planck/dist/planck.min.js

2D JavaScript/TypeScript physics engine for cross-platform HTML5 game development

(function(global,factory){typeof exports==="object"&&typeof module!=="undefined"?factory(exports):typeof define==="function"&&define.amd?define(["exports"],factory):(global=typeof globalThis!=="undefined"?globalThis:global||self,factory(global.planck={}))})(this,function(exports2){"use strict";
/**
 * Planck.js v1.5.0
 * @license The MIT license
 * @copyright Copyright (c) 2026 Erin Catto, Ali Shakiba
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */var extendStatics=function(d2,b2){extendStatics=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(d3,b3){d3.__proto__=b3}||function(d3,b3){for(var p in b3)if(Object.prototype.hasOwnProperty.call(b3,p))d3[p]=b3[p]};return extendStatics(d2,b2)};function __extends(d2,b2){if(typeof b2!=="function"&&b2!==null)throw new TypeError("Class extends value "+String(b2)+" is not a constructor or null");extendStatics(d2,b2);function __(){this.constructor=d2}d2.prototype=b2===null?Object.create(b2):(__.prototype=b2.prototype,new __)}var __assign=function(){__assign=Object.assign||function __assign2(t){for(var s2,i=1,n2=arguments.length;i<n2;i++){s2=arguments[i];for(var p in s2)if(Object.prototype.hasOwnProperty.call(s2,p))t[p]=s2[p]}return t};return __assign.apply(this,arguments)};typeof SuppressedError==="function"?SuppressedError:function(error,suppressed,message){var e3=new Error(message);return e3.name="SuppressedError",e3.error=error,e3.suppressed=suppressed,e3};var options=function(input2,defaults){if(input2===null||typeof input2==="undefined"){input2={}}var output2=__assign({},input2);for(var key in defaults){if(defaults.hasOwnProperty(key)&&typeof input2[key]==="undefined"){output2[key]=defaults[key]}}if(typeof Object.getOwnPropertySymbols==="function"){var symbols=Object.getOwnPropertySymbols(defaults);for(var i=0;i<symbols.length;i++){var symbol=symbols[i];if(defaults.propertyIsEnumerable(symbol)&&typeof input2[symbol]==="undefined"){output2[symbol]=defaults[symbol]}}}return output2};var math_random=Math.random;var EPSILON=1e-9;var isFinite=Number.isFinite;function nextPowerOfTwo(x2){x2|=x2>>1;x2|=x2>>2;x2|=x2>>4;x2|=x2>>8;x2|=x2>>16;return x2+1}function isPowerOfTwo(x2){return x2>0&&(x2&x2-1)===0}function mod(num,min,max){if(typeof min==="undefined"){max=1;min=0}else if(typeof max==="undefined"){max=min;min=0}if(max>min){num=(num-min)%(max-min);return num+(num<0?max:min)}else{num=(num-max)%(min-max);return num+(num<=0?min:max)}}function clamp(num,min,max){if(num<min){return min}else if(num>max){return max}else{return num}}function random(min,max){if(typeof min==="undefined"){max=1;min=0}else if(typeof max==="undefined"){max=min;min=0}return min===max?min:math_random()*(max-min)+min}var math=Object.create(Math);math.EPSILON=EPSILON;math.isFinite=isFinite;math.nextPowerOfTwo=nextPowerOfTwo;math.isPowerOfTwo=isPowerOfTwo;math.mod=mod;math.clamp=clamp;math.random=random;var math_abs$9=Math.abs;var math_sqrt$5=Math.sqrt;var math_max$8=Math.max;var math_min$8=Math.min;var Vec2=function(){function Vec22(x2,y){if(!(this instanceof Vec22)){return new Vec22(x2,y)}if(typeof x2==="undefined"){this.x=0;this.y=0}else if(typeof x2==="object"){this.x=x2.x;this.y=x2.y}else{this.x=x2;this.y=y}}Vec22.prototype._serialize=function(){return{x:this.x,y:this.y}};Vec22._deserialize=function(data){var obj=Object.create(Vec22.prototype);obj.x=data.x;obj.y=data.y;return obj};Vec22.zero=function(){var obj=Object.create(Vec22.prototype);obj.x=0;obj.y=0;return obj};Vec22.neo=function(x2,y){var obj=Object.create(Vec22.prototype);obj.x=x2;obj.y=y;return obj};Vec22.clone=function(v3){return Vec22.neo(v3.x,v3.y)};Vec22.prototype.toString=function(){return JSON.stringify(this)};Vec22.isValid=function(obj){if(obj===null||typeof obj==="undefined"){return false}return Number.isFinite(obj.x)&&Number.isFinite(obj.y)};Vec22.assert=function(o){};Vec22.prototype.clone=function(){return Vec22.clone(this)};Vec22.prototype.setZero=function(){this.x=0;this.y=0;return this};Vec22.prototype.set=function(x2,y){if(typeof x2==="object"){this.x=x2.x;this.y=x2.y}else{this.x=x2;this.y=y}return this};Vec22.prototype.setNum=function(x2,y){this.x=x2;this.y=y;return this};Vec22.prototype.setVec2=function(value){this.x=value.x;this.y=value.y;return this};Vec22.prototype.wSet=function(a2,v3,b2,w){if(typeof b2!=="undefined"||typeof w!=="undefined"){return this.setCombine(a2,v3,b2,w)}else{return this.setMul(a2,v3)}};Vec22.prototype.setCombine=function(a2,v3,b2,w){var x2=a2*v3.x+b2*w.x;var y=a2*v3.y+b2*w.y;this.x=x2;this.y=y;return this};Vec22.prototype.setMul=function(a2,v3){var x2=a2*v3.x;var y=a2*v3.y;this.x=x2;this.y=y;return this};Vec22.prototype.add=function(w){this.x+=w.x;this.y+=w.y;return this};Vec22.prototype.wAdd=function(a2,v3,b2,w){if(typeof b2!=="undefined"||typeof w!=="undefined"){return this.addCombine(a2,v3,b2,w)}else{return this.addMul(a2,v3)}};Vec22.prototype.addCombine=function(a2,v3,b2,w){var x2=a2*v3.x+b2*w.x;var y=a2*v3.y+b2*w.y;this.x+=x2;this.y+=y;return this};Vec22.prototype.addMul=function(a2,v3){var x2=a2*v3.x;var y=a2*v3.y;this.x+=x2;this.y+=y;return this};Vec22.prototype.wSub=function(a2,v3,b2,w){if(typeof b2!=="undefined"||typeof w!=="undefined"){return this.subCombine(a2,v3,b2,w)}else{return this.subMul(a2,v3)}};Vec22.prototype.subCombine=function(a2,v3,b2,w){var x2=a2*v3.x+b2*w.x;var y=a2*v3.y+b2*w.y;this.x-=x2;this.y-=y;return this};Vec22.prototype.subMul=function(a2,v3){var x2=a2*v3.x;var y=a2*v3.y;this.x-=x2;this.y-=y;return this};Vec22.prototype.sub=function(w){this.x-=w.x;this.y-=w.y;return this};Vec22.prototype.mul=function(m){this.x*=m;this.y*=m;return this};Vec22.prototype.length=function(){return Vec22.lengthOf(this)};Vec22.prototype.lengthSquared=function(){return Vec22.lengthSquared(this)};Vec22.prototype.normalize=function(){var length=this.length();if(length<EPSILON){return 0}var invLength=1/length;this.x*=invLength;this.y*=invLength;return length};Vec22.normalize=function(v3){var length=Vec22.lengthOf(v3);if(length<EPSILON){return Vec22.zero()}var invLength=1/length;return Vec22.neo(v3.x*invLength,v3.y*invLength)};Vec22.lengthOf=function(v3){return math_sqrt$5(v3.x*v3.x+v3.y*v3.y)};Vec22.lengthSquared=function(v3){return v3.x*v3.x+v3.y*v3.y};Vec22.distance=function(v3,w){var dx=v3.x-w.x;var dy=v3.y-w.y;return math_sqrt$5(dx*dx+dy*dy)};Vec22.distanceSquared=function(v3,w){var dx=v3.x-w.x;var dy=v3.y-w.y;return dx*dx+dy*dy};Vec22.areEqual=function(v3,w){return v3===w||typeof w==="object"&&w!