phaser/v2-community/build/p2.min.js

/* Phaser v2.7.2 P2.JS Build - http://phaser.io - @photonstorm - (c) 2016 Photon Storm Ltd. */

!function(a){if("object"==typeof exports)module.exports=a();else if("function"==typeof define,1){var b;"undefined"!=typeof window?b=window:"undefined"!=typeof global?b=global:"undefined"!=typeof self&&(b=self),b.p2=a()}else define(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,c){function d(){}var e=a("./Scalar");b.exports=d,d.lineInt=function(a,b,c){c=c||0;var d,f,g,h,i,j,k,l=[0,0];return d=a[1][1]-a[0][1],f=a[0][0]-a[1][0],g=d*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=d*i-h*f,e.eq(k,0,c)||(l[0]=(i*g-f*j)/k,l[1]=(d*j-h*g)/k),l},d.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&&i<=1&&j>=0&&j<=1}},{"./Scalar":4}],2:[function(a,b,c){function d(){}b.exports=d,d.area=function(a,b,c){return(b[0]-a[0])*(c[1]-a[1])-(c[0]-a[0])*(b[1]-a[1])},d.left=function(a,b,c){return d.area(a,b,c)>0},d.leftOn=function(a,b,c){return d.area(a,b,c)>=0},d.right=function(a,b,c){return d.area(a,b,c)<0},d.rightOn=function(a,b,c){return d.area(a,b,c)<=0};var e=[],f=[];d.collinear=function(a,b,c,g){if(g){var h=e,i=f;h[0]=b[0]-a[0],h[1]=b[1]-a[1],i[0]=c[0]-b[0],i[1]=c[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 m<g}return 0==d.area(a,b,c)},d.sqdist=function(a,b){var c=b[0]-a[0],d=b[1]-a[1];return c*c+d*d}},{}],3:[function(a,b,c){function d(){this.vertices=[]}function e(a,b,c,d,e){e=e||0;var f=b[1]-a[1],g=a[0]-b[0],i=f*a[0]+g*a[1],j=d[1]-c[1],k=c[0]-d[0],l=j*c[0]+k*c[1],m=f*k-j*g;return h.eq(m,0,e)?[0,0]:[(k*i-g*l)/m,(f*l-j*i)/m]}var f=a("./Line"),g=a("./Point"),h=a("./Scalar");b.exports=d,d.prototype.at=function(a){var b=this.vertices,c=b.length;return b[a<0?a%c+c:a%c]},d.prototype.first=function(){return this.vertices[0]},d.prototype.last=function(){return this.vertices[this.vertices.length-1]},d.prototype.clear=function(){this.vertices.length=0},d.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(c-1<b)throw new Error("lol1");if(c>a.vertices.length)throw new Error("lol2");if(b<0)throw new Error("lol3");for(var d=b;d<c;d++)this.vertices.push(a.vertices[d])},d.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);g.left(this.at(a-1),this.at(a),this.at(a+1))||this.reverse()},d.prototype.reverse=function(){for(var a=[],b=0,c=this.vertices.length;b!==c;b++)a.push(this.vertices.pop());this.vertices=a},d.prototype.isReflex=function(a){return g.right(this.at(a-1),this.at(a),this.at(a+1))};var i=[],j=[];d.prototype.canSee=function(a,b){var c,d,e=i,h=j;if(g.leftOn(this.at(a+1),this.at(a),this.at(b))&&g.rightOn(this.at(a-1),this.at(a),this.at(b)))return!1;d=g.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&&g.leftOn(this.at(a),this.at(b),this.at(k+1))&&g.rightOn(this.at(a),this.at(b),this.at(k))&&(e[0]=this.at(a),e[1]=this.at(b),h[0]=this.at(k),h[1]=this.at(k+1),c=f.lineInt(e,h),g.sqdist(this.at(a),c)<d))return!1;return!0},d.prototype.copy=function(a,b,c){var e=c||new d;if(e.clear(),a<b)for(var f=a;f<=b;f++)e.vertices.push(this.vertices[f]);else{for(var f=0;f<=b;f++)e.vertices.push(this.vertices[f]);for(var f=a;f<this.vertices.length;f++)e.vertices.push(this.vertices[f])}return e},d.prototype.getCutEdges=function(){for(var a=[],b=[],c=[],e=new d,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(),c=this.copy(h,g,e).getCutEdges();for(var i=0;i<c.length;i++)b.push(c[i]);b.length<f&&(a=b,f=b.length,a.push([this.at(g),this.at(h)]))}return a},d.prototype.decomp=function(){var a=this.getCutEdges();return a.length>0?this.slice(a):[this]},d.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 c!=-1&&e!=-1&&[this.copy(c,e),this.copy(e,c)]},d.prototype.isSimple=function(){for(var a=this.vertices,b=0;b<a.length-1;b++)for(var c=0;c<b-1;c++)if(f.segmentsIntersect(a[b],a[b+1],a[c],a[c+1]))return!1;for(var b=1;b<a.length-2;b++)if(f.segmentsIntersect(a[0],a[a.length-1],a[b],a[b+1]))return!1;return!0},d.prototype.quickDecomp=function(a,b,c,f,h,i){h=h||100,i=i||0,f=f||25,a="undefined"!=typeof a?a:[],b=b||[],c=c||[];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 d,u=new d,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)g.left(v.at(x-1),v.at(x),v.at(y))&&g.rightOn(v.at(x-1),v.at(x),v.at(y-1))&&(l=e(v.at(x-1),v.at(x),v.at(y),v.at(y-1)),g.right(v.at(x+1),v.at(x),l)&&(o=g.sqdist(v.vertices[x],l),o<n&&(n=o,k=l,r=y))),g.left(v.at(x+1),v.at(x),v.at(y+1))&&g.rightOn(v.at(x+1),v.at(x),v.at(y))&&(l=e(v.at(x+1),v.at(x),v.at(y),v.at(y+1)),g.left(v.at(x-1),v.at(x),l)&&(o=g.sqdist(v.vertices[x],l),o<m&&(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,c.push(l),x<q?(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,q<r)return a;for(var y=r;y<=q;++y)g.leftOn(v.at(x-1),v.at(x),v.at(y))&&g.rightOn(v.at(x+1),v.at(x),v.at(y))&&(o=g.sqdist(v.at(x),v.at(y)),o<p&&(p=o,s=y%this.vertices.length));x<s?(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,c,f,h,i),u.quickDecomp(a,b,c,f,h,i)):(u.quickDecomp(a,b,c,f,h,i),t.quickDecomp(a,b,c,f,h,i)),a}return a.push(this),a},d.prototype.removeCollinearPoints=function(a){for(var b=0,c=this.vertices.length-1;this.vertices.length>3&&c>=0;--c)g.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,c){function d(){}b.exports=d,d.eq=function(a,b,c){return c=c||0,Math.abs(a-b)<c}},{}],5:[function(a,b,c){b.exports={Polygon:a("./Polygon"),Point:a("./Point")}},{"./Point":2,"./Polygon":3}],6:[function(a,b,c){b.exports={name:"p2",version:"0.7.1",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:"^0.4.5","grunt-contrib-jshint":"^0.11.2","grunt-contrib-nodeunit":"^0.4.1","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":"0.1.1"}}},{}],7:[function(a,b,c){function d(a){this.lowerBound=e.create(),a&&a.lowerBound&&e.copy(this.lowerBound,a.lowerBound),this.upperBound=e.create(),a&&a.upperBound&&e.copy(this.upperBound,a.upperBound)}var e=a("../math/vec2");a("../utils/Utils");b.exports=d;var f=e.create();d.prototype.setFromPoints=function(a,b,c,d){var g=this.lowerBound,h=this.upperBound;"number"!=typeof c&&(c=0),0!==c?e.rotate(g,a[0],c):e.copy(g,a[0]),e.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];f[0]=i*m-j*n,f[1]=j*m+i*n,l=f}for(var o=0;o<2;o++)l[o]>h[o]&&(h[o]=l[o]),l[o]<g[o]&&(g[o]=l[o])}b&&(e.add(this.lowerBound,this.lowerBound,b),e.add(this.upperBound,this.upperBound,b)),d&&(this.lowerBound[0]-=d,this.lowerBound[1]-=d,this.upperBound[0]+=d,this.upperBound[1]+=d)},d.prototype.copy=function(a){e.copy(this.lowerBound,a.lowerBound),e.copy(this.upperBound,a.upperBound)},d.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)}},d.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])},d.prototype.containsPoint=function(a){var b=this.lowerBound,c=this.upperBound;return b[0]<=a[0]&&a[0]<=c[0]&&b[1]<=a[1]&&a[1]<=c[1]},d.prototype.overlapsRay=function(a){var b=1/a.direction[0],c=1/a.direction[1],d=(this.lowerBound[0]-a.from[0])*b,e=(this.upperBound[0]-a.from[0])*b,f=(this.lowerBound[1]-a.from[1])*c,g=(this.upperBound[1]-a.from[1])*c,h=Math.max(Math.max(Math.min(d,e),Math.min(f,g))),i=Math.min(Math.min(Math.max(d,e),Math.max(f,g)));return i<0?-1:h>i?-1:h}},{"../math/vec2":30,"../utils/Utils":57}],8:[function(a,b,c){function d(a){this.type=a,this.result=[],this.world=null,this.boundingVolumeType=d.AABB}var e=a("../math/vec2"),f=a("../objects/Body");b.exports=d,d.AABB=1,d.BOUNDING_CIRCLE=2,d.prototype.setWorld=function(a){this.world=a},d.prototype.getCollisionPairs=function(a){};var g=e.create();d.boundingRadiusCheck=function(a,b){e.sub(g,a.position,b.position);var c=e.squaredLength(g),d=a.boundingRadius+b.boundingRadius;return c<=d*d},d.aabbCheck=function(a,b){return a.getAABB().overlaps(b.getAABB())},d.prototype.boundingVolumeCheck=function(a,b){var c;switch(this.boundingVolumeType){case d.BOUNDING_CIRCLE:c=d.boundingRadiusCheck(a,b);break;case d.AABB:c=d.aabbCheck(a,b);break;default:throw new Error("Bounding volume type not recognized: "+this.boundingVolumeType)}return c},d.canCollide=function(a,b){var c=f.KINEMATIC,d=f.STATIC;return(a.type!==d||b.type!==d)&&(!(a.type===c&&b.type===d||a.type===d&&b.type===c)&&((a.type!==c||b.type!==c)&&((a.sleepState!==f.SLEEPING||b.sleepState!==f.SLEEPING)&&!(a.sleepState===f.SLEEPING&&b.type===d||b.sleepState===f.SLEEPING&&a.type===d))))},d.NAIVE=1,d.SAP=2},{"../math/vec2":30,"../objects/Body":31}],9:[function(a,b,c){function d(){e.call(this,e.NAIVE)}var e=(a("../shapes/Circle"),a("../shapes/Plane"),a("../shapes/Shape"),a("../shapes/Particle"),a("../collision/Broadphase"));a("../math/vec2");b.exports=d,d.prototype=new e,d.prototype.constructor=d,d.prototype.getCollisionPairs=function(a){var b=a.bodies,c=this.result;c.length=0;for(var d=0,f=b.length;d!==f;d++)for(var g=b[d],h=0;h<d;h++){var i=b[h];e.canCollide(g,i)&&this.boundingVolumeCheck(g,i)&&c.push(g,i)}return c},d.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":30,"../shapes/Circle":39,"../shapes/Particle":43,"../shapes/Plane":44,"../shapes/Shape":45}],10:[function(a,b,c){function d(){this.contactEquations=[],this.frictionEquations=[],this.enableFriction=!0,this.enabledEquations=!0,this.slipForce=10,this.frictionCoefficient=.3,this.surfaceVelocity=0,this.contactEquationPool=new k({size:32}),this.frictionEquationPool=new l({size:64}),this.restitution=0,this.stiffness=n.DEFAULT_STIFFNESS,this.relaxation=n.DEFAULT_RELAXATION,this.frictionStiffness=n.DEFAULT_STIFFNESS,this.frictionRelaxation=n.DEFAULT_RELAXATION,this.enableFrictionReduction=!0,this.collidingBodiesLastStep=new m,this.contactSkinSize=.01}function e(a,b){g.set(a.vertices[0],.5*-b.length,-b.radius),g.set(a.vertices[1],.5*b.length,-b.radius),g.set(a.vertices[2],.5*b.length,b.radius),g.set(a.vertices[3],.5*-b.length,b.radius)}function f(a,b,c,d){for(var e=T,f=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];g.rotate(e,p,d),g.rotate(f,q,d),i(e,e,c),i(f,f,c),h(j,e,l),h(k,f,l);var r=g.crossLength(j,k);if(null===n&&(n=r),r*n<=0)return!1;n=r}return!0}var g=a("../math/vec2"),h=g.sub,i=g.add,j=g.dot,k=(a("../utils/Utils"),a("../utils/ContactEquationPool")),l=a("../utils/FrictionEquationPool"),m=a("../utils/TupleDictionary"),n=a("../equations/Equation"),o=(a("../equations/ContactEquation"),a("../equations/FrictionEquation"),a("../shapes/Circle")),p=a("../shapes/Convex"),q=a("../shapes/Shape"),r=(a("../objects/Body"),a("../shapes/Box"));b.exports=d;var s=g.fromValues(0,1),t=g.fromValues(0,0),u=g.fromValues(0,0),v=g.fromValues(0,0),w=g.fromValues(0,0),x=g.fromValues(0,0),y=g.fromValues(0,0),z=g.fromValues(0,0),A=g.fromValues(0,0),B=g.fromValues(0,0),C=g.fromValues(0,0),D=g.fromValues(0,0),E=g.fromValues(0,0),F=g.fromValues(0,0),G=g.fromValues(0,0),H=g.fromValues(0,0),I=g.fromValues(0,0),J=g.fromValues(0,0),K=g.fromValues(0,0),L=[],M=g.create(),N=g.create();d.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];a.toWorldFrame(c,g.position);for(var h=0,i=b.shapes.length;h!==i;h++){var j=b.shapes[h];if(b.toWorldFrame(d,j.position),this[g.type|j.type](a,g,c,g.angle+a.angle,b,j,d,j.angle+b.angle,!0))return!0}}return!1},d.prototype.collidedLastStep=function(a,b){var c=0|a.id,d=0|b.id;return!!this.collidingBodiesLastStep.get(c,d)},d.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)}for(var f=this.contactEquations,g=this.frictionEquations,h=0;h<f.length;h++)this.contactEquationPool.release(f[h]);for(var h=0;h<g.length;h++)this.frictionEquationPool.release(g[h]);this.contactEquations.length=this.frictionEquations.length=0},d.prototype.createContactEquation=function(a,b,c,d){var e=this.contactEquationPool.get();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},d.prototype.createFrictionEquation=function(a,b,c,d){var e=this.frictionEquationPool.get();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},d.prototype.createFrictionFromContact=function(a){var b=this.createFrictionEquation(a.bodyA,a.bodyB,a.shapeA,a.shapeB);return g.copy(b.contactPointA,a.contactPointA),g.copy(b.contactPointB,a.contactPointB),g.rotate90cw(b.t,a.normalA),b.contactEquations.push(a),b},d.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;g.set(c.contactPointA,0,0),g.set(c.contactPointB,0,0),g.set(c.t,0,0);for(var e=0;e!==a;e++)b=this.contactEquations[this.contactEquations.length-1-e],b.bodyA===d?(g.add(c.t,c.t,b.normalA),g.add(c.contactPointA,c.contactPointA,b.contactPointA),g.add(c.contactPointB,c.contactPointB,b.contactPointB)):(g.sub(c.t,c.t,b.normalA),g.add(c.contactPointA,c.contactPointA,b.contactPointB),g.add(c.contactPointB,c.contactPointB,b.contactPointA)),c.contactEquations.push(b);var f=1/a;return g.scale(c.contactPointA,c.contactPointA,f),g.scale(c.contactPointB,c.contactPointB,f),g.normalize(c.t,c.t),g.rotate90cw(c.t,c.t),c},d.prototype[q.LINE|q.CONVEX]=d.prototype.convexLine=function(a,b,c,d,e,f,g,h,i){return!i&&0},d.prototype[q.LINE|q.BOX]=d.prototype.lineBox=function(a,b,c,d,e,f,g,h,i){return!i&&0};var O=new r({width:1,height:1}),P=g.create();d.prototype[q.CAPSULE|q.CONVEX]=d.prototype[q.CAPSULE|q.BOX]=d.prototype.convexCapsule=function(a,b,c,d,f,h,i,j,k){var l=P;g.set(l,h.length/2,0),g.rotate(l,l,j),g.add(l,l,i);var m=this.circleConvex(f,h,l,j,a,b,c,d,k,h.radius);g.set(l,-h.length/2,0),g.rotate(l,l,j),g.add(l,l,i);var n=this.circleConvex(f,h,l,j,a,b,c,d,k,h.radius);if(k&&(m||n))return!0;var o=O;e(o,h);var p=this.convexConvex(a,b,c,d,f,o,i,j,k);return p+m+n},d.prototype[q.CAPSULE|q.LINE]=d.prototype.lineCapsule=function(a,b,c,d,e,f,g,h,i){return!i&&0};var Q=g.create(),R=g.create(),S=new r({width:1,height:1});d.prototype[q.CAPSULE|q.CAPSULE]=d.prototype.capsuleCapsule=function(a,b,c,d,f,h,i,j,k){for(var l,m=Q,n=R,o=0,p=0;p<2;p++){g.set(m,(0===p?