add p2.js v0.6.1 dependency

add p2.js v0.6.1 dependency

--- src/utils/Vendors.coffee
+++ src/utils/Vendors.coffee
@@ -22,3 +22,35 @@
 if window.cancelAnimationFrame is undefined
     window.cancelAnimationFrame = (id) ->
         clearTimeout id
+
+
+# P2 Physics (adding a non-negligeable 130ko to overall size...)
+`
+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015 p2.js authors
+ *
+ * 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.
+ */
+!function(a){if("object"==typeof exports)module.exports=a();else if("function"==typeof define&&false)define(a);else{var b;"undefined"!=typeof window?b=window:"undefined"!=typeof global?b=global:"undefined"!=typeof self&&(b=self),b.p2=a()}}(function(){return function a(b,c,d){function e(g,h){if(!c[g]){if(!b[g]){var i="function"==typeof require&&require;if(!h&&i)return i(g,!0);if(f)return f(g,!0);throw new Error("Cannot find module '"+g+"'")}var j=c[g]={exports:{}};b[g][0].call(j.exports,function(a){var c=b[g][1][a];return e(c?c:a)},j,j.exports,a,b,c,d)}return c[g].exports}for(var f="function"==typeof require&&require,g=0;g<d.length;g++)e(d[g]);return e}({1:[function(a,b){function c(){}var d=a("./Scalar");b.exports=c,c.lineInt=function(a,b,c){c=c||0;var e,f,g,h,i,j,k,l=[0,0];return e=a[1][1]-a[0][1],f=a[0][0]-a[1][0],g=e*a[0][0]+f*a[0][1],h=b[1][1]-b[0][1],i=b[0][0]-b[1][0],j=h*b[0][0]+i*b[0][1],k=e*i-h*f,d.eq(k,0,c)||(l[0]=(i*g-f*j)/k,l[1]=(e*j-h*g)/k),l},c.segmentsIntersect=function(a,b,c,d){var e=b[0]-a[0],f=b[1]-a[1],g=d[0]-c[0],h=d[1]-c[1];if(g*f-h*e==0)return!1;var i=(e*(c[1]-a[1])+f*(a[0]-c[0]))/(g*f-h*e),j=(g*(a[1]-c[1])+h*(c[0]-a[0]))/(h*e-g*f);return i>=0&&1>=i&&j>=0&&1>=j}},{"./Scalar":4}],2:[function(a,b){function c(){}b.exports=c,c.area=function(a,b,c){return(b[0]-a[0])*(c[1]-a[1])-(c[0]-a[0])*(b[1]-a[1])},c.left=function(a,b,d){return c.area(a,b,d)>0},c.leftOn=function(a,b,d){return c.area(a,b,d)>=0},c.right=function(a,b,d){return c.area(a,b,d)<0},c.rightOn=function(a,b,d){return c.area(a,b,d)<=0};var d=[],e=[];c.collinear=function(a,b,f,g){if(g){var h=d,i=e;h[0]=b[0]-a[0],h[1]=b[1]-a[1],i[0]=f[0]-b[0],i[1]=f[1]-b[1];var j=h[0]*i[0]+h[1]*i[1],k=Math.sqrt(h[0]*h[0]+h[1]*h[1]),l=Math.sqrt(i[0]*i[0]+i[1]*i[1]),m=Math.acos(j/(k*l));return g>m}return 0==c.area(a,b,f)},c.sqdist=function(a,b){var c=b[0]-a[0],d=b[1]-a[1];return c*c+d*d}},{}],3:[function(a,b){function c(){this.vertices=[]}function d(a,b,c,d,e){e=e||0;var f=b[1]-a[1],h=a[0]-b[0],i=f*a[0]+h*a[1],j=d[1]-c[1],k=c[0]-d[0],l=j*c[0]+k*c[1],m=f*k-j*h;return g.eq(m,0,e)?[0,0]:[(k*i-h*l)/m,(f*l-j*i)/m]}var e=a("./Line"),f=a("./Point"),g=a("./Scalar");b.exports=c,c.prototype.at=function(a){var b=this.vertices,c=b.length;return b[0>a?a%c+c:a%c]},c.prototype.first=function(){return this.vertices[0]},c.prototype.last=function(){return this.vertices[this.vertices.length-1]},c.prototype.clear=function(){this.vertices.length=0},c.prototype.append=function(a,b,c){if("undefined"==typeof b)throw new Error("From is not given!");if("undefined"==typeof c)throw new Error("To is not given!");if(b>c-1)throw new Error("lol1");if(c>a.vertices.length)throw new Error("lol2");if(0>b)throw new Error("lol3");for(var d=b;c>d;d++)this.vertices.push(a.vertices[d])},c.prototype.makeCCW=function(){for(var a=0,b=this.vertices,c=1;c<this.vertices.length;++c)(b[c][1]<b[a][1]||b[c][1]==b[a][1]&&b[c][0]>b[a][0])&&(a=c);f.left(this.at(a-1),this.at(a),this.at(a+1))||this.reverse()},c.prototype.reverse=function(){for(var a=[],b=0,c=this.vertices.length;b!==c;b++)a.push(this.vertices.pop());this.vertices=a},c.prototype.isReflex=function(a){return f.right(this.at(a-1),this.at(a),this.at(a+1))};var h=[],i=[];c.prototype.canSee=function(a,b){var c,d,g=h,j=i;if(f.leftOn(this.at(a+1),this.at(a),this.at(b))&&f.rightOn(this.at(a-1),this.at(a),this.at(b)))return!1;d=f.sqdist(this.at(a),this.at(b));for(var k=0;k!==this.vertices.length;++k)if((k+1)%this.vertices.length!==a&&k!==a&&f.leftOn(this.at(a),this.at(b),this.at(k+1))&&f.rightOn(this.at(a),this.at(b),this.at(k))&&(g[0]=this.at(a),g[1]=this.at(b),j[0]=this.at(k),j[1]=this.at(k+1),c=e.lineInt(g,j),f.sqdist(this.at(a),c)<d))return!1;return!0},c.prototype.copy=function(a,b,d){var e=d||new c;if(e.clear(),b>a)for(var f=a;b>=f;f++)e.vertices.push(this.vertices[f]);else{for(var f=0;b>=f;f++)e.vertices.push(this.vertices[f]);for(var f=a;f<this.vertices.length;f++)e.vertices.push(this.vertices[f])}return e},c.prototype.getCutEdges=function(){for(var a=[],b=[],d=[],e=new c,f=Number.MAX_VALUE,g=0;g<this.vertices.length;++g)if(this.isReflex(g))for(var h=0;h<this.vertices.length;++h)if(this.canSee(g,h)){b=this.copy(g,h,e).getCutEdges(),d=this.copy(h,g,e).getCutEdges();for(var i=0;i<d.length;i++)b.push(d[i]);b.length<f&&(a=b,f=b.length,a.push([this.at(g),this.at(h)]))}return a},c.prototype.decomp=function(){var a=this.getCutEdges();return a.length>0?this.slice(a):[this]},c.prototype.slice=function(a){if(0==a.length)return[this];if(a instanceof Array&&a.length&&a[0]instanceof Array&&2==a[0].length&&a[0][0]instanceof Array){for(var b=[this],c=0;c<a.length;c++)for(var d=a[c],e=0;e<b.length;e++){var f=b[e],g=f.slice(d);if(g){b.splice(e,1),b.push(g[0],g[1]);break}}return b}var d=a,c=this.vertices.indexOf(d[0]),e=this.vertices.indexOf(d[1]);return-1!=c&&-1!=e?[this.copy(c,e),this.copy(e,c)]:!1},c.prototype.isSimple=function(){for(var a=this.vertices,b=0;b<a.length-1;b++)for(var c=0;b-1>c;c++)if(e.segmentsIntersect(a[b],a[b+1],a[c],a[c+1]))return!1;for(var b=1;b<a.length-2;b++)if(e.segmentsIntersect(a[0],a[a.length-1],a[b],a[b+1]))return!1;return!0},c.prototype.quickDecomp=function(a,b,e,g,h,i){h=h||100,i=i||0,g=g||25,a="undefined"!=typeof a?a:[],b=b||[],e=e||[];var j=[0,0],k=[0,0],l=[0,0],m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=new c,u=new c,v=this,w=this.vertices;if(w.length<3)return a;if(i++,i>h)return console.warn("quickDecomp: max level ("+h+") reached."),a;for(var x=0;x<this.vertices.length;++x)if(v.isReflex(x)){b.push(v.vertices[x]),m=n=Number.MAX_VALUE;for(var y=0;y<this.vertices.length;++y)f.left(v.at(x-1),v.at(x),v.at(y))&&f.rightOn(v.at(x-1),v.at(x),v.at(y-1))&&(l=d(v.at(x-1),v.at(x),v.at(y),v.at(y-1)),f.right(v.at(x+1),v.at(x),l)&&(o=f.sqdist(v.vertices[x],l),n>o&&(n=o,k=l,r=y))),f.left(v.at(x+1),v.at(x),v.at(y+1))&&f.rightOn(v.at(x+1),v.at(x),v.at(y))&&(l=d(v.at(x+1),v.at(x),v.at(y),v.at(y+1)),f.left(v.at(x-1),v.at(x),l)&&(o=f.sqdist(v.vertices[x],l),m>o&&(m=o,j=l,q=y)));if(r==(q+1)%this.vertices.length)l[0]=(k[0]+j[0])/2,l[1]=(k[1]+j[1])/2,e.push(l),q>x?(t.append(v,x,q+1),t.vertices.push(l),u.vertices.push(l),0!=r&&u.append(v,r,v.vertices.length),u.append(v,0,x+1)):(0!=x&&t.append(v,x,v.vertices.length),t.append(v,0,q+1),t.vertices.push(l),u.vertices.push(l),u.append(v,r,x+1));else{if(r>q&&(q+=this.vertices.length),p=Number.MAX_VALUE,r>q)return a;for(var y=r;q>=y;++y)f.leftOn(v.at(x-1),v.at(x),v.at(y))&&f.rightOn(v.at(x+1),v.at(x),v.at(y))&&(o=f.sqdist(v.at(x),v.at(y)),p>o&&(p=o,s=y%this.vertices.length));s>x?(t.append(v,x,s+1),0!=s&&u.append(v,s,w.length),u.append(v,0,x+1)):(0!=x&&t.append(v,x,w.length),t.append(v,0,s+1),u.append(v,s,x+1))}return t.vertices.length<u.vertices.length?(t.quickDecomp(a,b,e,g,h,i),u.quickDecomp(a,b,e,g,h,i)):(u.quickDecomp(a,b,e,g,h,i),t.quickDecomp(a,b,e,g,h,i)),a}return a.push(this),a},c.prototype.removeCollinearPoints=function(a){for(var b=0,c=this.vertices.length-1;this.vertices.length>3&&c>=0;--c)f.collinear(this.at(c-1),this.at(c),this.at(c+1),a)&&(this.vertices.splice(c%this.vertices.length,1),c--,b++);return b}},{"./Line":1,"./Point":2,"./Scalar":4}],4:[function(a,b){function c(){}b.exports=c,c.eq=function(a,b,c){return c=c||0,Math.abs(a-b)<c}},{}],5:[function(a,b){b.exports={Polygon:a("./Polygon"),Point:a("./Point")}},{"./Point":2,"./Polygon":3}],6:[function(a,b){b.exports={name:"p2",version:"0.6.1",description:"A JavaScript 2D physics engine.",author:"Stefan Hedman <schteppe@gmail.com> (http://steffe.se)",keywords:["p2.js","p2","physics","engine","2d"],main:"./src/p2.js",engines:{node:"*"},repository:{type:"git",url:"https://github.com/schteppe/p2.js.git"},bugs:{url:"https://github.com/schteppe/p2.js/issues"},licenses:[{type:"MIT"}],devDependencies:{grunt:"~0.4.0","grunt-contrib-jshint":"~0.9.2","grunt-contrib-nodeunit":"~0.1.2","grunt-contrib-uglify":"~0.4.0","grunt-contrib-watch":"~0.5.0","grunt-browserify":"~2.0.1","grunt-contrib-concat":"^0.4.0"},dependencies:{"poly-decomp":"0.1.0"}}},{}],7:[function(a,b){function c(a){this.lowerBound=d.create(),a&&a.lowerBound&&d.copy(this.lowerBound,a.lowerBound),this.upperBound=d.create(),a&&a.upperBound&&d.copy(this.upperBound,a.upperBound)}{var d=a("../math/vec2");a("../utils/Utils")}b.exports=c;var e=d.create();c.prototype.setFromPoints=function(a,b,c,f){var g=this.lowerBound,h=this.upperBound;"number"!=typeof c&&(c=0),0!==c?d.rotate(g,a[0],c):d.copy(g,a[0]),d.copy(h,g);for(var i=Math.cos(c),j=Math.sin(c),k=1;k<a.length;k++){var l=a[k];if(0!==c){var m=l[0],n=l[1];e[0]=i*m-j*n,e[1]=j*m+i*n,l=e}for(var o=0;2>o;o++)l[o]>h[o]&&(h[o]=l[o]),l[o]<g[o]&&(g[o]=l[o])}b&&(d.add(this.lowerBound,this.lowerBound,b),d.add(this.upperBound,this.upperBound,b)),f&&(this.lowerBound[0]-=f,this.lowerBound[1]-=f,this.upperBound[0]+=f,this.upperBound[1]+=f)},c.prototype.copy=function(a){d.copy(this.lowerBound,a.lowerBound),d.copy(this.upperBound,a.upperBound)},c.prototype.extend=function(a){for(var b=2;b--;){var c=a.lowerBound[b];this.lowerBound[b]>c&&(this.lowerBound[b]=c);var d=a.upperBound[b];this.upperBound[b]<d&&(this.upperBound[b]=d)}},c.prototype.overlaps=function(a){var b=this.lowerBound,c=this.upperBound,d=a.lowerBound,e=a.upperBound;return(d[0]<=c[0]&&c[0]<=e[0]||b[0]<=e[0]&&e[0]<=c[0])&&(d[1]<=c[1]&&c[1]<=e[1]||b[1]<=e[1]&&e[1]<=c[1])}},{"../math/vec2":31,"../utils/Utils":50}],8:[function(a,b){function c(a){this.type=a,this.result=[],this.world=null,this.boundingVolumeType=c.AABB}var d=a("../math/vec2"),e=a("../objects/Body");b.exports=c,c.AABB=1,c.BOUNDING_CIRCLE=2,c.prototype.setWorld=function(a){this.world=a},c.prototype.getCollisionPairs=function(){throw new Error("getCollisionPairs must be implemented in a subclass!")};var f=d.create();c.boundingRadiusCheck=function(a,b){d.sub(f,a.position,b.position);var c=d.squaredLength(f),e=a.boundingRadius+b.boundingRadius;return e*e>=c},c.aabbCheck=function(a,b){return a.getAABB().overlaps(b.getAABB())},c.prototype.boundingVolumeCheck=function(a,b){var d;switch(this.boundingVolumeType){case c.BOUNDING_CIRCLE:d=c.boundingRadiusCheck(a,b);break;case c.AABB:d=c.aabbCheck(a,b);break;default:throw new Error("Bounding volume type not recognized: "+this.boundingVolumeType)}return d},c.canCollide=function(a,b){return a.type===e.STATIC&&b.type===e.STATIC?!1:a.type===e.KINEMATIC&&b.type===e.STATIC||a.type===e.STATIC&&b.type===e.KINEMATIC?!1:a.type===e.KINEMATIC&&b.type===e.KINEMATIC?!1:a.sleepState===e.SLEEPING&&b.sleepState===e.SLEEPING?!1:a.sleepState===e.SLEEPING&&b.type===e.STATIC||b.sleepState===e.SLEEPING&&a.type===e.STATIC?!1:!0},c.NAIVE=1,c.SAP=2},{"../math/vec2":31,"../objects/Body":32}],9:[function(a,b){function c(a){d.apply(this),a=e.defaults(a,{xmin:-100,xmax:100,ymin:-100,ymax:100,nx:10,ny:10}),this.xmin=a.xmin,this.ymin=a.ymin,this.xmax=a.xmax,this.ymax=a.ymax,this.nx=a.nx,this.ny=a.ny,this.binsizeX=(this.xmax-this.xmin)/this.nx,this.binsizeY=(this.ymax-this.ymin)/this.ny}var d=(a("../shapes/Circle"),a("../shapes/Plane"),a("../shapes/Particle"),a("../collision/Broadphase")),e=(a("../math/vec2"),a("../utils/Utils"));b.exports=c,c.prototype=new d,c.prototype.constructor=c,c.prototype.getCollisionPairs=function(a){for(var b=[],c=a.bodies,e=c.length,f=(this.binsizeX,this.binsizeY,this.nx),g=this.ny,h=this.xmin,i=this.ymin,j=this.xmax,k=this.ymax,l=[],m=f*g,n=0;m>n;n++)l.push([]);for(var o=f/(j-h),p=g/(k-i),n=0;n!==e;n++)for(var q=c[n],r=q.aabb,s=Math.max(r.lowerBound[0],h),t=Math.max(r.lowerBound[1],i),u=Math.min(r.upperBound[0],j),v=Math.min(r.upperBound[1],k),w=Math.floor(o*(s-h)),x=Math.floor(p*(t-i)),y=Math.floor(o*(u-h)),z=Math.floor(p*(v-i)),A=w;y>=A;A++)for(var B=x;z>=B;B++){var C=A,D=B,E=C*(g-1)+D;E>=0&&m>E&&l[E].push(q)}for(var n=0;n!==m;n++)for(var F=l[n],A=0,G=F.length;A!==G;A++)for(var q=F[A],B=0;B!==A;B++){var H=F[B];d.canCollide(q,H)&&this.boundingVolumeCheck(q,H)&&b.push(q,H)}return b}},{"../collision/Broadphase":8,"../math/vec2":31,"../shapes/Circle":38,"../shapes/Particle":42,"../shapes/Plane":43,"../utils/Utils":50}],10:[function(a,b){function c(){d.call(this,d.NAIVE)}{var d=(a("../shapes/Circle"),a("../shapes/Plane"),a("../shapes/Shape"),a("../shapes/Particle"),a("../collision/Broadphase"));a("../math/vec2")}b.exports=c,c.prototype=new d,c.prototype.constructor=c,c.prototype.getCollisionPairs=function(a){var b=a.bodies,c=this.result;c.length=0;for(var e=0,f=b.length;e!==f;e++)for(var g=b[e],h=0;e>h;h++){var i=b[h];d.canCollide(g,i)&&this.boundingVolumeCheck(g,i)&&c.push(g,i)}return c},c.prototype.aabbQuery=function(a,b,c){c=c||[];for(var d=a.bodies,e=0;e<d.length;e++){var f=d[e];f.aabbNeedsUpdate&&f.updateAABB(),f.aabb.overlaps(b)&&c.push(f)}return c}},{"../collision/Broadphase":8,"../math/vec2":31,"../shapes/Circle":38,"../shapes/Particle":42,"../shapes/Plane":43,"../shapes/Shape":45}],11:[function(a,b){function c(){this.contactEquations=[],this.frictionEquations=[],this.enableFriction=!0,this.enabledEquations=!0,this.slipForce=10,this.frictionCoefficient=.3,this.surfaceVelocity=0,this.reuseObjects=!0,this.reusableContactEquations=[],this.reusableFrictionEquations=[],this.restitution=0,this.stiffness=l.DEFAULT_STIFFNESS,this.relaxation=l.DEFAULT_RELAXATION,this.frictionStiffness=l.DEFAULT_STIFFNESS,this.frictionRelaxation=l.DEFAULT_RELAXATION,this.enableFrictionReduction=!0,this.collidingBodiesLastStep=new k,this.contactSkinSize=.01}function d(a,b){f.set(a.vertices[0],.5*-b.length,-b.radius),f.set(a.vertices[1],.5*b.length,-b.radius),f.set(a.vertices[2],.5*b.length,b.radius),f.set(a.vertices[3],.5*-b.length,b.radius)}function e(a,b,c,d){for(var e=T,i=U,j=V,k=W,l=a,m=b.vertices,n=null,o=0;o!