flamingo-ui/lib/flamingo-ui.min.js

火烈鸟UI组件库

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r,i,a,s,l,c,u=t.length,d=n.length,p=t[0].x,m=t[0].y,f=n[0].x,v=n[0].y,g=o.length,y=Number.MAX_VALUE,h=0;for(l=0;l<g;l++){var b=o[l],x=b.x,w=b.y,S=p*x+m*w,k=f*x+v*w,_=S,B=k;for(c=1;c<u;c+=1)(s=t[c].x*x+t[c].y*w)>_?_=s:s<S&&(S=s);for(c=1;c<d;c+=1)(s=n[c].x*x+n[c].y*w)>B?B=s:s<k&&(k=s);if((r=(i=_-k)<(a=B-S)?i:a)<y&&(y=r,h=l,r<=0))break}e.axis=o[h],e.overlap=y},o._projectToAxis=function(e,t,n){for(var o=t[0].x*n.x+t[0].y*n.y,r=o,i=1;i<t.length;i+=1){var a=t[i].x*n.x+t[i].y*n.y;a>r?r=a:a<o&&(o=a)}e.min=o,e.max=r},o._findSupports=function(e,t,n,o){var i,a,s,l,c,u=t.vertices,d=u.length,p=e.position.x,m=e.position.y,f=n.x*o,v=n.y*o,g=Number.MAX_VALUE;for(c=0;c<d;c+=1)(l=f*(p-(a=u[c]).x)+v*(m-a.y))<g&&(g=l,i=a);return g=f*(p-(s=u[(d+i.index-1)%d]).x)+v*(m-s.y),f*(p-(a=u[(i.index+1)%d]).x)+v*(m-a.y)<g?(r[0]=i,r[1]=a,r):(r[0]=i,r[1]=s,r)}},function(e,t,n){var o={};e.exports=o;var r=n(16);o.create=function(e,t){var n=e.bodyA,r=e.bodyB,i={id:o.id(n,r),bodyA:n,bodyB:r,collision:e,contacts:[],activeContacts:[],separation:0,isActive:!0,confirmedActive:!0,isSensor:n.isSensor||r.isSensor,timeCreated:t,timeUpdated:t,inverseMass:0,friction:0,frictionStatic:0,restitution:0,slop:0};return o.update(i,e,t),i},o.update=function(e,t,n){var o=e.contacts,i=t.supports,a=e.activeContacts,s=t.parentA,l=t.parentB,c=s.vertices.length;e.isActive=!0,e.timeUpdated=n,e.collision=t,e.separation=t.depth,e.inverseMass=s.inverseMass+l.inverseMass,e.friction=s.friction<l.friction?s.friction:l.friction,e.frictionStatic=s.frictionStatic>l.frictionStatic?s.frictionStatic:l.frictionStatic,e.restitution=s.restitution>l.restitution?s.restitution:l.restitution,e.slop=s.slop>l.slop?s.slop:l.slop,t.pair=e,a.length=0;for(var u=0;u<i.length;u++){var d=i[u],p=d.body===s?d.index:c+d.index,m=o[p];m?a.push(m):a.push(o[p]=r.create(d))}},o.setActive=function(e,t,n){t?(e.isActive=!0,e.timeUpdated=n):(e.isActive=!1,e.activeContacts.length=0)},o.id=function(e,t){return e.id<t.id?"A"+e.id+"B"+t.id:"A"+t.id+"B"+e.id}},function(e,t,n){var o={};e.exports=o;var r=n(3),i=n(2),a=n(7),s=n(1),l=n(11),c=n(0);o._warming=.4,o._torqueDampen=1,o._minLength=1e-6,o.create=function(e){var t=e;t.bodyA&&!t.pointA&&(t.pointA={x:0,y:0}),t.bodyB&&!t.pointB&&(t.pointB={x:0,y:0});var n=t.bodyA?i.add(t.bodyA.position,t.pointA):t.pointA,o=t.bodyB?i.add(t.bodyB.position,t.pointB):t.pointB,r=i.magnitude(i.sub(n,o));t.length=void 0!==t.length?t.length:r,t.id=t.id||c.nextId(),t.label=t.label||"Constraint",t.type="constraint",t.stiffness=t.stiffness||(t.length>0?1:.7),t.damping=t.damping||0,t.angularStiffness=t.angularStiffness||0,t.angleA=t.bodyA?t.bodyA.angle:t.angleA,t.angleB=t.bodyB?t.bodyB.angle:t.angleB,t.plugin={};var a={visible:!0,lineWidth:2,strokeStyle:"#ffffff",type:"line",anchors:!0};return 0===t.length&&t.stiffness>.1?