==null&&v3.x===w.x&&v3.y===w.y};Vec22.skew=function(v3){return Vec22.neo(-v3.y,v3.x)};Vec22.dot=function(v3,w){return v3.x*w.x+v3.y*w.y};Vec22.cross=function(v3,w){if(typeof w==="number"){return Vec22.neo(w*v3.y,-w*v3.x)}else if(typeof v3==="number"){return Vec22.neo(-v3*w.y,v3*w.x)}else{return v3.x*w.y-v3.y*w.x}};Vec22.crossVec2Vec2=function(v3,w){return v3.x*w.y-v3.y*w.x};Vec22.crossVec2Num=function(v3,w){return Vec22.neo(w*v3.y,-w*v3.x)};Vec22.crossNumVec2=function(v3,w){return Vec22.neo(-v3*w.y,v3*w.x)};Vec22.addCross=function(a2,v3,w){if(typeof w==="number"){return Vec22.neo(w*v3.y+a2.x,-w*v3.x+a2.y)}else if(typeof v3==="number"){return Vec22.neo(-v3*w.y+a2.x,v3*w.x+a2.y)}};Vec22.addCrossVec2Num=function(a2,v3,w){return Vec22.neo(w*v3.y+a2.x,-w*v3.x+a2.y)};Vec22.addCrossNumVec2=function(a2,v3,w){return Vec22.neo(-v3*w.y+a2.x,v3*w.x+a2.y)};Vec22.add=function(v3,w){return Vec22.neo(v3.x+w.x,v3.y+w.y)};Vec22.wAdd=function(a2,v3,b2,w){if(typeof b2!=="undefined"||typeof w!=="undefined"){return Vec22.combine(a2,v3,b2,w)}else{return Vec22.mulNumVec2(a2,v3)}};Vec22.combine=function(a2,v3,b2,w){return Vec22.zero().setCombine(a2,v3,b2,w)};Vec22.sub=function(v3,w){return Vec22.neo(v3.x-w.x,v3.y-w.y)};Vec22.mul=function(a2,b2){if(typeof a2==="object"){return Vec22.neo(a2.x*b2,a2.y*b2)}else if(typeof b2==="object"){return Vec22.neo(a2*b2.x,a2*b2.y)}};Vec22.mulVec2Num=function(a2,b2){return Vec22.neo(a2.x*b2,a2.y*b2)};Vec22.mulNumVec2=function(a2,b2){return Vec22.neo(a2*b2.x,a2*b2.y)};Vec22.prototype.neg=function(){this.x=-this.x;this.y=-this.y;return this};Vec22.neg=function(v3){return Vec22.neo(-v3.x,-v3.y)};Vec22.abs=function(v3){return Vec22.neo(math_abs$9(v3.x),math_abs$9(v3.y))};Vec22.mid=function(v3,w){return Vec22.neo((v3.x+w.x)*.5,(v3.y+w.y)*.5)};Vec22.upper=function(v3,w){return Vec22.neo(math_max$8(v3.x,w.x),math_max$8(v3.y,w.y))};Vec22.lower=function(v3,w){return Vec22.neo(math_min$8(v3.x,w.x),math_min$8(v3.y,w.y))};Vec22.prototype.clamp=function(max){var lengthSqr=this.x*this.x+this.y*this.y;if(lengthSqr>max*max){var scale=max/math_sqrt$5(lengthSqr);this.x*=scale;this.y*=scale}return this};Vec22.clamp=function(v3,max){var r=Vec22.neo(v3.x,v3.y);r.clamp(max);return r};Vec22.clampVec2=function(v3,min,max){return{x:clamp(v3.x,min===null||min===void 0?void 0:min.x,max===null||max===void 0?void 0:max.x),y:clamp(v3.y,min===null||min===void 0?void 0:min.y,max===null||max===void 0?void 0:max.y)}};Vec22.scaleFn=function(x2,y){return function(v3){return Vec22.neo(v3.x*x2,v3.y*y)}};Vec22.translateFn=function(x2,y){return function(v3){return Vec22.neo(v3.x+x2,v3.y+y)}};return Vec22}();var math_max$7=Math.max;var math_min$7=Math.min;var AABB=function(){function AABB2(lower,upper){if(!(this instanceof AABB2)){return new AABB2(lower,upper)}this.lowerBound=Vec2.zero();this.upperBound=Vec2.zero();if(typeof lower==="object"){this.lowerBound.setVec2(lower)}if(typeof upper==="object"){this.upperBound.setVec2(upper)}else if(typeof lower==="object"){this.upperBound.setVec2(lower)}}AABB2.prototype.isValid=function(){return AABB2.isValid(this)};AABB2.isValid=function(obj){if(obj===null||typeof obj==="undefined"){return false}return Vec2.isValid(obj.lowerBound)&&Vec2.isValid(obj.upperBound)&&Vec2.sub(obj.upperBound,obj.lowerBound).lengthSquared()>=0};AABB2.assert=function(o){};AABB2.prototype.getCenter=function(){return Vec2.neo((this.lowerBound.x+this.upperBound.x)*.5,(this.lowerBound.y+this.upperBound.y)*.5)};AABB2.prototype.getExtents=function(){return Vec2.neo((this.upperBound.x-this.lowerBound.x)*.5,(this.upperBound.y-this.lowerBound.y)*.5)};AABB2.prototype.getPerimeter=function(){return 2*(this.upperBound.x-this.lowerBound.x+this.upperBound.y-this.lowerBound.y)};AABB2.prototype.combine=function(a2,b2){b2=b2||this;var lowerA=a2.lowerBound;var upperA=a2.upperBound;var lowerB=b2.lowerBound;var upperB=b2.upperBound;var lowerX=math_min$7(lowerA.x,lowerB.x);var lowerY=math_min$7(lowerA.y,lowerB.y);var upperX=math_max$7(upperB.x,upperA.x);var upperY=math_max$7(upperB.y,upperA.y);this.lowerBound.setNum(lowerX,lowerY);this.upperBound.setNum(upperX,upperY)};AABB2.prototype.combinePoints=function(a2,b2){this.lowerBound.setNum(math_min$7(a2.x,b2.x),math_min$7(a2.y,b2.y));this.upperBound.setNum(math_max$7(a2.x,b2.x),math_max$7(a2.y,b2.y))};AABB2.prototype.set=function(aabb){this.lowerBound.setNum(aabb.lowerBound.x,aabb.lowerBound.y);this.upperBound.setNum(aabb.upperBound.x,aabb.upperBound.y)};AABB2.prototype.contains=function(aabb){var result=true;result=result&&this.lowerBound.x<=aabb.lowerBound.x;result=result&&this.lowerBound.y<=aabb.lowerBound.y;result=result&&aabb.upperBound.x<=this.upperBound.x;result=result&&aabb.upperBound.y<=this.upperBound.y;return result};AABB2.prototype.extend=function(value){AABB2.extend(this,value);return this};AABB2.extend=function(out,value){out.lowerBound.x-=value;out.lowerBound.y-=value;out.upperBound.x+=value;out.upperBound.y+=value;return out};AABB2.testOverlap=function(a2,b2){var d1x=b2.lowerBound.x-a2.upperBound.x;var d2x=a2.lowerBound.x-b2.upperBound.x;var d1y=b2.lowerBound.y-a2.upperBound.y;var d2y=a2.lowerBound.y-b2.upperBound.y;if(d1x>0||d1y>0||d2x>0||d2y>0){return false}return true};AABB2.areEqual=function(a2,b2){return Vec2.areEqual(a2.lowerBound,b2.lowerBound)&&Vec2.areEqual(a2.upperBound,b2.upperBound)};AABB2.diff=function(a2,b2){var wD=math_max$7(0,math_min$7(a2.upperBound.x,b2.upperBound.x)-math_max$7(b2.lowerBound.x,a2.lowerBound.x));var hD=math_max$7(0,math_min$7(a2.upperBound.y,b2.upperBound.y)-math_max$7(b2.lowerBound.y,a2.lowerBound.y));var