==m.length+1;o++){var p=m[o%m.length],q=m[(o+1)%m.length];f.rotate(e,p,d),f.rotate(i,q,d),h(e,e,c),h(i,i,c),g(j,e,l),g(k,i,l);var r=f.crossLength(j,k);if(null===n&&(n=r),0>=r*n)return!1;n=r}return!0}var f=a("../math/vec2"),g=f.sub,h=f.add,i=f.dot,j=a("../utils/Utils"),k=a("../utils/TupleDictionary"),l=a("../equations/Equation"),m=a("../equations/ContactEquation"),n=a("../equations/FrictionEquation"),o=a("../shapes/Circle"),p=a("../shapes/Convex"),q=a("../shapes/Shape"),r=(a("../objects/Body"),a("../shapes/Rectangle"));b.exports=c;var s=f.fromValues(0,1),t=f.fromValues(0,0),u=f.fromValues(0,0),v=f.fromValues(0,0),w=f.fromValues(0,0),x=f.fromValues(0,0),y=f.fromValues(0,0),z=f.fromValues(0,0),A=f.fromValues(0,0),B=f.fromValues(0,0),C=f.fromValues(0,0),D=f.fromValues(0,0),E=f.fromValues(0,0),F=f.fromValues(0,0),G=f.fromValues(0,0),H=f.fromValues(0,0),I=f.fromValues(0,0),J=f.fromValues(0,0),K=f.fromValues(0,0),L=[],M=f.create(),N=f.create();c.prototype.bodiesOverlap=function(a,b){for(var c=M,d=N,e=0,f=a.shapes.length;e!==f;e++){{var g=a.shapes[e],h=a.shapeOffsets[e];a.shapeAngles[e]}a.toWorldFrame(c,h);for(var i=0,j=b.shapes.length;i!==j;i++){{var k=b.shapes[i],l=b.shapeOffsets[i];b.shapeAngles[i]}if(b.toWorldFrame(d,l),this[g.type|k.type](a,g,c,g.angle+a.angle,b,k,d,k.angle+b.angle,!0))return!0}}return!1},c.prototype.collidedLastStep=function(a,b){var c=0|a.id,d=0|b.id;return!!this.collidingBodiesLastStep.get(c,d)},c.prototype.reset=function(){this.collidingBodiesLastStep.reset();for(var a=this.contactEquations,b=a.length;b--;){var c=a[b],d=c.bodyA.id,e=c.bodyB.id;this.collidingBodiesLastStep.set(d,e,!0)}if(this.reuseObjects){var f=this.contactEquations,g=this.frictionEquations,h=this.reusableFrictionEquations,i=this.reusableContactEquations;j.appendArray(i,f),j.appendArray(h,g)}this.contactEquations.length=this.frictionEquations.length=0},c.prototype.createContactEquation=function(a,b,c,d){var e=this.reusableContactEquations.length?this.reusableContactEquations.pop():new m(a,b);return e.bodyA=a,e.bodyB=b,e.shapeA=c,e.shapeB=d,e.restitution=this.restitution,e.firstImpact=!this.collidedLastStep(a,b),e.stiffness=this.stiffness,e.relaxation=this.relaxation,e.needsUpdate=!0,e.enabled=this.enabledEquations,e.offset=this.contactSkinSize,e},c.prototype.createFrictionEquation=function(a,b,c,d){var e=this.reusableFrictionEquations.length?this.reusableFrictionEquations.pop():new n(a,b);return e.bodyA=a,e.bodyB=b,e.shapeA=c,e.shapeB=d,e.setSlipForce(this.slipForce),e.frictionCoefficient=this.frictionCoefficient,e.relativeVelocity=this.surfaceVelocity,e.enabled=this.enabledEquations,e.needsUpdate=!0,e.stiffness=this.frictionStiffness,e.relaxation=this.frictionRelaxation,e.contactEquations.length=0,e},c.prototype.createFrictionFromContact=function(a){var b=this.createFrictionEquation(a.bodyA,a.bodyB,a.shapeA,a.shapeB);return f.copy(b.contactPointA,a.contactPointA),f.copy(b.contactPointB,a.contactPointB),f.rotate90cw(b.t,a.normalA),b.contactEquations.push(a),b},c.prototype.createFrictionFromAverage=function(a){{var b=this.contactEquations[this.contactEquations.length-1],c=this.createFrictionEquation(b.bodyA,b.bodyB,b.shapeA,b.shapeB),d=b.bodyA;b.bodyB}f.set(c.contactPointA,0,0),f.set(c.contactPointB,0,0),f.set(c.t,0,0);for(var e=0;e!==a;e++)b=this.contactEquations[this.contactEquations.length-1-e],b.bodyA===d?(f.add(c.t,c.t,b.normalA),f.add(c.contactPointA,c.contactPointA,b.contactPointA),f.add(c.contactPointB,c.contactPointB,b.contactPointB)):(f.sub(c.t,c.t,b.normalA),f.add(c.contactPointA,c.contactPointA,b.contactPointB),f.add(c.contactPointB,c.contactPointB,b.contactPointA)),c.contactEquations.push(b);var g=1/a;return f.scale(c.contactPointA,c.contactPointA,g),f.scale(c.contactPointB,c.contactPointB,g),f.normalize(c.t,c.t),f.rotate90cw(c.t,c.t),c},c.prototype[q.LINE|q.CONVEX]=c.prototype.convexLine=function(a,b,c,d,e,f,g,h,i){return i?!1:0},c.prototype[q.LINE|q.RECTANGLE]=c.prototype.lineRectangle=function(a,b,c,d,e,f,g,h,i){return i?!1:0};var O=new r(1,1),P=f.create();c.prototype[q.CAPSULE|q.CONVEX]=c.prototype[q.CAPSULE|q.RECTANGLE]=c.prototype.convexCapsule=function(a,b,c,e,g,h,i,j,k){var l=P;f.set(l,h.length/2,0),f.rotate(l,l,j),f.add(l,l,i);var m=this.circleConvex(g,h,l,j,a,b,c,e,k,h.radius);f.set(l,-h.length/2,0),f.rotate(l,l,j),f.add(l,l,i);var n=this.circleConvex(g,h,l,j,a,b,c,e,k,h.radius);if(k&&(m||n))return!0;var o=O;d(o,h);var p=this.convexConvex(a,b,c,e,g,o,i,j,k);return p+m+n},c.prototype[q.CAPSULE|q.LINE]=c.prototype.lineCapsule=function(a,b,c,d,e,f,g,h,i){return i?!1:0};var Q=f.create(),R=f.create(),S=new r(1,1);c.prototype[q.CAPSULE|q.CAPSULE]=c.prototype.capsuleCapsule=function(a,b,c,e,g,h,i,j,k){for(var l,m=Q,n=R,o=0,p=0;2>p;p++){f.set(m,(0===p?-1:1)*b.length/2,0),f.rotate(m,m,e),f.add(m,m,c);for(var q=0;2>q;q++){f.set(n,(0===q?-1:1)*h.length/2,0),f.rotate(n,n,j),f.add(n,n,i),this.enableFrictionReduction&&(l=this.enableFriction,this.enableFriction=!1);var r=this.circleCircle(a,b,m,e,g,h,n,j,k,b.radius,h.radius);if(this.enableFrictionReduction&&(this.enableFriction=l),k&&r)return!0;o+=r}}this.enableFrictionReduction&&(l=this.enableFriction,this.enableFriction=!1);var s=S;d(s,b);var t=this.convexCapsule(a,s,c,e,g,h,i,j,k);if(this.enableFrictionReduction&&(this.enableFriction=l),k&&t)return!0;if(o+=t,this.enableFrictionReduction){var l=this.enableFriction;this.enableFriction=!1}d(s,h);var u=this.convexCapsule(g,s,i,j,a,b,c,e,k);return this.enableFrictionReduction&&(this.enableFriction=l),k&&u?!0:(o+=u,this.enableFrictionReduction&&o&&this.enableFriction&&this.frictionEquations.push(this.createFrictionFromAverage(o)),o)},c.prototype[q.LINE|q.LINE]=c.prototype.lineLine=function(a,b,c,d,e,f,g,h,i){return i?!1:0},c.prototype[q.PLANE|q.LINE]=c.prototype.planeLine=function(a,b,c,d,e,j,k,l,m){var n=t,o=u,p=v,q=w,r=x,C=y,D=z,E=A,F=B,G=L,H=0;f.set(n,-j.length/2,0),f.set(o,j.length/2,0),f.rotate(p,n,l),f.rotate(q,o,l),h(p,p,k),h(q,q,k),f.copy(n,p),f.copy(o,q),g(r,o,n),f.normalize(C,r),f.rotate90cw(F,C),f.rotate(E,s,d),G[0]=n,G[1]=o;for(var I=0;I<G.length;I++){var J=G[I];g(D,J,c);var K=i(D,E);if(0>K){if(m)return!0;var M=this.createContactEquation(a,e,b,j);H++,f.copy(M.normalA,E),f.normalize(M.normalA,M.normalA),f.scale(D,E,K),g(M.contactPointA,J,D),g(M.contactPointA,M.contactPointA,a.position),g(M.contactPointB,J,k),h(M.contactPointB,M.contactPointB,k),g(M.contactPointB,M.contactPointB,e.position),this.contactEquations.push(M),this.enableFrictionReduction||this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(M))}}return m?!1:(this.enableFrictionReduction||H&&this.enableFriction&&this.frictionEquations.push(this.createFrictionFromAverage(H)),H)},c.prototype[q.PARTICLE|q.CAPSULE]=c.prototype.particleCapsule=function(a,b,c,d,e,f,g,h,i){return this.circleLine(a,b,c,d,e,f,g,h,i,f.radius,0)},c.prototype[q.CIRCLE|q.LINE]=c.prototype.circleLine=function(a,b,c,d,e,j,k,l,m,n,o){var n=n||0,o="undefined"!=typeof o?o:b.radius,p=t,q=u,r=v,s=w,H=x,I=y,J=z,K=A,M=B,N=C,O=D,P=E,Q=F,R=G,S=L;f.set(K,-j.length/2,0),f.set(M,j.length/2,0),f.rotate(N,K,l),f.rotate(O,M,l),h(N,N,k),h(O,O,k),f.copy(K,N),f.copy(M,O),g(I,M,K),f.normalize(J,I),f.rotate90cw(H,J),g(P,c,K);var T=i(P,H);g(s,K,k),g(Q,c,k);var U=o+n;if(Math.abs(T)<U){f.scale(p,H,T),g(r,c,p),f.scale(q,H,i(H,Q)),f.normalize(q,q),f.scale(q,q,n),h(r,r,q);var V=i(J,r),W=i(J,K),X=i(J,M);if(V>W&&X>V){if(m)return!0;var Y=this.createContactEquation(a,e,b,j);return f.scale(Y.normalA,p,-1),f.normalize(Y.normalA,Y.normalA),f.scale(Y.contactPointA,Y.normalA,o),h(Y.contactPointA,Y.contactPointA,c),g(Y.contactPointA,Y.contactPointA,a.position),g(Y.contactPointB,r,k),h(Y.contactPointB,Y.contactPointB,k),g(Y.contactPointB,Y.contactPointB,e.position),this.contactEquations.push(Y),this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(Y)),1}}S[0]=K,S[1]=M;for(var Z=0;Z<S.length;Z++){var $=S[Z];if(g(P,$,c),f.squaredLength(P)<Math.pow(U,2)){if(m)return!0;var Y=this.createContactEquation(a,e,b,j);return f.copy(Y.normalA,P),f.normalize(Y.normalA,Y.normalA),f.scale(Y.contactPointA,Y.normalA,o),h(Y.contactPointA,Y.contactPointA,c),g(Y.contactPointA,Y.contactPointA,a.position),g(Y.contactPointB,$,k),f.scale(R,Y.normalA,-n),h(Y.contactPointB,Y.contactPointB,R),h(Y.contactPointB,Y.contactPointB,k),g(Y.contactPointB,Y.contactPointB,e.position),this.contactEquations.push(Y),this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(Y)),1}}return 0},c.prototype[q.CIRCLE|q.CAPSULE]=c.prototype.circleCapsule=function(a,b,c,d,e,f,g,h,i){return this.circleLine(a,b,c,d,e,f,g,h,i,f.radius)},c.prototype[q.CIRCLE|q.CONVEX]=c.prototype[q.CIRCLE|q.RECTANGLE]=c.prototype.circleConvex=function(a,b,c,d,i,j,k,l,m,n){for(var n="number"==typeof n?n:b.radius,o=t,p=u,q=v,r=w,s=x,y=C,z=D,A=F,B=G,E=H,J=I,K=!1,L=Number.MAX_VALUE,M=j.vertices,N=0;N!==M.length+1;N++){var O=M[N%M.length],P=M[(N+1)%M.length];if(f.rotate(o,O,l),f.rotate(p,P,l),h(o,o,k),h(p,p,k),g(q,p,o),f.normalize(r,q),f.rotate90cw(s,r),f.scale(B,s,-b.radius),h(B,B,c),e(B,j,k,l)){f.sub(E,o,B);var Q=Math.abs(f.dot(E,s));L>Q&&(f.copy(J,B),L=Q,f.scale(A,s,Q),f.add(A,A,B),K=!0)}}if(K){if(m)return!0;var R=this.createContactEquation(a,i,b,j);return f.sub(R.normalA,J,c),f.normalize(R.normalA,R.normalA),f.scale(R.contactPointA,R.normalA,n),h(R.contactPointA,R.contactPointA,c),g(R.contactPointA,R.contactPointA,a.position),g(R.contactPointB,A,k),h(R.contactPointB,R.contactPointB,k),g(R.contactPointB,R.contactPointB,i.position),this.contactEquations.push(R),this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(R)),1}if(n>0)for(var N=0;N<M.length;N++){var S=M[N];if(f.rotate(z,S,l),h(z,z,k),g(y,z,c),f.squaredLength(y)<Math.pow(n,2)){if(m)return!0;var R=this.createContactEquation(a,i,b,j);return f.copy(R.normalA,y),f.normalize(R.normalA,R.normalA),f.scale(R.contactPointA,R.normalA,n),h(R.contactPointA,R.contactPointA,c),g(R.contactPointA,R.contactPointA,a.position),g(R.contactPointB,z,k),h(R.contactPointB,R.contactPointB,k),g(R.contactPointB,R.contactPointB,i.position),this.contactEquations.push(R),this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(R)),1}}return 0};var T=f.create(),U=f.create(),V=f.create(),W=f.create();c.prototype[q.PARTICLE|q.CONVEX]=c.prototype[q.PARTICLE|q.RECTANGLE]=c.prototype.particleConvex=function(a,b,c,d,j,k,l,m,n){var o=t,p=u,q=v,r=w,s=x,A=y,B=z,D=C,E=F,G=J,H=K,I=Number.MAX_VALUE,L=!1,M=k.vertices;if(!e(c,k,l,m))return 0;if(n)return!0;for(var N=0;N!==M.length+1;N++){var O=M[N%M.length],P=M[(N+1)%M.length];f.rotate(o,O,m),f.rotate(p,P,m),h(o,o,l),h(p,p,l),g(q,p,o),f.normalize(r,q),f.rotate90cw(s,r),g(D,c,o);{i(D,s)}g(A,o,l),g(B,c,l),f.sub(G,o,c);var Q=Math.abs(f.dot(G,s));I>Q&&(I=Q,f.scale(E,s,Q),f.add(E,E,c),f.copy(H,s),L=!0)}if(L){var R=this.createContactEquation(a,j,b,k);return f.scale(R.normalA,H,-1),f.normalize(R.normalA,R.normalA),f.set(R.contactPointA,0,0),h(R.contactPointA,R.contactPointA,c),g(R.contactPointA,R.contactPointA,a.position),g(R.contactPointB,E,l),h(R.contactPointB,R.contactPointB,l),g(R.contactPointB,R.contactPointB,j.position),this.contactEquations.push(R),this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(R)),1}return 0},c.prototype[q.CIRCLE]=c.prototype.circleCircle=function(a,b,c,d,e,i,j,k,l,m,n){var o=t,m=m||b.radius,n=n||i.radius;g(o,c,j);var p=m+n;if(f.squaredLength(o)>Math.pow(p,2))return 0;if(l)return!0;var q=this.createContactEquation(a,e,b,i);return g(q.normalA,j,c),f.normalize(q.normalA,q.normalA),f.scale(q.contactPointA,q.normalA,m),f.scale(q.contactPointB,q.normalA,-n),h(q.contactPointA,q.contactPointA,c),g(q.contactPointA,q.contactPointA,a.position),h(q.contactPointB,q.contactPointB,j),g(q.contactPointB,q.contactPointB,e.position),this.contactEquations.push(q),this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(q)),1},c.prototype[q.PLANE|q.CONVEX]=c.prototype[q.PLANE|q.RECTANGLE]=c.prototype.planeConvex=function(a,b,c,d,e,j,k,l,m){var n=t,o=u,p=v,q=0;f.rotate(o,s,d);for(var r=0;r!==j.vertices.length;r++){var w=j.vertices[r];if(f.rotate(n,w,l),h(n,n,k),g(p,n,c),i(p,o)<=0){if(m)return!0;q++;var x=this.createContactEquation(a,e,b,j);g(p,n,c),f.copy(x.normalA,o);var y=i(p,x.normalA);f.scale(p,x.normalA,y),g(x.contactPointB,n,e.position),g(x.contactPointA,n,p),g(x.contactPointA,x.contactPointA,a.position),this.contactEquations.push(x),this.enableFrictionReduction||this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(x))}}return this.enableFrictionReduction&&this.enableFriction&&q&&this.frictionEquations.push(this.createFrictionFromAverage(q)),q},c.prototype[q.PARTICLE|q.PLANE]=c.prototype.particlePlane=function(a,b,c,d,e,h,j,k,l){var m=t,n=u;k=k||0,g(m,c,j),f.rotate(n,s,k);var o=i(m,n);if(o>0)return 0;if(l)return!0;var p=this.createContactEquation(e,a,h,b);return f.copy(p.normalA,n),f.scale(m,p.normalA,o),g(p.contactPointA,c,m),g(p.contactPointA,p.contactPointA,e.position),g(p.contactPointB,c,a.position),this.contactEquations.push(p),this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(p)),1},c.prototype[q.CIRCLE|q.PARTICLE]=c.prototype.circleParticle=function(a,b,c,d,e,i,j,k,l){var m=t;if(g(m,j,c),f.squaredLength(m)>Math.pow(b.radius,2))return 0;if(l)return!0;var n=this.createContactEquation(a,e,b,i);return f.copy(n.normalA,m),f.normalize(n.normalA,n.normalA),f.scale(n.contactPointA,n.normalA,b.radius),h(n.contactPointA,n.contactPointA,c),g(n.contactPointA,n.contactPointA,a.position),g(n.contactPointB,j,e.position),this.contactEquations.push(n),this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(n)),1};{var X=new o(1),Y=f.create(),Z=f.create();f.create()}c.prototype[q.PLANE|q.CAPSULE]=c.prototype.planeCapsule=function(a,b,c,d,e,g,i,j,k){var l=Y,m=Z,n=X;f.set(l,-g.length/2,0),f.rotate(l,l,j),h(l,l,i),f.set(m,g.length/2,0),f.rotate(m,m,j),h(m,m,i),n.radius=g.radius;var o;this.enableFrictionReduction&&(o=this.enableFriction,this.enableFriction=!1);var p=this.circlePlane(e,n,l,0,a,b,c,d,k),q=this.circlePlane(e,n,m,0,a,b,c,d,k);if(this.enableFrictionReduction&&(this.enableFriction=o),k)return p||q;var r=p+q;return this.enableFrictionReduction&&r&&this.frictionEquations.push(this.createFrictionFromAverage(r)),r},c.prototype[q.CIRCLE|q.PLANE]=c.prototype.circlePlane=function(a,b,c,d,e,j,k,l,m){var n=a,o=b,p=c,q=e,r=k,w=l;w=w||0;var x=t,y=u,z=v;g(x,p,r),f.rotate(y,s,w);var A=i(y,x);if(A>o.radius)return 0;if(m)return!0;var B=this.createContactEquation(q,n,j,b);return f.copy(B.normalA,y),f.scale(B.contactPointB,B.normalA,-o.radius),h(B.contactPointB,B.contactPointB,p),g(B.contactPointB,B.contactPointB,n.position),f.scale(z,B.normalA,A),g(B.contactPointA,x,z),h(B.contactPointA,B.contactPointA,r),g(B.contactPointA,B.contactPointA,q.position),this.contactEquations.push(B),this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(B)),1},c.prototype[q.CONVEX]=c.prototype[q.CONVEX|q.RECTANGLE]=c.prototype[q.RECTANGLE]=c.prototype.convexConvex=function(a,b,d,e,j,k,l,m,n,o){var p=t,q=u,r=v,s=w,y=x,C=z,D=A,E=B,F=0,o="number"==typeof o?o:0,G=c.findSeparatingAxis(b,d,e,k,l,m,p);if(!G)return 0;g(D,l,d),i(p,D)>0&&f.scale(p,p,-1);var H=c.getClosestEdge(b,e,p,!0),I=c.getClosestEdge(k,m,p);if(-1===H||-1===I)return 0;for(var J=0;2>J;J++){var K=H,L=I,M=b,N=k,O=d,P=l,Q=e,R=m,S=a,T=j;if(0===J){var U;U=K,K=L,L=U,U=M,M=N,N=U,U=O,O=P,P=U,U=Q,Q=R,R=U,U=S,S=T,T=U}for(var V=L;L+2>V;V++){var W=N.vertices[(V+N.vertices.length)%N.vertices.length];f.rotate(q,W,R),h(q,q,P);for(var X=0,Y=K-1;K+2>Y;Y++){var Z=M.vertices[(Y+M.vertices.length)%M.vertices.length],$=M.vertices[(Y+1+M.vertices.length)%M.vertices.length];f.rotate(r,Z,Q),f.rotate(s,$,Q),h(r,r,O),h(s,s,O),g(y,s,r),f.rotate90cw(E,y),f.normalize(E,E),g(D,q,r);var _=i(E,D);(Y===K&&o>=_||Y!