(a.type="pin",a.anchors=!1):t.stiffness<.9&&(a.type="spring"),t.render=c.extend(a,t.render),t},o.preSolveAll=function(e){for(var t=0;t<e.length;t+=1){var n=e[t],o=n.constraintImpulse;n.isStatic||0===o.x&&0===o.y&&0===o.angle||(n.position.x+=o.x,n.position.y+=o.y,n.angle+=o.angle)}},o.solveAll=function(e,t){for(var n=c.clamp(t/c._baseDelta,0,1),r=0;r<e.length;r+=1){var i=e[r],a=!i.bodyA||i.bodyA&&i.bodyA.isStatic,s=!i.bodyB||i.bodyB&&i.bodyB.isStatic;(a||s)&&o.solve(e[r],n)}for(r=0;r<e.length;r+=1)a=!(i=e[r]).bodyA||i.bodyA&&i.bodyA.isStatic,s=!i.bodyB||i.bodyB&&i.bodyB.isStatic,a||s||o.solve(e[r],n)},o.solve=function(e,t){var n=e.bodyA,r=e.bodyB,a=e.pointA,s=e.pointB;if(n||r){n&&!n.isStatic&&(i.rotate(a,n.angle-e.angleA,a),e.angleA=n.angle),r&&!r.isStatic&&(i.rotate(s,r.angle-e.angleB,s),e.angleB=r.angle);var l=a,c=s;if(n&&(l=i.add(n.position,a)),r&&(c=i.add(r.position,s)),l&&c){var u=i.sub(l,c),d=i.magnitude(u);d<o._minLength&&(d=o._minLength);var p,m,f,v,g,y=(d-e.length)/d,h=e.stiffness>=1||0===e.length?e.stiffness*t:e.stiffness*t*t,b=e.damping*t,x=i.mult(u,y*h),w=(n?n.inverseMass:0)+(r?r.inverseMass:0),S=w+((n?n.inverseInertia:0)+(r?r.inverseInertia:0));if(b>0){var k=i.create();f=i.div(u,d),g=i.sub(r&&i.sub(r.position,r.positionPrev)||k,n&&i.sub(n.position,n.positionPrev)||k),v=i.dot(f,g)}n&&!n.isStatic&&(m=n.inverseMass/w,n.constraintImpulse.x-=x.x*m,n.constraintImpulse.y-=x.y*m,n.position.x-=x.x*m,n.position.y-=x.y*m,b>0&&(n.positionPrev.x-=b*f.x*v*m,n.positionPrev.y-=b*f.y*v*m),p=i.cross(a,x)/S*o._torqueDampen*n.inverseInertia*(1-e.angularStiffness),n.constraintImpulse.angle-=p,n.angle-=p),r&&!r.isStatic&&(m=r.inverseMass/w,r.constraintImpulse.x+=x.x*m,r.constraintImpulse.y+=x.y*m,r.position.x+=x.x*m,r.position.y+=x.y*m,b>0&&(r.positionPrev.x+=b*f.x*v*m,r.positionPrev.y+=b*f.y*v*m),p=i.cross(s,x)/S*o._torqueDampen*r.inverseInertia*(1-e.angularStiffness),r.constraintImpulse.angle+=p,r.angle+=p)}}},o.postSolveAll=function(e){for(var t=0;t<e.length;t++){var n=e[t],c=n.constraintImpulse;if(!(n.isStatic||0===c.x&&0===c.y&&0===c.angle)){a.set(n,!1);for(var u=0;u<n.parts.length;u++){var d=n.parts[u];r.translate(d.vertices,c),u>0&&(d.position.x+=c.x,d.position.y+=c.y),0!==c.angle&&(r.rotate(d.vertices,c.angle,n.position),l.rotate(d.axes,c.angle),u>0&&i.rotateAbout(d.position,c.angle,n.position,d.position)),s.update(d.bounds,d.vertices,n.velocity)}c.angle*=o._warming,c.x*=o._warming,c.y*=o._warming}}},o.pointAWorld=function(e){return{x:(e.bodyA?e.bodyA.position.x:0)+(e.pointA?e.pointA.x:0),y:(e.bodyA?e.bodyA.position.y:0)+(e.pointA?e.pointA.y:0)}},o.pointBWorld=function(e){return{x:(e.bodyB?e.bodyB.position.x:0)+(e.pointB?e.pointB.x:0),y:(e.bodyB?e.bodyB.position.y:0)+(e.pointB?e.pointB.y:0)}}},function(e,t,n){var o={};e.exports=o;var r=n(2),i=n(0);o.fromVertices=function(e){for(var t={},n=0;n<e.length;n++){var o=(n+1)%e.length,a=r.normalise({x:e[o].y-e[n].y,y:e[n].x-e[o].x}),s=0===a.y?1/0:a.x/a.y;t[s=s.toFixed(3).toString()]=a}return i.values(t)},o.rotate=function(e,t){if(0!