span class="name">axis</span></a></li><li class="constant"><a href="#Physics-vector-zero" class="item">.<span class="name">zero</span></a></li></ul></li><li class="class"><a href="#Physics-world" class="item">.<span class="name">world</span></a><ul><li class="constructor"><a href="#Physics-world-new" class="item">.<span class="name">new</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-add" class="item">.<span class="name">add</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-addBehavior" class="item">.<span class="name">addBehavior</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-addBody" class="item">.<span class="name">addBody</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-destroy" class="item">.<span class="name">destroy</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-find" class="item">.<span class="name">find</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-findOne" class="item">.<span class="name">findOne</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-getBehaviors" class="item">.<span class="name">getBehaviors</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-getBodies" class="item">.<span class="name">getBodies</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-has" class="item">.<span class="name">has</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-init" class="item">.<span class="name">init</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-integrator" class="item">.<span class="name">integrator</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-isPaused" class="item">.<span class="name">isPaused</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-iterate" class="item">.<span class="name">iterate</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-options" class="item">.<span class="name">options</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-pause" class="item">.<span class="name">pause</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-remove" class="item">.<span class="name">remove</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-removeBehavior" class="item">.<span class="name">removeBehavior</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-removeBody" class="item">.<span class="name">removeBody</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-render" class="item">.<span class="name">render</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-renderer" class="item">.<span class="name">renderer</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-step" class="item">.<span class="name">step</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-timestep" class="item">.<span class="name">timestep</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-unpause" class="item">.<span class="name">unpause</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-wakeUpAll" class="item">.<span class="name">wakeUpAll</span>()</a></li><li class="instance-method"><a href="#Physics-world-prototype-warp" class="item">.<span class="name">warp</span>()</a></li></ul></li><li class="class-method"><a href="#Physics-aabb" class="item">.<span class="name">aabb</span>()</a><ul><li class="class-method"><a href="#Physics-aabb-clone" class="item">.<span class="name">clone</span>()</a></li><li class="class-method"><a href="#Physics-aabb-contains" class="item">.<span class="name">contains</span>()</a></li><li class="class-method"><a href="#Physics-aabb-overlap" class="item">.<span class="name">overlap</span>()</a></li><li class="class-method"><a href="#Physics-aabb-union" class="item">.<span class="name">union</span>()</a></li></ul></li><li class="class-method"><a href="#Physics-behavior" class="item">.<span class="name">behavior</span>()</a><ul><li class="class"><a href="#Behavior" class="item"><span class="name">Behavior</span></a><ul><li class="class subclass"><a href="#AttractorBehavior" class="item"><span class="name">AttractorBehavior</span></a><ul><li class="instance-method"><a href="#AttractorBehavior-prototype-position" class="item">.<span class="name">position</span>()</a></li></ul></li><li class="class subclass"><a href="#BodyCollisionDetectionBehavior" class="item"><span class="name">BodyCollisionDetectionBehavior</span></a><ul><li class="instance-method"><a href="#BodyCollisionDetectionBehavior-prototype-check" class="item">.<span class="name">check</span>()</a></li><li class="instance-method"><a href="#BodyCollisionDetectionBehavior-prototype-checkAll" class="item">.