==K&&0>=_)&&X++}if(X>=3){if(n)return!0;var ab=this.createContactEquation(S,T,M,N);F++;var Z=M.vertices[K%M.vertices.length],$=M.vertices[(K+1)%M.vertices.length];f.rotate(r,Z,Q),f.rotate(s,$,Q),h(r,r,O),h(s,s,O),g(y,s,r),f.rotate90cw(ab.normalA,y),f.normalize(ab.normalA,ab.normalA),g(D,q,r);var _=i(ab.normalA,D);f.scale(C,ab.normalA,_),g(ab.contactPointA,q,O),g(ab.contactPointA,ab.contactPointA,C),h(ab.contactPointA,ab.contactPointA,O),g(ab.contactPointA,ab.contactPointA,S.position),g(ab.contactPointB,q,P),h(ab.contactPointB,ab.contactPointB,P),g(ab.contactPointB,ab.contactPointB,T.position),this.contactEquations.push(ab),this.enableFrictionReduction||this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(ab))}}}return this.enableFrictionReduction&&this.enableFriction&&F&&this.frictionEquations.push(this.createFrictionFromAverage(F)),F};var $=f.fromValues(0,0);c.projectConvexOntoAxis=function(a,b,c,d,e){var g,h,j=null,k=null,l=$;f.rotate(l,d,-c);for(var m=0;m<a.vertices.length;m++)g=a.vertices[m],h=i(g,l),(null===j||h>j)&&(j=h),(null===k||k>h)&&(k=h);if(k>j){var n=k;k=j,j=n}var o=i(b,d);f.set(e,k+o,j+o)};var _=f.fromValues(0,0),ab=f.fromValues(0,0),bb=f.fromValues(0,0),cb=f.fromValues(0,0),db=f.fromValues(0,0),eb=f.fromValues(0,0);c.findSeparatingAxis=function(a,b,d,e,h,i,j){var k=null,l=!1,m=!1,n=_,o=ab,p=bb,q=cb,s=db,t=eb;if(a instanceof r&&e instanceof r)for(var u=0;2!==u;u++){var v=a,w=d;1===u&&(v=e,w=i);for(var x=0;2!==x;x++){0===x?f.set(q,0,1):1===x&&f.set(q,1,0),0!==w&&f.rotate(q,q,w),c.projectConvexOntoAxis(a,b,d,q,s),c.projectConvexOntoAxis(e,h,i,q,t);var y=s,z=t,A=!1;s[0]>t[0]&&(z=s,y=t,A=!0);var B=z[0]-y[1];l=0>=B,(null===k||B>k)&&(f.copy(j,q),k=B,m=l)}}else for(var u=0;2!==u;u++){var v=a,w=d;1===u&&(v=e,w=i);for(var x=0;x!==v.vertices.length;x++){f.rotate(o,v.vertices[x],w),f.rotate(p,v.vertices[(x+1)%v.vertices.length],w),g(n,p,o),f.rotate90cw(q,n),f.normalize(q,q),c.projectConvexOntoAxis(a,b,d,q,s),c.projectConvexOntoAxis(e,h,i,q,t);var y=s,z=t,A=!1;s[0]>t[0]&&(z=s,y=t,A=!0);var B=z[0]-y[1];l=0>=B,(null===k||B>k)&&(f.copy(j,q),k=B,m=l)}}return m};var fb=f.fromValues(0,0),gb=f.fromValues(0,0),hb=f.fromValues(0,0);c.getClosestEdge=function(a,b,c,d){var e=fb,h=gb,j=hb;f.rotate(e,c,-b),d&&f.scale(e,e,-1);for(var k=-1,l=a.vertices.length,m=-1,n=0;n!==l;n++){g(h,a.vertices[(n+1)%l],a.vertices[n%l]),f.rotate90cw(j,h),f.normalize(j,j);var o=i(j,e);(-1===k||o>m)&&(k=n%l,m=o)}return k};var ib=f.create(),jb=f.create(),kb=f.create(),lb=f.create(),mb=f.create(),nb=f.create(),ob=f.create();c.prototype[q.CIRCLE|q.HEIGHTFIELD]=c.prototype.circleHeightfield=function(a,b,c,d,e,i,j,k,l,m){var n=i.data,m=m||b.radius,o=i.elementWidth,p=jb,q=ib,r=mb,s=ob,t=nb,u=kb,v=lb,w=Math.floor((c[0]-m-j[0])/o),x=Math.ceil((c[0]+m-j[0])/o);
+0>w&&(w=0),x>=n.length&&(x=n.length-1);for(var y=n[w],z=n[x],A=w;x>A;A++)n[A]<z&&(z=n[A]),n[A]>y&&(y=n[A]);if(c[1]-m>y)return l?!1:0;for(var B=!1,A=w;x>A;A++){f.set(u,A*o,n[A]),f.set(v,(A+1)*o,n[A+1]),f.add(u,u,j),f.add(v,v,j),f.sub(t,v,u),f.rotate(t,t,Math.PI/2),f.normalize(t,t),f.scale(q,t,-m),f.add(q,q,c),f.sub(p,q,u);var C=f.dot(p,t);if(q[0]>=u[0]&&q[0]<v[0]&&0>=C){if(l)return!0;B=!0,f.scale(p,t,-C),f.add(r,q,p),f.copy(s,t);var D=this.createContactEquation(e,a,i,b);f.copy(D.normalA,s),f.scale(D.contactPointB,D.normalA,-m),h(D.contactPointB,D.contactPointB,c),g(D.contactPointB,D.contactPointB,a.position),f.copy(D.contactPointA,r),f.sub(D.contactPointA,D.contactPointA,e.position),this.contactEquations.push(D),this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(D))}}if(B=!1,m>0)for(var A=w;x>=A;A++)if(f.set(u,A*o,n[A]),f.add(u,u,j),f.sub(p,c,u),f.squaredLength(p)<Math.pow(m,2)){if(l)return!0;B=!0;var D=this.createContactEquation(e,a,i,b);f.copy(D.normalA,p),f.normalize(D.normalA,D.normalA),f.scale(D.contactPointB,D.normalA,-m),h(D.contactPointB,D.contactPointB,c),g(D.contactPointB,D.contactPointB,a.position),g(D.contactPointA,u,j),h(D.contactPointA,D.contactPointA,j),g(D.contactPointA,D.contactPointA,e.position),this.contactEquations.push(D),this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(D))}return B?1:0};var pb=f.create(),qb=f.create(),rb=f.create(),sb=new p([f.create(),f.create(),f.create(),f.create()]);c.prototype[q.RECTANGLE|q.HEIGHTFIELD]=c.prototype[q.CONVEX|q.HEIGHTFIELD]=c.prototype.convexHeightfield=function(a,b,c,d,e,g,h,i,j){var k=g.data,l=g.elementWidth,m=pb,n=qb,o=rb,p=sb,q=Math.floor((a.aabb.lowerBound[0]-h[0])/l),r=Math.ceil((a.aabb.upperBound[0]-h[0])/l);0>q&&(q=0),r>=k.length&&(r=k.length-1);for(var s=k[q],t=k[r],u=q;r>u;u++)k[u]<t&&(t=k[u]),k[u]>s&&(s=k[u]);if(a.aabb.lowerBound[1]>s)return j?!1:0;for(var v=0,u=q;r>u;u++){f.set(m,u*l,k[u]),f.set(n,(u+1)*l,k[u+1]),f.add(m,m,h),f.add(n,n,h);var w=100;f.set(o,.5*(n[0]+m[0]),.5*(n[1]+m[1]-w)),f.sub(p.vertices[0],n,o),f.sub(p.vertices[1],m,o),f.copy(p.vertices[2],p.vertices[1]),f.copy(p.vertices[3],p.vertices[0]),p.vertices[2][1]-=w,p.vertices[3][1]-=w,v+=this.convexConvex(a,b,c,d,e,p,o,0,j)}return v}},{"../equations/ContactEquation":22,"../equations/Equation":23,"../equations/FrictionEquation":24,"../math/vec2":31,"../objects/Body":32,"../shapes/Circle":38,"../shapes/Convex":39,"../shapes/Rectangle":44,"../shapes/Shape":45,"../utils/TupleDictionary":49,"../utils/Utils":50}],12:[function(a,b){function c(a){a=a||{},this.from=a.from?e.fromValues(a.from[0],a.from[1]):e.create(),this.to=a.to?e.fromValues(a.to[0],a.to[1]):e.create(),this._direction=e.create(),this.precision=1e-4,this.checkCollisionResponse=!0,this.skipBackfaces=!1,this.collisionMask=-1,this.collisionGroup=-1,this.mode=c.ANY,this.result=new f,this.hasHit=!1,this.callback=function(){}}function d(a,b,c){e.sub(z,c,a);var d=e.dot(z,b);e.scale(A,b,d),e.add(A,A,a);var f=e.distance(c,A);return f}b.exports=c;var e=a("../math/vec2"),f=a("../collision/RaycastResult"),g=a("../shapes/Shape"),h=a("../collision/AABB");c.prototype.constructor=c,c.CLOSEST=1,c.ANY=2,c.ALL=4;var i=new h,j=[];c.prototype.intersectWorld=function(a,b){return this.mode=b.mode||c.ANY,this.result=b.result||new f,this.skipBackfaces=!!b.skipBackfaces,this.collisionMask="undefined"!=typeof b.collisionMask?b.collisionMask:-1,this.collisionGroup="undefined"!=typeof b.collisionGroup?b.collisionGroup:-1,b.from&&e.copy(this.from,b.from),b.to&&e.copy(this.to,b.to),this.callback=b.callback||function(){},this.hasHit=!1,this.result.reset(),this._updateDirection(),this.getAABB(i),j.length=0,a.broadphase.aabbQuery(a,i,j),this.intersectBodies(j),this.hasHit};var k=(e.create(),e.create(),e.create());c.prototype.intersectBody=function(a,b){b&&(this.result=b,this._updateDirection());var c=this.checkCollisionResponse;if(!c||a.collisionResponse)for(var d=k,f=0,g=a.shapes.length;g>f;f++){var h=a.shapes[f];if(!c||h.collisionResponse){e.copy(d,a.shapeOffsets[f]),e.rotate(d,d,a.angle),e.add(d,d,a.position);var i=a.shapeAngles[f]+a.angle;if(this.intersectShape(h,i,d,a),this.result._shouldStop)break}}},c.prototype.intersectBodies=function(a,b){b&&(this.result=b,this._updateDirection());for(var c=0,d=a.length;!this.result._shouldStop&&d>c;c++)this.intersectBody(a[c])},c.prototype._updateDirection=function(){var a=this._direction;e.sub(a,this.to,this.from),e.normalize(a,a)},c.prototype.intersectShape=function(a,b,c,e){var f=this.from,g=d(f,this._direction,c);if(!(g>a.boundingSphereRadius)){var h=this[a.type];h&&h.call(this,a,b,c,e)}};var l=(e.create(),e.create(),e.create(),e.create(),e.create(),e.create(),e.create(),new f,e.create()),m=e.create(),n=e.create(),o=e.create(),p=e.create(),q=e.create(),r=e.create();c.prototype.intersectRectangle=function(a,b,c,d){var f=-Number.MAX_VALUE,g=Number.MAX_VALUE,h=l,i=m,j=n,k=o,s=p,t=q,u=r;if(e.set(t,.5*-a.width,.5*-a.height),e.set(u,.5*a.width,.5*a.height),e.rotate(h,this._direction,-b),d.toLocalFrame(i,this.from),0!==h[0]){var v=(t[0]-i[0])/h[0],w=(u[0]-i[0])/h[0],x=f;f=Math.max(f,Math.min(v,w)),f!==x&&e.set(j,v>w?1:-1,0);var y=g;g=Math.min(g,Math.max(v,w)),g!==y&&e.set(k,w>v?1:-1,0)}if(0!==h[1]){var z=(t[1]-i[1])/h[1],A=(u[1]-i[1])/h[1],x=f;f=Math.max(f,Math.min(z,A)),f!==x&&e.set(j,0,z>A?1:-1);var y=g;g=Math.min(g,Math.max(z,A)),g!==y&&e.set(k,0,A>z?1:-1)}if(g>=f){if(e.set(s,i[0]+h[0]*f,i[1]+h[1]*f),e.rotate(j,j,b),d.toWorldFrame(s,s),this.reportIntersection(j,s,a,d,-1),this._shouldStop)return;e.rotate(k,k,b),e.set(s,i[0]+h[0]*g,i[1]+h[1]*g),d.toWorldFrame(s,s),this.reportIntersection(k,s,a,d,-1)}},c.prototype[g.RECTANGLE]=c.prototype.intersectRectangle;var s=e.create(),t=e.create(),u=e.create(),v=e.create(),w=e.create();c.prototype.intersectPlane=function(a,b,c,d){var f=this.from,g=this.to,h=this._direction,i=s,j=t,k=u,l=v,m=w;e.set(l,0,1),e.rotate(l,l,b),e.sub(m,f,c);var n=e.dot(m,l);e.sub(m,g,c);var o=e.dot(m,l);if(!(n*o>0||e.distance(f,g)<n)){var p=e.dot(l,h);e.sub(i,f,c);var q=-e.dot(l,i)/p;e.scale(j,h,q),e.add(k,f,j),this.reportIntersection(l,k,a,d,-1)}},c.prototype[g.PLANE]=c.prototype.intersectPlane;var x=e.create(),y=e.create();c.prototype.intersectCircle=function(a,b,c,d){var f=this.from,g=this.to,h=a.radius,i=Math.pow(g[0]-f[0],2)+Math.pow(g[1]-f[1],2),j=2*((g[0]-f[0])*(f[0]-c[0])+(g[1]-f[1])*(f[1]-c[1])),k=Math.pow(f[0]-c[0],2)+Math.pow(f[1]-c[1],2)-Math.pow(h,2),l=Math.pow(j,2)-4*i*k,m=x,n=y;if(!(0>l))if(0===l)e.lerp(m,f,g,l),e.sub(n,m,c),e.normalize(n,n),this.reportIntersection(n,m,a,d,-1);else{var o=(-j-Math.sqrt(l))/(2*i),p=(-j+Math.sqrt(l))/(2*i);if(e.lerp(m,f,g,o),e.sub(n,m,c),e.normalize(n,n),this.reportIntersection(n,m,a,d,-1),this.result._shouldStop)return;e.lerp(m,f,g,p),e.sub(n,m,c),e.normalize(n,n),this.reportIntersection(n,m,a,d,-1)}},c.prototype[g.CIRCLE]=c.prototype.intersectCircle,c.prototype.getAABB=function(a){var b=this.to,c=this.from;a.lowerBound[0]=Math.min(b[0],c[0]),a.lowerBound[1]=Math.min(b[1],c[1]),a.upperBound[0]=Math.max(b[0],c[0]),a.upperBound[1]=Math.max(b[1],c[1])},c.prototype.reportIntersection=function(a,b,d,f,g){var h=this.from,i=this.to,j=e.distance(h,b),k=this.result;if(!(this.skipBackfaces&&e.dot(a,this._direction)>0))switch(k.hitFaceIndex="undefined"!=typeof g?g:-1,this.mode){case c.ALL:this.hasHit=!0,k.set(h,i,a,b,d,f,j),k.hasHit=!0,this.callback(k);break;case c.CLOSEST:(j<k.distance||!k.hasHit)&&(this.hasHit=!0,k.hasHit=!0,k.set(h,i,a,b,d,f,j));break;case c.ANY:this.hasHit=!0,k.hasHit=!0,k.set(h,i,a,b,d,f,j),k._shouldStop=!0}};var z=e.create(),A=e.create()},{"../collision/AABB":7,"../collision/RaycastResult":13,"../math/vec2":31,"../shapes/Shape":45}],13:[function(a,b){function c(){this.rayFromWorld=d.create(),this.rayToWorld=d.create(),this.hitNormalWorld=d.create(),this.hitPointWorld=d.create(),this.hasHit=!1,this.shape=null,this.body=null,this.hitFaceIndex=-1,this.distance=-1,this._shouldStop=!1}var d=a("../math/vec2");b.exports=c,c.prototype.reset=function(){d.set(this.rayFromWorld,0,0),d.set(this.rayToWorld,0,0),d.set(this.hitNormalWorld,0,0),d.set(this.hitPointWorld,0,0),this.hasHit=!1,this.shape=null,this.body=null,this.hitFaceIndex=-1,this.distance=-1,this._shouldStop=!1},c.prototype.abort=function(){this._shouldStop=!0},c.prototype.set=function(a,b,c,e,f,g,h){d.copy(this.rayFromWorld,a),d.copy(this.rayToWorld,b),d.copy(this.hitNormalWorld,c),d.copy(this.hitPointWorld,e),this.shape=f,this.body=g,this.distance=h}},{"../math/vec2":31}],14:[function(a,b){function c(){e.call(this,e.SAP),this.axisList=[],this.axisIndex=0;var a=this;this._addBodyHandler=function(b){a.axisList.push(b.body)},this._removeBodyHandler=function(b){var c=a.axisList.indexOf(b.body);-1!==c&&a.axisList.splice(c,1)}}var d=a("../utils/Utils"),e=a("../collision/Broadphase");b.exports=c,c.prototype=new e,c.prototype.constructor=c,c.prototype.setWorld=function(a){this.axisList.length=0,d.appendArray(this.axisList,a.bodies),a.off("addBody",this._addBodyHandler).off("removeBody",this._removeBodyHandler),a.on("addBody",this._addBodyHandler).on("removeBody",this._removeBodyHandler),this.world=a},c.sortAxisList=function(a,b){b=0|b;for(var c=1,d=a.length;d>c;c++){for(var e=a[c],f=c-1;f>=0&&!(a[f].aabb.lowerBound[b]<=e.aabb.lowerBound[b]);f--)a[f+1]=a[f];a[f+1]=e}return a},c.prototype.sortList=function(){var a=this.axisList,b=this.axisIndex;c.sortAxisList(a,b)},c.prototype.getCollisionPairs=function(){var a=this.axisList,b=this.result,c=this.axisIndex;b.length=0;for(var d=a.length;d--;){var f=a[d];f.aabbNeedsUpdate&&f.updateAABB()}this.sortList();for(var g=0,h=0|a.length;g!