==t)for(var n=Math.cos(t),o=Math.sin(t),r=0;r<e.length;r++){var i,a=e[r];i=a.x*n-a.y*o,a.y=a.x*o+a.y*n,a.x=i}}},function(e,t,n){var o={};e.exports=o;var r=n(3),i=n(0),a=n(4),s=n(1),l=n(2);o.rectangle=function(e,t,n,o,s){s=s||{};var l={label:"Rectangle Body",position:{x:e,y:t},vertices:r.fromPath("L 0 0 L "+n+" 0 L "+n+" "+o+" L 0 "+o)};if(s.chamfer){var c=s.chamfer;l.vertices=r.chamfer(l.vertices,c.radius,c.quality,c.qualityMin,c.qualityMax),delete s.chamfer}return a.create(i.extend({},l,s))},o.trapezoid=function(e,t,n,o,s,l){l=l||{};var c,u=n*(s*=.5),d=u+(1-2*s)*n,p=d+u;c=s<.5?"L 0 0 L "+u+" "+-o+" L "+d+" "+-o+" L "+p+" 0":"L 0 0 L "+d+" "+-o+" L "+p+" 0";var m={label:"Trapezoid Body",position:{x:e,y:t},vertices:r.fromPath(c)};if(l.chamfer){var f=l.chamfer;m.vertices=r.chamfer(m.vertices,f.radius,f.quality,f.qualityMin,f.qualityMax),delete l.chamfer}return a.create(i.extend({},m,l))},o.circle=function(e,t,n,r,a){r=r||{};var s={label:"Circle Body",circleRadius:n};a=a||25;var l=Math.ceil(Math.max(10,Math.min(a,n)));return l%2==1&&(l+=1),o.polygon(e,t,l,n,i.extend({},s,r))},o.polygon=function(e,t,n,s,l){if(l=l||{},n<3)return o.circle(e,t,s,l);for(var c=2*Math.PI/n,u="",d=.5*c,p=0;p<n;p+=1){var m=d+p*c,f=Math.cos(m)*s,v=Math.sin(m)*s;u+="L "+f.toFixed(3)+" "+v.toFixed(3)+" "}var g={label:"Polygon Body",position:{x:e,y:t},vertices:r.fromPath(u)};if(l.chamfer){var y=l.chamfer;g.vertices=r.chamfer(g.vertices,y.radius,y.quality,y.qualityMin,y.qualityMax),delete l.chamfer}return a.create(i.extend({},g,l))},o.fromVertices=function(e,t,n,o,c,u,d,p){var m,f,v,g,y,h,b,x,w,S,k=i.getDecomp();for(m=Boolean(k&&k.quickDecomp),o=o||{},v=[],c=void 0!==c&&c,u=void 0!==u?u:.01,d=void 0!==d?d:10,p=void 0!==p?p:.01,i.isArray(n[0])||(n=[n]),w=0;w<n.length;w+=1)if(y=n[w],!(g=r.isConvex(y))&&!m&&i.warnOnce("Bodies.fromVertices: Install the 'poly-decomp' library and use Common.setDecomp or provide 'decomp' as a global to decompose concave vertices."),g||!m)y=g?r.clockwiseSort(y):r.hull(y),v.push({position:{x:e,y:t},vertices:y});else{var _=y.map((function(e){return[e.x,e.y]}));k.makeCCW(_),!1!==u&&k.removeCollinearPoints(_,u),!1!==p&&k.removeDuplicatePoints&&k.removeDuplicatePoints(_,p);var B=k.quickDecomp(_);for(h=0;h<B.length;h++){var C=B[h].map((function(e){return{x:e[0],y:e[1]}}));d>0&&r.area(C)<d||v.push({position:r.centre(C),vertices:C})}}for(h=0;h<v.length;h++)v[h]=a.create(i.extend(v[h],o));if(c)for(h=0;h<v.length;h++){var P=v[h];for(b=h+1;b<v.length;b++){var E=v[b];if(s.overlaps(P.bounds,E.bounds)){var N=P.vertices,V=E.vertices;for(x=0;x<P.vertices.length;x++)for(S=0;S<E.vertices.length;S++){var A=l.magnitudeSquared(l.sub(N[(x+1)%N.length],V[S])),T=l.magnitudeSquared(l.sub(N[x],V[(S+1)%V.length]));A<5&&T<5&&(N[x].isInternal=!0,V[S].isInternal=!0)}}}}return v.length>1?