-1:1)*b.length/2,0),g.rotate(m,m,d),g.add(m,m,c);for(var q=0;q<2;q++){g.set(n,(0===q?-1:1)*h.length/2,0),g.rotate(n,n,j),g.add(n,n,i),this.enableFrictionReduction&&(l=this.enableFriction,this.enableFriction=!1);var r=this.circleCircle(a,b,m,d,f,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;e(s,b);var t=this.convexCapsule(a,s,c,d,f,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}e(s,h);var u=this.convexCapsule(f,s,i,j,a,b,c,d,k);return this.enableFrictionReduction&&(this.enableFriction=l),!(!k||!u)||(o+=u,this.enableFrictionReduction&&o&&this.enableFriction&&this.frictionEquations.push(this.createFrictionFromAverage(o)),o)},d.prototype[q.LINE|q.LINE]=d.prototype.lineLine=function(a,b,c,d,e,f,g,h,i){return!i&&0},d.prototype[q.PLANE|q.LINE]=d.prototype.planeLine=function(a,b,c,d,e,f,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;g.set(n,-f.length/2,0),g.set(o,f.length/2,0),g.rotate(p,n,l),g.rotate(q,o,l),i(p,p,k),i(q,q,k),g.copy(n,p),g.copy(o,q),h(r,o,n),g.normalize(C,r),g.rotate90cw(F,C),g.rotate(E,s,d),G[0]=n,G[1]=o;for(var I=0;I<G.length;I++){var J=G[I];h(D,J,c);var K=j(D,E);if(K<0){if(m)return!0;var M=this.createContactEquation(a,e,b,f);H++,g.copy(M.normalA,E),g.normalize(M.normalA,M.normalA),g.scale(D,E,K),h(M.contactPointA,J,D),h(M.contactPointA,M.contactPointA,a.position),h(M.contactPointB,J,k),i(M.contactPointB,M.contactPointB,k),h(M.contactPointB,M.contactPointB,e.position),this.contactEquations.push(M),this.enableFrictionReduction||this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(M))}}return!m&&(this.enableFrictionReduction||H&&this.enableFriction&&this.frictionEquations.push(this.createFrictionFromAverage(H)),H)},d.prototype[q.PARTICLE|q.CAPSULE]=d.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)},d.prototype[q.CIRCLE|q.LINE]=d.prototype.circleLine=function(a,b,c,d,e,f,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;g.set(K,-f.length/2,0),g.set(M,f.length/2,0),g.rotate(N,K,l),g.rotate(O,M,l),i(N,N,k),i(O,O,k),g.copy(K,N),g.copy(M,O),h(I,M,K),g.normalize(J,I),g.rotate90cw(H,J),h(P,c,K);var T=j(P,H);h(s,K,k),h(Q,c,k);var U=o+n;if(Math.abs(T)<U){g.scale(p,H,T),h(r,c,p),g.scale(q,H,j(H,Q)),g.normalize(q,q),g.scale(q,q,n),i(r,r,q);var V=j(J,r),W=j(J,K),X=j(J,M);if(V>W&&V<X){if(m)return!0;var Y=this.createContactEquation(a,e,b,f);return g.scale(Y.normalA,p,-1),g.normalize(Y.normalA,Y.normalA),g.scale(Y.contactPointA,Y.normalA,o),i(Y.contactPointA,Y.contactPointA,c),h(Y.contactPointA,Y.contactPointA,a.position),h(Y.contactPointB,r,k),i(Y.contactPointB,Y.contactPointB,k),h(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 $=S[Z];if(h(P,$,c),g.squaredLength(P)<Math.pow(U,2)){if(m)return!0;var Y=this.createContactEquation(a,e,b,f);return g.copy(Y.normalA,P),g.normalize(Y.normalA,Y.normalA),g.scale(Y.contactPointA,Y.normalA,o),i(Y.contactPointA,Y.contactPointA,c),h(Y.contactPointA,Y.contactPointA,a.position),h(Y.contactPointB,$,k),g.scale(R,Y.normalA,-n),i(Y.contactPointB,Y.contactPointB,R),i(Y.contactPointB,Y.contactPointB,k),h(Y.contactPointB,Y.contactPointB,e.position),this.contactEquations.push(Y),this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(Y)),1}}return 0},d.prototype[q.CIRCLE|q.CAPSULE]=d.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)},d.prototype[q.CIRCLE|q.CONVEX]=d.prototype[q.CIRCLE|q.BOX]=d.prototype.circleConvex=function(a,b,c,d,e,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(g.rotate(o,O,l),g.rotate(p,P,l),i(o,o,k),i(p,p,k),h(q,p,o),g.normalize(r,q),g.rotate90cw(s,r),g.scale(B,s,-b.radius),i(B,B,c),f(B,j,k,l)){g.sub(E,o,B);var Q=Math.abs(g.dot(E,s));Q<L&&(g.copy(J,B),L=Q,g.scale(A,s,Q),g.add(A,A,B),K=!0)}}if(K){if(m)return!0;var R=this.createContactEquation(a,e,b,j);return g.sub(R.normalA,J,c),g.normalize(R.normalA,R.normalA),g.scale(R.contactPointA,R.normalA,n),i(R.contactPointA,R.contactPointA,c),h(R.contactPointA,R.contactPointA,a.position),h(R.contactPointB,A,k),i(R.contactPointB,R.contactPointB,k),h(R.contactPointB,R.contactPointB,e.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(g.rotate(z,S,l),i(z,z,k),h(y,z,c),g.squaredLength(y)<Math.pow(n,2)){if(m)return!0;var R=this.createContactEquation(a,e,b,j);return g.copy(R.normalA,y),g.normalize(R.normalA,R.normalA),g.scale(R.contactPointA,R.normalA,n),i(R.contactPointA,R.contactPointA,c),h(R.contactPointA,R.contactPointA,a.position),h(R.contactPointB,z,k),i(R.contactPointB,R.contactPointB,k),h(R.contactPointB,R.contactPointB,e.position),this.contactEquations.push(R),this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(R)),1}}return 0};var T=g.create(),U=g.create(),V=g.create(),W=g.create();d.prototype[q.PARTICLE|q.CONVEX]=d.prototype[q.PARTICLE|q.BOX]=d.prototype.particleConvex=function(a,b,c,d,e,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(!f(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];g.rotate(o,O,m),g.rotate(p,P,m),i(o,o,l),i(p,p,l),h(q,p,o),g.normalize(r,q),g.rotate90cw(s,r),h(D,c,o);j(D,s);h(A,o,l),h(B,c,l),g.sub(G,o,c);var Q=Math.abs(g.dot(G,s));Q<I&&(I=Q,g.scale(E,s,Q),g.add(E,E,c),g.copy(H,s),L=!0)}if(L){var R=this.createContactEquation(a,e,b,k);return g.scale(R.normalA,H,-1),g.normalize(R.normalA,R.normalA),g.set(R.contactPointA,0,0),i(R.contactPointA,R.contactPointA,c),h(R.contactPointA,R.contactPointA,a.position),h(R.contactPointB,E,l),i(R.contactPointB,R.contactPointB,l),h(R.contactPointB,R.contactPointB,e.position),this.contactEquations.push(R),this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(R)),1}return 0},d.prototype[q.CIRCLE]=d.prototype.circleCircle=function(a,b,c,d,e,f,j,k,l,m,n){var o=t,m=m||b.radius,n=n||f.radius;h(o,c,j);var p=m+n;if(g.squaredLength(o)>Math.pow(p,2))return 0;if(l)return!0;var q=this.createContactEquation(a,e,b,f);return h(q.normalA,j,c),g.normalize(q.normalA,q.normalA),g.scale(q.contactPointA,q.normalA,m),g.scale(q.contactPointB,q.normalA,-n),i(q.contactPointA,q.contactPointA,c),h(q.contactPointA,q.contactPointA,a.position),i(q.contactPointB,q.contactPointB,j),h(q.contactPointB,q.contactPointB,e.position),this.contactEquations.push(q),this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(q)),1},d.prototype[q.PLANE|q.CONVEX]=d.prototype[q.PLANE|q.BOX]=d.prototype.planeConvex=function(a,b,c,d,e,f,k,l,m){var n=t,o=u,p=v,q=0;g.rotate(o,s,d);for(var r=0;r!==f.vertices.length;r++){var w=f.vertices[r];if(g.rotate(n,w,l),i(n,n,k),h(p,n,c),j(p,o)<=0){if(m)return!0;q++;var x=this.createContactEquation(a,e,b,f);h(p,n,c),g.copy(x.normalA,o);var y=j(p,x.normalA);g.scale(p,x.normalA,y),h(x.contactPointB,n,e.position),h(x.contactPointA,n,p),h(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},d.prototype[q.PARTICLE|q.PLANE]=d.prototype.particlePlane=function(a,b,c,d,e,f,i,k,l){var m=t,n=u;k=k||0,h(m,c,i),g.rotate(n,s,k);var o=j(m,n);if(o>0)return 0;if(l)return!0;var p=this.createContactEquation(e,a,f,b);return g.copy(p.normalA,n),g.scale(m,p.normalA,o),h(p.contactPointA,c,m),h(p.contactPointA,p.contactPointA,e.position),h(p.contactPointB,c,a.position),this.contactEquations.push(p),this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(p)),1},d.prototype[q.CIRCLE|q.PARTICLE]=d.prototype.circleParticle=function(a,b,c,d,e,f,j,k,l){var m=t;if(h(m,j,c),g.squaredLength(m)>Math.pow(b.radius,2))return 0;if(l)return!0;var n=this.createContactEquation(a,e,b,f);return g.copy(n.normalA,m),g.normalize(n.normalA,n.normalA),g.scale(n.contactPointA,n.normalA,b.radius),i(n.contactPointA,n.contactPointA,c),h(n.contactPointA,n.contactPointA,a.position),h(n.contactPointB,j,e.position),this.contactEquations.push(n),this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(n)),1};var X=new o({radius:1}),Y=g.create(),Z=g.create();g.create();d.prototype[q.PLANE|q.CAPSULE]=d.prototype.planeCapsule=function(a,b,c,d,e,f,h,j,k){var l=Y,m=Z,n=X;g.set(l,-f.length/2,0),g.rotate(l,l,j),i(l,l,h),g.set(m,f.length/2,0),g.rotate(m,m,j),i(m,m,h),n.radius=f.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},d.prototype[q.CIRCLE|q.PLANE]=d.prototype.circlePlane=function(a,b,c,d,e,f,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;h(x,p,r),g.rotate(y,s,w);var A=j(y,x);if(A>o.radius)return 0;if(m)return!0;var B=this.createContactEquation(q,n,f,b);return g.copy(B.normalA,y),g.scale(B.contactPointB,B.normalA,-o.radius),i(B.contactPointB,B.contactPointB,p),h(B.contactPointB,B.contactPointB,n.position),g.scale(z,B.normalA,A),h(B.contactPointA,x,z),i(B.contactPointA,B.contactPointA,r),h(B.contactPointA,B.contactPointA,q.position),this.contactEquations.push(B),this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(B)),1},d.prototype[q.CONVEX]=d.prototype[q.CONVEX|q.BOX]=d.prototype[q.BOX]=d.prototype.convexConvex=function(a,b,c,e,f,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=d.findSeparatingAxis(b,c,e,k,l,m,p);if(!G)return 0;h(D,l,c),j(p,D)>0&&g.scale(p,p,-1);var H=d.getClosestEdge(b,e,p,!0),I=d.getClosestEdge(k,m,p);if(H===-1||I===-1)return 0;for(var J=0;J<2;J++){var K=H,L=I,M=b,N=k,O=c,P=l,Q=e,R=m,S=a,T=f;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;V<L+2;V++){var W=N.vertices[(V+N.vertices.length)%N.vertices.length];g.rotate(q,W,R),i(q,q,P);for(var X=0,Y=K-1;Y<K+2;Y++){var Z=M.vertices[(Y+M.vertices.length)%M.vertices.length],$=M.vertices[(Y+1+M.vertices.length)%M.vertices.length];g.rotate(r,Z,Q),g.rotate(s,$,Q),i(r,r,O),i(s,s,O),h(y,s,r),g.rotate90cw(E,y),g.normalize(E,E),h(D,q,r);var _=j(E,D);(Y===K&&_<=o||Y!==K&&_<=0)&&X++}if(X>=3){if(n)return!0;var aa=this.createContactEquation(S,T,M,N);F++;var Z=M.vertices[K%M.vertices.length],$=M.vertices[(K+1)%M.vertices.length];g.rotate(r,Z,Q),g.rotate(s,$,Q),i(r,r,O),i(s,s,O),h(y,s,r),g.rotate90cw(aa.normalA,y),g.normalize(aa.normalA,aa.normalA),h(D,q,r);var _=j(aa.normalA,D);g.scale(C,aa.normalA,_),h(aa.contactPointA,q,O),h(aa.contactPointA,aa.contactPointA,C),i(aa.contactPointA,aa.contactPointA,O),h(aa.contactPointA,aa.contactPointA,S.position),h(aa.contactPointB,q,P),i(aa.contactPointB,aa.contactPointB,P),h(aa.contactPointB,aa.contactPointB,T.position),this.contactEquations.push(aa),this.enableFrictionReduction||this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(aa))}}}return this.enableFrictionReduction&&this.enableFriction&&F&&this.frictionEquations.push(this.createFrictionFromAverage(F)),F};var $=g.fromValues(0,0);d.projectConvexOntoAxis=function(a,b,c,d,e){var f,h,i=null,k=null,l=$;g.rotate(l,d,-c);for(var m=0;m<a.vertices.length;m++)f=a.vertices[m],h=j(f,l),(null===i||h>i)&&(i=h),(null===k||h<k)&&(k=h);if(k>i){var n=k;k=i,i=n}var o=j(b,d);g.set(e,k+o,i+o)};var _=g.fromValues(0,0),aa=g.fromValues(0,0),ba=g.fromValues(0,0),ca=g.fromValues(0,0),da=g.fromValues(0,0),ea=g.fromValues(0,0);d.findSeparatingAxis=function(a,b,c,e,f,i,j){var k=null,l=!1,m=!1,n=_,o=aa,p=ba,q=ca,s=da,t=ea;if(a instanceof r&&e instanceof r)for(var u=0;2!==u;u++){var v=a,w=c;1===u&&(v=e,w=i);for(var x=0;2!==x;x++){0===x?g.set(q,0,1):1===x&&g.set(q,1,0),0!==w&&g.rotate(q,q,w),d.projectConvexOntoAxis(a,b,c,q,s),d.projectConvexOntoAxis(e,f,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=B<=0,(null===k||B>k)&&(g.copy(j,q),k=B,m=l)}}else for(var u=0;2!==u;u++){var v=a,w=c;1===u&&(v=e,w=i);for(var x=0;x!==v.vertices.length;x++){g.rotate(o,v.vertices[x],w),g.rotate(p,v.vertices[(x+1)%v.vertices.length],w),h(n,p,o),g.rotate90cw(q,n),g.normalize(q,q),d.projectConvexOntoAxis(a,b,c,q,s),d.projectConvexOntoAxis(e,f,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=B<=0,(null===k||B>k)&&(g.copy(j,q),k=B,m=l)}}return m};var fa=g.fromValues(0,0),ga=g.fromValues(0,0),ha=g.fromValues(0,0);d.getClosestEdge=function(a,b,c,d){var e=fa,f=ga,i=ha;g.rotate(e,c,-b),d&&g.scale(e,e,-1);for(var k=-1,l=a.vertices.length,m=-1,n=0;n!==l;n++){h(f,a.vertices[(n+1)%l],a.vertices[n%l]),g.rotate90cw(i,f),g.normalize(i,i);var o=j(i,e);(k===-1||o>m)&&(k=n%l,m=o)}return k};var ia=g.create(),ja=g.create(),ka=g.create(),la=g.create(),ma=g.create(),na=g.create(),oa=g.create();d.prototype[q.CIRCLE|q.HEIGHTFIELD]=d.prototype.circleHeightfield=function(a,b,c,d,e,f,j,k,l,m){var n=f.heights,m=m||b.radius,o=f.elementWidth,p=ja,q=ia,r=ma,s=oa,t=na,u=ka,v=la,w=Math.floor((c[0]-m-j[0])/o),x=Math.ceil((c[0]+m-j[0])/o);w<0&&(w=0),x>=n.length&&(x=n.length-1);for(var y=n[w],z=n[x],A=w;A<x;A++)n[A]<z&&(z=n[A]),n[A]>y&&(y=n[A]);if(c[1]-m>y)return!l&&0;for(var B=!1,A=w;A<x;A++){g.set(u,A*o,n[A]),g.set(v,(A+1)*o,n[A+1]),g.add(u,u,j),g.add(v,v,j),g.sub(t,v,u),g.rotate(t,t,Math.PI/2),g.normalize(t,t),g.scale(q,t,-m),g.add(q,q,c),g.sub(p,q,u);var C=g.dot(p,t);if(q[0]>=u[0]&&q[0]<v[0]&&C<=0){if(l)return!0;B=!0,g.scale(p,t,-C),g.add(r,q,p),g.copy(s,t);var D=this.createContactEquation(e,a,f,b);g.copy(D.normalA,s),g.scale(D.contactPointB,D.normalA,-m),i(D.contactPointB,D.contactPointB,c),h(D.contactPointB,D.contactPointB,a.position),g.copy(D.contactPointA,r),g.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;A<=x;A++)if(g.set(u,A*o,n[A]),g.add(u,u,j),g.sub(p,c,u),g.squaredLength(p)<Math.pow(m,2)){if(l)return!0;