==h;g++)for(var i=a[g],j=g+1;h>j;j++){var k=a[j],l=k.aabb.lowerBound[c]<=i.aabb.upperBound[c];if(!l)break;e.canCollide(i,k)&&this.boundingVolumeCheck(i,k)&&b.push(i,k)}return b},c.prototype.aabbQuery=function(a,b,c){c=c||[],this.sortList();var d=this.axisIndex,e="x";1===d&&(e="y"),2===d&&(e="z");for(var f=this.axisList,g=(b.lowerBound[e],b.upperBound[e],0);g<f.length;g++){var h=f[g];h.aabbNeedsUpdate&&h.updateAABB(),h.aabb.overlaps(b)&&c.push(h)}return c}},{"../collision/Broadphase":8,"../utils/Utils":50}],15:[function(a,b){function c(a,b,c,e){this.type=c,e=d.defaults(e,{collideConnected:!0,wakeUpBodies:!0}),this.equations=[],this.bodyA=a,this.bodyB=b,this.collideConnected=e.collideConnected,e.wakeUpBodies&&(a&&a.wakeUp(),b&&b.wakeUp())}b.exports=c;var d=a("../utils/Utils");c.prototype.update=function(){throw new Error("method update() not implmemented in this Constraint subclass!")},c.DISTANCE=1,c.GEAR=2,c.LOCK=3,c.PRISMATIC=4,c.REVOLUTE=5,c.prototype.setStiffness=function(a){for(var b=this.equations,c=0;c!==b.length;c++){var d=b[c];d.stiffness=a,d.needsUpdate=!0}},c.prototype.setRelaxation=function(a){for(var b=this.equations,c=0;c!==b.length;c++){var d=b[c];d.relaxation=a,d.needsUpdate=!0}}},{"../utils/Utils":50}],16:[function(a,b){function c(a,b,c){c=g.defaults(c,{localAnchorA:[0,0],localAnchorB:[0,0]}),d.call(this,a,b,d.DISTANCE,c),this.localAnchorA=f.fromValues(c.localAnchorA[0],c.localAnchorA[1]),this.localAnchorB=f.fromValues(c.localAnchorB[0],c.localAnchorB[1]);var h=this.localAnchorA,i=this.localAnchorB;if(this.distance=0,"number"==typeof c.distance)this.distance=c.distance;else{var j=f.create(),k=f.create(),l=f.create();f.rotate(j,h,a.angle),f.rotate(k,i,b.angle),f.add(l,b.position,k),f.sub(l,l,j),f.sub(l,l,a.position),this.distance=f.length(l)}var m;m="undefined"==typeof c.maxForce?Number.MAX_VALUE:c.maxForce;var n=new e(a,b,-m,m);this.equations=[n],this.maxForce=m;var l=f.create(),o=f.create(),p=f.create(),q=this;n.computeGq=function(){var a=this.bodyA,b=this.bodyB,c=a.position,d=b.position;return f.rotate(o,h,a.angle),f.rotate(p,i,b.angle),f.add(l,d,p),f.sub(l,l,o),f.sub(l,l,c),f.length(l)-q.distance},this.setMaxForce(m),this.upperLimitEnabled=!1,this.upperLimit=1,this.lowerLimitEnabled=!1,this.lowerLimit=0,this.position=0}var d=a("./Constraint"),e=a("../equations/Equation"),f=a("../math/vec2"),g=a("../utils/Utils");b.exports=c,c.prototype=new d,c.prototype.constructor=c;var h=f.create(),i=f.create(),j=f.create();c.prototype.update=function(){var a=this.equations[0],b=this.bodyA,c=this.bodyB,d=(this.distance,b.position),e=c.position,g=this.equations[0],k=a.G;f.rotate(i,this.localAnchorA,b.angle),f.rotate(j,this.localAnchorB,c.angle),f.add(h,e,j),f.sub(h,h,i),f.sub(h,h,d),this.position=f.length(h);var l=!1;if(this.upperLimitEnabled&&this.position>this.upperLimit&&(g.maxForce=0,g.minForce=-this.maxForce,this.distance=this.upperLimit,l=!0),this.lowerLimitEnabled&&this.position<this.lowerLimit&&(g.maxForce=this.maxForce,g.minForce=0,this.distance=this.lowerLimit,l=!0),(this.lowerLimitEnabled||this.upperLimitEnabled)&&!l)return void(g.enabled=!1);g.enabled=!0,f.normalize(h,h);var m=f.crossLength(i,h),n=f.crossLength(j,h);k[0]=-h[0],k[1]=-h[1],k[2]=-m,k[3]=h[0],k[4]=h[1],k[5]=n},c.prototype.setMaxForce=function(a){var b=this.equations[0];b.minForce=-a,b.maxForce=a},c.prototype.getMaxForce=function(){var a=this.equations[0];return a.maxForce}},{"../equations/Equation":23,"../math/vec2":31,"../utils/Utils":50,"./Constraint":15}],17:[function(a,b){function c(a,b,c){c=c||{},d.call(this,a,b,d.GEAR,c),this.ratio="number"==typeof c.ratio?c.ratio:1,this.angle="number"==typeof c.angle?c.angle:b.angle-this.ratio*a.angle,c.angle=this.angle,c.ratio=this.ratio,this.equations=[new e(a,b,c)],"number"==typeof c.maxTorque&&this.setMaxTorque(c.maxTorque)}{var d=a("./Constraint"),e=(a("../equations/Equation"),a("../equations/AngleLockEquation"));a("../math/vec2")}b.exports=c,c.prototype=new d,c.prototype.constructor=c,c.prototype.update=function(){var a=this.equations[0];a.ratio!==this.ratio&&a.setRatio(this.ratio),a.angle=this.angle},c.prototype.setMaxTorque=function(a){this.equations[0].setMaxTorque(a)},c.prototype.getMaxTorque=function(){return this.equations[0].maxForce}},{"../equations/AngleLockEquation":21,"../equations/Equation":23,"../math/vec2":31,"./Constraint":15}],18:[function(a,b){function c(a,b,c){c=c||{},d.call(this,a,b,d.LOCK,c);var g="undefined"==typeof c.maxForce?Number.MAX_VALUE:c.maxForce,h=(c.localAngleB||0,new f(a,b,-g,g)),i=new f(a,b,-g,g),j=new f(a,b,-g,g),k=e.create(),l=e.create(),m=this;h.computeGq=function(){return e.rotate(k,m.localOffsetB,a.angle),e.sub(l,b.position,a.position),e.sub(l,l,k),l[0]},i.computeGq=function(){return e.rotate(k,m.localOffsetB,a.angle),e.sub(l,b.position,a.position),e.sub(l,l,k),l[1]};var n=e.create(),o=e.create();j.computeGq=function(){return e.rotate(n,m.localOffsetB,b.angle-m.localAngleB),e.scale(n,n,-1),e.sub(l,a.position,b.position),e.add(l,l,n),e.rotate(o,n,-Math.PI/2),e.normalize(o,o),e.dot(l,o)},this.localOffsetB=e.create(),c.localOffsetB?e.copy(this.localOffsetB,c.localOffsetB):(e.sub(this.localOffsetB,b.position,a.position),e.rotate(this.localOffsetB,this.localOffsetB,-a.angle)),this.localAngleB=0,this.localAngleB="number"==typeof c.localAngleB?c.localAngleB:b.angle-a.angle,this.equations.push(h,i,j),this.setMaxForce(g)}var d=a("./Constraint"),e=a("../math/vec2"),f=a("../equations/Equation");b.exports=c,c.prototype=new d,c.prototype.constructor=c,c.prototype.setMaxForce=function(a){for(var b=this.equations,c=0;c<this.equations.length;c++)b[c].maxForce=a,b[c].minForce=-a},c.prototype.getMaxForce=function(){return this.equations[0].maxForce};var g=e.create(),h=e.create(),i=e.create(),j=e.fromValues(1,0),k=e.fromValues(0,1);c.prototype.update=function(){var a=this.equations[0],b=this.equations[1],c=this.equations[2],d=this.bodyA,f=this.bodyB;e.rotate(g,this.localOffsetB,d.angle),e.rotate(h,this.localOffsetB,f.angle-this.localAngleB),e.scale(h,h,-1),e.rotate(i,h,Math.PI/2),e.normalize(i,i),a.G[0]=-1,a.G[1]=0,a.G[2]=-e.crossLength(g,j),a.G[3]=1,b.G[0]=0,b.G[1]=-1,b.G[2]=-e.crossLength(g,k),b.G[4]=1,c.G[0]=-i[0],c.G[1]=-i[1],c.G[3]=i[0],c.G[4]=i[1],c.G[5]=e.crossLength(h,i)}},{"../equations/Equation":23,"../math/vec2":31,"./Constraint":15}],19:[function(a,b){function c(a,b,c){c=c||{},d.call(this,a,b,d.PRISMATIC,c);var i=g.fromValues(0,0),j=g.fromValues(1,0),k=g.fromValues(0,0);c.localAnchorA&&g.copy(i,c.localAnchorA),c.localAxisA&&g.copy(j,c.localAxisA),c.localAnchorB&&g.copy(k,c.localAnchorB),this.localAnchorA=i,this.localAnchorB=k,this.localAxisA=j;var l=this.maxForce="undefined"!=typeof c.maxForce?c.maxForce:Number.MAX_VALUE,m=new f(a,b,-l,l),n=new g.create,o=new g.create,p=new g.create,q=new g.create;if(m.computeGq=function(){return g.dot(p,q)},m.updateJacobian=function(){var c=this.G,d=a.position,e=b.position;g.rotate(n,i,a.angle),g.rotate(o,k,b.angle),g.add(p,e,o),g.sub(p,p,d),g.sub(p,p,n),g.rotate(q,j,a.angle+Math.PI/2),c[0]=-q[0],c[1]=-q[1],c[2]=-g.crossLength(n,q)+g.crossLength(q,p),c[3]=q[0],c[4]=q[1],c[5]=g.crossLength(o,q)},this.equations.push(m),!c.disableRotationalLock){var r=new h(a,b,-l,l);this.equations.push(r)}this.position=0,this.velocity=0,this.lowerLimitEnabled="undefined"!=typeof c.lowerLimit?!0:!1,this.upperLimitEnabled="undefined"!=typeof c.upperLimit?!0:!1,this.lowerLimit="undefined"!=typeof c.lowerLimit?c.lowerLimit:0,this.upperLimit="undefined"!=typeof c.upperLimit?c.upperLimit:1,this.upperLimitEquation=new e(a,b),this.lowerLimitEquation=new e(a,b),this.upperLimitEquation.minForce=this.lowerLimitEquation.minForce=0,this.upperLimitEquation.maxForce=this.lowerLimitEquation.maxForce=l,this.motorEquation=new f(a,b),this.motorEnabled=!1,this.motorSpeed=0;{var s=this,t=this.motorEquation;t.computeGW}t.computeGq=function(){return 0},t.computeGW=function(){var a=this.G,b=this.bodyA,c=this.bodyB,d=b.velocity,e=c.velocity,f=b.angularVelocity,g=c.angularVelocity;return this.gmult(a,d,f,e,g)+s.motorSpeed}}var d=a("./Constraint"),e=a("../equations/ContactEquation"),f=a("../equations/Equation"),g=a("../math/vec2"),h=a("../equations/RotationalLockEquation");b.exports=c,c.prototype=new d,c.prototype.constructor=c;var i=g.create(),j=g.create(),k=g.create(),l=g.create(),m=g.create(),n=g.create();c.prototype.update=function(){var a=this.equations,b=a[0],c=this.upperLimit,d=this.lowerLimit,e=this.upperLimitEquation,f=this.lowerLimitEquation,h=this.bodyA,o=this.bodyB,p=this.localAxisA,q=this.localAnchorA,r=this.localAnchorB;b.updateJacobian(),g.rotate(i,p,h.angle),g.rotate(l,q,h.angle),g.add(j,l,h.position),g.rotate(m,r,o.angle),g.add(k,m,o.position);var s=this.position=g.dot(k,i)-g.dot(j,i);if(this.motorEnabled){var t=this.motorEquation.G;t[0]=i[0],t[1]=i[1],t[2]=g.crossLength(i,m),t[3]=-i[0],t[4]=-i[1],t[5]=-g.crossLength(i,l)}if(this.upperLimitEnabled&&s>c)g.scale(e.normalA,i,-1),g.sub(e.contactPointA,j,h.position),g.sub(e.contactPointB,k,o.position),g.scale(n,i,c),g.add(e.contactPointA,e.contactPointA,n),-1===a.indexOf(e)&&a.push(e);else{var u=a.indexOf(e);-1!==u&&a.splice(u,1)}if(this.lowerLimitEnabled&&d>s)g.scale(f.normalA,i,1),g.sub(f.contactPointA,j,h.position),g.sub(f.contactPointB,k,o.position),g.scale(n,i,d),g.sub(f.contactPointB,f.contactPointB,n),-1===a.indexOf(f)&&a.push(f);else{var u=a.indexOf(f);-1!==u&&a.splice(u,1)}},c.prototype.enableMotor=function(){this.motorEnabled||(this.equations.push(this.motorEquation),this.motorEnabled=!0)},c.prototype.disableMotor=function(){if(this.motorEnabled){var a=this.equations.indexOf(this.motorEquation);this.equations.splice(a,1),this.motorEnabled=!1}},c.prototype.setLimits=function(a,b){"number"==typeof a?(this.lowerLimit=a,this.lowerLimitEnabled=!0):(this.lowerLimit=a,this.lowerLimitEnabled=!1),"number"==typeof b?(this.upperLimit=b,this.upperLimitEnabled=!0):(this.upperLimit=b,this.upperLimitEnabled=!1)}},{"../equations/ContactEquation":22,"../equations/Equation":23,"../equations/RotationalLockEquation":25,"../math/vec2":31,"./Constraint":15}],20:[function(a,b){function c(a,b,c){c=c||{},d.call(this,a,b,d.REVOLUTE,c);var n=this.maxForce="undefined"!=typeof c.maxForce?c.maxForce:Number.MAX_VALUE;this.pivotA=h.create(),this.pivotB=h.create(),c.worldPivot?(h.sub(this.pivotA,c.worldPivot,a.position),h.sub(this.pivotB,c.worldPivot,b.position),h.rotate(this.pivotA,this.pivotA,-a.angle),h.rotate(this.pivotB,this.pivotB,-b.angle)):(h.copy(this.pivotA,c.localPivotA),h.copy(this.pivotB,c.localPivotB));var o=this.equations=[new e(a,b,-n,n),new e(a,b,-n,n)],p=o[0],q=o[1],r=this;p.computeGq=function(){return h.rotate(i,r.pivotA,a.angle),h.rotate(j,r.pivotB,b.angle),h.add(m,b.position,j),h.sub(m,m,a.position),h.sub(m,m,i),h.dot(m,k)},q.computeGq=function(){return h.rotate(i,r.pivotA,a.angle),h.rotate(j,r.pivotB,b.angle),h.add(m,b.position,j),h.sub(m,m,a.position),h.sub(m,m,i),h.dot(m,l)},q.minForce=p.minForce=-n,q.maxForce=p.maxForce=n,this.motorEquation=new f(a,b),this.motorEnabled=!1,this.angle=0,this.lowerLimitEnabled=!1,this.upperLimitEnabled=!1,this.lowerLimit=0,this.upperLimit=0,this.upperLimitEquation=new g(a,b),this.lowerLimitEquation=new g(a,b),this.upperLimitEquation.minForce=0,this.lowerLimitEquation.maxForce=0}var d=a("./Constraint"),e=a("../equations/Equation"),f=a("../equations/RotationalVelocityEquation"),g=a("../equations/RotationalLockEquation"),h=a("../math/vec2");b.exports=c;var i=h.create(),j=h.create(),k=h.fromValues(1,0),l=h.fromValues(0,1),m=h.create();c.prototype=new d,c.prototype.constructor=c,c.prototype.setLimits=function(a,b){"number"==typeof a?(this.lowerLimit=a,this.lowerLimitEnabled=!0):(this.lowerLimit=a,this.lowerLimitEnabled=!1),"number"==typeof b?(this.upperLimit=b,this.upperLimitEnabled=!0):(this.upperLimit=b,this.upperLimitEnabled=!1)},c.prototype.update=function(){var a=this.bodyA,b=this.bodyB,c=this.pivotA,d=this.pivotB,e=this.equations,f=(e[0],e[1],e[0]),g=e[1],m=this.upperLimit,n=this.lowerLimit,o=this.upperLimitEquation,p=this.lowerLimitEquation,q=this.angle=b.angle-a.angle;if(this.upperLimitEnabled&&q>m)o.angle=m,-1===e.indexOf(o)&&e.push(o);else{var r=e.indexOf(o);-1!==r&&e.splice(r,1)}if(this.lowerLimitEnabled&&n>q)p.angle=n,-1===e.indexOf(p)&&e.push(p);else{var r=e.indexOf(p);-1!==r&&e.splice(r,1)}h.rotate(i,c,a.angle),h.rotate(j,d,b.angle),f.G[0]=-1,f.G[1]=0,f.G[2]=-h.crossLength(i,k),f.G[3]=1,f.G[4]=0,f.G[5]=h.crossLength(j,k),g.G[0]=0,g.G[1]=-1,g.G[2]=-h.crossLength(i,l),g.G[3]=0,g.G[4]=1,g.G[5]=h.crossLength(j,l)},c.prototype.enableMotor=function(){this.motorEnabled||(this.equations.push(this.motorEquation),this.motorEnabled=!0)},c.prototype.disableMotor=function(){if(this.motorEnabled){var a=this.equations.indexOf(this.motorEquation);this.equations.splice(a,1),this.motorEnabled=!1}},c.prototype.motorIsEnabled=function(){return!!this.motorEnabled},c.prototype.setMotorSpeed=function(a){if(this.motorEnabled){var b=this.equations.indexOf(this.motorEquation);this.equations[b].relativeVelocity=a}},c.prototype.getMotorSpeed=function(){return this.motorEnabled?this.motorEquation.relativeVelocity:!1}},{"../equations/Equation":23,"../equations/RotationalLockEquation":25,"../equations/RotationalVelocityEquation":26,"../math/vec2":31,"./Constraint":15}],21:[function(a,b){function c(a,b,c){c=c||{},d.call(this,a,b,-Number.MAX_VALUE,Number.MAX_VALUE),this.angle=c.angle||0,this.ratio="number"==typeof c.ratio?c.ratio:1,this.setRatio(this.ratio)}{var d=a("./Equation");a("../math/vec2")}b.exports=c,c.prototype=new d,c.prototype.constructor=c,c.prototype.computeGq=function(){return this.ratio*this.bodyA.angle-this.bodyB.angle+this.angle},c.prototype.setRatio=function(a){var b=this.G;b[2]=a,b[5]=-1,this.ratio=a},c.prototype.setMaxTorque=function(a){this.maxForce=a,this.minForce=-a}},{"../math/vec2":31,"./Equation":23}],22:[function(a,b){function c(a,b){d.call(this,a,b,0,Number.MAX_VALUE),this.contactPointA=e.create(),this.penetrationVec=e.create(),this.contactPointB=e.create(),this.normalA=e.create(),this.restitution=0,this.firstImpact=!1,this.shapeA=null,this.shapeB=null}var d=a("./Equation"),e=a("../math/vec2");b.exports=c,c.prototype=new d,c.prototype.constructor=c,c.prototype.computeB=function(a,b,c){var d=this.bodyA,f=this.bodyB,g=this.contactPointA,h=this.contactPointB,i=d.position,j=f.position,k=this.penetrationVec,l=this.normalA,m=this.G,n=e.crossLength(g,l),o=e.crossLength(h,l);m[0]=-l[0],m[1]=-l[1],m[2]=-n,m[3]=l[0],m[4]=l[1],m[5]=o,e.add(k,j,h),e.sub(k,k,i),e.sub(k,k,g);var p,q;this.firstImpact&&0!