<span class="name">checkAll</span>()</a></li></ul></li><li class="class subclass"><a href="#BodyImpulseResponseBehavior" class="item"><span class="name">BodyImpulseResponseBehavior</span></a><ul><li class="instance-method"><a href="#BodyImpulseResponseBehavior-prototype-collideBodes" class="item">.<span class="name">collideBodes</span>()</a></li><li class="instance-method"><a href="#BodyImpulseResponseBehavior-prototype-respond" class="item">.<span class="name">respond</span>()</a></li></ul></li><li class="class subclass"><a href="#ConstantAccelerationBehavior" class="item"><span class="name">ConstantAccelerationBehavior</span></a><ul><li class="instance-method"><a href="#ConstantAccelerationBehavior-prototype-setAcceleration" class="item">.<span class="name">setAcceleration</span>()</a></li></ul></li><li class="class subclass"><a href="#EdgeCollisionDetectionBehavior" class="item"><span class="name">EdgeCollisionDetectionBehavior</span></a><ul><li class="instance-method"><a href="#EdgeCollisionDetectionBehavior-prototype-checkAll" class="item">.<span class="name">checkAll</span>()</a></li><li class="instance-method"><a href="#EdgeCollisionDetectionBehavior-prototype-setAABB" class="item">.<span class="name">setAABB</span>()</a></li></ul></li><li class="class subclass"><a href="#InteractiveBehavior" class="item"><span class="name">InteractiveBehavior</span></a></li><li class="class subclass"><a href="#NewtonianBehavior" class="item"><span class="name">NewtonianBehavior</span></a></li><li class="class subclass"><a href="#SweepPruneBehavior" class="item"><span class="name">SweepPruneBehavior</span></a><ul><li class="instance-method"><a href="#SweepPruneBehavior-prototype-broadPhase" class="item">.<span class="name">broadPhase</span>()</a></li><li class="instance-method"><a href="#SweepPruneBehavior-prototype-checkOverlaps" class="item">.<span class="name">checkOverlaps</span>()</a></li><li class="instance-method"><a href="#SweepPruneBehavior-prototype-clear" class="item">.<span class="name">clear</span>()</a></li><li class="instance-method"><a href="#SweepPruneBehavior-prototype-getPair" class="item">.<span class="name">getPair</span>()</a></li><li class="instance-method"><a href="#SweepPruneBehavior-prototype-sortIntervalLists" class="item">.<span class="name">sortIntervalLists</span>()</a></li><li class="instance-method"><a href="#SweepPruneBehavior-prototype-sweep" class="item">.<span class="name">sweep</span>()</a></li><li class="instance-method"><a href="#SweepPruneBehavior-prototype-trackBody" class="item">.<span class="name">trackBody</span>()</a></li><li class="instance-method"><a href="#SweepPruneBehavior-prototype-untrackBody" class="item">.<span class="name">untrackBody</span>()</a></li><li class="instance-method"><a href="#SweepPruneBehavior-prototype-updateIntervals" class="item">.<span class="name">updateIntervals</span>()</a></li></ul></li><li class="class subclass"><a href="#VerletConstraintsBehavior" class="item"><span class="name">VerletConstraintsBehavior</span></a><ul><li class="instance-method"><a href="#VerletConstraintsBehavior-prototype-angleConstraint" class="item">.<span class="name">angleConstraint</span>()</a></li><li class="instance-method"><a href="#VerletConstraintsBehavior-prototype-distanceConstraint" class="item">.<span class="name">distanceConstraint</span>()</a></li><li class="instance-method"><a href="#VerletConstraintsBehavior-prototype-drop" class="item">.<span class="name">drop</span>()</a></li><li class="instance-method"><a href="#VerletConstraintsBehavior-prototype-getConstraints" class="item">.<span class="name">getConstraints</span>()</a></li><li class="instance-method"><a href="#VerletConstraintsBehavior-prototype-remove" class="item">.<span class="name">remove</span>()</a></li><li class="instance-method"><a href="#VerletConstraintsBehavior-prototype-resolve" class="item">.<span class="name">resolve</span>()</a></li><li class="instance-method"><a href="#VerletConstraintsBehavior-prototype-resolveAngleConstraints" class="item">.<span class="name">resolveAngleConstraints</span>()</a></li><li class="instance-method"><a href="#VerletConstraintsBehavior-prototype-resolveDistanceConstraints" class="item">.<span class="name">resolveDistanceConstraints</span>()</a></li><li class="instance-method"><a href="#VerletConstraintsBehavior-prototype-shuffleConstraints" class="item">.