B=!0;var D=this.createContactEquation(e,a,f,b);g.copy(D.normalA,p),g.normalize(D.normalA,D.normalA),g.scale(D.contactPointB,D.normalA,-m),i(D.contactPointB,D.contactPointB,c),h(D.contactPointB,D.contactPointB,a.position),h(D.contactPointA,u,j),i(D.contactPointA,D.contactPointA,j),h(D.contactPointA,D.contactPointA,e.position),this.contactEquations.push(D),this.enableFriction&&this.frictionEquations.push(this.createFrictionFromContact(D))}return B?1:0};var pa=g.create(),qa=g.create(),ra=g.create(),sa=new p({vertices:[g.create(),g.create(),g.create(),g.create()]});d.prototype[q.BOX|q.HEIGHTFIELD]=d.prototype[q.CONVEX|q.HEIGHTFIELD]=d.prototype.convexHeightfield=function(a,b,c,d,e,f,h,i,j){var k=f.heights,l=f.elementWidth,m=pa,n=qa,o=ra,p=sa,q=Math.floor((a.aabb.lowerBound[0]-h[0])/l),r=Math.ceil((a.aabb.upperBound[0]-h[0])/l);q<0&&(q=0),r>=k.length&&(r=k.length-1);for(var s=k[q],t=k[r],u=q;u<r;u++)k[u]<t&&(t=k[u]),k[u]>s&&(s=k[u]);if(a.aabb.lowerBound[1]>s)return!j&&0;for(var v=0,u=q;u<r;u++){g.set(m,u*l,k[u]),g.set(n,(u+1)*l,k[u+1]),g.add(m,m,h),g.add(n,n,h);var w=100;g.set(o,.5*(n[0]+m[0]),.5*(n[1]+m[1]-w)),g.sub(p.vertices[0],n,o),g.sub(p.vertices[1],m,o),g.copy(p.vertices[2],p.vertices[1]),g.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":21,"../equations/Equation":22,"../equations/FrictionEquation":23,"../math/vec2":30,"../objects/Body":31,"../shapes/Box":37,"../shapes/Circle":39,"../shapes/Convex":40,"../shapes/Shape":45,"../utils/ContactEquationPool":48,"../utils/FrictionEquationPool":49,"../utils/TupleDictionary":56,"../utils/Utils":57}],11:[function(a,b,c){function d(a){a=a||{},this.from=a.from?f.fromValues(a.from[0],a.from[1]):f.create(),this.to=a.to?f.fromValues(a.to[0],a.to[1]):f.create(),this.checkCollisionResponse=void 0===a.checkCollisionResponse||a.checkCollisionResponse,this.skipBackfaces=!!a.skipBackfaces,this.collisionMask=void 0!==a.collisionMask?a.collisionMask:-1,this.collisionGroup=void 0!==a.collisionGroup?a.collisionGroup:-1,this.mode=void 0!==a.mode?a.mode:d.ANY,this.callback=a.callback||function(a){},this.direction=f.create(),this.length=1,this.update()}function e(a,b,c){f.sub(h,c,a);var d=f.dot(h,b);return f.scale(i,b,d),f.add(i,i,a),f.squaredDistance(c,i)}b.exports=d;var f=a("../math/vec2");a("../collision/RaycastResult"),a("../shapes/Shape"),a("../collision/AABB");d.prototype.constructor=d,d.CLOSEST=1,d.ANY=2,d.ALL=4,d.prototype.update=function(){var a=this.direction;f.sub(a,this.to,this.from),this.length=f.length(a),f.normalize(a,a)},d.prototype.intersectBodies=function(a,b){for(var c=0,d=b.length;!a.shouldStop(this)&&c<d;c++){var e=b[c],f=e.getAABB();(f.overlapsRay(this)>=0||f.containsPoint(this.from))&&this.intersectBody(a,e)}};var g=f.create();d.prototype.intersectBody=function(a,b){var c=this.checkCollisionResponse;if(!c||b.collisionResponse)for(var d=g,e=0,h=b.shapes.length;e<h;e++){var i=b.shapes[e];if((!c||i.collisionResponse)&&0!==(this.collisionGroup&i.collisionMask)&&0!==(i.collisionGroup&this.collisionMask)){f.rotate(d,i.position,b.angle),f.add(d,d,b.position);var j=i.angle+b.angle;if(this.intersectShape(a,i,j,d,b),a.shouldStop(this))break}}},d.prototype.intersectShape=function(a,b,c,d,f){var g=this.from,h=e(g,this.direction,d);h>b.boundingRadius*b.boundingRadius||(this._currentBody=f,this._currentShape=b,b.raycast(a,this,d,c),this._currentBody=this._currentShape=null)},d.prototype.getAABB=function(a){var b=this.to,c=this.from;f.set(a.lowerBound,Math.min(b[0],c[0]),Math.min(b[1],c[1])),f.set(a.upperBound,Math.max(b[0],c[0]),Math.max(b[1],c[1]))};f.create();d.prototype.reportIntersection=function(a,b,c,e){var g=(this.from,this.to,this._currentShape),h=this._currentBody;if(!(this.skipBackfaces&&f.dot(c,this.direction)>0))switch(this.mode){case d.ALL:a.set(c,g,h,b,e),this.callback(a);break;case d.CLOSEST:(b<a.fraction||!a.hasHit())&&a.set(c,g,h,b,e);break;case d.ANY:a.set(c,g,h,b,e)}};var h=f.create(),i=f.create()},{"../collision/AABB":7,"../collision/RaycastResult":12,"../math/vec2":30,"../shapes/Shape":45}],12:[function(a,b,c){function d(){this.normal=e.create(),this.shape=null,this.body=null,this.faceIndex=-1,this.fraction=-1,this.isStopped=!1}var e=a("../math/vec2"),f=a("../collision/Ray");b.exports=d,d.prototype.reset=function(){e.set(this.normal,0,0),this.shape=null,this.body=null,this.faceIndex=-1,this.fraction=-1,this.isStopped=!1},d.prototype.getHitDistance=function(a){return e.distance(a.from,a.to)*this.fraction},d.prototype.hasHit=function(){return this.fraction!==-1},d.prototype.getHitPoint=function(a,b){e.lerp(a,b.from,b.to,this.fraction)},d.prototype.stop=function(){this.isStopped=!0},d.prototype.shouldStop=function(a){return this.isStopped||this.fraction!==-1&&a.mode===f.ANY},d.prototype.set=function(a,b,c,d,f){e.copy(this.normal,a),this.shape=b,this.body=c,this.fraction=d,this.faceIndex=f}},{"../collision/Ray":11,"../math/vec2":30}],13:[function(a,b,c){function d(){f.call(this,f.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);c!==-1&&a.axisList.splice(c,1)}}var e=a("../utils/Utils"),f=a("../collision/Broadphase");b.exports=d,d.prototype=new f,d.prototype.constructor=d,d.prototype.setWorld=function(a){this.axisList.length=0,e.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},d.sortAxisList=function(a,b){b|=0;for(var c=1,d=a.length;c<d;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},d.prototype.sortList=function(){var a=this.axisList,b=this.axisIndex;d.sortAxisList(a,b)},d.prototype.getCollisionPairs=function(a){var b=this.axisList,c=this.result,d=this.axisIndex;c.length=0;for(var e=b.length;e--;){var g=b[e];g.aabbNeedsUpdate&&g.updateAABB()}this.sortList();for(var h=0,i=0|b.length;h!==i;h++)for(var j=b[h],k=h+1;k<i;k++){var l=b[k],m=l.aabb.lowerBound[d]<=j.aabb.upperBound[d];if(!m)break;f.canCollide(j,l)&&this.boundingVolumeCheck(j,l)&&c.push(j,l)}return c},d.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":57}],14:[function(a,b,c){function d(a,b,c,d){this.type=c,d=e.defaults(d,{collideConnected:!0,wakeUpBodies:!0}),this.equations=[],this.bodyA=a,this.bodyB=b,this.collideConnected=d.collideConnected,d.wakeUpBodies&&(a&&a.wakeUp(),b&&b.wakeUp())}b.exports=d;var e=a("../utils/Utils");d.prototype.update=function(){throw new Error("method update() not implmemented in this Constraint subclass!")},d.DISTANCE=1,d.GEAR=2,d.LOCK=3,d.PRISMATIC=4,d.REVOLUTE=5,d.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}},d.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":57}],15:[function(a,b,c){function d(a,b,c){c=h.defaults(c,{localAnchorA:[0,0],localAnchorB:[0,0]}),e.call(this,a,b,e.DISTANCE,c),this.localAnchorA=g.fromValues(c.localAnchorA[0],c.localAnchorA[1]),this.localAnchorB=g.fromValues(c.localAnchorB[0],c.localAnchorB[1]);var d=this.localAnchorA,i=this.localAnchorB;if(this.distance=0,"number"==typeof c.distance)this.distance=c.distance;else{var j=g.create(),k=g.create(),l=g.create();g.rotate(j,d,a.angle),g.rotate(k,i,b.angle),g.add(l,b.position,k),g.sub(l,l,j),g.sub(l,l,a.position),this.distance=g.length(l)}var m;m="undefined"==typeof c.maxForce?Number.MAX_VALUE:c.maxForce;var n=new f(a,b,-m,m);this.equations=[n],this.maxForce=m;var l=g.create(),o=g.create(),p=g.create(),q=this;n.computeGq=function(){var a=this.bodyA,b=this.bodyB,c=a.position,e=b.position;return g.rotate(o,d,a.angle),g.rotate(p,i,b.angle),g.add(l,e,p),g.sub(l,l,o),g.sub(l,l,c),g.length(l)-q.distance},this.setMaxForce(m),this.upperLimitEnabled=!1,this.upperLimit=1,this.lowerLimitEnabled=!1,this.lowerLimit=0,this.position=0}var e=a("./Constraint"),f=a("../equations/Equation"),g=a("../math/vec2"),h=a("../utils/Utils");b.exports=d,d.prototype=new e,d.prototype.constructor=d;var i=g.create(),j=g.create(),k=g.create();d.prototype.update=function(){var a=this.equations[0],b=this.bodyA,c=this.bodyB,d=(this.distance,b.position),e=c.position,f=this.equations[0],h=a.G;g.rotate(j,this.localAnchorA,b.angle),g.rotate(k,this.localAnchorB,c.angle),g.add(i,e,k),g.sub(i,i,j),g.sub(i,i,d),this.position=g.length(i);var l=!1;if(this.upperLimitEnabled&&this.position>this.upperLimit&&(f.maxForce=0,f.minForce=-this.maxForce,this.distance=this.upperLimit,l=!0),this.lowerLimitEnabled&&this.position<this.lowerLimit&&(f.maxForce=this.maxForce,f.minForce=0,this.distance=this.lowerLimit,l=!0),(this.lowerLimitEnabled||this.upperLimitEnabled)&&!l)return void(f.enabled=!1);f.enabled=!0,g.normalize(i,i);var m=g.crossLength(j,i),n=g.crossLength(k,i);h[0]=-i[0],h[1]=-i[1],h[2]=-m,h[3]=i[0],h[4]=i[1],h[5]=n},d.prototype.setMaxForce=function(a){var b=this.equations[0];b.minForce=-a,b.maxForce=a},d.prototype.getMaxForce=function(){var a=this.equations[0];return a.maxForce}},{"../equations/Equation":22,"../math/vec2":30,"../utils/Utils":57,"./Constraint":14}],16:[function(a,b,c){function d(a,b,c){c=c||{},e.call(this,a,b,e.GEAR,c),this.ratio=void 0!==c.ratio?c.ratio:1,this.angle=void 0!==c.angle?c.angle:b.angle-this.ratio*a.angle,c.angle=this.angle,c.ratio=this.ratio,this.equations=[new f(a,b,c)],void 0!==c.maxTorque&&this.setMaxTorque(c.maxTorque)}var e=a("./Constraint"),f=(a("../equations/Equation"),a("../equations/AngleLockEquation"));a("../math/vec2");b.exports=d,d.prototype=new e,d.prototype.constructor=d,d.prototype.update=function(){var a=this.equations[0];a.ratio!==this.ratio&&a.setRatio(this.ratio),a.angle=this.angle},d.prototype.setMaxTorque=function(a){this.equations[0].setMaxTorque(a)},d.prototype.getMaxTorque=function(a){return this.equations[0].maxForce}},{"../equations/AngleLockEquation":20,"../equations/Equation":22,"../math/vec2":30,"./Constraint":14}],17:[function(a,b,c){function d(a,b,c){c=c||{},e.call(this,a,b,e.LOCK,c);var d="undefined"==typeof c.maxForce?Number.MAX_VALUE:c.maxForce,h=(c.localAngleB||0,new g(a,b,-d,d)),i=new g(a,b,-d,d),j=new g(a,b,-d,d),k=f.create(),l=f.create(),m=this;h.computeGq=function(){return f.rotate(k,m.localOffsetB,a.angle),f.sub(l,b.position,a.position),f.sub(l,l,k),l[0]},i.computeGq=function(){return f.rotate(k,m.localOffsetB,a.angle),f.sub(l,b.position,a.position),f.sub(l,l,k),l[1]};var n=f.create(),o=f.create();j.computeGq=function(){return f.rotate(n,m.localOffsetB,b.angle-m.localAngleB),f.scale(n,n,-1),f.sub(l,a.position,b.position),f.add(l,l,n),f.rotate(o,n,-Math.PI/2),f.normalize(o,o),f.dot(l,o)},this.localOffsetB=f.create(),c.localOffsetB?f.copy(this.localOffsetB,c.localOffsetB):(f.sub(this.localOffsetB,b.position,a.position),f.rotate(this.localOffsetB,this.localOffsetB,-a.angle)),this.localAngleB=0,"number"==typeof c.localAngleB?this.localAngleB=c.localAngleB:this.localAngleB=b.angle-a.angle,this.equations.push(h,i,j),this.setMaxForce(d)}var e=a("./Constraint"),f=a("../math/vec2"),g=a("../equations/Equation");b.exports=d,d.prototype=new e,d.prototype.constructor=d,d.prototype.setMaxForce=function(a){for(var b=this.equations,c=0;c<this.equations.length;c++)b[c].maxForce=a,b[c].minForce=-a},d.prototype.getMaxForce=function(){return this.equations[0].maxForce};var h=f.create(),i=f.create(),j=f.create(),k=f.fromValues(1,0),l=f.fromValues(0,1);d.prototype.update=function(){var a=this.equations[0],b=this.equations[1],c=this.equations[2],d=this.bodyA,e=this.bodyB;f.rotate(h,this.localOffsetB,d.angle),f.rotate(i,this.localOffsetB,e.angle-this.localAngleB),f.scale(i,i,-1),f.rotate(j,i,Math.PI/2),f.normalize(j,j),a.G[0]=-1,a.G[1]=0,a.G[2]=-f.crossLength(h,k),a.G[3]=1,b.G[0]=0,b.G[1]=-1,b.G[2]=-f.crossLength(h,l),b.G[4]=1,c.G[0]=-j[0],c.G[1]=-j[1],c.G[3]=j[0],c.G[4]=j[1],c.G[5]=f.crossLength(i,j)}},{"../equations/Equation":22,"../math/vec2":30,"./Constraint":14}],18:[function(a,b,c){function d(a,b,c){c=c||{},e.call(this,a,b,e.PRISMATIC,c);var d=h.fromValues(0,0),j=h.fromValues(1,0),k=h.fromValues(0,0);c.localAnchorA&&h.copy(d,c.localAnchorA),c.localAxisA&&h.copy(j,c.localAxisA),c.localAnchorB&&h.copy(k,c.localAnchorB),this.localAnchorA=d,this.localAnchorB=k,this.localAxisA=j;var l=this.maxForce="undefined"!=typeof c.maxForce?c.maxForce:Number.MAX_VALUE,m=new g(a,b,-l,l),n=new h.create,o=new h.create,p=new h.create,q=new h.create;if(m.computeGq=function(){return h.dot(p,q)},m.updateJacobian=function(){var c=this.G,e=a.position,f=b.position;h.rotate(n,d,a.angle),h.rotate(o,k,b.angle),h.add(p,f,o),h.sub(p,p,e),h.sub(p,p,n),h.rotate(q,j,a.angle+Math.PI/2),c[0]=-q[0],c[1]=-q[1],c[2]=-h.crossLength(n,q)+h.crossLength(q,p),c[3]=q[0],c[4]=q[1],c[5]=h.crossLength(o,q)},this.equations.push(m),!c.disableRotationalLock){var r=new i(a,b,-l,l);this.equations.push(r)}this.position=0,this.velocity=0,this.lowerLimitEnabled="undefined"!=typeof c.lowerLimit,this.upperLimitEnabled="undefined"!=typeof c.upperLimit,this.lowerLimit="undefined"!=typeof c.lowerLimit?c.lowerLimit:0,this.upperLimit="undefined"!