(f=a.create(i.extend({parts:v.slice(0)},o)),a.setPosition(f,{x:e,y:t}),f):v[0]}},function(e,t,n){var o={};e.exports=o;var r=n(0),i=n(8);o.create=function(e){return r.extend({bodies:[],pairs:null},e)},o.setBodies=function(e,t){e.bodies=t.slice(0)},o.clear=function(e){e.bodies=[]},o.collisions=function(e){var t,n,r=[],a=e.pairs,s=e.bodies,l=s.length,c=o.canCollide,u=i.collides;for(s.sort(o._compareBoundsX),t=0;t<l;t++){var d=s[t],p=d.bounds,m=d.bounds.max.x,f=d.bounds.max.y,v=d.bounds.min.y,g=d.isStatic||d.isSleeping,y=d.parts.length,h=1===y;for(n=t+1;n<l;n++){var b=s[n];if((P=b.bounds).min.x>m)break;if(!(f<P.min.y||v>P.max.y)&&(!g||!b.isStatic&&!b.isSleeping)&&c(d.collisionFilter,b.collisionFilter)){var x=b.parts.length;if(h&&1===x)(B=u(d,b,a))&&r.push(B);else for(var w=x>1?1:0,S=y>1?1:0;S<y;S++)for(var k=d.parts[S],_=(p=k.bounds,w);_<x;_++){var B,C=b.parts[_],P=C.bounds;p.min.x>P.max.x||p.max.x<P.min.x||p.max.y<P.min.y||p.min.y>P.max.y||(B=u(k,C,a))&&r.push(B)}}}}return r},o.canCollide=function(e,t){return e.group===t.group&&0!==e.group?e.group>0:0!=(e.mask&t.category)&&0!=(t.mask&e.category)},o._compareBoundsX=function(e,t){return e.bounds.min.x-t.bounds.min.x}},function(e,t,n){var o={};e.exports=o;var r=n(0);o.create=function(e){var t={};return e||r.log("Mouse.create: element was undefined, defaulting to document.body","warn"),t.element=e||document.body,t.absolute={x:0,y:0},t.position={x:0,y:0},t.mousedownPosition={x:0,y:0},t.mouseupPosition={x:0,y:0},t.offset={x:0,y:0},t.scale={x:1,y:1},t.wheelDelta=0,t.button=-1,t.pixelRatio=parseInt(t.element.getAttribute("data-pixel-ratio"),10)||1,t.sourceEvents={mousemove:null,mousedown:null,mouseup:null,mousewheel:null},t.mousemove=function(e){var n=o._getRelativeMousePosition(e,t.element,t.pixelRatio);e.changedTouches&&(t.button=0,e.preventDefault()),t.absolute.x=n.x,t.absolute.y=n.y,t.position.x=t.absolute.x*t.scale.x+t.offset.x,t.position.y=t.absolute.y*t.scale.y+t.offset.y,t.sourceEvents.mousemove=e},t.mousedown=function(e){var n=o._getRelativeMousePosition(e,t.element,t.pixelRatio);e.changedTouches?