wA=a2.upperBound.x-a2.lowerBound.x;var hA=a2.upperBound.y-a2.lowerBound.y;var wB=b2.upperBound.x-b2.lowerBound.x;var hB=b2.upperBound.y-b2.lowerBound.y;return wA*hA+wB*hB-wD*hD};AABB2.prototype.rayCast=function(output2,input2){var tmin=-Infinity;var tmax=Infinity;var p=input2.p1;var d2=Vec2.sub(input2.p2,input2.p1);var absD=Vec2.abs(d2);var normal3=Vec2.zero();{if(absD.x<EPSILON){if(p.x<this.lowerBound.x||this.upperBound.x<p.x){return false}}else{var inv_d=1/d2.x;var t1=(this.lowerBound.x-p.x)*inv_d;var t2=(this.upperBound.x-p.x)*inv_d;var s2=-1;if(t1>t2){var temp3=t1;t1=t2;t2=temp3;s2=1}if(t1>tmin){normal3.setZero();normal3.x=s2;tmin=t1}tmax=math_min$7(tmax,t2);if(tmin>tmax){return false}}}{if(absD.y<EPSILON){if(p.y<this.lowerBound.y||this.upperBound.y<p.y){return false}}else{var inv_d=1/d2.y;var t1=(this.lowerBound.y-p.y)*inv_d;var t2=(this.upperBound.y-p.y)*inv_d;var s2=-1;if(t1>t2){var temp3=t1;t1=t2;t2=temp3;s2=1}if(t1>tmin){normal3.setZero();normal3.y=s2;tmin=t1}tmax=math_min$7(tmax,t2);if(tmin>tmax){return false}}}if(tmin<0||input2.maxFraction<tmin){return false}output2.fraction=tmin;output2.normal=normal3;return true};AABB2.prototype.toString=function(){return JSON.stringify(this)};AABB2.combinePoints=function(out,a2,b2){out.lowerBound.x=math_min$7(a2.x,b2.x);out.lowerBound.y=math_min$7(a2.y,b2.y);out.upperBound.x=math_max$7(a2.x,b2.x);out.upperBound.y=math_max$7(a2.y,b2.y);return out};AABB2.combinedPerimeter=function(a2,b2){var lx=math_min$7(a2.lowerBound.x,b2.lowerBound.x);var ly=math_min$7(a2.lowerBound.y,b2.lowerBound.y);var ux=math_max$7(a2.upperBound.x,b2.upperBound.x);var uy=math_max$7(a2.upperBound.y,b2.upperBound.y);return 2*(ux-lx+uy-ly)};return AABB2}();var math_PI$6=Math.PI;var Settings=function(){function Settings2(){}Object.defineProperty(Settings2,"polygonRadius",{get:function(){return 2*Settings2.linearSlop},enumerable:false,configurable:true});Settings2.lengthUnitsPerMeter=1;Settings2.maxManifoldPoints=2;Settings2.maxPolygonVertices=12;Settings2.aabbExtension=.1;Settings2.aabbMultiplier=2;Settings2.linearSlop=.005;Settings2.angularSlop=2/180*math_PI$6;Settings2.maxSubSteps=8;Settings2.maxTOIContacts=32;Settings2.maxTOIIterations=20;Settings2.maxDistanceIterations=20;Settings2.velocityThreshold=1;Settings2.maxLinearCorrection=.2;Settings2.maxAngularCorrection=8/180*math_PI$6;Settings2.maxTranslation=2;Settings2.maxRotation=.5*math_PI$6;Settings2.baumgarte=.2;Settings2.toiBaugarte=.75;Settings2.timeToSleep=.5;Settings2.linearSleepTolerance=.01;Settings2.angularSleepTolerance=2/180*math_PI$6;return Settings2}();var SettingsInternal=function(){function SettingsInternal2(){}Object.defineProperty(SettingsInternal2,"maxManifoldPoints",{get:function(){return Settings.maxManifoldPoints},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"maxPolygonVertices",{get:function(){return Settings.maxPolygonVertices},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"aabbExtension",{get:function(){return Settings.aabbExtension*Settings.lengthUnitsPerMeter},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"aabbMultiplier",{get:function(){return Settings.aabbMultiplier},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"linearSlop",{get:function(){return Settings.linearSlop*Settings.lengthUnitsPerMeter},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"linearSlopSquared",{get:function(){return Settings.linearSlop*Settings.lengthUnitsPerMeter*Settings.linearSlop*Settings.lengthUnitsPerMeter},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"angularSlop",{get:function(){return Settings.angularSlop},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"polygonRadius",{get:function(){return 2*Settings.linearSlop},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"maxSubSteps",{get:function(){return Settings.maxSubSteps},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"maxTOIContacts",{get:function(){return Settings.maxTOIContacts},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"maxTOIIterations",{get:function(){return Settings.maxTOIIterations},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"maxDistanceIterations",{get:function(){return Settings.maxDistanceIterations},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"velocityThreshold",{get:function(){return Settings.velocityThreshold*Settings.lengthUnitsPerMeter},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"maxLinearCorrection",{get:function(){return Settings.maxLinearCorrection*Settings.lengthUnitsPerMeter},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"maxAngularCorrection",{get:function(){return Settings.maxAngularCorrection},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"maxTranslation",{get:function(){return Settings.maxTranslation*Settings.lengthUnitsPerMeter},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"maxTranslationSquared",{get:function(){return Settings.maxTranslation*Settings.lengthUnitsPerMeter*Settings.maxTranslation*Settings.lengthUnitsPerMeter},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"maxRotation",{get:function(){return Settings.maxRotation},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"maxRotationSquared",{get:function(){return Settings.maxRotation*Settings.maxRotation},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"baumgarte",{get:function(){return Settings.baumgarte},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"toiBaugarte",{get:function(){return Settings.toiBaugarte},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"timeToSleep",{get:function(){return Settings.timeToSleep},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"linearSleepTolerance",{get:function(){return Settings.linearSleepTolerance*Settings.lengthUnitsPerMeter},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"linearSleepToleranceSqr",{get:function(){return Settings.linearSleepTolerance*Settings.lengthUnitsPerMeter*Settings.linearSleepTolerance*Settings.lengthUnitsPerMeter},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"angularSleepTolerance",{get:function(){return