=typeof c.upperLimit?c.upperLimit:1,this.upperLimitEquation=new f(a,b),this.lowerLimitEquation=new f(a,b),this.upperLimitEquation.minForce=this.lowerLimitEquation.minForce=0,this.upperLimitEquation.maxForce=this.lowerLimitEquation.maxForce=l,this.motorEquation=new g(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 e=a("./Constraint"),f=a("../equations/ContactEquation"),g=a("../equations/Equation"),h=a("../math/vec2"),i=a("../equations/RotationalLockEquation");b.exports=d,d.prototype=new e,d.prototype.constructor=d;var j=h.create(),k=h.create(),l=h.create(),m=h.create(),n=h.create(),o=h.create();d.prototype.update=function(){var a=this.equations,b=a[0],c=this.upperLimit,d=this.lowerLimit,e=this.upperLimitEquation,f=this.lowerLimitEquation,g=this.bodyA,i=this.bodyB,p=this.localAxisA,q=this.localAnchorA,r=this.localAnchorB;b.updateJacobian(),h.rotate(j,p,g.angle),h.rotate(m,q,g.angle),h.add(k,m,g.position),h.rotate(n,r,i.angle),h.add(l,n,i.position);var s=this.position=h.dot(l,j)-h.dot(k,j);if(this.motorEnabled){var t=this.motorEquation.G;t[0]=j[0],t[1]=j[1],t[2]=h.crossLength(j,n),t[3]=-j[0],t[4]=-j[1],t[5]=-h.crossLength(j,m)}if(this.upperLimitEnabled&&s>c)h.scale(e.normalA,j,-1),h.sub(e.contactPointA,k,g.position),h.sub(e.contactPointB,l,i.position),h.scale(o,j,c),h.add(e.contactPointA,e.contactPointA,o),a.indexOf(e)===-1&&a.push(e);else{var u=a.indexOf(e);u!==-1&&a.splice(u,1)}if(this.lowerLimitEnabled&&s<d)h.scale(f.normalA,j,1),h.sub(f.contactPointA,k,g.position),h.sub(f.contactPointB,l,i.position),h.scale(o,j,d),h.sub(f.contactPointB,f.contactPointB,o),a.indexOf(f)===-1&&a.push(f);else{var u=a.indexOf(f);u!==-1&&a.splice(u,1)}},d.prototype.enableMotor=function(){this.motorEnabled||(this.equations.push(this.motorEquation),this.motorEnabled=!0)},d.prototype.disableMotor=function(){if(this.motorEnabled){var a=this.equations.indexOf(this.motorEquation);this.equations.splice(a,1),this.motorEnabled=!1}},d.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":21,"../equations/Equation":22,"../equations/RotationalLockEquation":24,"../math/vec2":30,"./Constraint":14}],19:[function(a,b,c){function d(a,b,c){c=c||{},e.call(this,a,b,e.REVOLUTE,c);var d=this.maxForce="undefined"!=typeof c.maxForce?c.maxForce:Number.MAX_VALUE;this.pivotA=i.create(),this.pivotB=i.create(),c.worldPivot?(i.sub(this.pivotA,c.worldPivot,a.position),i.sub(this.pivotB,c.worldPivot,b.position),i.rotate(this.pivotA,this.pivotA,-a.angle),i.rotate(this.pivotB,this.pivotB,-b.angle)):(i.copy(this.pivotA,c.localPivotA),i.copy(this.pivotB,c.localPivotB));var o=this.equations=[new f(a,b,-d,d),new f(a,b,-d,d)],p=o[0],q=o[1],r=this;p.computeGq=function(){return i.rotate(j,r.pivotA,a.angle),i.rotate(k,r.pivotB,b.angle),i.add(n,b.position,k),i.sub(n,n,a.position),i.sub(n,n,j),i.dot(n,l)},q.computeGq=function(){return i.rotate(j,r.pivotA,a.angle),i.rotate(k,r.pivotB,b.angle),i.add(n,b.position,k),i.sub(n,n,a.position),i.sub(n,n,j),i.dot(n,m)},q.minForce=p.minForce=-d,q.maxForce=p.maxForce=d,this.motorEquation=new g(a,b),this.motorEnabled=!1,this.angle=0,this.lowerLimitEnabled=!1,this.upperLimitEnabled=!1,this.lowerLimit=0,this.upperLimit=0,this.upperLimitEquation=new h(a,b),this.lowerLimitEquation=new h(a,b),this.upperLimitEquation.minForce=0,this.lowerLimitEquation.maxForce=0}var e=a("./Constraint"),f=a("../equations/Equation"),g=a("../equations/RotationalVelocityEquation"),h=a("../equations/RotationalLockEquation"),i=a("../math/vec2");b.exports=d;var j=i.create(),k=i.create(),l=i.fromValues(1,0),m=i.fromValues(0,1),n=i.create();d.prototype=new e,d.prototype.constructor=d,d.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)},d.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],h=this.upperLimit,n=this.lowerLimit,o=this.upperLimitEquation,p=this.lowerLimitEquation,q=this.angle=b.angle-a.angle;if(this.upperLimitEnabled&&q>h)o.angle=h,e.indexOf(o)===-1&&e.push(o);else{var r=e.indexOf(o);r!==-1&&e.splice(r,1)}if(this.lowerLimitEnabled&&q<n)p.angle=n,e.indexOf(p)===-1&&e.push(p);else{var r=e.indexOf(p);r!==-1&&e.splice(r,1)}i.rotate(j,c,a.angle),i.rotate(k,d,b.angle),f.G[0]=-1,f.G[1]=0,f.G[2]=-i.crossLength(j,l),f.G[3]=1,f.G[4]=0,f.G[5]=i.crossLength(k,l),g.G[0]=0,g.G[1]=-1,g.G[2]=-i.crossLength(j,m),g.G[3]=0,g.G[4]=1,g.G[5]=i.crossLength(k,m)},d.prototype.enableMotor=function(){this.motorEnabled||(this.equations.push(this.motorEquation),this.motorEnabled=!0)},d.prototype.disableMotor=function(){if(this.motorEnabled){var a=this.equations.indexOf(this.motorEquation);this.equations.splice(a,1),this.motorEnabled=!1}},d.prototype.motorIsEnabled=function(){return!!this.motorEnabled},d.prototype.setMotorSpeed=function(a){if(this.motorEnabled){var b=this.equations.indexOf(this.motorEquation);this.equations[b].relativeVelocity=a}},d.prototype.getMotorSpeed=function(){return!!this.motorEnabled&&this.motorEquation.relativeVelocity}},{"../equations/Equation":22,"../equations/RotationalLockEquation":24,"../equations/RotationalVelocityEquation":25,"../math/vec2":30,"./Constraint":14}],20:[function(a,b,c){function d(a,b,c){c=c||{},e.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 e=a("./Equation");a("../math/vec2");b.exports=d,d.prototype=new e,d.prototype.constructor=d,d.prototype.computeGq=function(){return this.ratio*this.bodyA.angle-this.bodyB.angle+this.angle},d.prototype.setRatio=function(a){var b=this.G;b[2]=a,b[5]=-1,this.ratio=a},d.prototype.setMaxTorque=function(a){this.maxForce=a,this.minForce=-a}},{"../math/vec2":30,"./Equation":22}],21:[function(a,b,c){function d(a,b){e.call(this,a,b,0,Number.MAX_VALUE),this.contactPointA=f.create(),this.penetrationVec=f.create(),this.contactPointB=f.create(),this.normalA=f.create(),this.restitution=0,this.firstImpact=!1,this.shapeA=null,this.shapeB=null}var e=a("./Equation"),f=a("../math/vec2");b.exports=d,d.prototype=new e,d.prototype.constructor=d,d.prototype.computeB=function(a,b,c){var d=this.bodyA,e=this.bodyB,g=this.contactPointA,h=this.contactPointB,i=d.position,j=e.position,k=this.penetrationVec,l=this.normalA,m=this.G,n=f.crossLength(g,l),o=f.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,f.add(k,j,h),f.sub(k,k,i),f.sub(k,k,g);var p,q;this.firstImpact&&0!==this.restitution?(q=0,p=1/b*(1+this.restitution)*this.computeGW()):(q=f.dot(l,k)+this.offset,p=this.computeGW());var r=this.computeGiMf(),s=-q*a-p*b-c*r;return s};var g=f.create(),h=f.create(),i=f.create();d.prototype.getVelocityAlongNormal=function(){return this.bodyA.getVelocityAtPoint(g,this.contactPointA),this.bodyB.getVelocityAtPoint(h,this.contactPointB),f.subtract(i,g,h),f.dot(this.normalA,i)}},{"../math/vec2":30,"./Equation":22}],22:[function(a,b,c){function d(a,b,c,e){this.minForce="undefined"==typeof c?-Number.MAX_VALUE:c,this.maxForce="undefined"==typeof e?Number.MAX_VALUE:e,this.bodyA=a,this.bodyB=b,this.stiffness=d.DEFAULT_STIFFNESS,this.relaxation=d.DEFAULT_RELAXATION,this.G=new f.ARRAY_TYPE(6);for(var g=0;g<6;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=d;var e=a("../math/vec2"),f=a("../utils/Utils");a("../objects/Body");d.prototype.constructor=d,d.DEFAULT_STIFFNESS=1e6,d.DEFAULT_RELAXATION=4,d.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},d.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},d.prototype.computeB=function(a,b,c){var d=this.computeGW(),e=this.computeGq(),f=this.computeGiMf();return-e*a-d*b-f*c};var g=e.create(),h=e.create();d.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,g,d,h,e)+this.offset},d.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},d.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 i=e.create(),j=e.create();d.prototype.computeGiMf=function(){var a=this.bodyA,b=this.bodyB,c=a.force,d=a.angularForce,f=b.force,g=b.angularForce,h=a.invMassSolve,k=b.invMassSolve,l=a.invInertiaSolve,m=b.invInertiaSolve,n=this.G;return e.scale(i,c,h),e.multiply(i,a.massMultiplier,i),e.scale(j,f,k),e.multiply(j,b.massMultiplier,j),this.gmult(n,i,d*l,j,g*m)},d.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*a.massMultiplier[0]+g[1]*g[1]*c*a.massMultiplier[1]+g[2]*g[2]*e+g[3]*g[3]*d*b.massMultiplier[0]+g[4]*g[4]*d*b.massMultiplier[1]+g[5]*g[5]*f};var k=e.create(),l=e.create(),m=e.create();e.create(),e.create(),e.create();d.prototype.addToWlambda=function(a){var b=this.bodyA,c=this.bodyB,d=k,f=l,g=m,h=b.invMassSolve,i=c.invMassSolve,j=b.invInertiaSolve,n=c.invInertiaSolve,o=this.G;f[0]=o[0],f[1]=o[1],g[0]=o[3],g[1]=o[4],e.scale(d,f,h*a),e.multiply(d,d,b.massMultiplier),e.add(b.vlambda,b.vlambda,d),b.wlambda+=j*o[2]*a,e.scale(d,g,i*a),e.multiply(d,d,c.massMultiplier),e.add(c.vlambda,c.vlambda,d),c.wlambda+=n*o[5]*a},d.prototype.computeInvC=function(a){return 1/(this.computeGiMGt()+a)}},{"../math/vec2":30,"../objects/Body":31,"../utils/Utils":57}],23:[function(a,b,c){function d(a,b,c){f.call(this,a,b,-c,c),this.contactPointA=e.create(),this.contactPointB=e.create(),this.t=e.create(),this.contactEquations=[],this.shapeA=null,this.shapeB=null,this.frictionCoefficient=.3}var e=a("../math/vec2"),f=a("./Equation");a("../utils/Utils");b.exports=d,d.prototype=new f,d.prototype.constructor=d,d.prototype.setSlipForce=function(a){this.maxForce=a,this.minForce=-a},d.prototype.getSlipForce=function(){return this.maxForce},d.prototype.computeB=function(a,b,c){var d=(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]=-e.crossLength(d,g),h[3]=g[0],h[4]=g[1],h[5]=e.crossLength(f,g);var i=this.computeGW(),j=this.computeGiMf(),k=-i*b-c*j;return k}},{"../math/vec2":30,"../utils/Utils":57,"./Equation":22}],24:[function(a,b,c){function d(a,b,c){c=c||{},e.call(this,a,b,-Number.MAX_VALUE,Number.MAX_VALUE),this.angle=c.angle||0;var d=this.G;d[2]=1,d[5]=-1}var e=a("./Equation"),f=a("../math/vec2");b.exports=d,d.prototype=new e,d.prototype.constructor=d;var g=f.create(),h=f.create(),i=f.fromValues(1,0),j=f.fromValues(0,1);d.prototype.computeGq=function(){return f.rotate(g,i,this.bodyA.angle+this.angle),f.rotate(h,j,this.bodyB.angle),f.dot(g,h)}},{"../math/vec2":30,"./Equation":22}],25:[function(a,b,c){function d(a,b){e.call(this,a,b,-Number.MAX_VALUE,Number.MAX_VALUE),this.relativeVelocity=1,this.ratio=1}var e=a("./Equation");a("../math/vec2");b.exports=d,d.prototype=new e,d.prototype.constructor=d,d.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":30,"./Equation":22}],26:[function(a,b,c){var d=function(){};b.exports=d,d.prototype={constructor:d,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]=[]),d[a].indexOf(b)===-1&&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]&&c[a].indexOf(b)!==-1)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 d!==-1&&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;d<e;d++){var f=c[d];f.call(f.context,a)}}return this}}},{}],27:[function(a,b,c){function d(a,b,c){if(c=c||{},!(a instanceof e&&b instanceof e))throw new Error("First two arguments must be Material instances.");this.id=d.idCounter++,this.materialA=a,this.materialB=b,this.friction="undefined"!=typeof c.friction?Number(c.friction):.3,this.restitution="undefined"!=typeof c.restitution?Number(c.restitution):0,this.stiffness="undefined"!=typeof c.stiffness?Number(c.stiffness):f.DEFAULT_STIFFNESS,this.relaxation="undefined"!=typeof c.relaxation?Number(c.relaxation):f.DEFAULT_RELAXATION,this.frictionStiffness="undefined"!=typeof c.frictionStiffness?Number(c.frictionStiffness):f.DEFAULT_STIFFNESS,this.frictionRelaxation="undefined"!=typeof c.frictionRelaxation?Number(c.frictionRelaxation):f.DEFAULT_RELAXATION,this.surfaceVelocity="undefined"!=typeof c.surfaceVelocity?Number(c.surfaceVelocity):0,this.contactSkinSize=.005}var e=a("./Material"),f=a("../equations/Equation");b.exports=d,d.idCounter=0},{"../equations/Equation":22,"./Material":28}],28:[function(a,b,c){function d(a){this.id=a||d.idCounter++}b.exports=d,d.idCounter=0},{}],29:[function(a,b,c){var d={};d.GetArea=function(a){if(a.length<6)return 0;for(var b=a.length-2,c=0,d=0;d<b;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},d.Triangulate=function(a){var b=a.length>>1;if(b<3)return[];for(var c=[],e=[],f=0;f<b;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(d._convex(k,l,m,n,o,p)){q=!0;for(var r=0;r<g;r++){var s=e[r];if(s!=h&&s!=i&&s!=j&&d._PointInTriangle(a[2*s],a[2*s+1],k,l,m,n,o,p)){q=!1;break}}}if(q)c.push(h,i,j),e.splice((f+1)%g,1),g--,f=0;else if(f++>3*g)break}return c.push(e[0],e[1],e[2]),c},d._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&&u+v<1},d._convex=function(a,b,c,d,e,f){return(b-d)*(e-c)+(c-a)*(f-d)>=0},b.exports=d},{}],30:[function(a,b,c){var d=b.exports={},e=a("../utils/Utils");d.crossLength=function(a,b){return a[0]*b[1]-a[1]*b[0]},d.crossVZ=function(a,b,c){return d.rotate(a,b,-Math.PI/2),d.scale(a,a,c),a},d.crossZV=function(a,b,c){return d.rotate(a,c,Math.PI/2),d.scale(a,a,b),a},d.