(t.button=0,e.preventDefault()):t.button=e.button,t.absolute.x=n.x,t.absolute.y=n.y,t.position.x=t.absolute.x*t.scale.x+t.offset.x,t.position.y=t.absolute.y*t.scale.y+t.offset.y,t.mousedownPosition.x=t.position.x,t.mousedownPosition.y=t.position.y,t.sourceEvents.mousedown=e},t.mouseup=function(e){var n=o._getRelativeMousePosition(e,t.element,t.pixelRatio);e.changedTouches&&e.preventDefault(),t.button=-1,t.absolute.x=n.x,t.absolute.y=n.y,t.position.x=t.absolute.x*t.scale.x+t.offset.x,t.position.y=t.absolute.y*t.scale.y+t.offset.y,t.mouseupPosition.x=t.position.x,t.mouseupPosition.y=t.position.y,t.sourceEvents.mouseup=e},t.mousewheel=function(e){t.wheelDelta=Math.max(-1,Math.min(1,e.wheelDelta||-e.detail)),e.preventDefault()},o.setElement(t,t.element),t},o.setElement=function(e,t){e.element=t,t.addEventListener("mousemove",e.mousemove),t.addEventListener("mousedown",e.mousedown),t.addEventListener("mouseup",e.mouseup),t.addEventListener("mousewheel",e.mousewheel),t.addEventListener("DOMMouseScroll",e.mousewheel),t.addEventListener("touchmove",e.mousemove),t.addEventListener("touchstart",e.mousedown),t.addEventListener("touchend",e.mouseup)},o.clearSourceEvents=function(e){e.sourceEvents.mousemove=null,e.sourceEvents.mousedown=null,e.sourceEvents.mouseup=null,e.sourceEvents.mousewheel=null,e.wheelDelta=0},o.setOffset=function(e,t){e.offset.x=t.x,e.offset.y=t.y,e.position.x=e.absolute.x*e.scale.x+e.offset.x,e.position.y=e.absolute.y*e.scale.y+e.offset.y},o.setScale=function(e,t){e.scale.x=t.x,e.scale.y=t.y,e.position.x=e.absolute.x*e.scale.x+e.offset.x,e.position.y=e.absolute.y*e.scale.y+e.offset.y},o._getRelativeMousePosition=function(e,t,n){var o,r,i=t.getBoundingClientRect(),a=document.documentElement||document.body.parentNode||document.body,s=void 0!==window.pageXOffset?window.pageXOffset:a.scrollLeft,l=void 0!==window.pageYOffset?window.pageYOffset:a.scrollTop,c=e.changedTouches;return c?(o=c[0].pageX-i.left-s,r=c[0].pageY-i.top-l):(o=e.pageX-i.left-s,r=e.pageY-i.top-l),{x:o/(t.clientWidth/(t.width||t.clientWidth)*n),y:r/(t.clientHeight/(t.height||t.clientHeight)*n)}}},function(e,t,n){var o={};e.exports=o;var r=n(0);o._registry={},o.register=function(e){if(o.isPlugin(e)||r.warn("Plugin.register:",o.toString(e),"does not implement all required fields."),e.name in o._registry){var t=o._registry[e.name],n=o.versionParse(e.version).number,i=o.versionParse(t.version).number;n>i?(r.warn("Plugin.register:",o.toString(t),"was upgraded to",o.toString(e)),o._registry[e.name]=e):n<i?r.warn("Plugin.register:",o.toString(t),"can not be downgraded to",o.toString(e)):e!==t&&r.warn("Plugin.register:",o.toString(e),"is already registered to different plugin object")}else o._registry[e.name]=e;return e},o.resolve=function(e){return o._registry[o.dependencyParse(e).name]},o.toString=function(e){return"string"==typeof e?e:(e.name||"anonymous")+"@"+(e.version||e.range||"0.0.0")},o.isPlugin=function(e){return e&&e.name&&e.version&&e.install},o.isUsed=function(e,t){return e.used.indexOf(t)>-1},o.isFor=function(e,t){var n=e.for&&o.dependencyParse(e.for);return!e.for||t.name===n.name&&o.versionSatisfies(t.version,n.range)},o.use=function(e,t){if(e.uses=(e.uses||[]).concat(t||[]),0!