Settings.angularSleepTolerance},enumerable:false,configurable:true});Object.defineProperty(SettingsInternal2,"angularSleepToleranceSqr",{get:function(){return Settings.angularSleepTolerance*Settings.angularSleepTolerance},enumerable:false,configurable:true});return SettingsInternal2}();var Pool=function(){function Pool2(opts){this._list=[];this._max=Infinity;this._hasCreateFn=false;this._createCount=0;this._hasAllocateFn=false;this._allocateCount=0;this._hasReleaseFn=false;this._releaseCount=0;this._hasDisposeFn=false;this._disposeCount=0;this._list=[];this._max=opts.max||this._max;this._createFn=opts.create;this._hasCreateFn=typeof this._createFn==="function";this._allocateFn=opts.allocate;this._hasAllocateFn=typeof this._allocateFn==="function";this._releaseFn=opts.release;this._hasReleaseFn=typeof this._releaseFn==="function";this._disposeFn=opts.dispose;this._hasDisposeFn=typeof this._disposeFn==="function"}Pool2.prototype.max=function(n2){if(typeof n2==="number"){this._max=n2;return this}return this._max};Pool2.prototype.size=function(){return this._list.length};Pool2.prototype.allocate=function(){var item;if(this._list.length>0){item=this._list.shift()}else{this._createCount++;if(this._hasCreateFn){item=this._createFn()}else{item={}}}this._allocateCount++;if(this._hasAllocateFn){this._allocateFn(item)}return item};Pool2.prototype.release=function(item){if(this._list.length<this._max){this._releaseCount++;if(this._hasReleaseFn){this._releaseFn(item)}this._list.push(item)}else{this._disposeCount++;if(this._hasDisposeFn){item=this._disposeFn(item)}}};Pool2.prototype.toString=function(){return" +"+this._createCount+" >"+this._allocateCount+" <"+this._releaseCount+" -"+this._disposeCount+" ="+this._list.length+"/"+this._max};return Pool2}();var math_abs$8=Math.abs;var math_max$6=Math.max;var TreeNode=function(){function TreeNode2(id){this.aabb=new AABB;this.userData=null;this.parent=null;this.child1=null;this.child2=null;this.height=-1;this.id=id}TreeNode2.prototype.toString=function(){return this.id+": "+this.userData};TreeNode2.prototype.isLeaf=function(){return this.child1==null};return TreeNode2}();var poolTreeNode=new Pool({create:function(){return new TreeNode},release:function(node){node.userData=null;node.parent=null;node.child1=null;node.child2=null;node.height=-1;node.id=void 0}});var DynamicTree=function(){function DynamicTree2(){this.inputPool=new Pool({create:function(){return{}},release:function(stack){}});this.stackPool=new Pool({create:function(){return[]},release:function(stack){stack.length=0}});this.iteratorPool=new Pool({create:function(){return new Iterator},release:function(iterator){iterator.close()}});this.m_root=null;this.m_nodes={};this.m_lastProxyId=0}DynamicTree2.prototype.getUserData=function(id){var node=this.m_nodes[id];return node.userData};DynamicTree2.prototype.getFatAABB=function(id){var node=this.m_nodes[id];return node.aabb};DynamicTree2.prototype.allocateNode=function(){var node=poolTreeNode.allocate();node.id=++this.m_lastProxyId;this.m_nodes[node.id]=node;return node};DynamicTree2.prototype.freeNode=function(node){delete this.m_nodes[node.id];poolTreeNode.release(node)};DynamicTree2.prototype.createProxy=function(aabb,userData){var node=this.allocateNode();node.aabb.set(aabb);AABB.extend(node.aabb,SettingsInternal.aabbExtension);node.userData=userData;node.height=0;this.insertLeaf(node);return node.id};DynamicTree2.prototype.destroyProxy=function(id){var node=this.m_nodes[id];this.removeLeaf(node);this.freeNode(node)};DynamicTree2.prototype.moveProxy=function(id,aabb,d2){var node=this.m_nodes[id];if(node.aabb.contains(aabb)){return false}this.removeLeaf(node);node.aabb.set(aabb);aabb=node.aabb;AABB.extend(aabb,SettingsInternal.aabbExtension);if(d2.x<0){aabb.lowerBound.x+=d2.x*SettingsInternal.aabbMultiplier}else{aabb.upperBound.x+=d2.x*SettingsInternal.aabbMultiplier}if(d2.y<0){aabb.lowerBound.y+=d2.y*SettingsInternal.aabbMultiplier}else{aabb.upperBound.y+=d2.y*SettingsInternal.aabbMultiplier}this.insertLeaf(node);return true};DynamicTree2.prototype.insertLeaf=function(leaf){if(this.m_root==null){this.m_root=leaf;this.m_root.parent=null;return}var leafAABB=leaf.aabb;var index=this.m_root;while(!index.isLeaf()){var child1=index.child1;var child2=index.child2;var area=index.aabb.getPerimeter();var combinedArea=AABB.combinedPerimeter(index.aabb,leafAABB);var cost=2*combinedArea;var inheritanceCost=2*(combinedArea-area);var newArea1=AABB.combinedPerimeter(leafAABB,child1.aabb);var cost1=newArea1+inheritanceCost;if(!child1.isLeaf()){var oldArea=child1.aabb.getPerimeter();cost1-=oldArea}var newArea2=AABB.combinedPerimeter(leafAABB,child2.aabb);var cost2=newArea2+inheritanceCost;if(!child2.isLeaf()){var oldArea=child2.aabb.getPerimeter();cost2-=oldArea}if(cost<cost1&&cost<cost2){break}if(cost1<cost2){index=child1}else{index=child2}}var sibling=index;var oldParent=sibling.parent;var newParent=this.allocateNode();newParent.parent=oldParent;newParent.userData=null;newParent.aabb.combine(leafAABB,sibling.aabb);newParent.height=sibling.height+1;if(oldParent!=null){if(oldParent.child1===sibling){oldParent.child1=newParent}else{oldParent.child2=newParent}newParent.child1=sibling;newParent.child2=leaf;sibling.parent=newParent;leaf.parent=newParent}else{newParent.child1=sibling;newParent.child2=leaf;sibling.parent=newParent;leaf.parent=newParent;this.m_root=newParent}index=leaf.parent;while(index!=null){index=this.balance(index);var child1=index.child1;var child2=index.child2;index.height=1+math_max$6(child1.height,child2.height);index.aabb.combine(child1.aabb,child2.aabb);index=index.parent}};DynamicTree2.prototype.removeLeaf=function(leaf){if(leaf===this.m_root){this.m_root=null;return}var parent=leaf.parent;var grandParent=parent.parent;var sibling;if(parent.child1===leaf){sibling=parent.child2}else{sibling=parent.child1}if(grandParent!=null){if(grandParent.child1===parent){grandParent.child1=sibling}else{grandParent.child2=sibling}sibling.parent=grandParent;this.freeNode(parent);var index=grandParent;while(index!