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]},d.rotate90cw=function(a,b){var c=b[0],d=b[1];a[0]=d,a[1]=-c},d.toLocalFrame=function(a,b,c,e){d.copy(a,b),d.sub(a,a,c),d.rotate(a,a,-e)},d.toGlobalFrame=function(a,b,c,e){d.copy(a,b),d.rotate(a,a,e),d.add(a,a,c)},d.vectorToLocalFrame=function(a,b,c){d.rotate(a,b,-c)},d.vectorToGlobalFrame=function(a,b,c){d.rotate(a,b,c)},d.centroid=function(a,b,c,e){return d.add(a,b,c),d.add(a,a,e),d.scale(a,a,1/3),a},d.create=function(){var a=new e.ARRAY_TYPE(2);return a[0]=0,a[1]=0,a},d.clone=function(a){var b=new e.ARRAY_TYPE(2);return b[0]=a[0],b[1]=a[1],b},d.fromValues=function(a,b){var c=new e.ARRAY_TYPE(2);return c[0]=a,c[1]=b,c},d.copy=function(a,b){return a[0]=b[0],a[1]=b[1],a},d.set=function(a,b,c){return a[0]=b,a[1]=c,a},d.add=function(a,b,c){return a[0]=b[0]+c[0],a[1]=b[1]+c[1],a},d.subtract=function(a,b,c){return a[0]=b[0]-c[0],a[1]=b[1]-c[1],a},d.sub=d.subtract,d.multiply=function(a,b,c){return a[0]=b[0]*c[0],a[1]=b[1]*c[1],a},d.mul=d.multiply,d.divide=function(a,b,c){return a[0]=b[0]/c[0],a[1]=b[1]/c[1],a},d.div=d.divide,d.scale=function(a,b,c){return a[0]=b[0]*c,a[1]=b[1]*c,a},d.distance=function(a,b){var c=b[0]-a[0],d=b[1]-a[1];return Math.sqrt(c*c+d*d)},d.dist=d.distance,d.squaredDistance=function(a,b){var c=b[0]-a[0],d=b[1]-a[1];return c*c+d*d},d.sqrDist=d.squaredDistance,d.length=function(a){var b=a[0],c=a[1];return Math.sqrt(b*b+c*c)},d.len=d.length,d.squaredLength=function(a){var b=a[0],c=a[1];return b*b+c*c},d.sqrLen=d.squaredLength,d.negate=function(a,b){return a[0]=-b[0],a[1]=-b[1],a},d.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},d.dot=function(a,b){return a[0]*b[0]+a[1]*b[1]},d.str=function(a){return"vec2("+a[0]+", "+a[1]+")"},d.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},d.reflect=function(a,b,c){var d=b[0]*c[0]+b[1]*c[1];a[0]=b[0]-2*c[0]*d,a[1]=b[1]-2*c[1]*d},d.getLineSegmentsIntersection=function(a,b,c,e,f){var g=d.getLineSegmentsIntersectionFraction(b,c,e,f);return!(g<0)&&(a[0]=b[0]+g*(c[0]-b[0]),a[1]=b[1]+g*(c[1]-b[1]),!0)},d.getLineSegmentsIntersectionFraction=function(a,b,c,d){var e,f,g=b[0]-a[0],h=b[1]-a[1],i=d[0]-c[0],j=d[1]-c[1];return e=(-h*(a[0]-c[0])+g*(a[1]-c[1]))/(-i*h+g*j),f=(i*(a[1]-c[1])-j*(a[0]-c[0]))/(-i*h+g*j),e>=0&&e<=1&&f>=0&&f<=1?f:-1}},{"../utils/Utils":57}],31:[function(a,b,c){function d(a){a=a||{},k.call(this),this.id=a.id||++d._idCounter,this.world=null,this.shapes=[],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.fixedX=!!a.fixedX,this.fixedY=!!a.fixedY,this.massMultiplier=e.create(),this.position=e.fromValues(0,0),a.position&&e.copy(this.position,a.position),this.interpolatedPosition=e.fromValues(0,0),this.interpolatedAngle=0,this.previousPosition=e.fromValues(0,0),this.previousAngle=0,this.velocity=e.fromValues(0,0),a.velocity&&e.copy(this.velocity,a.velocity),this.vlambda=e.fromValues(0,0),this.wlambda=0,this.angle=a.angle||0,this.angularVelocity=a.angularVelocity||0,this.force=e.create(),a.force&&e.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=d.STATIC,"undefined"!=typeof a.type?this.type=a.type:a.mass?this.type=d.DYNAMIC:this.type=d.STATIC,this.boundingRadius=0,this.aabb=new j,this.aabbNeedsUpdate=!0,this.allowSleep=void 0===a.allowSleep||a.allowSleep,this.wantsToSleep=!1,this.sleepState=d.AWAKE,this.sleepSpeedLimit=void 0!==a.sleepSpeedLimit?a.sleepSpeedLimit:.2,this.sleepTimeLimit=void 0!==a.sleepTimeLimit?a.sleepTimeLimit:1,this.gravityScale=void 0!==a.gravityScale?a.gravityScale:1,this.collisionResponse=void 0===a.collisionResponse||a.collisionResponse,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 e=a("../math/vec2"),f=a("poly-decomp"),g=a("../shapes/Convex"),h=a("../collision/RaycastResult"),i=a("../collision/Ray"),j=a("../collision/AABB"),k=a("../events/EventEmitter");b.exports=d,d.prototype=new k,d.prototype.constructor=d,d._idCounter=0,d.prototype.updateSolveMassProperties=function(){this.sleepState===d.SLEEPING||this.type===d.KINEMATIC?(this.invMassSolve=0,this.invInertiaSolve=0):(this.invMassSolve=this.invMass,this.invInertiaSolve=this.invInertia)},d.prototype.setDensity=function(a){var b=this.getArea();this.mass=b*a,this.updateMassProperties()},d.prototype.getArea=function(){for(var a=0,b=0;b<this.shapes.length;b++)a+=this.shapes[b].area;return a},d.prototype.getAABB=function(){return this.aabbNeedsUpdate&&this.updateAABB(),this.aabb};var l=new j,m=e.create();d.prototype.updateAABB=function(){for(var a=this.shapes,b=a.length,c=m,d=this.angle,f=0;f!==b;f++){var g=a[f],h=g.angle+d;e.rotate(c,g.position,d),e.add(c,c,this.position),g.computeAABB(l,c,h),0===f?this.aabb.copy(l):this.aabb.extend(l)}this.aabbNeedsUpdate=!1},d.prototype.updateBoundingRadius=function(){for(var a=this.shapes,b=a.length,c=0,d=0;d!==b;d++){var f=a[d],g=e.length(f.position),h=f.boundingRadius;g+h>c&&(c=g+h)}this.boundingRadius=c},d.prototype.addShape=function(a,b,c){if(a.body)throw new Error("A shape can only be added to one body.");a.body=this,b?e.copy(a.position,b):e.set(a.position,0,0),a.angle=c||0,this.shapes.push(a),this.updateMassProperties(),this.updateBoundingRadius(),this.aabbNeedsUpdate=!0},d.prototype.removeShape=function(a){var b=this.shapes.indexOf(a);return b!==-1&&(this.shapes.splice(b,1),this.aabbNeedsUpdate=!0,a.body=null,!0)},d.prototype.updateMassProperties=function(){if(this.type===d.STATIC||this.type===d.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,c=this.mass/b,f=0;if(this.fixedRotation)this.inertia=Number.MAX_VALUE,this.invInertia=0;else{for(var g=0;g<b;g++){var h=a[g],i=e.squaredLength(h.position),j=h.computeMomentOfInertia(c);f+=j+c*i}this.inertia=f,this.invInertia=f>0?1/f:0}this.invMass=1/this.mass,e.set(this.massMultiplier,this.fixedX?0:1,this.fixedY?0:1)}};e.create();d.prototype.applyForce=function(a,b){if(e.add(this.force,this.force,a),b){var c=e.crossLength(b,a);this.angularForce+=c}};var n=e.create(),o=e.create(),p=e.create();d.prototype.applyForceLocal=function(a,b){b=b||p;var c=n,d=o;this.vectorToWorldFrame(c,a),this.vectorToWorldFrame(d,b),this.applyForce(c,d)};var q=e.create();d.prototype.applyImpulse=function(a,b){if(this.type===d.DYNAMIC){var c=q;if(e.scale(c,a,this.invMass),e.multiply(c,this.massMultiplier,c),e.add(this.velocity,c,this.velocity),b){var f=e.crossLength(b,a);f*=this.invInertia,this.angularVelocity+=f}}};var r=e.create(),s=e.create(),t=e.create();d.prototype.applyImpulseLocal=function(a,b){b=b||t;var c=r,d=s;this.vectorToWorldFrame(c,a),this.vectorToWorldFrame(d,b),this.applyImpulse(c,d)},d.prototype.toLocalFrame=function(a,b){e.toLocalFrame(a,b,this.position,this.angle)},d.prototype.toWorldFrame=function(a,b){e.toGlobalFrame(a,b,this.position,this.angle)},d.prototype.vectorToLocalFrame=function(a,b){e.vectorToLocalFrame(a,b,this.angle)},d.prototype.vectorToWorldFrame=function(a,b){e.vectorToGlobalFrame(a,b,this.angle)},d.prototype.fromPolygon=function(a,b){b=b||{};for(var c=this.shapes.length;c>=0;--c)this.removeShape(this.shapes[c]);var d=new f.Polygon;if(d.vertices=a,d.makeCCW(),"number"==typeof b.removeCollinearPoints&&d.removeCollinearPoints(b.removeCollinearPoints),"undefined"==typeof b.skipSimpleCheck&&!d.isSimple())return!1;this.concavePath=d.vertices.slice(0);for(var c=0;c<this.concavePath.length;c++){var h=[0,0];e.copy(h,this.concavePath[c]),this.concavePath[c]=h}var i;i=b.optimalDecomp?d.decomp():d.quickDecomp();for(var j=e.create(),c=0;c!==i.length;c++){for(var k=new g({vertices:i[c].vertices}),l=0;l!==k.vertices.length;l++){var h=k.vertices[l];e.sub(h,h,k.centerOfMass)}e.scale(j,k.centerOfMass,1),k.updateTriangles(),k.updateCenterOfMass(),k.updateBoundingRadius(),this.addShape(k,j)}return this.adjustCenterOfMass(),this.aabbNeedsUpdate=!0,!0};var u=(e.fromValues(0,0),e.fromValues(0,0)),v=e.fromValues(0,0),w=e.fromValues(0,0);d.prototype.adjustCenterOfMass=function(){var a=u,b=v,c=w,d=0;e.set(b,0,0);for(var f=0;f!==this.shapes.length;f++){var g=this.shapes[f];e.scale(a,g.position,g.area),e.add(b,b,a),d+=g.area}e.scale(c,b,1/d);for(var f=0;f!==this.shapes.length;f++){var g=this.shapes[f];e.sub(g.position,g.position,c)}e.add(this.position,this.position,c);for(var f=0;this.concavePath&&f<this.concavePath.length;f++)e.sub(this.concavePath[f],this.concavePath[f],c);this.updateMassProperties(),this.updateBoundingRadius()},d.prototype.setZeroForce=function(){e.set(this.force,0,0),this.angularForce=0},d.prototype.resetConstraintVelocity=function(){var a=this,b=a.vlambda;e.set(b,0,0),a.wlambda=0},d.prototype.addConstraintVelocity=function(){var a=this,b=a.velocity;e.add(b,b,a.vlambda),a.angularVelocity+=a.wlambda},d.prototype.applyDamping=function(a){if(this.type===d.DYNAMIC){var b=this.velocity;e.scale(b,b,Math.pow(1-this.damping,a)),this.angularVelocity*=Math.pow(1-this.angularDamping,a)}},d.prototype.wakeUp=function(){var a=this.sleepState;this.sleepState=d.AWAKE,this.idleTime=0,a!==d.AWAKE&&this.emit(d.wakeUpEvent)},d.prototype.sleep=function(){this.sleepState=d.SLEEPING,this.angularVelocity=0,this.angularForce=0,e.set(this.velocity,0,0),e.set(this.force,0,0),this.emit(d.sleepEvent)},d.prototype.sleepTick=function(a,b,c){if(this.allowSleep&&this.type!==d.SLEEPING){this.wantsToSleep=!1;var f=(this.sleepState,e.squaredLength(this.velocity)+Math.pow(this.angularVelocity,2)),g=Math.pow(this.sleepSpeedLimit,2);f>=g?(this.idleTime=0,this.sleepState=d.AWAKE):(this.idleTime+=c,this.sleepState=d.SLEEPY),this.idleTime>this.sleepTimeLimit&&(b?this.wantsToSleep=!0:this.sleep())}},d.prototype.overlaps=function(a){return this.world.overlapKeeper.bodiesAreOverlapping(this,a)};var x=e.create(),y=e.create();d.prototype.integrate=function(a){var b=this.invMass,c=this.force,d=this.position,f=this.velocity;e.copy(this.previousPosition,this.position),this.previousAngle=this.angle,this.fixedRotation||(this.angularVelocity+=this.angularForce*this.invInertia*a),e.scale(x,c,a*b),e.multiply(x,this.massMultiplier,x),e.add(f,x,f),this.integrateToTimeOfImpact(a)||(e.scale(y,f,a),e.add(d,d,y),this.fixedRotation||(this.angle+=this.angularVelocity*a)),this.aabbNeedsUpdate=!0};var z=new h,A=new i({mode:i.ALL}),B=e.create(),C=e.create(),D=e.create(),E=e.create();d.prototype.integrateToTimeOfImpact=function(a){if(this.ccdSpeedThreshold<0||e.squaredLength(this.velocity)<Math.pow(this.ccdSpeedThreshold,2))return!1;e.normalize(B,this.velocity),e.scale(C,this.velocity,a),e.add(C,C,this.position),e.sub(D,C,this.position);var b,c=this.angularVelocity*a,d=e.length(D),f=1,g=this;if(z.reset(),A.callback=function(a){a.body!==g&&(b=a.body,a.getHitPoint(C,A),e.sub(D,C,g.position),f=e.length(D)/d,a.stop())},e.copy(A.from,this.position),e.copy(A.to,C),A.update(),this.world.raycast(z,A),!b)return!1;var h=this.angle;e.copy(E,this.position);for(var i=0,j=0,k=0,l=f;l>=j&&i<this.ccdIterations;){i++,k=(l-j)/2,e.scale(y,D,f),e.add(this.position,E,y),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,e.copy(this.position,E),this.angle=h,e.scale(y,D,f),e.add(this.position,this.position,y),this.fixedRotation||(this.angle+=c*f),!0},d.prototype.getVelocityAtPoint=function(a,b){return e.crossVZ(a,b,this.angularVelocity),e.subtract(a,this.velocity,a),a},d.sleepyEvent={type:"sleepy"},d.sleepEvent={type:"sleep"},d.wakeUpEvent={type:"wakeup"},d.DYNAMIC=1,d.STATIC=2,d.KINEMATIC=4,d.AWAKE=0,d.SLEEPY=1,d.SLEEPING=2},{"../collision/AABB":7,"../collision/Ray":11,"../collision/RaycastResult":12,"../events/EventEmitter":26,"../math/vec2":30,"../shapes/Convex":40,"poly-decomp":5}],32:[function(a,b,c){function d(a,b,c){c=c||{},f.call(this,a,b,c),this.localAnchorA=e.fromValues(0,0),this.localAnchorB=e.fromValues(0,0),c.localAnchorA&&e.copy(this.localAnchorA,c.localAnchorA),c.localAnchorB&&e.copy(this.localAnchorB,c.localAnchorB),c.worldAnchorA&&this.setWorldAnchorA(c.worldAnchorA),c.worldAnchorB&&this.setWorldAnchorB(c.worldAnchorB);var d=e.create(),g=e.create();this.getWorldAnchorA(d),this.getWorldAnchorB(g);var h=e.distance(d,g);this.restLength="number"==typeof c.restLength?c.restLength:h}var e=a("../math/vec2"),f=a("./Spring");a("../utils/Utils");b.exports=d,d.prototype=new f,d.prototype.constructor=d,d.prototype.setWorldAnchorA=function(a){this.bodyA.toLocalFrame(this.localAnchorA,a)},d.prototype.setWorldAnchorB=function(a){this.bodyB.toLocalFrame(this.localAnchorB,a)},d.prototype.getWorldAnchorA=function(a){this.bodyA.toWorldFrame(a,this.localAnchorA)},d.prototype.getWorldAnchorB=function(a){this.bodyB.toWorldFrame(a,this.localAnchorB)};var g=e.create(),h=e.create(),i=e.create(),j=e.create(),k=e.create(),l=e.create(),m=e.create(),n=e.create(),o=e.create();d.prototype.applyForce=function(){var a=this.stiffness,b=this.damping,c=this.restLength,d=this.bodyA,f=this.bodyB,p=g,q=h,r=i,s=j,t=o,u=k,v=l,w=m,x=n;this.getWorldAnchorA(u),this.getWorldAnchorB(v),e.sub(w,u,d.position),e.sub(x,v,f.position),e.sub(p,v,u);var y=e.len(p);e.normalize(q,p),e.sub(r,f.velocity,d.velocity),e.crossZV(t,f.angularVelocity,x),e.add(r,r,t),e.crossZV(t,d.angularVelocity,w),e.sub(r,r,t),e.scale(s,q,-a*(y-c)-b*e.dot(r,q)),e.sub(d.force,d.force,s),e.add(f.force,f.force,s);var z=e.crossLength(w,s),A=e.crossLength(x,s);d.angularForce-=z,f.angularForce+=A}},{"../math/vec2":30,"../utils/Utils":57,"./Spring":34}],33:[function(a,b,c){function d(a,b,c){c=c||{},e.call(this,a,b,c),this.restAngle="number"==typeof c.restAngle?c.restAngle:b.angle-a.angle}var e=(a("../math/vec2"),a("./Spring"));b.exports=d,d.prototype=new e,d.prototype.constructor=d,d.