<span class="name">shuffleConstraints</span>()</a></li></ul></li><li class="instance-method"><a href="#Behavior-prototype-applyTo" class="item">.<span class="name">applyTo</span>()</a></li><li class="instance-method"><a href="#Behavior-prototype-behave" class="item">.<span class="name">behave</span>()</a></li><li class="instance-method"><a href="#Behavior-prototype-connect" class="item">.<span class="name">connect</span>()</a></li><li class="instance-method"><a href="#Behavior-prototype-disconnect" class="item">.<span class="name">disconnect</span>()</a></li><li class="instance-method"><a href="#Behavior-prototype-getTargets" class="item">.<span class="name">getTargets</span>()</a></li><li class="instance-method"><a href="#Behavior-prototype-init" class="item">.<span class="name">init</span>()</a></li><li class="instance-method"><a href="#Behavior-prototype-options" class="item">.<span class="name">options</span>()</a></li><li class="instance-method"><a href="#Behavior-prototype-setWorld" class="item">.<span class="name">setWorld</span>()</a></li></ul></li></ul></li><li class="class-method"><a href="#Physics-body" class="item">.<span class="name">body</span>()</a><ul><li class="class"><a href="#Body" class="item"><span class="name">Body</span></a><ul><li class="class subclass"><a href="#CircleBody" class="item"><span class="name">CircleBody</span></a></li><li class="class subclass"><a href="#CompoundBody" class="item"><span class="name">CompoundBody</span></a><ul><li class="instance-method"><a href="#CompoundBody-prototype-addChild" class="item">.<span class="name">addChild</span>()</a></li><li class="instance-method"><a href="#CompoundBody-prototype-addChildren" class="item">.<span class="name">addChildren</span>()</a></li><li class="instance-method"><a href="#CompoundBody-prototype-clear" class="item">.<span class="name">clear</span>()</a></li><li class="instance-method"><a href="#CompoundBody-prototype-refreshGeometry" class="item">.<span class="name">refreshGeometry</span>()</a></li></ul></li><li class="class subclass"><a href="#ConvexPolygonBody" class="item"><span class="name">ConvexPolygonBody</span></a></li><li class="class subclass"><a href="#PointBody" class="item"><span class="name">PointBody</span></a></li><li class="class subclass"><a href="#RectangleBody" class="item"><span class="name">RectangleBody</span></a></li><li class="instance-method"><a href="#Body-prototype-aabb" class="item">.<span class="name">aabb</span>()</a></li><li class="instance-method"><a href="#Body-prototype-accelerate" class="item">.<span class="name">accelerate</span>()</a></li><li class="instance-method"><a href="#Body-prototype-applyForce" class="item">.<span class="name">applyForce</span>()</a></li><li class="constant"><a href="#Body-prototype-cof" class="item">.<span class="name">cof</span></a></li><li class="namespace"><a href="#Body-prototype-geometry" class="item">.<span class="name">geometry</span></a></li><li class="instance-method"><a href="#Body-prototype-getGlobalOffset" class="item">.<span class="name">getGlobalOffset</span>()</a></li><li class="constant"><a href="#Body-prototype-hidden" class="item">.<span class="name">hidden</span></a></li><li class="instance-method"><a href="#Body-prototype-init" class="item">.<span class="name">init</span>()</a></li><li class="constant"><a href="#Body-prototype-mass" class="item">.<span class="name">mass</span></a></li><li class="namespace"><a href="#Body-prototype-offset" class="item">.<span class="name">offset</span></a></li><li class="instance-method"><a href="#Body-prototype-options" class="item">.<span class="name">options</span>()</a></li><li class="instance-method"><a href="#Body-prototype-recalc" class="item">.<span class="name">recalc</span>()</a></li><li class="constant"><a href="#Body-prototype-restitution" class="item">.<span class="name">restitution</span></a></li><li class="instance-method"><a href="#Body-prototype-setWorld" class="item">.<span class="name">setWorld</span>()</a></li><li class="instance-method"><a href="#Body-prototype-sleep" class="item">.<span class="name">sleep</span>()</a></li><li class="instance-method"><a href="#Body-prototype-sleepCheck" class="item">.<span class="name">sleepCheck</span>()</a></li><li class="namespace"><a href="#Body-prototype-state" class="item">.<span class="name">state</span></a></li><li class="namespace"><a href="#Body-prototype-styles" class="item">.