=null){index=this.balance(index);var child1=index.child1;var child2=index.child2;index.aabb.combine(child1.aabb,child2.aabb);index.height=1+math_max$6(child1.height,child2.height);index=index.parent}}else{this.m_root=sibling;sibling.parent=null;this.freeNode(parent)}};DynamicTree2.prototype.balance=function(iA){var A=iA;if(A.isLeaf()||A.height<2){return iA}var B=A.child1;var C=A.child2;var balance=C.height-B.height;if(balance>1){var F=C.child1;var G=C.child2;C.child1=A;C.parent=A.parent;A.parent=C;if(C.parent!=null){if(C.parent.child1===iA){C.parent.child1=C}else{C.parent.child2=C}}else{this.m_root=C}if(F.height>G.height){C.child2=F;A.child2=G;G.parent=A;A.aabb.combine(B.aabb,G.aabb);C.aabb.combine(A.aabb,F.aabb);A.height=1+math_max$6(B.height,G.height);C.height=1+math_max$6(A.height,F.height)}else{C.child2=G;A.child2=F;F.parent=A;A.aabb.combine(B.aabb,F.aabb);C.aabb.combine(A.aabb,G.aabb);A.height=1+math_max$6(B.height,F.height);C.height=1+math_max$6(A.height,G.height)}return C}if(balance<-1){var D=B.child1;var E=B.child2;B.child1=A;B.parent=A.parent;A.parent=B;if(B.parent!=null){if(B.parent.child1===A){B.parent.child1=B}else{B.parent.child2=B}}else{this.m_root=B}if(D.height>E.height){B.child2=D;A.child1=E;E.parent=A;A.aabb.combine(C.aabb,E.aabb);B.aabb.combine(A.aabb,D.aabb);A.height=1+math_max$6(C.height,E.height);B.height=1+math_max$6(A.height,D.height)}else{B.child2=E;A.child1=D;D.parent=A;A.aabb.combine(C.aabb,D.aabb);B.aabb.combine(A.aabb,E.aabb);A.height=1+math_max$6(C.height,D.height);B.height=1+math_max$6(A.height,E.height)}return B}return A};DynamicTree2.prototype.getHeight=function(){if(this.m_root==null){return 0}return this.m_root.height};DynamicTree2.prototype.getAreaRatio=function(){if(this.m_root==null){return 0}var root=this.m_root;var rootArea=root.aabb.getPerimeter();var totalArea=0;var node;var it=this.iteratorPool.allocate().preorder(this.m_root);while(node=it.next()){if(node.height<0){continue}totalArea+=node.aabb.getPerimeter()}this.iteratorPool.release(it);return totalArea/rootArea};DynamicTree2.prototype.computeHeight=function(id){var node;if(typeof id!=="undefined"){node=this.m_nodes[id]}else{node=this.m_root}if(node.isLeaf()){return 0}var height1=this.computeHeight(node.child1.id);var height2=this.computeHeight(node.child2.id);return 1+math_max$6(height1,height2)};DynamicTree2.prototype.validateStructure=function(node){if(node==null){return}if(node===this.m_root);var child1=node.child1;var child2=node.child2;if(node.isLeaf()){return}this.validateStructure(child1);this.validateStructure(child2)};DynamicTree2.prototype.validateMetrics=function(node){if(node==null){return}var child1=node.child1;var child2=node.child2;if(node.isLeaf()){return}this.validateMetrics(child1);this.validateMetrics(child2)};DynamicTree2.prototype.validate=function(){return};DynamicTree2.prototype.getMaxBalance=function(){var maxBalance=0;var node;var it=this.iteratorPool.allocate().preorder(this.m_root);while(node=it.next()){if(node.height<=1){continue}var balance=math_abs$8(node.child2.height-node.child1.height);maxBalance=math_max$6(maxBalance,balance)}this.iteratorPool.release(it);return maxBalance};DynamicTree2.prototype.rebuildBottomUp=function(){var nodes=[];var count=0;var node;var it=this.iteratorPool.allocate().preorder(this.m_root);while(node=it.next()){if(node.height<0){continue}if(node.isLeaf()){node.parent=null;nodes[count]=node;++count}else{this.freeNode(node)}}this.iteratorPool.release(it);while(count>1){var minCost=Infinity;var iMin=-1;var jMin=-1;for(var i=0;i<count;++i){var aabbi=nodes[i].aabb;for(var j=i+1;j<count;++j){var aabbj=nodes[j].aabb;var cost=AABB.combinedPerimeter(aabbi,aabbj);if(cost<minCost){iMin=i;jMin=j;minCost=cost}}}var child1=nodes[iMin];var child2=nodes[jMin];var parent_1=this.allocateNode();parent_1.child1=child1;parent_1.child2=child2;parent_1.height=1+math_max$6(child1.height,child2.height);parent_1.aabb.combine(child1.aabb,child2.aabb);parent_1.parent=null;child1.parent=parent_1;child2.parent=parent_1;nodes[jMin]=nodes[count-1];nodes[iMin]=parent_1;--count}this.m_root=nodes[0]};DynamicTree2.prototype.shiftOrigin=function(newOrigin){var node;var it=this.iteratorPool.allocate().preorder(this.m_root);while(node=it.next()){var aabb=node.aabb;aabb.lowerBound.x-=newOrigin.x;aabb.lowerBound.y-=newOrigin.y;aabb.upperBound.x-=newOrigin.x;aabb.upperBound.y-=newOrigin.y}this.iteratorPool.release(it)};DynamicTree2.prototype.query=function(aabb,queryCallback){var stack=this.stackPool.allocate();stack.push(this.m_root);while(stack.length>0){var node=stack.pop();if(node==null){continue}if(AABB.testOverlap(node.aabb,aabb)){if(node.isLeaf()){var proceed=queryCallback(node.id);if(proceed===false){return}}else{stack.push(node.child1);stack.push(node.child2)}}}this.stackPool.release(stack)};DynamicTree2.prototype.rayCast=function(input2,rayCastCallback){var p1=input2.p1;var p2=input2.p2;var r=Vec2.sub(p2,p1);r.normalize();var v3=Vec2.crossNumVec2(1,r);var abs_v=Vec2.abs(v3);var maxFraction=input2.maxFraction;var segmentAABB=new AABB;var t=Vec2.combine(1-maxFraction,p1,maxFraction,p2);segmentAABB.combinePoints(p1,t);var stack=this.stackPool.allocate();var subInput=this.inputPool.allocate();stack.push(this.m_root);while(stack.length>0){var node=stack.pop();if(node==null){continue}if(AABB.testOverlap(node.aabb,segmentAABB)===false){continue}var c2=node.aabb.getCenter();var h=node.aabb.getExtents();var separation=math_abs$8(Vec2.dot(v3,Vec2.sub(p1,c2)))-Vec2.dot(abs_v,h);if(separation>0){continue}if(node.isLeaf()){subInput.p1=Vec2.clone(input2.p1);subInput.p2=Vec2.clone(input2.p2);subInput.maxFraction=maxFraction;var value=rayCastCallback(subInput,node.id);if(value===0){break}else if(value>0){maxFraction=value;t=Vec2.combine(1-maxFraction,p1,maxFraction,p2);segmentAABB.combinePoints(p1,t)}}else{stack.push(node.child1);stack.push(node.child2)}}this.stackPool.release(stack);this.inputPool.release(subInput)};return DynamicTree2}();var Iterator=function(){function Iterator2(){this.parents=[];this.states=[]}Iterator2.prototype.preorder=function(root){this.parents.length=0;this.parents.push(root);this.states.length=0;this.states.push(0);return