==e.uses.length){for(var n=o.dependencies(e),i=r.topologicalSort(n),a=[],s=0;s<i.length;s+=1)if(i[s]!==e.name){var l=o.resolve(i[s]);l?o.isUsed(e,l.name)||(o.isFor(l,e)||(r.warn("Plugin.use:",o.toString(l),"is for",l.for,"but installed on",o.toString(e)+"."),l._warned=!0),l.install?l.install(e):(r.warn("Plugin.use:",o.toString(l),"does not specify an install function."),l._warned=!0),l._warned?(a.push("🔶 "+o.toString(l)),delete l._warned):a.push("✅ "+o.toString(l)),e.used.push(l.name)):a.push("❌ "+i[s])}a.length>0&&r.info(a.join("  "))}else r.warn("Plugin.use:",o.toString(e),"does not specify any dependencies to install.")},o.dependencies=function(e,t){var n=o.dependencyParse(e),i=n.name;if(!(i in(t=t||{}))){e=o.resolve(e)||e,t[i]=r.map(e.uses||[],(function(t){o.isPlugin(t)&&o.register(t);var i=o.dependencyParse(t),a=o.resolve(t);return a&&!o.versionSatisfies(a.version,i.range)?(r.warn("Plugin.dependencies:",o.toString(a),"does not satisfy",o.toString(i),"used by",o.toString(n)+"."),a._warned=!0,e._warned=!0):a||(r.warn("Plugin.dependencies:",o.toString(t),"used by",o.toString(n),"could not be resolved."),e._warned=!0),i.name}));for(var a=0;a<t[i].length;a+=1)o.dependencies(t[i][a],t);return t}},o.dependencyParse=function(e){return r.isString(e)?(/^[\w-]+(@(\*|[\^~]?\d+\.\d+\.\d+(-[0-9A-Za-z-+]+)?))?$/.test(e)||r.warn("Plugin.dependencyParse:",e,"is not a valid dependency string."),{name:e.split("@")[0],range:e.split("@")[1]||"*"}):{name:e.name,range:e.range||e.version}},o.versionParse=function(e){var t=/^(\*)|(\^|~|>=|>)?\s*((\d+)\.(\d+)\.(\d+))(-[0-9A-Za-z-+]+)?$/;t.test(e)||r.warn("Plugin.versionParse:",e,"is not a valid version or range.");var n=t.exec(e),o=Number(n[4]),i=Number(n[5]),a=Number(n[6]);return{isRange:Boolean(n[1]||n[2]),version:n[3],range:e,operator:n[1]||n[2]||"",major:o,minor:i,patch:a,parts:[o,i,a],prerelease:n[7],number:1e8*o+1e4*i+a}},o.versionSatisfies=function(e,t){t=t||"*";var n=o.versionParse(t),r=o.versionParse(e);if(n.isRange){if("*"===n.operator||"*"===e)return!0;if(">"===n.operator)return r.number>n.number;if(">="===n.operator)return r.number>=n.number;if("~"===n.operator)return r.major===n.major&&r.minor===n.minor&&r.patch>=n.patch;if("^"===n.operator)return n.major>0?r.major===n.major&&r.number>=n.number:n.minor>0?r.minor===n.minor&&r.patch>=n.patch:r.patch===n.patch}return e===t||"*"===e}},function(e,t){var n={};e.exports=n,n.create=function(e){return{vertex:e,normalImpulse:0,tangentImpulse:0}}},function(e,t,n){var o={};e.exports=o;var r=n(7),i=n(18),a=n(13),s=n(19),l=n(5),c=n(6),u=n(10),d=n(0),p=n(4);o.create=function(e){e=e||{};var t=d.extend({positionIterations:6,velocityIterations:4,constraintIterations:2,enableSleeping:!1,events:[],plugin:{},gravity:{x:0,y:1,scale:.001},timing:{timestamp:0,timeScale:1,lastDelta:0,lastElapsed:0}},e);return t.world=e.world||c.create({label:"World"}),t.pairs=e.pairs||s.create(),t.detector=e.detector||a.create(),t.grid={buckets:[]},t.world.gravity=t.gravity,t.broadphase=t.grid,t.metrics={},t},o.update=function(e,t){var n,p=d.now(),m=e.world,f=e.detector,v=e.pairs,g=e.timing,y=g.timestamp;t=void 0!