<span class="name">styles</span></a></li><li class="instance-method"><a href="#Body-prototype-toBodyCoords" class="item">.<span class="name">toBodyCoords</span>()</a></li><li class="instance-method"><a href="#Body-prototype-toWorldCoords" class="item">.<span class="name">toWorldCoords</span>()</a></li><li class="constant"><a href="#Body-prototype-treatment" class="item">.<span class="name">treatment</span></a></li><li class="constant"><a href="#Body-prototype-uid" class="item">.<span class="name">uid</span></a></li><li class="constant"><a href="#Body-prototype-view" class="item">.<span class="name">view</span></a></li><li class="class-method"><a href="#Body-getCOM" class="item">.<span class="name">getCOM</span>()</a></li></ul></li></ul></li><li class="class-method"><a href="#Physics-geometry" class="item">.<span class="name">geometry</span>()</a><ul><li class="class"><a href="#Geometry" class="item"><span class="name">Geometry</span></a><ul><li class="class subclass"><a href="#CircleGeometry" class="item"><span class="name">CircleGeometry</span></a></li><li class="class subclass"><a href="#CompoundGeometry" class="item"><span class="name">CompoundGeometry</span></a><ul><li class="instance-method"><a href="#CompoundGeometry-prototype-addChild" class="item">.<span class="name">addChild</span>()</a></li><li class="instance-method"><a href="#CompoundGeometry-prototype-clear" class="item">.<span class="name">clear</span>()</a></li></ul></li><li class="class subclass"><a href="#ConvexPolygonGeometry" class="item"><span class="name">ConvexPolygonGeometry</span></a><ul><li class="instance-method"><a href="#ConvexPolygonGeometry-prototype-setVertices" class="item">.<span class="name">setVertices</span>()</a></li></ul></li><li class="class subclass"><a href="#PointGeometry" class="item"><span class="name">PointGeometry</span></a></li><li class="class subclass"><a href="#RectangleGeometry" class="item"><span class="name">RectangleGeometry</span></a><ul><li class="constant"><a href="#RectangleGeometry-prototype-height" class="item">.<span class="name">height</span></a></li><li class="constant"><a href="#RectangleGeometry-prototype-width" class="item">.<span class="name">width</span></a></li></ul></li><li class="instance-method"><a href="#Geometry-prototype-aabb" class="item">.<span class="name">aabb</span>()</a></li><li class="instance-method"><a href="#Geometry-prototype-getFarthestCorePoint" class="item">.<span class="name">getFarthestCorePoint</span>()</a></li><li class="instance-method"><a href="#Geometry-prototype-getFarthestHullPoint" class="item">.<span class="name">getFarthestHullPoint</span>()</a></li><li class="instance-method"><a href="#Geometry-prototype-init" class="item">.<span class="name">init</span>()</a></li><li class="instance-method"><a href="#Geometry-prototype-options" class="item">.<span class="name">options</span>()</a></li></ul></li><li class="class-method"><a href="#Physics-geometry-getPolygonArea" class="item">.<span class="name">getPolygonArea</span>()</a></li><li class="class-method"><a href="#Physics-geometry-getPolygonCentroid" class="item">.<span class="name">getPolygonCentroid</span>()</a></li><li class="class-method"><a href="#Physics-geometry-getPolygonMOI" class="item">.<span class="name">getPolygonMOI</span>()</a></li><li class="class-method"><a href="#Physics-geometry-isPointInPolygon" class="item">.<span class="name">isPointInPolygon</span>()</a></li><li class="class-method"><a href="#Physics-geometry-isPolygonConvex" class="item">.<span class="name">isPolygonConvex</span>()</a></li><li class="class-method"><a href="#Physics-geometry-nearestPointOnLine" class="item">.<span class="name">nearestPointOnLine</span>()</a></li><li class="class-method"><a href="#Physics-geometry-regularPolygonVertices" class="item">.<span class="name">regularPolygonVertices</span>()</a></li></ul></li><li class="class-method"><a href="#Physics-gjk" class="item">.<span class="name">gjk</span>()</a></li><li class="class-method"><a href="#Physics-integrator" class="item">.<span class="name">integrator</span>()</a><ul><li class="class"><a href="#Integrator" class="item"><span class="name">Integrator</span></a><ul><li class="class subclass"><a href="#ImprovedEuler" class="item"><span class="name">ImprovedEuler</span></a></li><li class="class subclass"><a href="#VelocityVerlet" class="item"><span class="name">VelocityVerlet</span></a></li><li class="class subclass"><a href="#Verlet" class="item"><span class="name">Verlet</span></a></li><li class="instance-method"><a href="#Integrator-prototype-connect" class="item">.