this};Iterator2.prototype.next=function(){while(this.parents.length>0){var i=this.parents.length-1;var node=this.parents[i];if(this.states[i]===0){this.states[i]=1;return node}if(this.states[i]===1){this.states[i]=2;if(node.child1){this.parents.push(node.child1);this.states.push(1);return node.child1}}if(this.states[i]===2){this.states[i]=3;if(node.child2){this.parents.push(node.child2);this.states.push(1);return node.child2}}this.parents.pop();this.states.pop()}};Iterator2.prototype.close=function(){this.parents.length=0};return Iterator2}();var math_max$5=Math.max;var math_min$6=Math.min;var BroadPhase=function(){function BroadPhase2(){var _this=this;this.m_tree=new DynamicTree;this.m_moveBuffer=[];this.query=function(aabb,queryCallback){_this.m_tree.query(aabb,queryCallback)};this.queryCallback=function(proxyId){if(proxyId===_this.m_queryProxyId){return true}var proxyIdA=math_min$6(proxyId,_this.m_queryProxyId);var proxyIdB=math_max$5(proxyId,_this.m_queryProxyId);var userDataA=_this.m_tree.getUserData(proxyIdA);var userDataB=_this.m_tree.getUserData(proxyIdB);_this.m_callback(userDataA,userDataB);return true}}BroadPhase2.prototype.getUserData=function(proxyId){return this.m_tree.getUserData(proxyId)};BroadPhase2.prototype.testOverlap=function(proxyIdA,proxyIdB){var aabbA=this.m_tree.getFatAABB(proxyIdA);var aabbB=this.m_tree.getFatAABB(proxyIdB);return AABB.testOverlap(aabbA,aabbB)};BroadPhase2.prototype.getFatAABB=function(proxyId){return this.m_tree.getFatAABB(proxyId)};BroadPhase2.prototype.getProxyCount=function(){return this.m_moveBuffer.length};BroadPhase2.prototype.getTreeHeight=function(){return this.m_tree.getHeight()};BroadPhase2.prototype.getTreeBalance=function(){return this.m_tree.getMaxBalance()};BroadPhase2.prototype.getTreeQuality=function(){return this.m_tree.getAreaRatio()};BroadPhase2.prototype.rayCast=function(input2,rayCastCallback){this.m_tree.rayCast(input2,rayCastCallback)};BroadPhase2.prototype.shiftOrigin=function(newOrigin){this.m_tree.shiftOrigin(newOrigin)};BroadPhase2.prototype.createProxy=function(aabb,userData){var proxyId=this.m_tree.createProxy(aabb,userData);this.bufferMove(proxyId);return proxyId};BroadPhase2.prototype.destroyProxy=function(proxyId){this.unbufferMove(proxyId);this.m_tree.destroyProxy(proxyId)};BroadPhase2.prototype.moveProxy=function(proxyId,aabb,displacement2){var changed=this.m_tree.moveProxy(proxyId,aabb,displacement2);if(changed){this.bufferMove(proxyId)}};BroadPhase2.prototype.touchProxy=function(proxyId){this.bufferMove(proxyId)};BroadPhase2.prototype.bufferMove=function(proxyId){this.m_moveBuffer.push(proxyId)};BroadPhase2.prototype.unbufferMove=function(proxyId){for(var i=0;i<this.m_moveBuffer.length;++i){if(this.m_moveBuffer[i]===proxyId){this.m_moveBuffer[i]=null}}};BroadPhase2.prototype.updatePairs=function(addPairCallback){this.m_callback=addPairCallback;while(this.m_moveBuffer.length>0){this.m_queryProxyId=this.m_moveBuffer.pop();if(this.m_queryProxyId===null){continue}var fatAABB=this.m_tree.getFatAABB(this.m_queryProxyId);this.m_tree.query(fatAABB,this.queryCallback)}};return BroadPhase2}();var math_sin$2=Math.sin;var math_cos$2=Math.cos;var math_sqrt$4=Math.sqrt;function vec2(x2,y){return{x:x2,y:y}}function rotation(angle){return{s:math_sin$2(angle),c:math_cos$2(angle)}}function setVec2(out,x2,y){out.x=x2;out.y=y;return out}function copyVec2(out,w){out.x=w.x;out.y=w.y;return out}function zeroVec2(out){out.x=0;out.y=0;return out}function negVec2(out){out.x=-out.x;out.y=-out.y;return out}function plusVec2(out,w){out.x+=w.x;out.y+=w.y;return out}function addVec2(out,v3,w){out.x=v3.x+w.x;out.y=v3.y+w.y;return out}function minusVec2(out,w){out.x-=w.x;out.y-=w.y;return out}function subVec2(out,v3,w){out.x=v3.x-w.x;out.y=v3.y-w.y;return out}function mulVec2(out,m){out.x*=m;out.y*=m;return out}function scaleVec2(out,m,w){out.x=m*w.x;out.y=m*w.y;return out}function plusScaleVec2(out,m,w){out.x+=m*w.x;out.y+=m*w.y;return out}function minusScaleVec2(out,m,w){out.x-=m*w.x;out.y-=m*w.y;return out}function combine2Vec2(out,am,a2,bm,b2){out.x=am*a2.x+bm*b2.x;out.y=am*a2.y+bm*b2.y;return out}function combine3Vec2(out,am,a2,bm,b2,cm,c2){out.x=am*a2.x+bm*b2.x+cm*c2.x;out.y=am*a2.y+bm*b2.y+cm*c2.y;return out}function normalizeVec2Length(out){var length=math_sqrt$4(out.x*out.x+out.y*out.y);if(length!==0){var invLength=1/length;out.x*=invLength;out.y*=invLength}return length}function normalizeVec2(out){var length=math_sqrt$4(out.x*out.x+out.y*out.y);if(length>0){var invLength=1/length;out.x*=invLength;out.y*=invLength}return out}function crossVec2Num(out,v3,w){var x2=w*v3.y;var y=-w*v3.x;out.x=x2;out.y=y;return out}function crossNumVec2(out,w,v3){var x2=-w*v3.y;var y=w*v3.x;out.x=x2;out.y=y;return out}function crossVec2Vec2(a2,b2){return a2.x*b2.y-a2.y*b2.x}function dotVec2(a2,b2){return a2.x*b2.x+a2.y*b2.y}function lengthSqrVec2(a2){return a2.x*a2.x+a2.y*a2.y}function distVec2(a2,b2){var dx=a2.x-b2.x;var dy=a2.y-b2.y;return math_sqrt$4(dx*dx+dy*dy)}function distSqrVec2(a2,b2){var dx=a2.x-b2.x;var dy=a2.y-b2.y;return dx*dx+dy*dy}function setRotAngle(out,a2){out.c=math_cos$2(a2);out.s=math_sin$2(a2);return out}function rotVec2(out,q,v3){out.x=q.c*v3.x-q.s*v3.y;out.y=q.s*v3.x+q.c*v3.y;return out}function derotVec2(out,q,v3){var x2=q.c*v3.x+q.s*v3.y;var y=-q.s*v3.x+q.c*v3.y;out.x=x2;out.y=y;return out}function rerotVec2(out,before,after,v3){var x0=before.c*v3.x+before.s*v3.y;var y0=-before.s*v3.x+before.c*v3.y;var x2=after.c*x0-after.s*y0;var y=after.s*x0+after.c*y0;out.x=x2;out.y=y;return out}function transform(x2,y,a2){return{p:vec2(x2,y),q:rotation(a2)}}function copyTransform(out,transform2){out.p.x=transform2.p.x;out.p.y=transform2.p.y;out.q.s=transform2.q.s;out.q.c=transform2.q.c;return out}function transformVec2(out,xf2,v3){var x2=xf2.q.c*v3.x-xf2.q.s*v3.y+xf2.p.x;var y=xf2.q.s*v3.x+xf2.q.c*v3.y+xf2.p.y;out.x=x2;out.y=y;return out}function detransformVec2(out,xf2,v3){var px=v3.x-xf2.p.x;var py=v3.y-xf2.p.y;var x2=xf2.q.c*px+xf2.q.s*py;var y=-xf2.q.s*px+xf2.q.c*py;out.x=x2;out.y=y;return out}function retransformVec2(out,from,to,v3){var x0=from.q.c*v3.x-from.q.s*v3.y+from.p.x;var y0=from.q.s*v3.x+from.q.c*v3.y+from.p.y;var px=x0-to.p.x;var py=y0-to.p.y;var x2=to.q.c*px+to.q.s*py;var y=-to.q.s*px+to.q.c*py;out.x=x2;out.y=y;return out}function detransformTransform(out,a2,b2){var c2=a2.q.c*b2.q.c+a2.q.s*b2.q.s;var s2=a2.q.c*b2.q.s-a2.q.s*b2.q.c;var x2=a2.q.c*(b2.p.x-a2.p.x)+a2.q.s*(b2.p.y-a2.p.y);var y=-a2.q.s*(b2.p.x-a2.p.x)+a2.q.c*(b2.p.y-a2.p.y);out.q.c=c2;out.q.s=s2;out.p.x=x2;out.p.y=y;return out}var math_sin$1=Math.sin;var math_cos$1=Math.cos;var math_atan2$1=Math.atan2;var Rot=function(){function Rot2(angle){if(!