==this.restitution?(q=0,p=1/b*(1+this.restitution)*this.computeGW()):(q=e.dot(l,k)+this.offset,p=this.computeGW());var r=this.computeGiMf(),s=-q*a-p*b-c*r;return s}},{"../math/vec2":31,"./Equation":23}],23:[function(a,b){function c(a,b,d,f){this.minForce="undefined"==typeof d?-Number.MAX_VALUE:d,this.maxForce="undefined"==typeof f?Number.MAX_VALUE:f,this.bodyA=a,this.bodyB=b,this.stiffness=c.DEFAULT_STIFFNESS,this.relaxation=c.DEFAULT_RELAXATION,this.G=new e.ARRAY_TYPE(6);for(var g=0;6>g;g++)this.G[g]=0;this.offset=0,this.a=0,this.b=0,this.epsilon=0,this.timeStep=1/60,this.needsUpdate=!0,this.multiplier=0,this.relativeVelocity=0,this.enabled=!0}b.exports=c;{var d=a("../math/vec2"),e=a("../utils/Utils");a("../objects/Body")}c.prototype.constructor=c,c.DEFAULT_STIFFNESS=1e6,c.DEFAULT_RELAXATION=4,c.prototype.update=function(){var a=this.stiffness,b=this.relaxation,c=this.timeStep;this.a=4/(c*(1+4*b)),this.b=4*b/(1+4*b),this.epsilon=4/(c*c*a*(1+4*b)),this.needsUpdate=!1},c.prototype.gmult=function(a,b,c,d,e){return a[0]*b[0]+a[1]*b[1]+a[2]*c+a[3]*d[0]+a[4]*d[1]+a[5]*e},c.prototype.computeB=function(a,b,c){var d=this.computeGW(),e=this.computeGq(),f=this.computeGiMf();return-e*a-d*b-f*c};var f=d.create(),g=d.create();c.prototype.computeGq=function(){var a=this.G,b=this.bodyA,c=this.bodyB,d=(b.position,c.position,b.angle),e=c.angle;return this.gmult(a,f,d,g,e)+this.offset},c.prototype.computeGW=function(){var a=this.G,b=this.bodyA,c=this.bodyB,d=b.velocity,e=c.velocity,f=b.angularVelocity,g=c.angularVelocity;return this.gmult(a,d,f,e,g)+this.relativeVelocity},c.prototype.computeGWlambda=function(){var a=this.G,b=this.bodyA,c=this.bodyB,d=b.vlambda,e=c.vlambda,f=b.wlambda,g=c.wlambda;return this.gmult(a,d,f,e,g)};var h=d.create(),i=d.create();c.prototype.computeGiMf=function(){var a=this.bodyA,b=this.bodyB,c=a.force,e=a.angularForce,f=b.force,g=b.angularForce,j=a.invMassSolve,k=b.invMassSolve,l=a.invInertiaSolve,m=b.invInertiaSolve,n=this.G;return d.scale(h,c,j),d.scale(i,f,k),this.gmult(n,h,e*l,i,g*m)},c.prototype.computeGiMGt=function(){var a=this.bodyA,b=this.bodyB,c=a.invMassSolve,d=b.invMassSolve,e=a.invInertiaSolve,f=b.invInertiaSolve,g=this.G;return g[0]*g[0]*c+g[1]*g[1]*c+g[2]*g[2]*e+g[3]*g[3]*d+g[4]*g[4]*d+g[5]*g[5]*f};{var j=d.create(),k=d.create(),l=d.create();d.create(),d.create(),d.create()}c.prototype.addToWlambda=function(a){var b=this.bodyA,c=this.bodyB,e=j,f=k,g=l,h=b.invMassSolve,i=c.invMassSolve,m=b.invInertiaSolve,n=c.invInertiaSolve,o=this.G;f[0]=o[0],f[1]=o[1],g[0]=o[3],g[1]=o[4],d.scale(e,f,h*a),d.add(b.vlambda,b.vlambda,e),b.wlambda+=m*o[2]*a,d.scale(e,g,i*a),d.add(c.vlambda,c.vlambda,e),c.wlambda+=n*o[5]*a},c.prototype.computeInvC=function(a){return 1/(this.computeGiMGt()+a)}},{"../math/vec2":31,"../objects/Body":32,"../utils/Utils":50}],24:[function(a,b){function c(a,b,c){e.call(this,a,b,-c,c),this.contactPointA=d.create(),this.contactPointB=d.create(),this.t=d.create(),this.contactEquations=[],this.shapeA=null,this.shapeB=null,this.frictionCoefficient=.3}{var d=a("../math/vec2"),e=a("./Equation");a("../utils/Utils")}b.exports=c,c.prototype=new e,c.prototype.constructor=c,c.prototype.setSlipForce=function(a){this.maxForce=a,this.minForce=-a},c.prototype.getSlipForce=function(){return this.maxForce},c.prototype.computeB=function(a,b,c){var e=(this.bodyA,this.bodyB,this.contactPointA),f=this.contactPointB,g=this.t,h=this.G;h[0]=-g[0],h[1]=-g[1],h[2]=-d.crossLength(e,g),h[3]=g[0],h[4]=g[1],h[5]=d.crossLength(f,g);var i=this.computeGW(),j=this.computeGiMf(),k=-i*b-c*j;return k}},{"../math/vec2":31,"../utils/Utils":50,"./Equation":23}],25:[function(a,b){function c(a,b,c){c=c||{},d.call(this,a,b,-Number.MAX_VALUE,Number.MAX_VALUE),this.angle=c.angle||0;var e=this.G;e[2]=1,e[5]=-1}var d=a("./Equation"),e=a("../math/vec2");b.exports=c,c.prototype=new d,c.prototype.constructor=c;var f=e.create(),g=e.create(),h=e.fromValues(1,0),i=e.fromValues(0,1);c.prototype.computeGq=function(){return e.rotate(f,h,this.bodyA.angle+this.angle),e.rotate(g,i,this.bodyB.angle),e.dot(f,g)}},{"../math/vec2":31,"./Equation":23}],26:[function(a,b){function c(a,b){d.call(this,a,b,-Number.MAX_VALUE,Number.MAX_VALUE),this.relativeVelocity=1,this.ratio=1}{var d=a("./Equation");a("../math/vec2")}b.exports=c,c.prototype=new d,c.prototype.constructor=c,c.prototype.computeB=function(a,b,c){var d=this.G;d[2]=-1,d[5]=this.ratio;var e=this.computeGiMf(),f=this.computeGW(),g=-f*b-c*e;return g}},{"../math/vec2":31,"./Equation":23}],27:[function(a,b){var c=function(){};b.exports=c,c.prototype={constructor:c,on:function(a,b,c){b.context=c||this,void 0===this._listeners&&(this._listeners={});var d=this._listeners;return void 0===d[a]&&(d[a]=[]),-1===d[a].indexOf(b)&&d[a].push(b),this},has:function(a,b){if(void 0===this._listeners)return!1;var c=this._listeners;if(b){if(void 0!==c[a]&&-1!==c[a].indexOf(b))return!0}else if(void 0!==c[a])return!0;return!1},off:function(a,b){if(void 0===this._listeners)return this;var c=this._listeners,d=c[a].indexOf(b);return-1!==d&&c[a].splice(d,1),this},emit:function(a){if(void 0===this._listeners)return this;var b=this._listeners,c=b[a.type];if(void 0!==c){a.target=this;for(var d=0,e=c.length;e>d;d++){var f=c[d];f.call(f.context,a)}}return this}}},{}],28:[function(a,b){function c(a,b,f){if(f=f||{},!(a instanceof d&&b instanceof d))throw new Error("First two arguments must be Material instances.");this.id=c.idCounter++,this.materialA=a,this.materialB=b,this.friction="undefined"!=typeof f.friction?Number(f.friction):.3,this.restitution="undefined"!=typeof f.restitution?Number(f.restitution):0,this.stiffness="undefined"!=typeof f.stiffness?Number(f.stiffness):e.DEFAULT_STIFFNESS,this.relaxation="undefined"!=typeof f.relaxation?Number(f.relaxation):e.DEFAULT_RELAXATION,this.frictionStiffness="undefined"!=typeof f.frictionStiffness?Number(f.frictionStiffness):e.DEFAULT_STIFFNESS,this.frictionRelaxation="undefined"!=typeof f.frictionRelaxation?Number(f.frictionRelaxation):e.DEFAULT_RELAXATION,this.surfaceVelocity="undefined"!=typeof f.surfaceVelocity?Number(f.surfaceVelocity):0,this.contactSkinSize=.005}var d=a("./Material"),e=a("../equations/Equation");b.exports=c,c.idCounter=0},{"../equations/Equation":23,"./Material":29}],29:[function(a,b){function c(a){this.id=a||c.idCounter++}b.exports=c,c.idCounter=0},{}],30:[function(a,b){var c={};c.GetArea=function(a){if(a.length<6)return 0;for(var b=a.length-2,c=0,d=0;b>d;d+=2)c+=(a[d+2]-a[d])*(a[d+1]+a[d+3]);return c+=(a[0]-a[b])*(a[b+1]+a[1]),.5*-c},c.Triangulate=function(a){var b=a.length>>1;if(3>b)return[];for(var d=[],e=[],f=0;b>f;f++)e.push(f);for(var f=0,g=b;g>3;){var h=e[(f+0)%g],i=e[(f+1)%g],j=e[(f+2)%g],k=a[2*h],l=a[2*h+1],m=a[2*i],n=a[2*i+1],o=a[2*j],p=a[2*j+1],q=!1;if(c._convex(k,l,m,n,o,p)){q=!0;for(var r=0;g>r;r++){var s=e[r];if(s!=h&&s!=i&&s!=j&&c._PointInTriangle(a[2*s],a[2*s+1],k,l,m,n,o,p)){q=!1;break}}}if(q)d.push(h,i,j),e.splice((f+1)%g,1),g--,f=0;else if(f++>3*g)break}return d.push(e[0],e[1],e[2]),d},c._PointInTriangle=function(a,b,c,d,e,f,g,h){var i=g-c,j=h-d,k=e-c,l=f-d,m=a-c,n=b-d,o=i*i+j*j,p=i*k+j*l,q=i*m+j*n,r=k*k+l*l,s=k*m+l*n,t=1/(o*r-p*p),u=(r*q-p*s)*t,v=(o*s-p*q)*t;return u>=0&&v>=0&&1>u+v},c._convex=function(a,b,c,d,e,f){return(b-d)*(e-c)+(c-a)*(f-d)>=0},b.exports=c},{}],31:[function(a,b){var c=b.exports={},d=a("../utils/Utils");c.crossLength=function(a,b){return a[0]*b[1]-a[1]*b[0]},c.crossVZ=function(a,b,d){return c.rotate(a,b,-Math.PI/2),c.scale(a,a,d),a},c.crossZV=function(a,b,d){return c.rotate(a,d,Math.PI/2),c.scale(a,a,b),a},c.rotate=function(a,b,c){if(0!==c){var d=Math.cos(c),e=Math.sin(c),f=b[0],g=b[1];a[0]=d*f-e*g,a[1]=e*f+d*g}else a[0]=b[0],a[1]=b[1]},c.rotate90cw=function(a,b){var c=b[0],d=b[1];a[0]=d,a[1]=-c},c.toLocalFrame=function(a,b,d,e){c.copy(a,b),c.sub(a,a,d),c.rotate(a,a,-e)},c.toGlobalFrame=function(a,b,d,e){c.copy(a,b),c.rotate(a,a,e),c.add(a,a,d)
+},c.centroid=function(a,b,d,e){return c.add(a,b,d),c.add(a,a,e),c.scale(a,a,1/3),a},c.create=function(){var a=new d.ARRAY_TYPE(2);return a[0]=0,a[1]=0,a},c.clone=function(a){var b=new d.ARRAY_TYPE(2);return b[0]=a[0],b[1]=a[1],b},c.fromValues=function(a,b){var c=new d.ARRAY_TYPE(2);return c[0]=a,c[1]=b,c},c.copy=function(a,b){return a[0]=b[0],a[1]=b[1],a},c.set=function(a,b,c){return a[0]=b,a[1]=c,a},c.add=function(a,b,c){return a[0]=b[0]+c[0],a[1]=b[1]+c[1],a},c.subtract=function(a,b,c){return a[0]=b[0]-c[0],a[1]=b[1]-c[1],a},c.sub=c.subtract,c.multiply=function(a,b,c){return a[0]=b[0]*c[0],a[1]=b[1]*c[1],a},c.mul=c.multiply,c.divide=function(a,b,c){return a[0]=b[0]/c[0],a[1]=b[1]/c[1],a},c.div=c.divide,c.scale=function(a,b,c){return a[0]=b[0]*c,a[1]=b[1]*c,a},c.distance=function(a,b){var c=b[0]-a[0],d=b[1]-a[1];return Math.sqrt(c*c+d*d)},c.dist=c.distance,c.squaredDistance=function(a,b){var c=b[0]-a[0],d=b[1]-a[1];return c*c+d*d},c.sqrDist=c.squaredDistance,c.length=function(a){var b=a[0],c=a[1];return Math.sqrt(b*b+c*c)},c.len=c.length,c.squaredLength=function(a){var b=a[0],c=a[1];return b*b+c*c},c.sqrLen=c.squaredLength,c.negate=function(a,b){return a[0]=-b[0],a[1]=-b[1],a},c.normalize=function(a,b){var c=b[0],d=b[1],e=c*c+d*d;return e>0&&(e=1/Math.sqrt(e),a[0]=b[0]*e,a[1]=b[1]*e),a},c.dot=function(a,b){return a[0]*b[0]+a[1]*b[1]},c.str=function(a){return"vec2("+a[0]+", "+a[1]+")"},c.lerp=function(a,b,c,d){var e=b[0],f=b[1];return a[0]=e+d*(c[0]-e),a[1]=f+d*(c[1]-f),a}},{"../utils/Utils":50}],32:[function(a,b){function c(a){a=a||{},h.call(this),this.id=++c._idCounter,this.world=null,this.shapes=[],this.shapeOffsets=[],this.shapeAngles=[],this.mass=a.mass||0,this.invMass=0,this.inertia=0,this.invInertia=0,this.invMassSolve=0,this.invInertiaSolve=0,this.fixedRotation=!!a.fixedRotation,this.position=d.fromValues(0,0),a.position&&d.copy(this.position,a.position),this.interpolatedPosition=d.fromValues(0,0),this.interpolatedAngle=0,this.previousPosition=d.fromValues(0,0),this.previousAngle=0,this.velocity=d.fromValues(0,0),a.velocity&&d.copy(this.velocity,a.velocity),this.vlambda=d.fromValues(0,0),this.wlambda=0,this.angle=a.angle||0,this.angularVelocity=a.angularVelocity||0,this.force=d.create(),a.force&&d.copy(this.force,a.force),this.angularForce=a.angularForce||0,this.damping="number"==typeof a.damping?a.damping:.1,this.angularDamping="number"==typeof a.angularDamping?a.angularDamping:.1,this.type=c.STATIC,this.type="undefined"!=typeof a.type?a.type:a.mass?c.DYNAMIC:c.STATIC,this.boundingRadius=0,this.aabb=new g,this.aabbNeedsUpdate=!0,this.allowSleep=!0,this.wantsToSleep=!1,this.sleepState=c.AWAKE,this.sleepSpeedLimit=.2,this.sleepTimeLimit=1,this.gravityScale=1,this.collisionResponse=!0,this.idleTime=0,this.timeLastSleepy=0,this.ccdSpeedThreshold=void 0!==a.ccdSpeedThreshold?a.ccdSpeedThreshold:-1,this.ccdIterations=void 0!==a.ccdIterations?a.ccdIterations:10,this.concavePath=null,this._wakeUpAfterNarrowphase=!1,this.updateMassProperties()}var d=a("../math/vec2"),e=a("poly-decomp"),f=a("../shapes/Convex"),g=a("../collision/AABB"),h=a("../events/EventEmitter");b.exports=c,c.prototype=new h,c.prototype.constructor=c,c._idCounter=0,c.prototype.updateSolveMassProperties=function(){this.sleepState===c.SLEEPING||this.type===c.KINEMATIC?(this.invMassSolve=0,this.invInertiaSolve=0):(this.invMassSolve=this.invMass,this.invInertiaSolve=this.invInertia)},c.prototype.setDensity=function(a){var b=this.getArea();this.mass=b*a,this.updateMassProperties()},c.prototype.getArea=function(){for(var a=0,b=0;b<this.shapes.length;b++)a+=this.shapes[b].area;return a},c.prototype.getAABB=function(){return this.aabbNeedsUpdate&&this.updateAABB(),this.aabb};var i=new g,j=d.create();c.prototype.updateAABB=function(){for(var a=this.shapes,b=this.shapeOffsets,c=this.shapeAngles,e=a.length,f=j,g=this.angle,h=0;h!==e;h++){var k=a[h],l=c[h]+g;d.rotate(f,b[h],g),d.add(f,f,this.position),k.computeAABB(i,f,l),0===h?this.aabb.copy(i):this.aabb.extend(i)}this.aabbNeedsUpdate=!1},c.prototype.updateBoundingRadius=function(){for(var a=this.shapes,b=this.shapeOffsets,c=a.length,e=0,f=0;f!==c;f++){var g=a[f],h=d.length(b[f]),i=g.boundingRadius;h+i>e&&(e=h+i)}this.boundingRadius=e},c.prototype.addShape=function(a,b,c){c=c||0,b=b?d.fromValues(b[0],b[1]):d.fromValues(0,0),this.shapes.push(a),this.shapeOffsets.push(b),this.shapeAngles.push(c),this.updateMassProperties(),this.updateBoundingRadius(),this.aabbNeedsUpdate=!0},c.prototype.removeShape=function(a){var b=this.shapes.indexOf(a);return-1!==b?(this.shapes.splice(b,1),this.shapeOffsets.splice(b,1),this.shapeAngles.splice(b,1),this.aabbNeedsUpdate=!0,!0):!1},c.prototype.updateMassProperties=function(){if(this.type===c.STATIC||this.type===c.KINEMATIC)this.mass=Number.MAX_VALUE,this.invMass=0,this.inertia=Number.MAX_VALUE,this.invInertia=0;else{var a=this.shapes,b=a.length,e=this.mass/b,f=0;if(this.fixedRotation)this.inertia=Number.MAX_VALUE,this.invInertia=0;else{for(var g=0;b>g;g++){var h=a[g],i=d.squaredLength(this.shapeOffsets[g]),j=h.computeMomentOfInertia(e);f+=j+e*i}this.inertia=f,this.invInertia=f>0?1/f:0}this.invMass=1/this.mass}};var k=d.create();c.prototype.applyForce=function(a,b){var c=k;d.sub(c,b,this.position),d.add(this.force,this.force,a);var e=d.crossLength(c,a);this.angularForce+=e},c.prototype.toLocalFrame=function(a,b){d.toLocalFrame(a,b,this.position,this.angle)},c.prototype.toWorldFrame=function(a,b){d.toGlobalFrame(a,b,this.position,this.angle)},c.prototype.fromPolygon=function(a,b){b=b||{};for(var c=this.shapes.length;c>=0;--c)this.removeShape(this.shapes[c]);var g=new e.Polygon;if(g.vertices=a,g.makeCCW(),"number"==typeof b.removeCollinearPoints&&g.removeCollinearPoints(b.removeCollinearPoints),"undefined"==typeof b.skipSimpleCheck&&!g.isSimple())return!1;this.concavePath=g.vertices.slice(0);for(var c=0;c<this.concavePath.length;c++){var h=[0,0];d.copy(h,this.concavePath[c]),this.concavePath[c]=h}var i;i=b.optimalDecomp?g.decomp():g.quickDecomp();for(var j=d.create(),c=0;c!