<span class="name">connect</span>()</a></li><li class="instance-method"><a href="#Integrator-prototype-disconnect" class="item">.<span class="name">disconnect</span>()</a></li><li class="instance-method"><a href="#Integrator-prototype-init" class="item">.<span class="name">init</span>()</a></li><li class="instance-method"><a href="#Integrator-prototype-integrate" class="item">.<span class="name">integrate</span>()</a></li><li class="instance-method"><a href="#Integrator-prototype-integratePositions" class="item">.<span class="name">integratePositions</span>()</a></li><li class="instance-method"><a href="#Integrator-prototype-integrateVelocities" class="item">.<span class="name">integrateVelocities</span>()</a></li><li class="instance-method"><a href="#Integrator-prototype-options" class="item">.<span class="name">options</span>()</a></li><li class="instance-method"><a href="#Integrator-prototype-setWorld" class="item">.<span class="name">setWorld</span>()</a></li></ul></li></ul></li><li class="class-method"><a href="#Physics-noConflict" class="item">.<span class="name">noConflict</span>()</a></li><li class="class-method"><a href="#Physics-query" class="item">.<span class="name">query</span>()</a></li><li class="class-method"><a href="#Physics-renderer" class="item">.<span class="name">renderer</span>()</a><ul><li class="class"><a href="#Renderer" class="item"><span class="name">Renderer</span></a><ul><li class="class subclass"><a href="#CanvasRenderer" class="item"><span class="name">CanvasRenderer</span></a><ul><li class="class"><a href="#Layer" class="item"><span class="name">Layer</span></a><ul><li class="instance-method"><a href="#Layer-prototype-addToStack" class="item">.<span class="name">addToStack</span>()</a></li><li class="constant"><a href="#Layer-prototype-bodies" class="item">.<span class="name">bodies</span></a></li><li class="constant"><a href="#Layer-prototype-el" class="item">.<span class="name">el</span></a></li><li class="constant"><a href="#Layer-prototype-id" class="item">.<span class="name">id</span></a></li><li class="instance-method"><a href="#Layer-prototype-options" class="item">.<span class="name">options</span>()</a></li><li class="instance-method"><a href="#Layer-prototype-removeFromStack" class="item">.<span class="name">removeFromStack</span>()</a></li><li class="instance-method"><a href="#Layer-prototype-render" class="item">.<span class="name">render</span>()</a></li><li class="instance-method"><a href="#Layer-prototype-reset" class="item">.<span class="name">reset</span>()</a></li></ul></li><li class="instance-method"><a href="#CanvasRenderer-prototype-addLayer" class="item">.<span class="name">addLayer</span>()</a></li><li class="instance-method"><a href="#CanvasRenderer-prototype-draw" class="item">.<span class="name">draw</span>()</a></li><li class="instance-method"><a href="#CanvasRenderer-prototype-drawCircle" class="item">.<span class="name">drawCircle</span>()</a></li><li class="instance-method"><a href="#CanvasRenderer-prototype-drawLine" class="item">.<span class="name">drawLine</span>()</a></li><li class="instance-method"><a href="#CanvasRenderer-prototype-drawPolygon" class="item">.<span class="name">drawPolygon</span>()</a></li><li class="instance-method"><a href="#CanvasRenderer-prototype-drawRect" class="item">.<span class="name">drawRect</span>()</a></li><li class="instance-method"><a href="#CanvasRenderer-prototype-layer" class="item">.<span class="name">layer</span>()</a></li><li class="instance-method"><a href="#CanvasRenderer-prototype-removeLayer" class="item">.<span class="name">removeLayer</span>()</a></li><li class="instance-method"><a href="#CanvasRenderer-prototype-resize" class="item">.<span class="name">resize</span>()</a></li><li class="instance-method"><a href="#CanvasRenderer-prototype-setStyle" class="item">.<span class="name">setStyle</span>()</a></li></ul></li><li class="class subclass"><a href="#DebugRenderer" class="item"><span class="name">DebugRenderer</span></a></li><li class="class subclass"><a href="#DomRenderer" class="item"><span class="name">DomRenderer</span></a><ul><li class="instance-method"><a href="#DomRenderer-prototype-attach" class="item">.<span class="name">attach</span>()</a></li><li class="instance-method"><a href="#DomRenderer-prototype-circleProperties" class="item">.