==t?t:d._baseDelta,t*=g.timeScale,g.timestamp+=t,g.lastDelta=t;var h={timestamp:g.timestamp,delta:t};l.trigger(e,"beforeUpdate",h);var b=c.allBodies(m),x=c.allConstraints(m);for(m.isModified&&(a.setBodies(f,b),c.setModified(m,!1,!1,!0)),e.enableSleeping&&r.update(b,t),o._bodiesApplyGravity(b,e.gravity),t>0&&o._bodiesUpdate(b,t),u.preSolveAll(b),n=0;n<e.constraintIterations;n++)u.solveAll(x,t);u.postSolveAll(b),f.pairs=e.pairs;var w=a.collisions(f);s.update(v,w,y),e.enableSleeping&&r.afterCollisions(v.list),v.collisionStart.length>0&&l.trigger(e,"collisionStart",{pairs:v.collisionStart});var S=d.clamp(20/e.positionIterations,0,1);for(i.preSolvePosition(v.list),n=0;n<e.positionIterations;n++)i.solvePosition(v.list,t,S);for(i.postSolvePosition(b),u.preSolveAll(b),n=0;n<e.constraintIterations;n++)u.solveAll(x,t);for(u.postSolveAll(b),i.preSolveVelocity(v.list),n=0;n<e.velocityIterations;n++)i.solveVelocity(v.list,t);return o._bodiesUpdateVelocities(b),v.collisionActive.length>0&&l.trigger(e,"collisionActive",{pairs:v.collisionActive}),v.collisionEnd.length>0&&l.trigger(e,"collisionEnd",{pairs:v.collisionEnd}),o._bodiesClearForces(b),l.trigger(e,"afterUpdate",h),e.timing.lastElapsed=d.now()-p,e},o.merge=function(e,t){if(d.extend(e,t),t.world){e.world=t.world,o.clear(e);for(var n=c.allBodies(e.world),i=0;i<n.length;i++){var a=n[i];r.set(a,!1),a.id=d.nextId()}}},o.clear=function(e){s.clear(e.pairs),a.clear(e.detector)},o._bodiesClearForces=function(e){for(var t=e.length,n=0;n<t;n++){var o=e[n];o.force.x=0,o.force.y=0,o.torque=0}},o._bodiesApplyGravity=function(e,t){var n=void 0!==t.scale?t.scale:.001,o=e.length;if((0!==t.x||0!==t.y)&&0!==n)for(var r=0;r<o;r++){var i=e[r];i.isStatic||i.isSleeping||(i.force.y+=i.mass*t.y*n,i.force.x+=i.mass*t.x*n)}},o._bodiesUpdate=function(e,t){for(var n=e.length,o=0;o<n;o++){var r=e[o];r.isStatic||r.isSleeping||p.update(r,t)}},o._bodiesUpdateVelocities=function(e){for(var t=e.length,n=0;n<t;n++)p.updateVelocities(e[n])}},function(e,t,n){var o={};e.exports=o;var r=n(3),i=n(0),a=n(1);o._restingThresh=2,o._restingThreshTangent=Math.sqrt(6),o._positionDampen=.9,o._positionWarming=.8,o._frictionNormalMultiplier=5,o._frictionMaxStatic=Number.MAX_VALUE,o.preSolvePosition=function(e){var t,n,o,r=e.length;for(t=0;t<r;t++)(n=e[t]).isActive&&(o=n.activeContacts.length,n.collision.parentA.totalContacts+=o,n.collision.parentB.totalContacts+=o)},o.solvePosition=function(e,t,n){var