(this instanceof Rot2)){return new Rot2(angle)}if(typeof angle==="number"){this.setAngle(angle)}else if(typeof angle==="object"){this.setRot(angle)}else{this.setIdentity()}}Rot2.neo=function(angle){var obj=Object.create(Rot2.prototype);obj.setAngle(angle);return obj};Rot2.clone=function(rot){var obj=Object.create(Rot2.prototype);obj.s=rot.s;obj.c=rot.c;return obj};Rot2.identity=function(){var obj=Object.create(Rot2.prototype);obj.s=0;obj.c=1;return obj};Rot2.isValid=function(obj){if(obj===null||typeof obj==="undefined"){return false}return Number.isFinite(obj.s)&&Number.isFinite(obj.c)};Rot2.assert=function(o){};Rot2.prototype.setIdentity=function(){this.s=0;this.c=1};Rot2.prototype.set=function(angle){if(typeof angle==="object"){this.s=angle.s;this.c=angle.c}else{this.s=math_sin$1(angle);this.c=math_cos$1(angle)}};Rot2.prototype.setRot=function(angle){this.s=angle.s;this.c=angle.c};Rot2.prototype.setAngle=function(angle){this.s=math_sin$1(angle);this.c=math_cos$1(angle)};Rot2.prototype.getAngle=function(){return math_atan2$1(this.s,this.c)};Rot2.prototype.getXAxis=function(){return Vec2.neo(this.c,this.s)};Rot2.prototype.getYAxis=function(){return Vec2.neo(-this.s,this.c)};Rot2.mul=function(rot,m){if("c"in m&&"s"in m){var qr=Rot2.identity();qr.s=rot.s*m.c+rot.c*m.s;qr.c=rot.c*m.c-rot.s*m.s;return qr}else if("x"in m&&"y"in m){return Vec2.neo(rot.c*m.x-rot.s*m.y,rot.s*m.x+rot.c*m.y)}};Rot2.mulRot=function(rot,m){var qr=Rot2.identity();qr.s=rot.s*m.c+rot.c*m.s;qr.c=rot.c*m.c-rot.s*m.s;return qr};Rot2.mulVec2=function(rot,m){return Vec2.neo(rot.c*m.x-rot.s*m.y,rot.s*m.x+rot.c*m.y)};Rot2.mulSub=function(rot,v3,w){var x2=rot.c*(v3.x-w.x)-rot.s*(v3.y-w.y);var y=rot.s*(v3.x-w.x)+rot.c*(v3.y-w.y);return Vec2.neo(x2,y)};Rot2.mulT=function(rot,m){if("c"in m&&"s"in m){var qr=Rot2.identity();qr.s=rot.c*m.s-rot.s*m.c;qr.c=rot.c*m.c+rot.s*m.s;return qr}else if("x"in m&&"y"in m){return Vec2.neo(rot.c*m.x+rot.s*m.y,-rot.s*m.x+rot.c*m.y)}};Rot2.mulTRot=function(rot,m){var qr=Rot2.identity();qr.s=rot.c*m.s-rot.s*m.c;qr.c=rot.c*m.c+rot.s*m.s;return qr};Rot2.mulTVec2=function(rot,m){return Vec2.neo(rot.c*m.x+rot.s*m.y,-rot.s*m.x+rot.c*m.y)};return Rot2}();var math_atan2=Math.atan2;var math_PI$5=Math.PI;var temp$7=vec2(0,0);var Sweep=function(){function Sweep2(){this.localCenter=Vec2.zero();this.c=Vec2.zero();this.a=0;this.alpha0=0;this.c0=Vec2.zero();this.a0=0}Sweep2.prototype.recycle=function(){zeroVec2(this.localCenter);zeroVec2(this.c);this.a=0;this.alpha0=0;zeroVec2(this.c0);this.a0=0};Sweep2.prototype.setTransform=function(xf2){transformVec2(temp$7,xf2,this.localCenter);copyVec2(this.c,temp$7);copyVec2(this.c0,temp$7);this.a=this.a0=math_atan2(xf2.q.s,xf2.q.c)};Sweep2.prototype.setLocalCenter=function(localCenter2,xf2){copyVec2(this.localCenter,localCenter2);transformVec2(temp$7,xf2,this.localCenter);copyVec2(this.c,temp$7);copyVec2(this.c0,temp$7)};Sweep2.prototype.getTransform=function(xf2,beta){if(beta===void 0){beta=0}setRotAngle(xf2.q,(1-beta)*this.a0+beta*this.a);combine2Vec2(xf2.p,1-beta,this.c0,beta,this.c);minusVec2(xf2.p,rotVec2(temp$7,xf2.q,this.localCenter))};Sweep2.prototype.advance=function(alpha){var beta=(alpha-this.alpha0)/(1-this.alpha0);combine2Vec2(this.c0,beta,this.c,1-beta,this.c0);this.a0=beta*this.a+(1-beta)*this.a0;this.alpha0=alpha};Sweep2.prototype.forward=function(){this.a0=this.a;copyVec2(this.c0,this.c)};Sweep2.prototype.normalize=function(){var a0=mod(this.a0,-math_PI$5,+math_PI$5);this.a-=this.a0-a0;this.a0=a0};Sweep2.prototype.set=function(that){copyVec2(this.localCenter,that.localCenter);copyVec2(this.c,that.c);this.a=that.a;this.alpha0=that.alpha0;copyVec2(this.c0,that.c0);this.a0=that.a0};return Sweep2}();var Transform=function(){function Transform2(position,rotation2){if(!(this instanceof Transform2)){return new Transform2(position,rotation2)}this.p=Vec2.zero();this.q=Rot.identity();if(typeof position!=="undefined"){this.p.setVec2(position)}if(typeof rotation2!=="undefined"){this.q.setAngle(rotation2)}}Transform2.clone=function(xf2){var obj=Object.create(Transform2.prototype);obj.p=Vec2.clone(xf2.p);obj.q=Rot.clone(xf2.q);return obj};Transform2.neo=function(position,rotation2){var obj=Object.create(Transform2.prototype);obj.p=Vec2.clone(position);obj.q=Rot.clone(rotation2);return obj};Transform2.identity=function(){var obj=Object.create(Transform2.prototype);obj.p=Vec2.zero();obj.q=Rot.identity();return obj};Transform2.prototype.setIdentity=function(){this.p.setZero();this.q.setIdentity()};Transform2.prototype.set=function(a2,b2){if(typeof b2==="undefined"){this.p.set(a2.p);this.q.set(a2.q)}else{this.p.set(a2);this.q.set(b2)}};Transform2.prototype.setNum=function(position,rotation2){this.p.setVec2(position);this.q.setAngle(rotation2)};Transform2.prototype.setTransform=function(xf2){this.p.setVec2(xf2.p);this.q.setRot(xf2.q)};Transform2.isValid=function(obj){if(obj===null||typeof obj==="undefined"){return false}return Vec2.isValid(obj.p)&&Rot.isValid(obj.q)};Transform2.assert=function(o){};Transform2.mul=function(a2,b2){if(Array.isArray(b2)){var arr=[];for(var i=0;i<b2.length;i++){arr[i]=Transform2.mul(a2,b2[i])}return arr}else if("x"in b2&&"y"in b2){return Transform2.mulVec2(a2,b2)}else if("p"in b2&&"q"in b2){return Transform2.mulXf(a2,b2)}};Transform2.mulAll=function(a2,b2){var arr=[];for(var i=0;i<b2.length;i++){arr[i]=Transform2.mul(a2,b2[i])}return