<span class="name">circleProperties</span>()</a></li><li class="instance-method"><a href="#DomRenderer-prototype-detach" class="item">.<span class="name">detach</span>()</a></li><li class="instance-method"><a href="#DomRenderer-prototype-pointProperties" class="item">.<span class="name">pointProperties</span>()</a></li><li class="instance-method"><a href="#DomRenderer-prototype-rectangleProperties" class="item">.<span class="name">rectangleProperties</span>()</a></li></ul></li><li class="class subclass"><a href="#PixiRenderer" class="item"><span class="name">PixiRenderer</span></a><ul><li class="instance-method"><a href="#PixiRenderer-prototype-attach" class="item">.<span class="name">attach</span>()</a></li><li class="instance-method"><a href="#PixiRenderer-prototype-centerAnchor" class="item">.<span class="name">centerAnchor</span>()</a></li><li class="instance-method"><a href="#PixiRenderer-prototype-createCircle" class="item">.<span class="name">createCircle</span>()</a></li><li class="instance-method"><a href="#PixiRenderer-prototype-createDisplay" class="item">.<span class="name">createDisplay</span>()</a></li><li class="instance-method"><a href="#PixiRenderer-prototype-createLine" class="item">.<span class="name">createLine</span>()</a></li><li class="instance-method"><a href="#PixiRenderer-prototype-createPolygon" class="item">.<span class="name">createPolygon</span>()</a></li><li class="instance-method"><a href="#PixiRenderer-prototype-createRect" class="item">.<span class="name">createRect</span>()</a></li><li class="instance-method"><a href="#PixiRenderer-prototype-detach" class="item">.<span class="name">detach</span>()</a></li><li class="instance-method"><a href="#PixiRenderer-prototype-drawBody" class="item">.<span class="name">drawBody</span>()</a></li><li class="instance-method"><a href="#PixiRenderer-prototype-loadSpriteSheets" class="item">.<span class="name">loadSpriteSheets</span>()</a></li><li class="instance-method"><a href="#PixiRenderer-prototype-setStyles" class="item">.<span class="name">setStyles</span>()</a></li></ul></li><li class="instance-method"><a href="#Renderer-prototype-createView" class="item">.<span class="name">createView</span>()</a></li><li class="instance-method"><a href="#Renderer-prototype-drawBody" class="item">.<span class="name">drawBody</span>()</a></li><li class="instance-method"><a href="#Renderer-prototype-drawMeta" class="item">.<span class="name">drawMeta</span>()</a></li><li class="instance-method"><a href="#Renderer-prototype-init" class="item">.<span class="name">init</span>()</a></li><li class="instance-method"><a href="#Renderer-prototype-render" class="item">.<span class="name">render</span>()</a></li><li class="instance-method"><a href="#Renderer-prototype-resize" class="item">.<span class="name">resize</span>()</a></li><li class="instance-method"><a href="#Renderer-prototype-setWorld" class="item">.<span class="name">setWorld</span>()</a></li></ul></li></ul></li><li class="class-method"><a href="#Physics-scratchpad" class="item">.<span class="name">scratchpad</span>()</a><ul><li class="class"><a href="#Scratch" class="item"><span class="name">Scratch</span></a><ul><li class="instance-method"><a href="#Scratch-prototype-done" class="item">.<span class="name">done</span>()</a></li></ul></li><li class="class-method"><a href="#Physics-scratchpad-fn" class="item">.<span class="name">fn</span>()</a></li><li class="class-method"><a href="#Physics-scratchpad-register" class="item">.<span class="name">register</span>()</a></li></ul></li><li class="namespace"><a href="#Physics-util" class="item">.<span class="name">util</span></a><ul><li class="class"><a href="#Physics-util-pubsub" class="item">.<span class="name">pubsub</span></a><ul><li class="instance-method"><a href="#Physics-util-pubsub-prototype-emit" class="item">.<span class="name">emit</span>()</a></li><li class="instance-method"><a href="#Physics-util-pubsub-prototype-off" class="item">.<span class="name">off</span>()</a></li><li class="instance-method"><a href="#Physics-util-pubsub-prototype-on" class="item">.<span class="name">on</span>()</a></li><li class="instance-method"><a href="#Physics-util-pubsub-prototype-one" class="item">.<span class="name">one</span>()</a></li></ul></li><li class="class"><a href="#Physics-util-ticker" class="item">.<span class="name">ticker</span></a><ul><li class="class-method"><a href="#Physics-util-ticker-isActive" class="item">.