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":30,"./Spring":34}],34:[function(a,b,c){function d(a,b,c){c=e.defaults(c,{stiffness:100,damping:1}),this.stiffness=c.stiffness,this.damping=c.damping,this.bodyA=a,this.bodyB=b}var e=(a("../math/vec2"),a("../utils/Utils"));b.exports=d,d.prototype.applyForce=function(){}},{"../math/vec2":30,"../utils/Utils":57}],35:[function(a,b,c){function d(a,b){b=b||{},this.chassisBody=a,this.wheels=[],this.groundBody=new i({mass:0}),this.world=null;var c=this;this.preStepCallback=function(){c.update()}}function e(a,b){b=b||{},this.vehicle=a,this.forwardEquation=new h(a.chassisBody,a.groundBody),this.sideEquation=new h(a.chassisBody,a.groundBody),this.steerValue=0,this.engineForce=0,this.setSideFriction(void 0!==b.sideFriction?b.sideFriction:5),this.localForwardVector=f.fromValues(0,1),b.localForwardVector&&f.copy(this.localForwardVector,b.localForwardVector),this.localPosition=f.fromValues(0,0),b.localPosition&&f.copy(this.localPosition,b.localPosition),g.apply(this,a.chassisBody,a.groundBody),this.equations.push(this.forwardEquation,this.sideEquation),this.setBrakeForce(0)}var f=a("../math/vec2"),g=(a("../utils/Utils"),a("../constraints/Constraint")),h=a("../equations/FrictionEquation"),i=a("../objects/Body");b.exports=d,d.prototype.addToWorld=function(a){this.world=a,a.addBody(this.groundBody),a.on("preStep",this.preStepCallback);for(var b=0;b<this.wheels.length;b++){var c=this.wheels[b];a.addConstraint(c)}},d.prototype.removeFromWorld=function(){var a=this.world;a.removeBody(this.groundBody),a.off("preStep",this.preStepCallback);for(var b=0;b<this.wheels.length;b++){var c=this.wheels[b];a.removeConstraint(c)}this.world=null},d.prototype.addWheel=function(a){var b=new e(this,a);return this.wheels.push(b),b},d.prototype.update=function(){for(var a=0;a<this.wheels.length;a++)this.wheels[a].update()},e.prototype=new g,e.prototype.setBrakeForce=function(a){this.forwardEquation.setSlipForce(a)},e.prototype.setSideFriction=function(a){this.sideEquation.setSlipForce(a)};var j=f.create(),k=f.create();e.prototype.getSpeed=function(){return this.vehicle.chassisBody.vectorToWorldFrame(k,this.localForwardVector),this.vehicle.chassisBody.getVelocityAtPoint(j,k),f.dot(j,k)};var l=f.create();e.prototype.update=function(){this.vehicle.chassisBody.vectorToWorldFrame(this.forwardEquation.t,this.localForwardVector),f.rotate(this.sideEquation.t,this.localForwardVector,Math.PI/2),this.vehicle.chassisBody.vectorToWorldFrame(this.sideEquation.t,this.sideEquation.t),f.rotate(this.forwardEquation.t,this.forwardEquation.t,this.steerValue),f.rotate(this.sideEquation.t,this.sideEquation.t,this.steerValue),this.vehicle.chassisBody.toWorldFrame(this.forwardEquation.contactPointB,this.localPosition),f.copy(this.sideEquation.contactPointB,this.forwardEquation.contactPointB),this.vehicle.chassisBody.vectorToWorldFrame(this.forwardEquation.contactPointA,this.localPosition),f.copy(this.sideEquation.contactPointA,this.forwardEquation.contactPointA),f.normalize(l,this.forwardEquation.t),f.scale(l,l,this.engineForce),this.vehicle.chassisBody.applyForce(l,this.forwardEquation.contactPointA)}},{"../constraints/Constraint":14,"../equations/FrictionEquation":23,"../math/vec2":30,"../objects/Body":31,"../utils/Utils":57}],36:[function(a,b,c){var d=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"),ContactEquationPool:a("./utils/ContactEquationPool"),ContactMaterial:a("./material/ContactMaterial"),Convex:a("./shapes/Convex"),DistanceConstraint:a("./constraints/DistanceConstraint"),Equation:a("./equations/Equation"),EventEmitter:a("./events/EventEmitter"),FrictionEquation:a("./equations/FrictionEquation"),FrictionEquationPool:a("./utils/FrictionEquationPool"),GearConstraint:a("./constraints/GearConstraint"),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"),Pool:a("./utils/Pool"),RevoluteConstraint:a("./constraints/RevoluteConstraint"),PrismaticConstraint:a("./constraints/PrismaticConstraint"),Ray:a("./collision/Ray"),RaycastResult:a("./collision/RaycastResult"),Box:a("./shapes/Box"),RotationalVelocityEquation:a("./equations/RotationalVelocityEquation"),SAPBroadphase:a("./collision/SAPBroadphase"),Shape:a("./shapes/Shape"),Solver:a("./solver/Solver"),Spring:a("./objects/Spring"),TopDownVehicle:a("./objects/TopDownVehicle"),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};Object.defineProperty(d,"Rectangle",{get:function(){return console.warn("The Rectangle class has been renamed to Box."),this.Box}})},{"../package.json":6,"./collision/AABB":7,"./collision/Broadphase":8,"./collision/NaiveBroadphase":9,"./collision/Narrowphase":10,"./collision/Ray":11,"./collision/RaycastResult":12,"./collision/SAPBroadphase":13,"./constraints/Constraint":14,"./constraints/DistanceConstraint":15,"./constraints/GearConstraint":16,"./constraints/LockConstraint":17,"./constraints/PrismaticConstraint":18,"./constraints/RevoluteConstraint":19,"./equations/AngleLockEquation":20,"./equations/ContactEquation":21,"./equations/Equation":22,"./equations/FrictionEquation":23,"./equations/RotationalVelocityEquation":25,"./events/EventEmitter":26,"./material/ContactMaterial":27,"./material/Material":28,"./math/vec2":30,"./objects/Body":31,"./objects/LinearSpring":32,"./objects/RotationalSpring":33,"./objects/Spring":34,"./objects/TopDownVehicle":35,"./shapes/Box":37,"./shapes/Capsule":38,"./shapes/Circle":39,"./shapes/Convex":40,"./shapes/Heightfield":41,"./shapes/Line":42,"./shapes/Particle":43,"./shapes/Plane":44,"./shapes/Shape":45,"./solver/GSSolver":46,"./solver/Solver":47,"./utils/ContactEquationPool":48,"./utils/FrictionEquationPool":49,"./utils/Pool":55,"./utils/Utils":57,"./world/World":61}],37:[function(a,b,c){function d(a){"number"==typeof arguments[0]&&"number"==typeof arguments[1]&&(a={width:arguments[0],height:arguments[1]},console.warn("The Rectangle has been renamed to Box and its constructor signature has changed. Please use the following format: new Box({ width: 1, height: 1, ... })")),a=a||{};var b=this.width=a.width||1,c=this.height=a.height||1,d=[e.fromValues(-b/2,-c/2),e.fromValues(b/2,-c/2),e.fromValues(b/2,c/2),e.fromValues(-b/2,c/2)],h=[e.fromValues(1,0),e.fromValues(0,1)];a.vertices=d,a.axes=h,a.type=f.BOX,g.call(this,a)}var e=a("../math/vec2"),f=a("./Shape"),g=a("./Convex");b.exports=d,d.prototype=new g,d.prototype.constructor=d,d.prototype.computeMomentOfInertia=function(a){var b=this.width,c=this.height;return a*(c*c+b*b)/12},d.prototype.updateBoundingRadius=function(){var a=this.width,b=this.height;this.boundingRadius=Math.sqrt(a*a+b*b)/2};e.create(),e.create(),e.create(),e.create();d.prototype.computeAABB=function(a,b,c){a.setFromPoints(this.vertices,b,c,0)},d.prototype.updateArea=function(){this.area=this.width*this.height}},{"../math/vec2":30,"./Convex":40,"./Shape":45}],38:[function(a,b,c){function d(a){"number"==typeof arguments[0]&&"number"==typeof arguments[1]&&(a={length:arguments[0],radius:arguments[1]},console.warn("The Capsule constructor signature has changed. Please use the following format: new Capsule({ radius: 1, length: 1 })")),a=a||{},this.length=a.length||1,this.radius=a.radius||1,a.type=e.CAPSULE,e.call(this,a)}var e=a("./Shape"),f=a("../math/vec2");b.exports=d,d.prototype=new e,d.prototype.constructor=d,d.prototype.computeMomentOfInertia=function(a){var b=this.radius,c=this.length+b,d=2*b;return a*(d*d+c*c)/12},d.prototype.updateBoundingRadius=function(){this.boundingRadius=this.radius+this.length/2},d.prototype.updateArea=function(){this.area=Math.PI*this.radius*this.radius+2*this.radius*this.length};var g=f.create();d.prototype.computeAABB=function(a,b,c){var d=this.radius;f.set(g,this.length/2,0),0!==c&&f.rotate(g,g,c),f.set(a.upperBound,Math.max(g[0]+d,-g[0]+d),Math.max(g[1]+d,-g[1]+d)),f.set(a.lowerBound,Math.min(g[0]-d,-g[0]-d),Math.min(g[1]-d,-g[1]-d)),f.add(a.lowerBound,a.lowerBound,b),f.add(a.upperBound,a.upperBound,b)};var h=f.create(),i=f.create(),j=f.create(),k=f.create(),l=f.fromValues(0,1);d.prototype.raycast=function(a,b,c,d){for(var e=b.from,g=b.to,m=(b.direction,h),n=i,o=j,p=k,q=this.length/2,r=0;r<2;r++){var s=this.radius*(2*r-1);f.set(o,-q,s),f.set(p,q,s),f.toGlobalFrame(o,o,c,d),f.toGlobalFrame(p,p,c,d);var t=f.getLineSegmentsIntersectionFraction(e,g,o,p);if(t>=0&&(f.rotate(n,l,d),f.scale(n,n,2*r-1),b.reportIntersection(a,t,n,-1),a.shouldStop(b)))return}for(var u=Math.pow(this.radius,2)+Math.pow(q,2),r=0;r<2;r++){f.set(o,q*(2*r-1),0),f.toGlobalFrame(o,o,c,d);var v=Math.pow(g[0]-e[0],2)+Math.pow(g[1]-e[1],2),w=2*((g[0]-e[0])*(e[0]-o[0])+(g[1]-e[1])*(e[1]-o[1])),x=Math.pow(e[0]-o[0],2)+Math.pow(e[1]-o[1],2)-Math.pow(this.radius,2),t=Math.pow(w,2)-4*v*x;if(!(t<0))if(0===t){if(f.lerp(m,e,g,t),f.squaredDistance(m,c)>u&&(f.sub(n,m,o),f.normalize(n,n),b.reportIntersection(a,t,n,-1),a.shouldStop(b)))return}else{var y=Math.sqrt(t),z=1/(2*v),A=(-w-y)*z,B=(-w+y)*z;if(A>=0&&A<=1&&(f.lerp(m,e,g,A),f.squaredDistance(m,c)>u&&(f.sub(n,m,o),f.normalize(n,n),b.reportIntersection(a,A,n,-1),a.shouldStop(b))))return;if(B>=0&&B<=1&&(f.lerp(m,e,g,B),f.squaredDistance(m,c)>u&&(f.sub(n,m,o),f.normalize(n,n),b.reportIntersection(a,B,n,-1),a.shouldStop(b))))return}}}},{"../math/vec2":30,"./Shape":45}],39:[function(a,b,c){function d(a){"number"==typeof arguments[0]&&(a={radius:arguments[0]},console.warn("The Circle constructor signature has changed. Please use the following format: new Circle({ radius: 1 })")),a=a||{},this.radius=a.radius||1,a.type=e.CIRCLE,e.call(this,a)}var e=a("./Shape"),f=a("../math/vec2");b.exports=d,d.prototype=new e,d.prototype.constructor=d,d.prototype.computeMomentOfInertia=function(a){var b=this.radius;return a*b*b/2},d.prototype.updateBoundingRadius=function(){this.boundingRadius=this.radius},d.prototype.updateArea=function(){this.area=Math.PI*this.radius*this.radius},d.prototype.computeAABB=function(a,b,c){var d=this.radius;f.set(a.upperBound,d,d),f.set(a.lowerBound,-d,-d),b&&(f.add(a.lowerBound,a.lowerBound,b),f.add(a.upperBound,a.upperBound,b))};var g=f.create(),h=f.create();d.prototype.raycast=function(a,b,c,d){var e=b.from,i=b.to,j=this.radius,k=Math.pow(i[0]-e[0],2)+Math.pow(i[1]-e[1],2),l=2*((i[0]-e[0])*(e[0]-c[0])+(i[1]-e[1])*(e[1]-c[1])),m=Math.pow(e[0]-c[0],2)+Math.pow(e[1]-c[1],2)-Math.pow(j,2),n=Math.pow(l,2)-4*k*m,o=g,p=h;if(!(n<0))if(0===n)f.lerp(o,e,i,n),f.sub(p,o,c),f.normalize(p,p),b.reportIntersection(a,n,p,-1);else{var q=Math.sqrt(n),r=1/(2*k),s=(-l-q)*r,t=(-l+q)*r;if(s>=0&&s<=1&&(f.lerp(o,e,i,s),f.sub(p,o,c),f.normalize(p,p),b.reportIntersection(a,s,p,-1),a.shouldStop(b)))return;t>=0&&t<=1&&(f.lerp(o,e,i,t),f.sub(p,o,c),f.normalize(p,p),b.reportIntersection(a,t,p,-1))}}},{"../math/vec2":30,"./Shape":45}],40:[function(a,b,c){function d(a){Array.isArray(arguments[0])&&(a={vertices:arguments[0],axes:arguments[1]},console.warn("The Convex constructor signature has changed. Please use the following format: new Convex({ vertices: [...], ... })")),a=a||{},this.vertices=[];for(var b=void 0!==a.vertices?a.vertices:[],c=0;c<b.length;c++){var d=f.create();f.copy(d,b[c]),this.vertices.push(d)}if(this.axes=[],a.axes)for(var c=0;c<a.axes.length;c++){var g=f.create();f.copy(g,a.axes[c]),this.axes.push(g)}else for(var c=0;c<this.vertices.length;c++){var h=this.vertices[c],i=this.vertices[(c+1)%this.vertices.length],j=f.create();f.sub(j,i,h),f.rotate90cw(j,j),f.normalize(j,j),this.axes.push(j)}if(this.centerOfMass=f.fromValues(0,0),this.triangles=[],this.vertices.length&&(this.updateTriangles(),this.updateCenterOfMass()),this.boundingRadius=0,a.type=e.CONVEX,e.call(this,a),this.updateBoundingRadius(),this.updateArea(),this.area<0)throw new Error("Convex vertices must be given in conter-clockwise winding.")}var e=a("./Shape"),f=a("../math/vec2"),g=a("../math/polyk");a("poly-decomp");b.exports=d,d.prototype=new e,d.prototype.constructor=d;var h=f.create(),i=f.create();d.prototype.projectOntoLocalAxis=function(a,b){for(var c,d,e=null,g=null,a=h,i=0;i<this.vertices.length;i++)c=this.vertices[i],d=f.dot(c,a),(null===e||d>e)&&(e=d),(null===g||d<g)&&(g=d);if(g>e){var j=g;g=e,e=j}f.set(b,g,e)},d.prototype.projectOntoWorldAxis=function(a,b,c,d){var e=i;this.projectOntoLocalAxis(a,d),0!==c?f.rotate(e,a,c):e=a;var g=f.dot(b,e);f.set(d,d[0]+g,d[1]+g)},d.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=g.Triangulate(a),b=0;b<d.length;b+=3){var e=d[b],f=d[b+1],h=d[b+2];this.triangles.push([e,f,h])}};var j=f.create(),k=f.create(),l=f.create(),m=f.create(),n=f.create();f.create(),f.create(),f.create(),f.create();d.prototype.updateCenterOfMass=function(){var a=this.triangles,b=this.vertices,c=this.centerOfMass,e=j,g=l,h=m,i=n,o=k;f.set(c,0,0);for(var p=0,q=0;q!==a.length;q++){var r=a[q],g=b[r[0]],h=b[r[1]],i=b[r[2]];f.centroid(e,g,h,i);var s=d.triangleArea(g,h,i);p+=s,f.scale(o,e,s),f.add(c,c,o)}f.scale(c,c,1/p)},d.prototype.computeMomentOfInertia=function(a){for(var b=0,c=0,d=this.vertices.length,e=d-1,g=0;g<d;e=g,g++){var h=this.vertices[e],i=this.vertices[g],j=Math.abs(f.crossLength(h,i)),k=f.dot(i,i)+f.dot(i,h)+f.dot(h,h);b+=j*k,c+=j}return a/6*(b/c)},d.prototype.updateBoundingRadius=function(){for(var a=this.vertices,b=0,c=0;c!