==i.length;c++){for(var k=new f(i[c].vertices),l=0;l!==k.vertices.length;l++){var h=k.vertices[l];d.sub(h,h,k.centerOfMass)}d.scale(j,k.centerOfMass,1),k.updateTriangles(),k.updateCenterOfMass(),k.updateBoundingRadius(),this.addShape(k,j)}return this.adjustCenterOfMass(),this.aabbNeedsUpdate=!0,!0};var l=(d.fromValues(0,0),d.fromValues(0,0)),m=d.fromValues(0,0),n=d.fromValues(0,0);c.prototype.adjustCenterOfMass=function(){var a=l,b=m,c=n,e=0;d.set(b,0,0);for(var f=0;f!==this.shapes.length;f++){var g=this.shapes[f],h=this.shapeOffsets[f];d.scale(a,h,g.area),d.add(b,b,a),e+=g.area}d.scale(c,b,1/e);for(var f=0;f!==this.shapes.length;f++){var g=this.shapes[f],h=this.shapeOffsets[f];h||(h=this.shapeOffsets[f]=d.create()),d.sub(h,h,c)}d.add(this.position,this.position,c);for(var f=0;this.concavePath&&f<this.concavePath.length;f++)d.sub(this.concavePath[f],this.concavePath[f],c);this.updateMassProperties(),this.updateBoundingRadius()},c.prototype.setZeroForce=function(){d.set(this.force,0,0),this.angularForce=0},c.prototype.resetConstraintVelocity=function(){var a=this,b=a.vlambda;d.set(b,0,0),a.wlambda=0},c.prototype.addConstraintVelocity=function(){var a=this,b=a.velocity;d.add(b,b,a.vlambda),a.angularVelocity+=a.wlambda},c.prototype.applyDamping=function(a){if(this.type===c.DYNAMIC){var b=this.velocity;d.scale(b,b,Math.pow(1-this.damping,a)),this.angularVelocity*=Math.pow(1-this.angularDamping,a)}},c.prototype.wakeUp=function(){var a=this.sleepState;this.sleepState=c.AWAKE,this.idleTime=0,a!==c.AWAKE&&this.emit(c.wakeUpEvent)},c.prototype.sleep=function(){this.sleepState=c.SLEEPING,this.angularVelocity=0,this.angularForce=0,d.set(this.velocity,0,0),d.set(this.force,0,0),this.emit(c.sleepEvent)},c.prototype.sleepTick=function(a,b,e){if(this.allowSleep&&this.type!==c.SLEEPING){this.wantsToSleep=!1;var f=(this.sleepState,d.squaredLength(this.velocity)+Math.pow(this.angularVelocity,2)),g=Math.pow(this.sleepSpeedLimit,2);f>=g?(this.idleTime=0,this.sleepState=c.AWAKE):(this.idleTime+=e,this.sleepState=c.SLEEPY),this.idleTime>this.sleepTimeLimit&&(b?this.wantsToSleep=!0:this.sleep())}},c.prototype.getVelocityFromPosition=function(a,b){return a=a||d.create(),d.sub(a,this.position,this.previousPosition),d.scale(a,a,1/b),a},c.prototype.getAngularVelocityFromPosition=function(a){return(this.angle-this.previousAngle)/a},c.prototype.overlaps=function(a){return this.world.overlapKeeper.bodiesAreOverlapping(this,a)};var o=d.create(),p=d.create();c.prototype.integrate=function(a){var b=this.invMass,c=this.force,e=this.position,f=this.velocity;d.copy(this.previousPosition,this.position),this.previousAngle=this.angle,this.fixedRotation||(this.angularVelocity+=this.angularForce*this.invInertia*a),d.scale(o,c,a*b),d.add(f,o,f),this.integrateToTimeOfImpact(a)||(d.scale(p,f,a),d.add(e,e,p),this.fixedRotation||(this.angle+=this.angularVelocity*a)),this.aabbNeedsUpdate=!0};var q=d.create(),r=d.create(),s=d.create(),t=d.create();c.prototype.integrateToTimeOfImpact=function(a){if(this.ccdSpeedThreshold<0||d.squaredLength(this.velocity)<Math.pow(this.ccdSpeedThreshold,2))return!1;d.normalize(q,this.velocity),d.scale(r,this.velocity,a),d.add(r,r,this.position),d.sub(s,r,this.position);var b,c=this.angularVelocity*a,e=d.length(s),f=1,g=this;if(this.world.raycastAll(this.position,r,{},function(a){a.body!==g&&(b=a.body,d.copy(r,a.hitPointWorld),d.sub(s,a.hitPointWorld,g.position),f=d.length(s)/e,a.abort())}),!b)return!1;var h=this.angle;d.copy(t,this.position);for(var i=0,j=0,k=0,l=f;l>=j&&i<this.ccdIterations;){i++,k=(l-j)/2,d.scale(p,s,f),d.add(this.position,t,p),this.angle=h+c*f,this.updateAABB();var m=this.aabb.overlaps(b.aabb)&&this.world.narrowphase.bodiesOverlap(this,b);m?j=k:l=k}return f=k,d.copy(this.position,t),this.angle=h,d.scale(p,s,f),d.add(this.position,this.position,p),this.fixedRotation||(this.angle+=c*f),!0},c.sleepyEvent={type:"sleepy"},c.sleepEvent={type:"sleep"},c.wakeUpEvent={type:"wakeup"},c.DYNAMIC=1,c.STATIC=2,c.KINEMATIC=4,c.AWAKE=0,c.SLEEPY=1,c.SLEEPING=2},{"../collision/AABB":7,"../events/EventEmitter":27,"../math/vec2":31,"../shapes/Convex":39,"poly-decomp":5}],33:[function(a,b){function c(a,b,c){c=c||{},e.call(this,a,b,c),this.localAnchorA=d.fromValues(0,0),this.localAnchorB=d.fromValues(0,0),c.localAnchorA&&d.copy(this.localAnchorA,c.localAnchorA),c.localAnchorB&&d.copy(this.localAnchorB,c.localAnchorB),c.worldAnchorA&&this.setWorldAnchorA(c.worldAnchorA),c.worldAnchorB&&this.setWorldAnchorB(c.worldAnchorB);var f=d.create(),g=d.create();this.getWorldAnchorA(f),this.getWorldAnchorB(g);var h=d.distance(f,g);this.restLength="number"==typeof c.restLength?c.restLength:h}{var d=a("../math/vec2"),e=a("./Spring");a("../utils/Utils")}b.exports=c,c.prototype=new e,c.prototype.constructor=c,c.prototype.setWorldAnchorA=function(a){this.bodyA.toLocalFrame(this.localAnchorA,a)},c.prototype.setWorldAnchorB=function(a){this.bodyB.toLocalFrame(this.localAnchorB,a)},c.prototype.getWorldAnchorA=function(a){this.bodyA.toWorldFrame(a,this.localAnchorA)},c.prototype.getWorldAnchorB=function(a){this.bodyB.toWorldFrame(a,this.localAnchorB)};var f=d.create(),g=d.create(),h=d.create(),i=d.create(),j=d.create(),k=d.create(),l=d.create(),m=d.create(),n=d.create();c.prototype.applyForce=function(){var a=this.stiffness,b=this.damping,c=this.restLength,e=this.bodyA,o=this.bodyB,p=f,q=g,r=h,s=i,t=n,u=j,v=k,w=l,x=m;this.getWorldAnchorA(u),this.getWorldAnchorB(v),d.sub(w,u,e.position),d.sub(x,v,o.position),d.sub(p,v,u);var y=d.len(p);d.normalize(q,p),d.sub(r,o.velocity,e.velocity),d.crossZV(t,o.angularVelocity,x),d.add(r,r,t),d.crossZV(t,e.angularVelocity,w),d.sub(r,r,t),d.scale(s,q,-a*(y-c)-b*d.dot(r,q)),d.sub(e.force,e.force,s),d.add(o.force,o.force,s);var z=d.crossLength(w,s),A=d.crossLength(x,s);e.angularForce-=z,o.angularForce+=A}},{"../math/vec2":31,"../utils/Utils":50,"./Spring":35}],34:[function(a,b){function c(a,b,c){c=c||{},d.call(this,a,b,c),this.restAngle="number"==typeof c.restAngle?c.restAngle:b.angle-a.angle}var d=(a("../math/vec2"),a("./Spring"));b.exports=c,c.prototype=new d,c.prototype.constructor=c,c.prototype.applyForce=function(){var a=this.stiffness,b=this.damping,c=this.restAngle,d=this.bodyA,e=this.bodyB,f=e.angle-d.angle,g=e.angularVelocity-d.angularVelocity,h=-a*(f-c)-b*g*0;d.angularForce-=h,e.angularForce+=h}},{"../math/vec2":31,"./Spring":35}],35:[function(a,b){function c(a,b,c){c=d.defaults(c,{stiffness:100,damping:1}),this.stiffness=c.stiffness,this.damping=c.damping,this.bodyA=a,this.bodyB=b}var d=(a("../math/vec2"),a("../utils/Utils"));b.exports=c,c.prototype.applyForce=function(){}},{"../math/vec2":31,"../utils/Utils":50}],36:[function(a,b){b.exports={AABB:a("./collision/AABB"),AngleLockEquation:a("./equations/AngleLockEquation"),Body:a("./objects/Body"),Broadphase:a("./collision/Broadphase"),Capsule:a("./shapes/Capsule"),Circle:a("./shapes/Circle"),Constraint:a("./constraints/Constraint"),ContactEquation:a("./equations/ContactEquation"),ContactMaterial:a("./material/ContactMaterial"),Convex:a("./shapes/Convex"),DistanceConstraint:a("./constraints/DistanceConstraint"),Equation:a("./equations/Equation"),EventEmitter:a("./events/EventEmitter"),FrictionEquation:a("./equations/FrictionEquation"),GearConstraint:a("./constraints/GearConstraint"),GridBroadphase:a("./collision/GridBroadphase"),GSSolver:a("./solver/GSSolver"),Heightfield:a("./shapes/Heightfield"),Line:a("./shapes/Line"),LockConstraint:a("./constraints/LockConstraint"),Material:a("./material/Material"),Narrowphase:a("./collision/Narrowphase"),NaiveBroadphase:a("./collision/NaiveBroadphase"),Particle:a("./shapes/Particle"),Plane:a("./shapes/Plane"),RevoluteConstraint:a("./constraints/RevoluteConstraint"),PrismaticConstraint:a("./constraints/PrismaticConstraint"),Ray:a("./collision/Ray"),RaycastResult:a("./collision/RaycastResult"),Rectangle:a("./shapes/Rectangle"),RotationalVelocityEquation:a("./equations/RotationalVelocityEquation"),SAPBroadphase:a("./collision/SAPBroadphase"),Shape:a("./shapes/Shape"),Solver:a("./solver/Solver"),Spring:a("./objects/Spring"),LinearSpring:a("./objects/LinearSpring"),RotationalSpring:a("./objects/RotationalSpring"),Utils:a("./utils/Utils"),World:a("./world/World"),vec2:a("./math/vec2"),version:a("../package.json").version}},{"../package.json":6,"./collision/AABB":7,"./collision/Broadphase":8,"./collision/GridBroadphase":9,"./collision/NaiveBroadphase":10,"./collision/Narrowphase":11,"./collision/Ray":12,"./collision/RaycastResult":13,"./collision/SAPBroadphase":14,"./constraints/Constraint":15,"./constraints/DistanceConstraint":16,"./constraints/GearConstraint":17,"./constraints/LockConstraint":18,"./constraints/PrismaticConstraint":19,"./constraints/RevoluteConstraint":20,"./equations/AngleLockEquation":21,"./equations/ContactEquation":22,"./equations/Equation":23,"./equations/FrictionEquation":24,"./equations/RotationalVelocityEquation":26,"./events/EventEmitter":27,"./material/ContactMaterial":28,"./material/Material":29,"./math/vec2":31,"./objects/Body":32,"./objects/LinearSpring":33,"./objects/RotationalSpring":34,"./objects/Spring":35,"./shapes/Capsule":37,"./shapes/Circle":38,"./shapes/Convex":39,"./shapes/Heightfield":40,"./shapes/Line":41,"./shapes/Particle":42,"./shapes/Plane":43,"./shapes/Rectangle":44,"./shapes/Shape":45,"./solver/GSSolver":46,"./solver/Solver":47,"./utils/Utils":50,"./world/World":54}],37:[function(a,b){function c(a,b){this.length=a||1,this.radius=b||1,d.call(this,d.CAPSULE)}var d=a("./Shape"),e=a("../math/vec2");b.exports=c,c.prototype=new d,c.prototype.constructor=c,c.prototype.computeMomentOfInertia=function(a){var b=this.radius,c=this.length+b,d=2*b;return a*(d*d+c*c)/12},c.prototype.updateBoundingRadius=function(){this.boundingRadius=this.radius+this.length/2},c.prototype.updateArea=function(){this.area=Math.PI*this.radius*this.radius+2*this.radius*this.length};var f=e.create();c.prototype.computeAABB=function(a,b,c){var d=this.radius;e.set(f,this.length/2,0),0!==c&&e.rotate(f,f,c),e.set(a.upperBound,Math.max(f[0]+d,-f[0]+d),Math.max(f[1]+d,-f[1]+d)),e.set(a.lowerBound,Math.min(f[0]-d,-f[0]-d),Math.min(f[1]-d,-f[1]-d)),e.add(a.lowerBound,a.lowerBound,b),e.add(a.upperBound,a.upperBound,b)}},{"../math/vec2":31,"./Shape":45}],38:[function(a,b){function c(a){this.radius=a||1,d.call(this,d.CIRCLE)}var d=a("./Shape"),e=a("../math/vec2");b.exports=c,c.prototype=new d,c.prototype.constructor=c,c.prototype.computeMomentOfInertia=function(a){var b=this.radius;return a*b*b/2},c.prototype.updateBoundingRadius=function(){this.boundingRadius=this.radius},c.prototype.updateArea=function(){this.area=Math.PI*this.radius*this.radius},c.prototype.computeAABB=function(a,b){var c=this.radius;e.set(a.upperBound,c,c),e.set(a.lowerBound,-c,-c),b&&(e.add(a.lowerBound,a.lowerBound,b),e.add(a.upperBound,a.upperBound,b))}},{"../math/vec2":31,"./Shape":45}],39:[function(a,b){function c(a,b){this.vertices=[],this.axes=[];for(var c=0;c<a.length;c++){var f=e.create();e.copy(f,a[c]),this.vertices.push(f)}if(b)for(var c=0;c<b.length;c++){var g=e.create();e.copy(g,b[c]),this.axes.push(g)}else for(var c=0;c<a.length;c++){var h=a[c],i=a[(c+1)%a.length],j=e.create();e.sub(j,i,h),e.rotate90cw(j,j),e.normalize(j,j),this.axes.push(j)}if(this.centerOfMass=e.fromValues(0,0),this.triangles=[],this.vertices.length&&(this.updateTriangles(),this.updateCenterOfMass()),this.boundingRadius=0,d.call(this,d.CONVEX),this.updateBoundingRadius(),this.updateArea(),this.area<0)throw new Error("Convex vertices must be given in conter-clockwise winding.")}{var d=a("./Shape"),e=a("../math/vec2"),f=a("../math/polyk");a("poly-decomp")}b.exports=c,c.prototype=new d,c.prototype.constructor=c;var g=e.create(),h=e.create();c.prototype.projectOntoLocalAxis=function(a,b){for(var c,d,f=null,h=null,a=g,i=0;i<this.vertices.length;i++)c=this.vertices[i],d=e.dot(c,a),(null===f||d>f)&&(f=d),(null===h||h>d)&&(h=d);if(h>f){var j=h;h=f,f=j}e.set(b,h,f)},c.prototype.projectOntoWorldAxis=function(a,b,c,d){var f=h;this.projectOntoLocalAxis(a,d),0!==c?e.rotate(f,a,c):f=a;var g=e.dot(b,f);e.set(d,d[0]+g,d[1]+g)},c.prototype.updateTriangles=function(){this.triangles.length=0;for(var a=[],b=0;b<this.vertices.length;b++){var c=this.vertices[b];a.push(c[0],c[1])}for(var d=f.Triangulate(a),b=0;b<d.length;b+=3){var e=d[b],g=d[b+1],h=d[b+2];this.triangles.push([e,g,h])}};{var i=e.create(),j=e.create(),k=e.create(),l=e.create(),m=e.create();e.create(),e.create(),e.create(),e.create()}c.prototype.updateCenterOfMass=function(){var a=this.triangles,b=this.vertices,d=this.centerOfMass,f=i,g=k,h=l,n=m,o=j;e.set(d,0,0);for(var p=0,q=0;q!==a.length;q++){var r=a[q],g=b[r[0]],h=b[r[1]],n=b[r[2]];e.centroid(f,g,h,n);var s=c.triangleArea(g,h,n);p+=s,e.scale(o,f,s),e.add(d,d,o)}e.scale(d,d,1/p)},c.prototype.computeMomentOfInertia=function(a){for(var b=0,c=0,d=this.vertices.length,f=d-1,g=0;d>g;f=g,g++){var h=this.vertices[f],i=this.vertices[g],j=Math.abs(e.crossLength(h,i)),k=e.dot(i,i)+e.dot(i,h)+e.dot(h,h);b+=j*k,c+=j}return a/6*(b/c)},c.prototype.updateBoundingRadius=function(){for(var a=this.vertices,b=0,c=0;c!==a.length;c++){var d=e.squaredLength(a[c]);d>b&&(b=d)}this.boundingRadius=Math.sqrt(b)},c.triangleArea=function(a,b,c){return.5*((b[0]-a[0])*(c[1]-a[1])-(c[0]-a[0])*(b[1]-a[1]))},c.prototype.updateArea=function(){this.updateTriangles(),this.area=0;for(var a=this.triangles,b=this.vertices,d=0;d!==a.length;d++){var e=a[d],f=b[e[0]],g=b[e[1]],h=b[e[2]],i=c.triangleArea(f,g,h);this.area+=i}},c.prototype.computeAABB=function(a,b,c){a.setFromPoints(this.vertices,b,c,0)}},{"../math/polyk":30,"../math/vec2":31,"./Shape":45,"poly-decomp":5}],40:[function(a,b){function c(a,b){if(b=e.defaults(b,{maxValue:null,minValue:null,elementWidth:.1}),null===b.minValue||null===b.maxValue){b.maxValue=a[0],b.minValue=a[0];for(var c=0;c!