r,a,s,l,c,u,d,p,m=o._positionDampen*(n||1),f=i.clamp(t/i._baseDelta,0,1),v=e.length;for(r=0;r<v;r++)(a=e[r]).isActive&&!a.isSensor&&(l=(s=a.collision).parentA,c=s.parentB,u=s.normal,a.separation=u.x*(c.positionImpulse.x+s.penetration.x-l.positionImpulse.x)+u.y*(c.positionImpulse.y+s.penetration.y-l.positionImpulse.y));for(r=0;r<v;r++)(a=e[r]).isActive&&!a.isSensor&&(l=(s=a.collision).parentA,c=s.parentB,u=s.normal,p=a.separation-a.slop*f,(l.isStatic||c.isStatic)&&(p*=2),l.isStatic||l.isSleeping||(d=m/l.totalContacts,l.positionImpulse.x+=u.x*p*d,l.positionImpulse.y+=u.y*p*d),c.isStatic||c.isSleeping||(d=m/c.totalContacts,c.positionImpulse.x-=u.x*p*d,c.positionImpulse.y-=u.y*p*d))},o.postSolvePosition=function(e){for(var t=o._positionWarming,n=e.length,i=r.translate,s=a.update,l=0;l<n;l++){var c=e[l],u=c.positionImpulse,d=u.x,p=u.y,m=c.velocity;if(c.totalContacts=0,0!==d||0!==p){for(var f=0;f<c.parts.length;f++){var v=c.parts[f];i(v.vertices,u),s(v.bounds,v.vertices,m),v.position.x+=d,v.position.y+=p}c.positionPrev.x+=d,c.positionPrev.y+=p,d*m.x+p*m.y<0?(u.x=0,u.y=0):(u.x*=t,u.y*=t)}}},o.preSolveVelocity=function(e){var t,n,o=e.length;for(t=0;t<o;t++){var r=e[t];if(r.isActive&&!r.isSensor){var i=r.activeContacts,a=i.length,s=r.collision,l=s.parentA,c=s.parentB,u=s.normal,d=s.tangent;for(n=0;n<a;n++){var p=i[n],m=p.vertex,f=p.normalImpulse,v=p.tangentImpulse;if(0!==f||0!==v){var g=u.x*f+d.x*v,y=u.y*f+d.y*v;l.isStatic||l.isSleeping||(l.positionPrev.x+=g*l.inverseMass,l.positionPrev.y+=y*l.inverseMass,l.anglePrev+=l.inverseInertia*((m.x-l.position.x)*y-(m.y-l.position.y)*g)),c.isStatic||c.isSleeping||(c.positionPrev.x-=g*c.inverseMass,c.positionPrev.y-=y*c.inverseMass,c.anglePrev-=c.inverseInertia*((m.x-c.position.x)*y-(m.y-c.position.y)*g))}}}}},o.solveVelocity=function(e,t){var n,r,a,s,l=t/i._baseDelta,c=l*l*l,u=-o._restingThresh*l,d=o._restingThreshTangent,p=o._frictionNormalMultiplier*l,m=o._frictionMaxStatic,f=e.length;for(a=0;a<f;a++){var v=e[a];if(v.isActive&&!v.isSensor){var g=v.collision,y=g.parentA,h=g.parentB,b=y.velocity,x=h.velocity,w=g.normal.x,S=g.normal.y,k=g.tangent.x,_=g.tangent.y,B=v.activeContacts,C=B.length,P=1/C,E=y.inverseMass+h.inverseMass,N=v.friction*v.frictionStatic*p;for(b.x=y.position.x-y.positionPrev.x,b.y=y.position.y-y.positionPrev.y,x.x=h.position.x-h.positionPrev.x,x.y=h.position.y-h.positionPrev.y,y.angularVelocity=y.angle-y.anglePrev,h.angularVelocity=h.angle-h.anglePrev,s=0;s<C;s++){var V=B[s],A=V.vertex,T=A.x-y.position.x,I=A.y-y.position.y,M=A.x-h.position.x,O=A.y-h.position.y,D=b.x-I*y.angularVelocity,j=b.y+T*y.angularVelocity,L=D-(x.x-O*h.angularVelocity),z=j-(x.y+M*h.angularVelocity),R=w*L+S*z,F=k*L+_*z,H=v.separation+R,$=Math.min(H,1),q=($=H<0?0:$)*N;F<-q||F>q?(r=F>0?F:-F,(n=v.friction*(F>0?1:-1)*c)<-r?n=-r:n>r&&(n=r)):(n=F,r=m);var G=T*S-I*w,U=M*S-O*w,W=P/(E+y.inv