==a.length;c++){var d=f.squaredLength(a[c]);d>b&&(b=d)}this.boundingRadius=Math.sqrt(b)},d.triangleArea=function(a,b,c){return.5*((b[0]-a[0])*(c[1]-a[1])-(c[0]-a[0])*(b[1]-a[1]))},d.prototype.updateArea=function(){this.updateTriangles(),this.area=0;for(var a=this.triangles,b=this.vertices,c=0;c!==a.length;c++){var e=a[c],f=b[e[0]],g=b[e[1]],h=b[e[2]],i=d.triangleArea(f,g,h);this.area+=i}},d.prototype.computeAABB=function(a,b,c){a.setFromPoints(this.vertices,b,c,0)};var o=f.create(),p=f.create(),q=f.create();d.prototype.raycast=function(a,b,c,d){var e=o,g=p,h=q,i=this.vertices;f.toLocalFrame(e,b.from,c,d),f.toLocalFrame(g,b.to,c,d);for(var j=i.length,k=0;k<j&&!a.shouldStop(b);k++){var l=i[k],m=i[(k+1)%j],n=f.getLineSegmentsIntersectionFraction(e,g,l,m);n>=0&&(f.sub(h,m,l),f.rotate(h,h,-Math.PI/2+d),f.normalize(h,h),b.reportIntersection(a,n,h,k))}}},{"../math/polyk":29,"../math/vec2":30,"./Shape":45,"poly-decomp":5}],41:[function(a,b,c){function d(a){if(Array.isArray(arguments[0])){if(a={heights:arguments[0]},"object"==typeof arguments[1])for(var b in arguments[1])a[b]=arguments[1][b];console.warn("The Heightfield constructor signature has changed. Please use the following format: new Heightfield({ heights: [...], ... })")}a=a||{},this.heights=a.heights?a.heights.slice(0):[],this.maxValue=a.maxValue||null,this.minValue=a.minValue||null,this.elementWidth=a.elementWidth||.1,void 0!==a.maxValue&&void 0!==a.minValue||this.updateMaxMinValues(),a.type=e.HEIGHTFIELD,e.call(this,a)}var e=a("./Shape"),f=a("../math/vec2");a("../utils/Utils");b.exports=d,d.prototype=new e,d.prototype.constructor=d,d.prototype.updateMaxMinValues=function(){for(var a=this.heights,b=a[0],c=a[0],d=0;d!==a.length;d++){var e=a[d];e>b&&(b=e),e<c&&(c=e)}this.maxValue=b,this.minValue=c},d.prototype.computeMomentOfInertia=function(a){return Number.MAX_VALUE},d.prototype.updateBoundingRadius=function(){this.boundingRadius=Number.MAX_VALUE},d.prototype.updateArea=function(){for(var a=this.heights,b=0,c=0;c<a.length-1;c++)b+=(a[c]+a[c+1])/2*this.elementWidth;this.area=b};var g=[f.create(),f.create(),f.create(),f.create()];d.prototype.computeAABB=function(a,b,c){f.set(g[0],0,this.maxValue),f.set(g[1],this.elementWidth*this.heights.length,this.maxValue),f.set(g[2],this.elementWidth*this.heights.length,this.minValue),f.set(g[3],0,this.minValue),a.setFromPoints(g,b,c)},d.prototype.getLineSegment=function(a,b,c){var d=this.heights,e=this.elementWidth;f.set(a,c*e,d[c]),f.set(b,(c+1)*e,d[c+1])},d.prototype.getSegmentIndex=function(a){return Math.floor(a[0]/this.elementWidth)},d.prototype.getClampedSegmentIndex=function(a){var b=this.getSegmentIndex(a);return b=Math.min(this.heights.length,Math.max(b,0))};var h=(f.create(),f.create()),i=f.create(),j=f.create(),k=f.create(),l=f.create();f.fromValues(0,1);d.prototype.raycast=function(a,b,c,d){var e=b.from,g=b.to,m=(b.direction,h),n=i,o=j,p=k,q=l;f.toLocalFrame(p,e,c,d),f.toLocalFrame(q,g,c,d);var r=this.getClampedSegmentIndex(p),s=this.getClampedSegmentIndex(q);if(r>s){var t=r;r=s,s=t}for(var u=0;u<this.heights.length-1;u++){this.getLineSegment(n,o,u);var v=f.getLineSegmentsIntersectionFraction(p,q,n,o);if(v>=0&&(f.sub(m,o,n),f.rotate(m,m,d+Math.PI/2),f.normalize(m,m),b.reportIntersection(a,v,m,-1),a.shouldStop(b)))return}}},{"../math/vec2":30,"../utils/Utils":57,"./Shape":45}],42:[function(a,b,c){function d(a){"number"==typeof arguments[0]&&(a={length:arguments[0]},console.warn("The Line constructor signature has changed. Please use the following format: new Line({ length: 1, ... })")),a=a||{},this.length=a.length||1,a.type=e.LINE,e.call(this,a)}var e=a("./Shape"),f=a("../math/vec2");b.exports=d,d.prototype=new e,d.prototype.constructor=d,d.prototype.computeMomentOfInertia=function(a){return a*Math.pow(this.length,2)/12},d.prototype.updateBoundingRadius=function(){this.boundingRadius=this.length/2};var g=[f.create(),f.create()];d.prototype.computeAABB=function(a,b,c){var d=this.length/2;f.set(g[0],-d,0),f.set(g[1],d,0),a.setFromPoints(g,b,c,0)};var h=(f.create(),f.create()),i=f.create(),j=f.create(),k=f.fromValues(0,1);d.prototype.raycast=function(a,b,c,d){var e=b.from,g=b.to,l=i,m=j,n=this.length/2;f.set(l,-n,0),f.set(m,n,0),f.toGlobalFrame(l,l,c,d),f.toGlobalFrame(m,m,c,d);var o=f.getLineSegmentsIntersectionFraction(l,m,e,g);if(o>=0){var p=h;f.rotate(p,k,d),b.reportIntersection(a,o,p,-1)}}},{"../math/vec2":30,"./Shape":45}],43:[function(a,b,c){function d(a){a=a||{},a.type=e.PARTICLE,e.call(this,a)}var e=a("./Shape"),f=a("../math/vec2");b.exports=d,d.prototype=new e,d.prototype.constructor=d,d.prototype.computeMomentOfInertia=function(a){return 0},d.prototype.updateBoundingRadius=function(){this.boundingRadius=0},d.prototype.computeAABB=function(a,b,c){f.copy(a.lowerBound,b),f.copy(a.upperBound,b)}},{"../math/vec2":30,"./Shape":45}],44:[function(a,b,c){function d(a){a=a||{},a.type=e.PLANE,e.call(this,a)}var e=a("./Shape"),f=a("../math/vec2");a("../utils/Utils");b.exports=d,d.prototype=new e,d.prototype.constructor=d,d.prototype.computeMomentOfInertia=function(a){return 0},d.prototype.updateBoundingRadius=function(){this.boundingRadius=Number.MAX_VALUE},d.prototype.computeAABB=function(a,b,c){var d=c%(2*Math.PI),e=f.set,g=1e7,h=a.lowerBound,i=a.upperBound;e(h,-g,-g),e(i,g,g),0===d?i[1]=0:d===Math.PI/2?h[0]=0:d===Math.PI?h[1]=0:d===3*Math.PI/2&&(i[0]=0)},d.prototype.updateArea=function(){this.area=Number.MAX_VALUE};var g=f.create(),h=(f.create(),f.create(),f.create()),i=f.create();d.prototype.raycast=function(a,b,c,d){var e=b.from,j=b.to,k=b.direction,l=g,m=h,n=i;f.set(m,0,1),f.rotate(m,m,d),f.sub(n,e,c);var o=f.dot(n,m);f.sub(n,j,c);var p=f.dot(n,m);if(!(o*p>0||f.squaredDistance(e,j)<o*o)){var q=f.dot(m,k);f.sub(l,e,c);var r=-f.dot(m,l)/q/b.length;b.reportIntersection(a,r,m,-1)}}},{"../math/vec2":30,"../utils/Utils":57,"./Shape":45}],45:[function(a,b,c){function d(a){a=a||{},this.body=null,this.position=e.fromValues(0,0),a.position&&e.copy(this.position,a.position),this.angle=a.angle||0,this.type=a.type||0,this.id=d.idCounter++,this.boundingRadius=0,this.collisionGroup=void 0!==a.collisionGroup?a.collisionGroup:1,this.collisionResponse=void 0===a.collisionResponse||a.collisionResponse,this.collisionMask=void 0!==a.collisionMask?a.collisionMask:1,this.material=a.material||null,this.area=0,this.sensor=void 0!==a.sensor&&a.sensor,this.type&&this.updateBoundingRadius(),this.updateArea()}b.exports=d;var e=a("../math/vec2");d.idCounter=0,d.CIRCLE=1,d.PARTICLE=2,d.PLANE=4,d.CONVEX=8,d.LINE=16,d.BOX=32,Object.defineProperty(d,"RECTANGLE",{get:function(){return console.warn("Shape.RECTANGLE is deprecated, use Shape.BOX instead."),d.BOX}}),d.CAPSULE=64,d.HEIGHTFIELD=128,d.prototype.computeMomentOfInertia=function(a){},d.prototype.updateBoundingRadius=function(){},d.prototype.updateArea=function(){},d.prototype.computeAABB=function(a,b,c){},d.prototype.raycast=function(a,b,c,d){}},{"../math/vec2":30}],46:[function(a,b,c){function d(a){g.call(this,a,g.GS),a=a||{},this.iterations=a.iterations||10,this.tolerance=a.tolerance||1e-7,this.arrayStep=30,this.lambda=new h.ARRAY_TYPE(this.arrayStep),this.Bs=new h.ARRAY_TYPE(this.arrayStep),this.invCs=new h.ARRAY_TYPE(this.arrayStep),
this.useZeroRHS=!1,this.frictionIterations=void 0!==a.frictionIterations?0:a.frictionIterations,this.usedIterations=0}function e(a){for(var b=a.length;b--;)a[b]=0}var f=a("../math/vec2"),g=a("./Solver"),h=a("../utils/Utils"),i=a("../equations/FrictionEquation");b.exports=d,d.prototype=new g,d.prototype.constructor=d,d.prototype.solve=function(a,b){this.sortEquations();var c=0,g=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=(f.add,f.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 h.ARRAY_TYPE(l+this.arrayStep),this.Bs=new h.ARRAY_TYPE(l+this.arrayStep),this.invCs=new h.ARRAY_TYPE(l+this.arrayStep)),e(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(c=0;c!==j;c++){for(w=0,x=0;x!==l;x++){v=k[x];var y=d.iterateEquation(x,v,v.epsilon,u,t,q,p,a,c);w+=Math.abs(y)}if(this.usedIterations++,w*w<=m)break}for(d.updateMultipliers(k,q,1/a),x=0;x!==l;x++){var z=k[x];if(z instanceof i){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(c=0;c!==g;c++){for(w=0,x=0;x!==l;x++){v=k[x];var y=d.iterateEquation(x,v,v.epsilon,u,t,q,p,a,c);w+=Math.abs(y)}if(this.usedIterations++,w*w<=m)break}for(r=0;r!==o;r++)n[r].addConstraintVelocity();d.updateMultipliers(k,q,1/a)}},d.updateMultipliers=function(a,b,c){for(var d=a.length;d--;)a[d].multiplier=b[d]*c},d.iterateEquation=function(a,b,c,d,e,f,g,h,i){var j=d[a],k=e[a],l=f[a],m=b.computeGWlambda(),n=b.maxForce,o=b.minForce;g&&(j=0);var p=k*(j-m-c*l),q=l+p;return q<o*h?p=o*h-l:q>n*h&&(p=n*h-l),f[a]+=p,b.addToWlambda(p),p}},{"../equations/FrictionEquation":23,"../math/vec2":30,"../utils/Utils":57,"./Solver":47}],47:[function(a,b,c){function d(a,b){a=a||{},e.call(this),this.type=b,this.equations=[],this.equationSortFunction=a.equationSortFunction||!1}var e=(a("../utils/Utils"),a("../events/EventEmitter"));b.exports=d,d.prototype=new e,d.prototype.constructor=d,d.prototype.solve=function(a,b){throw new Error("Solver.solve should be implemented by subclasses!")};var f={bodies:[]};d.prototype.solveIsland=function(a,b){this.removeAllEquations(),b.equations.length&&(this.addEquations(b.equations),f.bodies.length=0,b.getBodies(f.bodies),f.bodies.length&&this.solve(a,f))},d.prototype.sortEquations=function(){this.equationSortFunction&&this.equations.sort(this.equationSortFunction)},d.prototype.addEquation=function(a){a.enabled&&this.equations.push(a)},d.prototype.addEquations=function(a){for(var b=0,c=a.length;b!==c;b++){var d=a[b];d.enabled&&this.equations.push(d)}},d.prototype.removeEquation=function(a){var b=this.equations.indexOf(a);b!==-1&&this.equations.splice(b,1)},d.prototype.removeAllEquations=function(){this.equations.length=0},d.GS=1,d.ISLAND=2},{"../events/EventEmitter":26,"../utils/Utils":57}],48:[function(a,b,c){function d(){f.apply(this,arguments)}var e=a("../equations/ContactEquation"),f=a("./Pool");b.exports=d,d.prototype=new f,d.prototype.constructor=d,d.prototype.create=function(){return new e},d.prototype.destroy=function(a){return a.bodyA=a.bodyB=null,this}},{"../equations/ContactEquation":21,"./Pool":55}],49:[function(a,b,c){function d(){f.apply(this,arguments)}var e=a("../equations/FrictionEquation"),f=a("./Pool");b.exports=d,d.prototype=new f,d.prototype.constructor=d,d.prototype.create=function(){return new e},d.prototype.destroy=function(a){return a.bodyA=a.bodyB=null,this}},{"../equations/FrictionEquation":23,"./Pool":55}],50:[function(a,b,c){function d(){f.apply(this,arguments)}var e=a("../world/IslandNode"),f=a("./Pool");b.exports=d,d.prototype=new f,d.prototype.constructor=d,d.prototype.create=function(){return new e},d.prototype.destroy=function(a){return a.reset(),this}},{"../world/IslandNode":60,"./Pool":55}],51:[function(a,b,c){function d(){f.apply(this,arguments)}var e=a("../world/Island"),f=a("./Pool");b.exports=d,d.prototype=new f,d.prototype.constructor=d,d.prototype.create=function(){return new e},d.prototype.destroy=function(a){return a.reset(),this}},{"../world/Island":58,"./Pool":55}],52:[function(a,b,c){function d(){this.overlappingShapesLastState=new e,this.overlappingShapesCurrentState=new e,this.recordPool=new f({size:16}),this.tmpDict=new e,this.tmpArray1=[]}var e=a("./TupleDictionary"),f=(a("./OverlapKeeperRecord"),a("./OverlapKeeperRecordPool"));a("./Utils");b.exports=d,d.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);b.getByKey(d);e&&this.recordPool.release(e)}a.reset(),a.copy(b),b.reset()},d.prototype.setOverlapping=function(a,b,c,d){var e=(this.overlappingShapesLastState,this.overlappingShapesCurrentState);if(!e.get(b.id,d.id)){var f=this.recordPool.get();f.set(a,b,c,d),e.set(b.id,d.id,f)}},d.prototype.getNewOverlaps=function(a){return this.getDiff(this.overlappingShapesLastState,this.overlappingShapesCurrentState,a)},d.prototype.getEndOverlaps=function(a){return this.getDiff(this.overlappingShapesCurrentState,this.overlappingShapesLastState,a)},d.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},d.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},d.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)},d.prototype.getNewBodyOverlaps=function(a){this.tmpArray1.length=0;var b=this.getNewOverlaps(this.tmpArray1);return this.getBodyDiff(b,a)},d.prototype.getEndBodyOverlaps=function(a){this.tmpArray1.length=0;var b=this.getEndOverlaps(this.tmpArray1);return this.getBodyDiff(b,a)},d.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}},{"./OverlapKeeperRecord":53,"./OverlapKeeperRecordPool":54,"./TupleDictionary":56,"./Utils":57}],53:[function(a,b,c){function d(a,b,c,d){this.shapeA=b,this.shapeB=d,this.bodyA=a,this.bodyB=c}b.exports=d,d.prototype.set=function(a,b,c,e){d.call(this,a,b,c,e)}},{}],54:[function(a,b,c){function d(){f.apply(this,arguments)}var e=a("./OverlapKeeperRecord"),f=a("./Pool");b.exports=d,d.prototype=new f,d.prototype.constructor=d,d.prototype.create=function(){return new e},d.prototype.destroy=function(a){return a.bodyA=a.bodyB=a.shapeA=a.shapeB=null,this}},{"./OverlapKeeperRecord":53,"./Pool":55}],55:[function(a,b,c){function d(a){a=a||{},this.objects=[],void 0!