==a.length;c++){var f=a[c];f>b.maxValue&&(b.maxValue=f),f<b.minValue&&(b.minValue=f)}}this.data=a,this.maxValue=b.maxValue,this.minValue=b.minValue,this.elementWidth=b.elementWidth,d.call(this,d.HEIGHTFIELD)}var d=a("./Shape"),e=(a("../math/vec2"),a("../utils/Utils"));b.exports=c,c.prototype=new d,c.prototype.constructor=c,c.prototype.computeMomentOfInertia=function(){return Number.MAX_VALUE},c.prototype.updateBoundingRadius=function(){this.boundingRadius=Number.MAX_VALUE},c.prototype.updateArea=function(){for(var a=this.data,b=0,c=0;c<a.length-1;c++)b+=(a[c]+a[c+1])/2*this.elementWidth;this.area=b},c.prototype.computeAABB=function(a,b){a.upperBound[0]=this.elementWidth*this.data.length+b[0],a.upperBound[1]=this.maxValue+b[1],a.lowerBound[0]=b[0],a.lowerBound[1]=-Number.MAX_VALUE}},{"../math/vec2":31,"../utils/Utils":50,"./Shape":45}],41:[function(a,b){function c(a){this.length=a||1,d.call(this,d.LINE)}var d=a("./Shape"),e=a("../math/vec2");b.exports=c,c.prototype=new d,c.prototype.constructor=c,c.prototype.computeMomentOfInertia=function(a){return a*Math.pow(this.length,2)/12},c.prototype.updateBoundingRadius=function(){this.boundingRadius=this.length/2};var f=[e.create(),e.create()];c.prototype.computeAABB=function(a,b,c){var d=this.length/2;e.set(f[0],-d,0),e.set(f[1],d,0),a.setFromPoints(f,b,c,0)}},{"../math/vec2":31,"./Shape":45}],42:[function(a,b){function c(){d.call(this,d.PARTICLE)}var d=a("./Shape"),e=a("../math/vec2");b.exports=c,c.prototype=new d,c.prototype.constructor=c,c.prototype.computeMomentOfInertia=function(){return 0},c.prototype.updateBoundingRadius=function(){this.boundingRadius=0},c.prototype.computeAABB=function(a,b){e.copy(a.lowerBound,b),e.copy(a.upperBound,b)}},{"../math/vec2":31,"./Shape":45}],43:[function(a,b){function c(){d.call(this,d.PLANE)}{var d=a("./Shape"),e=a("../math/vec2");a("../utils/Utils")}b.exports=c,c.prototype=new d,c.prototype.constructor=c,c.prototype.computeMomentOfInertia=function(){return 0},c.prototype.updateBoundingRadius=function(){this.boundingRadius=Number.MAX_VALUE},c.prototype.computeAABB=function(a,b,c){var d=0,f=e.set;"number"==typeof c&&(d=c%(2*Math.PI)),0===d?(f(a.lowerBound,-Number.MAX_VALUE,-Number.MAX_VALUE),f(a.upperBound,Number.MAX_VALUE,0)):d===Math.PI/2?(f(a.lowerBound,0,-Number.MAX_VALUE),f(a.upperBound,Number.MAX_VALUE,Number.MAX_VALUE)):d===Math.PI?(f(a.lowerBound,-Number.MAX_VALUE,0),f(a.upperBound,Number.MAX_VALUE,Number.MAX_VALUE)):d===3*Math.PI/2?(f(a.lowerBound,-Number.MAX_VALUE,-Number.MAX_VALUE),f(a.upperBound,0,Number.MAX_VALUE)):(f(a.lowerBound,-Number.MAX_VALUE,-Number.MAX_VALUE),f(a.upperBound,Number.MAX_VALUE,Number.MAX_VALUE)),e.add(a.lowerBound,a.lowerBound,b),e.add(a.upperBound,a.upperBound,b)},c.prototype.updateArea=function(){this.area=Number.MAX_VALUE}},{"../math/vec2":31,"../utils/Utils":50,"./Shape":45}],44:[function(a,b){function c(a,b){this.width=a||1,this.height=b||1;var c=[d.fromValues(-a/2,-b/2),d.fromValues(a/2,-b/2),d.fromValues(a/2,b/2),d.fromValues(-a/2,b/2)],g=[d.fromValues(1,0),d.fromValues(0,1)];f.call(this,c,g),this.type=e.RECTANGLE}var d=a("../math/vec2"),e=a("./Shape"),f=a("./Convex");b.exports=c,c.prototype=new f([]),c.prototype.constructor=c,c.prototype.computeMomentOfInertia=function(a){var b=this.width,c=this.height;return a*(c*c+b*b)/12},c.prototype.updateBoundingRadius=function(){var a=this.width,b=this.height;this.boundingRadius=Math.sqrt(a*a+b*b)/2};d.create(),d.create(),d.create(),d.create();c.prototype.computeAABB=function(a,b,c){a.setFromPoints(this.vertices,b,c,0)},c.prototype.updateArea=function(){this.area=this.width*this.height}},{"../math/vec2":31,"./Convex":39,"./Shape":45}],45:[function(a,b){function c(a){this.type=a,this.id=c.idCounter++,this.boundingRadius=0,this.collisionGroup=1,this.collisionResponse=!0,this.collisionMask=1,a&&this.updateBoundingRadius(),this.material=null,this.area=0,this.sensor=!1,this.updateArea()}b.exports=c,c.idCounter=0,c.CIRCLE=1,c.PARTICLE=2,c.PLANE=4,c.CONVEX=8,c.LINE=16,c.RECTANGLE=32,c.CAPSULE=64,c.HEIGHTFIELD=128,c.prototype.computeMomentOfInertia=function(){throw new Error("Shape.computeMomentOfInertia is not implemented in this Shape...")},c.prototype.updateBoundingRadius=function(){throw new Error("Shape.updateBoundingRadius is not implemented in this Shape...")},c.prototype.updateArea=function(){},c.prototype.computeAABB=function(){}},{}],46:[function(a,b){function c(a){f.call(this,a,f.GS),a=a||{},this.iterations=a.iterations||10,this.tolerance=a.tolerance||1e-10,this.arrayStep=30,this.lambda=new g.ARRAY_TYPE(this.arrayStep),this.Bs=new g.ARRAY_TYPE(this.arrayStep),this.invCs=new g.ARRAY_TYPE(this.arrayStep),this.useZeroRHS=!1,this.frictionIterations=0,this.usedIterations=0}function d(a){for(var b=a.length;b--;)a[b]=0}var e=a("../math/vec2"),f=a("./Solver"),g=a("../utils/Utils"),h=a("../equations/FrictionEquation");b.exports=c,c.prototype=new f,c.prototype.constructor=c,c.prototype.solve=function(a,b){this.sortEquations();var f=0,i=this.iterations,j=this.frictionIterations,k=this.equations,l=k.length,m=Math.pow(this.tolerance*l,2),n=b.bodies,o=b.bodies.length,p=(e.add,e.set,this.useZeroRHS),q=this.lambda;if(this.usedIterations=0,l)for(var r=0;r!==o;r++){var s=n[r];s.updateSolveMassProperties()}q.length<l&&(q=this.lambda=new g.ARRAY_TYPE(l+this.arrayStep),this.Bs=new g.ARRAY_TYPE(l+this.arrayStep),this.invCs=new g.ARRAY_TYPE(l+this.arrayStep)),d(q);for(var t=this.invCs,u=this.Bs,q=this.lambda,r=0;r!==k.length;r++){var v=k[r];(v.timeStep!==a||v.needsUpdate)&&(v.timeStep=a,v.update()),u[r]=v.computeB(v.a,v.b,a),t[r]=v.computeInvC(v.epsilon)}var v,w,r,x;if(0!==l){for(r=0;r!==o;r++){var s=n[r];s.resetConstraintVelocity()}if(j){for(f=0;f!==j;f++){for(w=0,x=0;x!==l;x++){v=k[x];var y=c.iterateEquation(x,v,v.epsilon,u,t,q,p,a,f);w+=Math.abs(y)}if(this.usedIterations++,m>=w*w)break}for(c.updateMultipliers(k,q,1/a),x=0;x!==l;x++){var z=k[x];if(z instanceof h){for(var A=0,B=0;B!==z.contactEquations.length;B++)A+=z.contactEquations[B].multiplier;A*=z.frictionCoefficient/z.contactEquations.length,z.maxForce=A,z.minForce=-A}}}for(f=0;f!==i;f++){for(w=0,x=0;x!==l;x++){v=k[x];var y=c.iterateEquation(x,v,v.epsilon,u,t,q,p,a,f);w+=Math.abs(y)}if(this.usedIterations++,m>=w*w)break}for(r=0;r!==o;r++)n[r].addConstraintVelocity();c.updateMultipliers(k,q,1/a)}},c.updateMultipliers=function(a,b,c){for(var d=a.length;d--;)a[d].multiplier=b[d]*c},c.iterateEquation=function(a,b,c,d,e,f,g,h){var i=d[a],j=e[a],k=f[a],l=b.computeGWlambda(),m=b.maxForce,n=b.minForce;g&&(i=0);var o=j*(i-l-c*k),p=k+o;return n*h>p?o=n*h-k:p>m*h&&(o=m*h-k),f[a]+=o,b.addToWlambda(o),o}},{"../equations/FrictionEquation":24,"../math/vec2":31,"../utils/Utils":50,"./Solver":47}],47:[function(a,b){function c(a,b){a=a||{},d.call(this),this.type=b,this.equations=[],this.equationSortFunction=a.equationSortFunction||!1}var d=(a("../utils/Utils"),a("../events/EventEmitter"));b.exports=c,c.prototype=new d,c.prototype.constructor=c,c.prototype.solve=function(){throw new Error("Solver.solve should be implemented by subclasses!")};var e={bodies:[]};c.prototype.solveIsland=function(a,b){this.removeAllEquations(),b.equations.length&&(this.addEquations(b.equations),e.bodies.length=0,b.getBodies(e.bodies),e.bodies.length&&this.solve(a,e))},c.prototype.sortEquations=function(){this.equationSortFunction&&this.equations.sort(this.equationSortFunction)},c.prototype.addEquation=function(a){a.enabled&&this.equations.push(a)},c.prototype.addEquations=function(a){for(var b=0,c=a.length;b!==c;b++){var d=a[b];d.enabled&&this.equations.push(d)}},c.prototype.removeEquation=function(a){var b=this.equations.indexOf(a);-1!==b&&this.equations.splice(b,1)},c.prototype.removeAllEquations=function(){this.equations.length=0},c.GS=1,c.ISLAND=2},{"../events/EventEmitter":27,"../utils/Utils":50}],48:[function(a,b){function c(){this.overlappingShapesLastState=new e,this.overlappingShapesCurrentState=new e,this.recordPool=[],this.tmpDict=new e,this.tmpArray1=[]}function d(a,b,c,d){this.shapeA=b,this.shapeB=d,this.bodyA=a,this.bodyB=c}{var e=a("./TupleDictionary");a("./Utils")}b.exports=c,c.prototype.tick=function(){for(var a=this.overlappingShapesLastState,b=this.overlappingShapesCurrentState,c=a.keys.length;c--;){var d=a.keys[c],e=a.getByKey(d),f=b.getByKey(d);e&&!f&&this.recordPool.push(e)}a.reset(),a.copy(b),b.reset()},c.prototype.setOverlapping=function(a,b,c,e){var f=(this.overlappingShapesLastState,this.overlappingShapesCurrentState);if(!f.get(b.id,e.id)){var g;this.recordPool.length?(g=this.recordPool.pop(),g.set(a,b,c,e)):g=new d(a,b,c,e),f.set(b.id,e.id,g)}},c.prototype.getNewOverlaps=function(a){return this.getDiff(this.overlappingShapesLastState,this.overlappingShapesCurrentState,a)},c.prototype.getEndOverlaps=function(a){return this.getDiff(this.overlappingShapesCurrentState,this.overlappingShapesLastState,a)},c.prototype.bodiesAreOverlapping=function(a,b){for(var c=this.overlappingShapesCurrentState,d=c.keys.length;d--;){var e=c.keys[d],f=c.data[e];if(f.bodyA===a&&f.bodyB===b||f.bodyA===b&&f.bodyB===a)return!0}return!1},c.prototype.getDiff=function(a,b,c){var c=c||[],d=a,e=b;c.length=0;for(var f=e.keys.length;f--;){var g=e.keys[f],h=e.data[g];if(!h)throw new Error("Key "+g+" had no data!");var i=d.data[g];i||c.push(h)}return c},c.prototype.isNewOverlap=function(a,b){var c=0|a.id,d=0|b.id,e=this.overlappingShapesLastState,f=this.overlappingShapesCurrentState;return!e.get(c,d)&&!!f.get(c,d)},c.prototype.getNewBodyOverlaps=function(a){this.tmpArray1.length=0;var b=this.getNewOverlaps(this.tmpArray1);return this.getBodyDiff(b,a)},c.prototype.getEndBodyOverlaps=function(a){this.tmpArray1.length=0;var b=this.getEndOverlaps(this.tmpArray1);return this.getBodyDiff(b,a)},c.prototype.getBodyDiff=function(a,b){b=b||[];for(var c=this.tmpDict,d=a.length;d--;){var e=a[d];c.set(0|e.bodyA.id,0|e.bodyB.id,e)}for(d=c.keys.length;d--;){var e=c.getByKey(c.keys[d]);e&&b.push(e.bodyA,e.bodyB)}return c.reset(),b},d.prototype.set=function(a,b,c,e){d.call(this,a,b,c,e)}},{"./TupleDictionary":49,"./Utils":50}],49:[function(a,b){function c(){this.data={},this.keys=[]}var d=a("./Utils");b.exports=c,c.prototype.getKey=function(a,b){return a=0|a,b=0|b,(0|a)===(0|b)?-1:0|((0|a)>(0|b)?a<<16|65535&b:b<<16|65535&a)},c.prototype.getByKey=function(a){return a=0|a,this.data[a]},c.prototype.get=function(a,b){return this.data[this.getKey(a,b)]},c.prototype.set=function(a,b,c){if(!c)throw new Error("No data!");var d=this.getKey(a,b);return this.data[d]||this.keys.push(d),this.data[d]=c,d},c.prototype.reset=function(){for(var a=this.data,b=this.keys,c=b.length;c--;)delete a[b[c]];b.length=0},c.prototype.copy=function(a){this.reset(),d.appendArray(this.keys,a.keys);for(var b=a.keys.length;b--;){var c=a.keys[b];this.data[c]=a.data[c]}}},{"./Utils":50}],50:[function(a,b){function c(){}b.exports=c,c.appendArray=function(a,b){if(b.length<15e4)a.push.apply(a,b);else for(var c=0,d=b.length;c!==d;++c)a.push(b[c])},c.splice=function(a,b,c){c=c||1;for(var d=b,e=a.length-c;e>d;d++)a[d]=a[d+c];a.length=e},c.ARRAY_TYPE="undefined"!=typeof P2_ARRAY_TYPE?P2_ARRAY_TYPE:"undefined"!=typeof Float32Array?Float32Array:Array,c.extend=function(a,b){for(var c in b)a[c]=b[c]},c.defaults=function(a,b){a=a||{};for(var c in b)c in a||(a[c]=b[c]);return a}},{}],51:[function(a,b){function c(){this.equations=[],this.bodies=[]}var d=a("../objects/Body");b.exports=c,c.prototype.reset=function(){this.equations.length=this.bodies.length=0};var e=[];c.prototype.getBodies=function(a){var b=a||[],c=this.equations;e.length=0;for(var d=0;d!==c.length;d++){var f=c[d];-1===e.indexOf(f.bodyA.id)&&(b.push(f.bodyA),e.push(f.bodyA.id)),-1===e.indexOf(f.bodyB.id)&&(b.push(f.bodyB),e.push(f.bodyB.id))}return b},c.prototype.wantsToSleep=function(){for(var a=0;a<this.bodies.length;a++){var b=this.bodies[a];if(b.type===d.DYNAMIC&&!b.wantsToSleep)return!1}return!0},c.prototype.sleep=function(){for(var a=0;a<this.bodies.length;a++){var b=this.bodies[a];b.sleep()}return!0}},{"../objects/Body":32}],52:[function(a,b){function c(){this._nodePool=[],this._islandPool=[],this.equations=[],this.islands=[],this.nodes=[],this.queue=[]}var d=(a("../math/vec2"),a("./Island")),e=a("./IslandNode"),f=a("../objects/Body");
+b.exports=c,c.getUnvisitedNode=function(a){for(var b=a.length,c=0;c!==b;c++){var d=a[c];if(!d.visited&&d.body.type===f.DYNAMIC)return d}return!1},c.prototype.visit=function(a,b,c){b.push(a.body);for(var d=a.equations.length,e=0;e!==d;e++){var f=a.equations[e];-1===c.indexOf(f)&&c.push(f)}},c.prototype.bfs=function(a,b,d){var e=this.queue;for(e.length=0,e.push(a),a.visited=!0,this.visit(a,b,d);e.length;)for(var g,h=e.pop();g=c.getUnvisitedNode(h.neighbors);)g.visited=!0,this.visit(g,b,d),g.body.type===f.DYNAMIC&&e.push(g)},c.prototype.split=function(a){for(var b=a.bodies,f=this.nodes,g=this.equations;f.length;)this._nodePool.push(f.pop());for(var h=0;h!==b.length;h++)if(this._nodePool.length){var i=this._nodePool.pop();i.reset(),i.body=b[h],f.push(i)}else f.push(new e(b[h]));for(var j=0;j!==g.length;j++){var k=g[j],h=b.indexOf(k.bodyA),l=b.indexOf(k.bodyB),m=f[h],n=f[l];m.neighbors.push(n),n.neighbors.push(m),m.equations.push(k),n.equations.push(k)}for(var o=this.islands;o.length;){var p=o.pop();p.reset(),this._islandPool.push(p)}for(var q;q=c.getUnvisitedNode(f);){var p=this._islandPool.length?this._islandPool.pop():new d;this.bfs(q,p.bodies,p.equations),o.push(p)}return o}},{"../math/vec2":31,"../objects/Body":32,"./Island":51,"./IslandNode":53}],53:[function(a,b){function c(a){this.body=a,this.neighbors=[],this.equations=[],this.visited=!1}b.exports=c,c.prototype.reset=function(){this.equations.length=0,this.neighbors.length=0,this.visited=!1,this.body=null}},{}],54:[function(a,b){function c(a){l.apply(this),a=a||{},this.springs=[],this.bodies=[],this.disabledBodyCollisionPairs=[],this.solver=a.solver||new d,this.narrowphase=new q(this),this.islandManager=new t,this.gravity=f.fromValues(0,-9.78),a.gravity&&f.copy(this.gravity,a.gravity),this.frictionGravity=f.length(this.gravity)||10,this.useWorldGravityAsFrictionGravity=!0,this.useFrictionGravityOnZeroGravity=!0,this.doProfiling=a.doProfiling||!1,this.lastStepTime=0,this.broadphase=a.broadphase||new p,this.broadphase.setWorld(this),this.constraints=[],this.defaultMaterial=new n,this.defaultContactMaterial=new o(this.defaultMaterial,this.defaultMaterial),this.lastTimeStep=1/60,this.applySpringForces=!0,this.applyDamping=!0,this.applyGravity=!0,this.solveConstraints=!0,this.contactMaterials=[],this.time=0,this.stepping=!1,this.bodiesToBeRemoved=[],this.fixedStepTime=0,this.islandSplit="undefined"!