<span class="name">isActive</span>()</a></li><li class="class-method"><a href="#Physics-util-ticker-off" class="item">.<span class="name">off</span>()</a></li><li class="class-method"><a href="#Physics-util-ticker-on" class="item">.<span class="name">on</span>()</a></li><li class="class-method"><a href="#Physics-util-ticker-start" class="item">.<span class="name">start</span>()</a></li><li class="class-method"><a href="#Physics-util-ticker-stop" class="item">.<span class="name">stop</span>()</a></li></ul></li><li class="class-method"><a href="#Physics-util-bind" class="item">.<span class="name">bind</span>()</a></li><li class="class-method"><a href="#Physics-util-clearArray" class="item">.<span class="name">clearArray</span>()</a></li><li class="class-method"><a href="#Physics-util-decorator" class="item">.<span class="name">decorator</span>()</a><ul><li class="method"><a href="#factory" class="item"><span class="name">factory</span></a></li></ul></li><li class="class-method"><a href="#Physics-util-defaults" class="item">.<span class="name">defaults</span>()</a></li><li class="class-method"><a href="#Physics-util-extend" class="item">.<span class="name">extend</span>()</a></li><li class="class-method"><a href="#Physics-util-filter" class="item">.<span class="name">filter</span>()</a></li><li class="class-method"><a href="#Physics-util-find" class="item">.<span class="name">find</span>()</a></li><li class="class-method"><a href="#Physics-util-indexOf" class="item">.<span class="name">indexOf</span>()</a></li><li class="class-method"><a href="#Physics-util-isArray" class="item">.<span class="name">isArray</span>()</a></li><li class="class-method"><a href="#Physics-util-isFunction" class="item">.<span class="name">isFunction</span>()</a></li><li class="class-method"><a href="#Physics-util-isObject" class="item">.<span class="name">isObject</span>()</a></li><li class="class-method"><a href="#Physics-util-isPlainObject" class="item">.<span class="name">isPlainObject</span>()</a></li><li class="class-method"><a href="#Physics-util-options" class="item">.<span class="name">options</span>()</a></li><li class="class-method"><a href="#Physics-util-pairHash" class="item">.<span class="name">pairHash</span>()</a></li><li class="class-method"><a href="#Physics-util-sortedIndex" class="item">.<span class="name">sortedIndex</span>()</a></li><li class="class-method"><a href="#Physics-util-throttle" class="item">.<span class="name">throttle</span>()</a></li><li class="class-method"><a href="#Physics-util-uniq" class="item">.<span class="name">uniq</span>()</a></li><li class="class-method"><a href="#Physics-util-uniqueId" class="item">.<span class="name">uniqueId</span>()</a></li></ul></li></ul></li><li class="class-method"><a href="#Physics-statistics-pushRunningAvg" class="item"><span class="name">pushRunningAvg</span>()</a></li><li class="class-method"><a href="#Physics-statistics-pushRunningVectorAvg" class="item"><span class="name">pushRunningVectorAvg</span>()</a></li><li class="section"><a href="#special" class="item"><span class="name">Special</span></a><ul><li class="class"><a href="#Vectorish" class="item"><span class="name">Vectorish</span></a></li></ul></li></ul></nav><article class="doc namespace"><header><h1 class="title"><a id="Physics" href="#Physics"><span class="pfx"></span><span class="name">Physics</span></a><div class="flags"></div></h1></header><div class="desc"><p>The top-level namespace. All of PhysicsJS is contained in
 the <code>Physics</code> namespace.</p>
-</div><div class="desc long"><p>It may (and should) be invoked as a function to create a world instance. For all intensive purposes, <a href="#Physics">Physics</a> and <a href="#Physics-world">Physics.world</a> are the same thing.</p>
+</div><div class="desc long"><p>It may (and should) be invoked as a function to create a world instance. For all intents and purposes, <a href="#Physics">Physics</a> and <a href="#Physics-world">Physics.world</a> are the same thing.</p>
 <p>See <a href="#Physics-world-new">new Physics.world</a> for config options and function signature.</p>
 <p>Example:</p>
 <pre><code class="lang-javascript"><div class="highlight"><pre><span class="nx">Physics</span><span class="p">(</span> <span class="nx">cfg</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span> <span class="nx">world</span> <span class="p">)</span> <span class="p">{</span>