==a.size&&this.resize(a.size)}b.exports=d,d.prototype.resize=function(a){for(var b=this.objects;b.length>a;)b.pop();for(;b.length<a;)b.push(this.create());return this},d.prototype.get=function(){var a=this.objects;return a.length?a.pop():this.create()},d.prototype.release=function(a){return this.destroy(a),this.objects.push(a),this}},{}],56:[function(a,b,c){function d(){this.data={},this.keys=[]}var e=a("./Utils");b.exports=d,d.prototype.getKey=function(a,b){return a|=0,b|=0,(0|a)===(0|b)?-1:0|((0|a)>(0|b)?a<<16|65535&b:b<<16|65535&a)},d.prototype.getByKey=function(a){return a|=0,this.data[a]},d.prototype.get=function(a,b){return this.data[this.getKey(a,b)]},d.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},d.prototype.reset=function(){for(var a=this.data,b=this.keys,c=b.length;c--;)delete a[b[c]];b.length=0},d.prototype.copy=function(a){this.reset(),e.appendArray(this.keys,a.keys);for(var b=a.keys.length;b--;){var c=a.keys[b];this.data[c]=a.data[c]}}},{"./Utils":57}],57:[function(a,b,c){function d(){}b.exports=d,d.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])},d.splice=function(a,b,c){c=c||1;for(var d=b,e=a.length-c;d<e;d++)a[d]=a[d+c];a.length=e},"undefined"!=typeof P2_ARRAY_TYPE?d.ARRAY_TYPE=P2_ARRAY_TYPE:"undefined"!=typeof Float32Array?d.ARRAY_TYPE=Float32Array:d.ARRAY_TYPE=Array,d.extend=function(a,b){for(var c in b)a[c]=b[c]},d.defaults=function(a,b){a=a||{};for(var c in b)c in a||(a[c]=b[c]);return a}},{}],58:[function(a,b,c){function d(){this.equations=[],this.bodies=[]}var e=a("../objects/Body");b.exports=d,d.prototype.reset=function(){this.equations.length=this.bodies.length=0};var f=[];d.prototype.getBodies=function(a){var b=a||[],c=this.equations;f.length=0;for(var d=0;d!==c.length;d++){var e=c[d];f.indexOf(e.bodyA.id)===-1&&(b.push(e.bodyA),f.push(e.bodyA.id)),f.indexOf(e.bodyB.id)===-1&&(b.push(e.bodyB),f.push(e.bodyB.id))}return b},d.prototype.wantsToSleep=function(){for(var a=0;a<this.bodies.length;a++){var b=this.bodies[a];if(b.type===e.DYNAMIC&&!b.wantsToSleep)return!1}return!0},d.prototype.sleep=function(){for(var a=0;a<this.bodies.length;a++){var b=this.bodies[a];b.sleep()}return!0}},{"../objects/Body":31}],59:[function(a,b,c){function d(a){this.nodePool=new e({size:16}),this.islandPool=new f({size:8}),this.equations=[],this.islands=[],this.nodes=[],this.queue=[]}var e=(a("../math/vec2"),a("./Island"),a("./IslandNode"),a("./../utils/IslandNodePool")),f=a("./../utils/IslandPool"),g=a("../objects/Body");b.exports=d,d.getUnvisitedNode=function(a){for(var b=a.length,c=0;c!==b;c++){var d=a[c];if(!d.visited&&d.body.type===g.DYNAMIC)return d}return!1},d.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];c.indexOf(f)===-1&&c.push(f)}},d.prototype.bfs=function(a,b,c){var e=this.queue;for(e.length=0,e.push(a),a.visited=!0,this.visit(a,b,c);e.length;)for(var f,h=e.pop();f=d.getUnvisitedNode(h.neighbors);)f.visited=!0,this.visit(f,b,c),f.body.type===g.DYNAMIC&&e.push(f)},d.prototype.split=function(a){for(var b=a.bodies,c=this.nodes,e=this.equations;c.length;)this.nodePool.release(c.pop());for(var f=0;f!==b.length;f++){var g=this.nodePool.get();g.body=b[f],c.push(g)}for(var h=0;h!==e.length;h++){var i=e[h],f=b.indexOf(i.bodyA),j=b.indexOf(i.bodyB),k=c[f],l=c[j];k.neighbors.push(l),l.neighbors.push(k),k.equations.push(i),l.equations.push(i)}for(var m=this.islands,f=0;f<m.length;f++)this.islandPool.release(m[f]);m.length=0;for(var n;n=d.getUnvisitedNode(c);){var o=this.islandPool.get();this.bfs(n,o.bodies,o.equations),m.push(o)}return m}},{"../math/vec2":30,"../objects/Body":31,"./../utils/IslandNodePool":50,"./../utils/IslandPool":51,"./Island":58,"./IslandNode":60}],60:[function(a,b,c){function d(a){this.body=a,this.neighbors=[],this.equations=[],this.visited=!1}b.exports=d,d.prototype.reset=function(){this.equations.length=0,this.neighbors.length=0,this.visited=!1,this.body=null}},{}],61:[function(a,b,c){function d(a){l.apply(this),a=a||{},this.springs=[],this.bodies=[],this.disabledBodyCollisionPairs=[],this.solver=a.solver||new e,this.narrowphase=new r(this),this.islandManager=new u,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.broadphase=a.broadphase||new q,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.accumulator=0,this.stepping=!1,this.bodiesToBeRemoved=[],this.islandSplit="undefined"==typeof a.islandSplit||!!a.islandSplit,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=d.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 t}var e=a("../solver/GSSolver"),f=(a("../solver/Solver"),a("../collision/Ray"),a("../math/vec2")),g=a("../shapes/Circle"),h=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/AABB")),q=a("../collision/SAPBroadphase"),r=a("../collision/Narrowphase"),s=a("../utils/Utils"),t=a("../utils/OverlapKeeper"),u=a("./IslandManager");a("../objects/RotationalSpring");b.exports=d,d.prototype=new Object(l.prototype),d.prototype.constructor=d,d.NO_SLEEPING=1,d.BODY_SLEEPING=2,d.ISLAND_SLEEPING=4,d.prototype.addConstraint=function(a){this.constraints.push(a)},d.prototype.addContactMaterial=function(a){this.contactMaterials.push(a)},d.prototype.removeContactMaterial=function(a){var b=this.contactMaterials.indexOf(a);b!==-1&&s.splice(this.contactMaterials,b,1)},d.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},d.prototype.removeConstraint=function(a){var b=this.constraints.indexOf(a);b!==-1&&s.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);f.fromValues(0,0),f.fromValues(0,0);d.prototype.step=function(a,b,c){if(c=c||10,b=b||0,0===b)this.internalStep(a),this.time+=a;else{this.accumulator+=b;for(var d=0;this.accumulator>=a&&d<c;)this.internalStep(a),this.time+=a,this.accumulator-=a,d++;for(var e=this.accumulator%a/a,g=0;g!==this.bodies.length;g++){var h=this.bodies[g];f.lerp(h.interpolatedPosition,h.previousPosition,h.position,e),h.interpolatedAngle=h.previousAngle+e*(h.angle-h.previousAngle)}}};var y=[];d.prototype.internalStep=function(a){this.stepping=!0;var b=this.springs.length,c=this.springs,e=this.bodies,g=this.gravity,h=this.solver,i=this.bodies.length,j=this.broadphase,k=this.narrowphase,l=this.constraints,n=v,o=(f.scale,f.add),p=(f.rotate,this.islandManager);if(this.overlapKeeper.tick(),this.lastTimeStep=a,this.useWorldGravityAsFrictionGravity){var q=f.length(this.gravity);0===q&&this.useFrictionGravityOnZeroGravity||(this.frictionGravity=q)}if(this.applyGravity)for(var r=0;r!==i;r++){var t=e[r],u=t.force;t.type===m.DYNAMIC&&t.sleepState!==m.SLEEPING&&(f.scale(n,g,t.mass*t.gravityScale),o(u,u,n))}if(this.applySpringForces)for(var r=0;r!==b;r++){var w=c[r];w.applyForce()}if(this.applyDamping)for(var r=0;r!==i;r++){var t=e[r];t.type===m.DYNAMIC&&t.applyDamping(a)}for(var x=j.getCollisionPairs(this),z=this.disabledBodyCollisionPairs,r=z.length-2;r>=0;r-=2)for(var A=x.length-2;A>=0;A-=2)(z[r]===x[A]&&z[r+1]===x[A+1]||z[r+1]===x[A]&&z[r]===x[A+1])&&x.splice(A,2);var B=l.length;for(r=0;r!==B;r++){var C=l[r];if(!C.collideConnected)for(var A=x.length-2;A>=0;A-=2)(C.bodyA===x[A]&&C.bodyB===x[A+1]||C.bodyB===x[A]&&C.bodyA===x[A+1])&&x.splice(A,2)}this.postBroadphaseEvent.pairs=x,this.emit(this.postBroadphaseEvent),this.postBroadphaseEvent.pairs=null,k.reset(this);for(var r=0,D=x.length;r!==D;r+=2)for(var E=x[r],F=x[r+1],G=0,H=E.shapes.length;G!==H;G++)for(var I=E.shapes[G],J=I.position,K=I.angle,L=0,M=F.shapes.length;L!==M;L++){var N=F.shapes[L],O=N.position,P=N.angle,Q=this.defaultContactMaterial;if(I.material&&N.material){var R=this.getContactMaterial(I.material,N.material);R&&(Q=R)}this.runNarrowphase(k,E,I,J,K,F,N,O,P,Q,this.frictionGravity)}for(var r=0;r!==i;r++){var S=e[r];S._wakeUpAfterNarrowphase&&(S.wakeUp(),S._wakeUpAfterNarrowphase=!1)}if(this.has("endContact")){this.overlapKeeper.getEndOverlaps(y);for(var T=this.endContactEvent,L=y.length;L--;){var U=y[L];T.shapeA=U.shapeA,T.shapeB=U.shapeB,T.bodyA=U.bodyA,T.bodyB=U.bodyB,this.emit(T)}y.length=0}var V=this.preSolveEvent;V.contactEquations=k.contactEquations,V.frictionEquations=k.frictionEquations,this.emit(V),V.contactEquations=V.frictionEquations=null;var B=l.length;for(r=0;r!==B;r++)l[r].update();if(k.contactEquations.length||k.frictionEquations.length||B)if(this.islandSplit){for(p.equations.length=0,s.appendArray(p.equations,k.contactEquations),s.appendArray(p.equations,k.frictionEquations),r=0;r!==B;r++)s.appendArray(p.equations,l[r].equations);p.split(this);for(var r=0;r!==p.islands.length;r++){var W=p.islands[r];W.equations.length&&h.solveIsland(a,W)}}else{for(h.addEquations(k.contactEquations),h.addEquations(k.frictionEquations),r=0;r!==B;r++)h.addEquations(l[r].equations);this.solveConstraints&&h.solve(a,this),h.removeAllEquations()}for(var r=0;r!==i;r++){var S=e[r];S.integrate(a)}for(var r=0;r!==i;r++)e[r].setZeroForce();if(this.emitImpactEvent&&this.has("impact"))for(var X=this.impactEvent,r=0;r!==k.contactEquations.length;r++){var Y=k.contactEquations[r];Y.firstImpact&&(X.bodyA=Y.bodyA,X.bodyB=Y.bodyB,X.shapeA=Y.shapeA,X.shapeB=Y.shapeB,X.contactEquation=Y,this.emit(X))}if(this.sleepMode===d.BODY_SLEEPING)for(r=0;r!==i;r++)e[r].sleepTick(this.time,!1,a);else if(this.sleepMode===d.ISLAND_SLEEPING&&this.islandSplit){for(r=0;r!==i;r++)e[r].sleepTick(this.time,!0,a);for(var r=0;r<this.islandManager.islands.length;r++){var W=this.islandManager.islands[r];W.wantsToSleep()&&W.sleep()}}this.stepping=!1;for(var Z=this.bodiesToBeRemoved,r=0;r!==Z.length;r++)this.removeBody(Z[r]);Z.length=0,this.emit(this.postStepEvent)},d.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)}}}}},d.prototype.addSpring=function(a){this.springs.push(a);var b=this.addSpringEvent;b.spring=a,this.emit(b),b.spring=null},d.prototype.removeSpring=function(a){var b=this.springs.indexOf(a);b!==-1&&s.splice(this.springs,b,1)},d.prototype.addBody=function(a){if(this.bodies.indexOf(a)===-1){this.bodies.push(a),a.world=this;var b=this.addBodyEvent;b.body=a,this.emit(b),b.body=null}},d.prototype.removeBody=function(a){if(this.stepping)this.bodiesToBeRemoved.push(a);else{a.world=null;var b=this.bodies.indexOf(a);b!==-1&&(s.splice(this.bodies,b,1),this.removeBodyEvent.body=a,a.resetConstraintVelocity(),this.emit(this.removeBodyEvent),this.removeBodyEvent.body=null)}},d.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},d.prototype.disableBodyCollision=function(a,b){this.disabledBodyCollisionPairs.push(a,b)},d.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)},d.prototype.clear=function(){this.time=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 c=this.bodies,b=c.length-1;b>=0;b--)this.removeBody(c[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]);d.apply(this)};var z=f.create(),A=(f.fromValues(0,0),f.fromValues(0,0));d.prototype.hitTest=function(a,b,c){c=c||0;var d=new m({position:a}),e=new k,l=a,n=0,o=z,p=A;d.addShape(e);for(var q=this.narrowphase,r=[],s=0,t=b.length;s!==t;s++)for(var u=b[s],v=0,w=u.shapes.length;v!==w;v++){var x=u.shapes[v];f.rotate(o,x.position,u.angle),f.add(o,o,u.position);var y=x.angle+u.angle;(x instanceof g&&q.circleParticle(u,x,o,y,d,e,l,n,!0)||x instanceof h&&q.particleConvex(d,e,l,n,u,x,o,y,!0)||x instanceof i&&q.particlePlane(d,e,l,n,u,x,o,y,!0)||x instanceof j&&q.particleCapsule(d,e,l,n,u,x,o,y,!0)||x instanceof k&&f.squaredLength(f.sub(p,o,a))<c*c)&&r.push(u)}return r},d.prototype.setGlobalStiffness=function(a){for(var b=this.constraints,c=0;c!==b.length;c++)for(var d=b[c],e=0;e!==d.equations.length;e++){var f=d.equations[e];f.stiffness=a,f.needsUpdate=!0}for(var g=this.contactMaterials,c=0;c!==g.length;c++){var d=g[c];d.stiffness=d.frictionStiffness=a}var d=this.defaultContactMaterial;d.stiffness=d.frictionStiffness=a},d.prototype.setGlobalRelaxation=function(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];e.relaxation=a,e.needsUpdate=!0}for(var b=0;b!==this.contactMaterials.length;b++){var c=this.contactMaterials[b];c.relaxation=c.frictionRelaxation=a}var c=this.defaultContactMaterial;c.relaxation=c.frictionRelaxation=a};var B=new p,C=[];d.prototype.raycast=function(a,b){return b.getAABB(B),this.broadphase.aabbQuery(this,B,C),b.intersectBodies(a,C),C.length=0,a.hasHit()}},{"../../package.json":6,"../collision/AABB":7,"../collision/Broadphase":8,"../collision/Narrowphase":10,"../collision/Ray":11,"../collision/SAPBroadphase":13,"../constraints/Constraint":14,"../constraints/DistanceConstraint":15,"../constraints/GearConstraint":16,"../constraints/LockConstraint":17,"../constraints/PrismaticConstraint":18,"../constraints/RevoluteConstraint":19,"../events/EventEmitter":26,"../material/ContactMaterial":27,"../material/Material":28,"../math/vec2":30,"../objects/Body":31,"../objects/LinearSpring":32,"../objects/RotationalSpring":33,"../shapes/Capsule":38,"../shapes/Circle":39,"../shapes/Convex":40,"../shapes/Line":42,"../shapes/Particle":43,"../shapes/Plane":44,"../shapes/Shape":45,"../solver/GSSolver":46,"../solver/Solver":47,"../utils/OverlapKeeper":52,"../utils/Utils":57,"./IslandManager":59}]},{},[36])(36)});
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