=typeof a.islandSplit?!!a.islandSplit:!1,this.emitImpactEvent=!0,this._constraintIdCounter=0,this._bodyIdCounter=0,this.postStepEvent={type:"postStep"},this.addBodyEvent={type:"addBody",body:null},this.removeBodyEvent={type:"removeBody",body:null},this.addSpringEvent={type:"addSpring",spring:null},this.impactEvent={type:"impact",bodyA:null,bodyB:null,shapeA:null,shapeB:null,contactEquation:null},this.postBroadphaseEvent={type:"postBroadphase",pairs:null},this.sleepMode=c.NO_SLEEPING,this.beginContactEvent={type:"beginContact",shapeA:null,shapeB:null,bodyA:null,bodyB:null,contactEquations:[]},this.endContactEvent={type:"endContact",shapeA:null,shapeB:null,bodyA:null,bodyB:null},this.preSolveEvent={type:"preSolve",contactEquations:null,frictionEquations:null},this.overlappingShapesLastState={keys:[]},this.overlappingShapesCurrentState={keys:[]},this.overlapKeeper=new s}{var d=a("../solver/GSSolver"),e=(a("../solver/Solver"),a("../collision/NaiveBroadphase"),a("../collision/Ray")),f=a("../math/vec2"),g=a("../shapes/Circle"),h=(a("../shapes/Rectangle"),a("../shapes/Convex")),i=(a("../shapes/Line"),a("../shapes/Plane")),j=a("../shapes/Capsule"),k=a("../shapes/Particle"),l=a("../events/EventEmitter"),m=a("../objects/Body"),n=(a("../shapes/Shape"),a("../objects/LinearSpring"),a("../material/Material")),o=a("../material/ContactMaterial"),p=(a("../constraints/DistanceConstraint"),a("../constraints/Constraint"),a("../constraints/LockConstraint"),a("../constraints/RevoluteConstraint"),a("../constraints/PrismaticConstraint"),a("../constraints/GearConstraint"),a("../../package.json"),a("../collision/Broadphase"),a("../collision/SAPBroadphase")),q=a("../collision/Narrowphase"),r=a("../utils/Utils"),s=a("../utils/OverlapKeeper"),t=a("./IslandManager");a("../objects/RotationalSpring")}if(b.exports=c,"undefined"==typeof performance&&(performance={}),!performance.now){var u=Date.now();performance.timing&&performance.timing.navigationStart&&(u=performance.timing.navigationStart),performance.now=function(){return Date.now()-u}}c.prototype=new Object(l.prototype),c.prototype.constructor=c,c.NO_SLEEPING=1,c.BODY_SLEEPING=2,c.ISLAND_SLEEPING=4,c.prototype.addConstraint=function(a){this.constraints.push(a)},c.prototype.addContactMaterial=function(a){this.contactMaterials.push(a)},c.prototype.removeContactMaterial=function(a){var b=this.contactMaterials.indexOf(a);-1!==b&&r.splice(this.contactMaterials,b,1)},c.prototype.getContactMaterial=function(a,b){for(var c=this.contactMaterials,d=0,e=c.length;d!==e;d++){var f=c[d];if(f.materialA.id===a.id&&f.materialB.id===b.id||f.materialA.id===b.id&&f.materialB.id===a.id)return f}return!1},c.prototype.removeConstraint=function(a){var b=this.constraints.indexOf(a);-1!==b&&r.splice(this.constraints,b,1)};var v=(f.create(),f.create(),f.create(),f.create(),f.create(),f.create(),f.create()),w=f.fromValues(0,0),x=f.fromValues(0,0),y=(f.fromValues(0,0),f.fromValues(0,0));c.prototype.step=function(a,b,c){if(c=c||10,b=b||0,0===b)this.internalStep(a),this.time+=a;else{var d=Math.floor((this.time+b)/a)-Math.floor(this.time/a);d=Math.min(d,c);for(var e=performance.now(),g=0;g!==d&&(this.internalStep(a),!(performance.now()-e>1e3*a));g++);this.time+=b;for(var h=this.time%a,i=h/a,j=0;j!==this.bodies.length;j++){var k=this.bodies[j];k.type!==m.STATIC&&k.sleepState!==m.SLEEPING?(f.sub(y,k.position,k.previousPosition),f.scale(y,y,i),f.add(k.interpolatedPosition,k.position,y),k.interpolatedAngle=k.angle+(k.angle-k.previousAngle)*i):(f.copy(k.interpolatedPosition,k.position),k.interpolatedAngle=k.angle)}}};var z=[];c.prototype.internalStep=function(a){this.stepping=!0;var b,d,e=this,g=this.doProfiling,h=this.springs.length,i=this.springs,j=this.bodies,k=this.gravity,l=this.solver,n=this.bodies.length,o=this.broadphase,p=this.narrowphase,q=this.constraints,s=v,t=(f.scale,f.add),u=(f.rotate,this.islandManager);if(this.overlapKeeper.tick(),this.lastTimeStep=a,g&&(b=performance.now()),this.useWorldGravityAsFrictionGravity){var w=f.length(this.gravity);0===w&&this.useFrictionGravityOnZeroGravity||(this.frictionGravity=w)}if(this.applyGravity)for(var x=0;x!==n;x++){var y=j[x],A=y.force;y.type===m.DYNAMIC&&y.sleepState!==m.SLEEPING&&(f.scale(s,k,y.mass*y.gravityScale),t(A,A,s))}if(this.applySpringForces)for(var x=0;x!==h;x++){var B=i[x];B.applyForce()}if(this.applyDamping)for(var x=0;x!==n;x++){var y=j[x];y.type===m.DYNAMIC&&y.applyDamping(a)}for(var C=o.getCollisionPairs(this),D=this.disabledBodyCollisionPairs,x=D.length-2;x>=0;x-=2)for(var E=C.length-2;E>=0;E-=2)(D[x]===C[E]&&D[x+1]===C[E+1]||D[x+1]===C[E]&&D[x]===C[E+1])&&C.splice(E,2);var F=q.length;for(x=0;x!==F;x++){var G=q[x];if(!G.collideConnected)for(var E=C.length-2;E>=0;E-=2)(G.bodyA===C[E]&&G.bodyB===C[E+1]||G.bodyB===C[E]&&G.bodyA===C[E+1])&&C.splice(E,2)}this.postBroadphaseEvent.pairs=C,this.emit(this.postBroadphaseEvent),p.reset(this);for(var x=0,H=C.length;x!==H;x+=2)for(var I=C[x],J=C[x+1],K=0,L=I.shapes.length;K!==L;K++)for(var M=I.shapes[K],N=I.shapeOffsets[K],O=I.shapeAngles[K],P=0,Q=J.shapes.length;P!==Q;P++){var R=J.shapes[P],S=J.shapeOffsets[P],T=J.shapeAngles[P],U=this.defaultContactMaterial;if(M.material&&R.material){var V=this.getContactMaterial(M.material,R.material);V&&(U=V)}this.runNarrowphase(p,I,M,N,O,J,R,S,T,U,this.frictionGravity)}for(var x=0;x!==n;x++){var W=j[x];W._wakeUpAfterNarrowphase&&(W.wakeUp(),W._wakeUpAfterNarrowphase=!1)}if(this.has("endContact")){this.overlapKeeper.getEndOverlaps(z);for(var X=this.endContactEvent,P=z.length;P--;){var Y=z[P];X.shapeA=Y.shapeA,X.shapeB=Y.shapeB,X.bodyA=Y.bodyA,X.bodyB=Y.bodyB,this.emit(X)}}var Z=this.preSolveEvent;Z.contactEquations=p.contactEquations,Z.frictionEquations=p.frictionEquations,this.emit(Z);var F=q.length;for(x=0;x!==F;x++)q[x].update();if(p.contactEquations.length||p.frictionEquations.length||q.length)if(this.islandSplit){for(u.equations.length=0,r.appendArray(u.equations,p.contactEquations),r.appendArray(u.equations,p.frictionEquations),x=0;x!==F;x++)r.appendArray(u.equations,q[x].equations);u.split(this);for(var x=0;x!==u.islands.length;x++){var $=u.islands[x];$.equations.length&&l.solveIsland(a,$)}}else{for(l.addEquations(p.contactEquations),l.addEquations(p.frictionEquations),x=0;x!==F;x++)l.addEquations(q[x].equations);this.solveConstraints&&l.solve(a,this),l.removeAllEquations()}for(var x=0;x!==n;x++){var W=j[x];W.sleepState!==m.SLEEPING&&W.type!==m.STATIC&&W.integrate(a)}for(var x=0;x!==n;x++)j[x].setZeroForce();if(g&&(d=performance.now(),e.lastStepTime=d-b),this.emitImpactEvent&&this.has("impact"))for(var _=this.impactEvent,x=0;x!==p.contactEquations.length;x++){var ab=p.contactEquations[x];ab.firstImpact&&(_.bodyA=ab.bodyA,_.bodyB=ab.bodyB,_.shapeA=ab.shapeA,_.shapeB=ab.shapeB,_.contactEquation=ab,this.emit(_))}if(this.sleepMode===c.BODY_SLEEPING)for(x=0;x!==n;x++)j[x].sleepTick(this.time,!1,a);else if(this.sleepMode===c.ISLAND_SLEEPING&&this.islandSplit){for(x=0;x!==n;x++)j[x].sleepTick(this.time,!0,a);for(var x=0;x<this.islandManager.islands.length;x++){var $=this.islandManager.islands[x];$.wantsToSleep()&&$.sleep()}}if(this.stepping=!1,this.bodiesToBeRemoved.length){for(var x=0;x!==this.bodiesToBeRemoved.length;x++)this.removeBody(this.bodiesToBeRemoved[x]);this.bodiesToBeRemoved.length=0}this.emit(this.postStepEvent)},c.prototype.runNarrowphase=function(a,b,c,d,e,g,h,i,j,k,l){if(0!==(c.collisionGroup&h.collisionMask)&&0!==(h.collisionGroup&c.collisionMask)){f.rotate(w,d,b.angle),f.rotate(x,i,g.angle),f.add(w,w,b.position),f.add(x,x,g.position);var n=e+b.angle,o=j+g.angle;a.enableFriction=k.friction>0,a.frictionCoefficient=k.friction;var p;p=b.type===m.STATIC||b.type===m.KINEMATIC?g.mass:g.type===m.STATIC||g.type===m.KINEMATIC?b.mass:b.mass*g.mass/(b.mass+g.mass),a.slipForce=k.friction*l*p,a.restitution=k.restitution,a.surfaceVelocity=k.surfaceVelocity,a.frictionStiffness=k.frictionStiffness,a.frictionRelaxation=k.frictionRelaxation,a.stiffness=k.stiffness,a.relaxation=k.relaxation,a.contactSkinSize=k.contactSkinSize,a.enabledEquations=b.collisionResponse&&g.collisionResponse&&c.collisionResponse&&h.collisionResponse;var q=a[c.type|h.type],r=0;if(q){var s=c.sensor||h.sensor,t=a.frictionEquations.length;r=c.type<h.type?q.call(a,b,c,w,n,g,h,x,o,s):q.call(a,g,h,x,o,b,c,w,n,s);var u=a.frictionEquations.length-t;if(r){if(b.allowSleep&&b.type===m.DYNAMIC&&b.sleepState===m.SLEEPING&&g.sleepState===m.AWAKE&&g.type!==m.STATIC){var v=f.squaredLength(g.velocity)+Math.pow(g.angularVelocity,2),y=Math.pow(g.sleepSpeedLimit,2);v>=2*y&&(b._wakeUpAfterNarrowphase=!0)}if(g.allowSleep&&g.type===m.DYNAMIC&&g.sleepState===m.SLEEPING&&b.sleepState===m.AWAKE&&b.type!==m.STATIC){var z=f.squaredLength(b.velocity)+Math.pow(b.angularVelocity,2),A=Math.pow(b.sleepSpeedLimit,2);z>=2*A&&(g._wakeUpAfterNarrowphase=!0)}if(this.overlapKeeper.setOverlapping(b,c,g,h),this.has("beginContact")&&this.overlapKeeper.isNewOverlap(c,h)){var B=this.beginContactEvent;if(B.shapeA=c,B.shapeB=h,B.bodyA=b,B.bodyB=g,B.contactEquations.length=0,"number"==typeof r)for(var C=a.contactEquations.length-r;C<a.contactEquations.length;C++)B.contactEquations.push(a.contactEquations[C]);this.emit(B)}if("number"==typeof r&&u>1)for(var C=a.frictionEquations.length-u;C<a.frictionEquations.length;C++){var D=a.frictionEquations[C];D.setSlipForce(D.getSlipForce()/u)}}}}},c.prototype.addSpring=function(a){this.springs.push(a),this.addSpringEvent.spring=a,this.emit(this.addSpringEvent)},c.prototype.removeSpring=function(a){var b=this.springs.indexOf(a);-1!==b&&r.splice(this.springs,b,1)},c.prototype.addBody=function(a){-1===this.bodies.indexOf(a)&&(this.bodies.push(a),a.world=this,this.addBodyEvent.body=a,this.emit(this.addBodyEvent))},c.prototype.removeBody=function(a){if(this.stepping)this.bodiesToBeRemoved.push(a);else{a.world=null;var b=this.bodies.indexOf(a);-1!==b&&(r.splice(this.bodies,b,1),this.removeBodyEvent.body=a,a.resetConstraintVelocity(),this.emit(this.removeBodyEvent))}},c.prototype.getBodyById=function(a){for(var b=this.bodies,c=0;c<b.length;c++){var d=b[c];if(d.id===a)return d}return!1},c.prototype.disableBodyCollision=function(a,b){this.disabledBodyCollisionPairs.push(a,b)},c.prototype.enableBodyCollision=function(a,b){for(var c=this.disabledBodyCollisionPairs,d=0;d<c.length;d+=2)if(c[d]===a&&c[d+1]===b||c[d+1]===a&&c[d]===b)return void c.splice(d,2)},c.prototype.clear=function(){this.time=0,this.fixedStepTime=0,this.solver&&this.solver.equations.length&&this.solver.removeAllEquations();for(var a=this.constraints,b=a.length-1;b>=0;b--)this.removeConstraint(a[b]);for(var d=this.bodies,b=d.length-1;b>=0;b--)this.removeBody(d[b]);for(var e=this.springs,b=e.length-1;b>=0;b--)this.removeSpring(e[b]);for(var f=this.contactMaterials,b=f.length-1;b>=0;b--)this.removeContactMaterial(f[b]);c.apply(this)},c.prototype.clone=function(){var a=new c;return a.fromJSON(this.toJSON()),a};var A=f.create(),B=f.fromValues(0,0),C=f.fromValues(0,0);c.prototype.hitTest=function(a,b,c){c=c||0;var d=new m({position:a}),e=new k,l=a,n=0,o=A,p=B,q=C;d.addShape(e);for(var r=this.narrowphase,s=[],t=0,u=b.length;t!==u;t++)for(var v=b[t],w=0,x=v.shapes.length;w!==x;w++){var y=v.shapes[w],z=v.shapeOffsets[w]||p,D=v.shapeAngles[w]||0;f.rotate(o,z,v.angle),f.add(o,o,v.position);var E=D+v.angle;(y instanceof g&&r.circleParticle(v,y,o,E,d,e,l,n,!0)||y instanceof h&&r.particleConvex(d,e,l,n,v,y,o,E,!0)||y instanceof i&&r.particlePlane(d,e,l,n,v,y,o,E,!0)||y instanceof j&&r.particleCapsule(d,e,l,n,v,y,o,E,!0)||y instanceof k&&f.squaredLength(f.sub(q,o,a))<c*c)&&s.push(v)}return s},c.prototype.setGlobalEquationParameters=function(a){a=a||{};for(var b=0;b!==this.constraints.length;b++)for(var c=this.constraints[b],d=0;d!==c.equations.length;d++){var e=c.equations[d];"undefined"!=typeof a.stiffness&&(e.stiffness=a.stiffness),"undefined"!=typeof a.relaxation&&(e.relaxation=a.relaxation),e.needsUpdate=!0}for(var b=0;b!==this.contactMaterials.length;b++){var c=this.contactMaterials[b];"undefined"!=typeof a.stiffness&&(c.stiffness=a.stiffness,c.frictionStiffness=a.stiffness),"undefined"!=typeof a.relaxation&&(c.relaxation=a.relaxation,c.frictionRelaxation=a.relaxation)}var c=this.defaultContactMaterial;"undefined"!=typeof a.stiffness&&(c.stiffness=a.stiffness,c.frictionStiffness=a.stiffness),"undefined"!=typeof a.relaxation&&(c.relaxation=a.relaxation,c.frictionRelaxation=a.relaxation)},c.prototype.setGlobalStiffness=function(a){this.setGlobalEquationParameters({stiffness:a})},c.prototype.setGlobalRelaxation=function(a){this.setGlobalEquationParameters({relaxation:a})};var D=new e;c.prototype.raycastAll=function(a,b,c,d){return c.mode=e.ALL,c.from=a,c.to=b,c.callback=d,D.intersectWorld(this,c)},c.prototype.raycastAny=function(a,b,c,d){return c.mode=e.ANY,c.from=a,c.to=b,c.result=d,D.intersectWorld(this,c)},c.prototype.raycastClosest=function(a,b,c,d){return c.mode=e.CLOSEST,c.from=a,c.to=b,c.result=d,D.intersectWorld(this,c)}},{"../../package.json":6,"../collision/Broadphase":8,"../collision/NaiveBroadphase":10,"../collision/Narrowphase":11,"../collision/Ray":12,"../collision/SAPBroadphase":14,"../constraints/Constraint":15,"../constraints/DistanceConstraint":16,"../constraints/GearConstraint":17,"../constraints/LockConstraint":18,"../constraints/PrismaticConstraint":19,"../constraints/RevoluteConstraint":20,"../events/EventEmitter":27,"../material/ContactMaterial":28,"../material/Material":29,"../math/vec2":31,"../objects/Body":32,"../objects/LinearSpring":33,"../objects/RotationalSpring":34,"../shapes/Capsule":37,"../shapes/Circle":38,"../shapes/Convex":39,"../shapes/Line":41,"../shapes/Particle":42,"../shapes/Plane":43,"../shapes/Rectangle":44,"../shapes/Shape":45,"../solver/GSSolver":46,"../solver/Solver":47,"../utils/OverlapKeeper":48,"../utils/Utils":50,"./IslandManager":52}]},{},[36])(36)});
+`