arr};Transform2.mulFn=function(a2){return function(b2){return Transform2.mul(a2,b2)}};Transform2.mulVec2=function(a2,b2){var x2=a2.q.c*b2.x-a2.q.s*b2.y+a2.p.x;var y=a2.q.s*b2.x+a2.q.c*b2.y+a2.p.y;return Vec2.neo(x2,y)};Transform2.mulXf=function(a2,b2){var xf2=Transform2.identity();xf2.q=Rot.mulRot(a2.q,b2.q);xf2.p=Vec2.add(Rot.mulVec2(a2.q,b2.p),a2.p);return xf2};Transform2.mulT=function(a2,b2){if("x"in b2&&"y"in b2){return Transform2.mulTVec2(a2,b2)}else if("p"in b2&&"q"in b2){return Transform2.mulTXf(a2,b2)}};Transform2.mulTVec2=function(a2,b2){var px=b2.x-a2.p.x;var py=b2.y-a2.p.y;var x2=a2.q.c*px+a2.q.s*py;var y=-a2.q.s*px+a2.q.c*py;return Vec2.neo(x2,y)};Transform2.mulTXf=function(a2,b2){var xf2=Transform2.identity();xf2.q.setRot(Rot.mulTRot(a2.q,b2.q));xf2.p.setVec2(Rot.mulTVec2(a2.q,Vec2.sub(b2.p,a2.p)));return xf2};return Transform2}();var Velocity=function(){function Velocity2(){this.v=Vec2.zero();this.w=0}return Velocity2}();var math_sin=Math.sin;var math_cos=Math.cos;var Position=function(){function Position2(){this.c=Vec2.zero();this.a=0}Position2.prototype.getTransform=function(xf2,p){xf2.q.c=math_cos(this.a);xf2.q.s=math_sin(this.a);xf2.p.x=this.c.x-(xf2.q.c*p.x-xf2.q.s*p.y);xf2.p.y=this.c.y-(xf2.q.s*p.x+xf2.q.c*p.y);return xf2};return Position2}();function getTransform(xf2,p,c2,a2){xf2.q.c=math_cos(a2);xf2.q.s=math_sin(a2);xf2.p.x=c2.x-(xf2.q.c*p.x-xf2.q.s*p.y);xf2.p.y=c2.y-(xf2.q.s*p.x+xf2.q.c*p.y);return xf2}var Shape=function(){function Shape2(){this.style={};this.appData={}}Shape2.isValid=function(obj){if(obj===null||typeof obj==="undefined"){return false}return typeof obj.m_type==="string"&&typeof obj.m_radius==="number"};return Shape2}();var synchronize_aabb1=new AABB;var synchronize_aabb2=new AABB;var displacement=vec2(0,0);var FixtureDefDefault={userData:null,friction:.2,restitution:0,density:0,isSensor:false,filterGroupIndex:0,filterCategoryBits:1,filterMaskBits:65535};var FixtureProxy=function(){function FixtureProxy2(fixture,childIndex){this.aabb=new AABB;this.fixture=fixture;this.childIndex=childIndex}return FixtureProxy2}();var Fixture=function(){function Fixture2(body,shape,def){this.style={};this.appData={};if(shape.shape){def=shape;shape=shape.shape}else if(typeof def==="number"){def={density:def}}def=options(def,FixtureDefDefault);this.m_body=body;this.m_friction=def.friction;this.m_restitution=def.restitution;this.m_density=def.density;this.m_isSensor=def.isSensor;this.m_filterGroupIndex=def.filterGroupIndex;this.m_filterCategoryBits=def.filterCategoryBits;this.m_filterMaskBits=def.filterMaskBits;this.m_shape=shape;this.m_next=null;this.m_proxies=[];this.m_proxyCount=0;var childCount=this.m_shape.getChildCount();for(var i=0;i<childCount;++i){this.m_proxies[i]=new FixtureProxy(this,i)}this.m_userData=def.userData;if(typeof def.style==="object"&&def.style!==null){this.style=def.style}}Fixture2.prototype._reset=function(){var body=this.getBody();var broadPhase=body.m_world.m_broadPhase;this.destroyProxies(broadPhase);if(this.m_shape._reset){this.m_shape._reset()}var childCount=this.m_shape.getChildCount();for(var i=0;i<childCount;++i){this.m_proxies[i]=new FixtureProxy(this,i)}this.createProxies(broadPhase,body.m_xf);body.resetMassData()};Fixture2.prototype._serialize=function(){return{friction:this.m_friction,restitution:this.m_restitution,density:this.m_density,isSensor:this.m_isSensor,filterGroupIndex:this.m_filterGroupIndex,filterCategoryBits:this.m_filterCategoryBits,filterMaskBits:this.m_filterMaskBits,shape:this.m_shape}};Fixture2._deserialize=function(data,body,restore){var shape=restore(Shape,data.shape);var fixture=shape&&new Fixture2(body,shape,data);return fixture};Fixture2.prototype.getType=function(){return this.m_shape.m_type};Fixture2.prototype.getShape=function(){return this.m_shape};Fixture2.prototype.isSensor=function(){return this.m_isSensor};Fixture2.prototype.setSensor=function(sensor){if(sensor!=this.m_isSensor){this.m_body.setAwake(true);this.m_isSensor=sensor}};Fixture2.prototype.getUserData=function(){return this.m_userData};Fixture2.prototype.setUserData=function(data){this.m_userData=data};Fixture2.prototype.getBody=function(){return this.m_body};Fixture2.prototype.getNext=function(){return this.m_next};Fixture2.prototype.getDensity=function(){return this.m_density};Fixture2.prototype.setDensity=function(density){this.m_density=density};Fixture2.prototype.getFriction=function(){return this.m_friction};Fixture2.prototype.setFriction=function(friction){this.m_friction=friction};Fixture2.prototype.getRestitution=function(){return this.m_restitution};Fixture2.prototype.setRestitution=function(restitution){this.m_restitution=restitution};Fixture2.prototype.testPoint=function(p){return this.m_shape.testPoint(this.m_body.getTransform(),p)};Fixture2.prototype.rayCast=function(output2,input2,childIndex){return this.m_shape.rayCast(output2,input2,this.m_body.getTransform(),childIndex)};Fixture2.prototype.getMassData=function(massData){this.m_shape.computeMass(massData,this.m_density)};Fixture2.prototype.getAABB=function(childIndex){return this.m_proxies[childIndex].aabb};Fixture2.prototype.createProxies=function(broadPhase,xf2){this.m_proxyCount=this.m_shape.getChildCount();for(var i=0;i<this.m_proxyCount;++i){var proxy=this.m_proxies[i];this.m_shape.computeAABB(proxy.aabb,xf2,i);proxy.proxyId=broadPhase.createProxy(proxy.aabb,proxy)}};Fixture2.prototype.destroyProxies=function(broadPhase){for(var i=0;i<this.m_proxyCount;++i){var proxy=this.m_proxies[i];broadPhase.destroyProxy(proxy.proxyId);proxy.proxyId=null}this.m_proxyCount=0};Fixture2.prototype.synchronize=function(broadPhase,xf1,xf2){for(var i=0;i<this.m_proxyCount;++i){var proxy=this.m_proxies[i];this.m_shape.computeAABB(synchronize_aabb1,xf1,proxy.childIndex);this.m_shape.computeAABB(synchronize_aabb2,xf2,proxy.childIndex);proxy.aabb.combine(synchronize_aabb1,synchronize_aabb2);subVec2(displacement,xf2.p,xf1.p);broadPhase.moveProxy(proxy.proxyId,proxy.aabb,displacement)}};Fixture2.prototype.setFilterData=function(fil