https://agda.com.au/wp-content/themes/agda/dist/frontend/assets/front-page-B19HU0C9.js

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2 * matter-js 0.20.0 by @liabru
3 * http://brm.io/matter-js/
4 * License MIT
5 * 
6 * The MIT License (MIT)
7 * 
8 * Copyright (c) Liam Brummitt and contributors.
9 * 
10 * Permission is hereby granted, free of charge, to any person obtaining a copy
11 * of this software and associated documentation files (the "Software"), to deal
12 * in the Software without restriction, including without limitation the rights
13 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14 * copies of the Software, and to permit persons to whom the Software is
15 * furnished to do so, subject to the following conditions:
16 * 
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
19 * 
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
26 * THE SOFTWARE.
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27c.angularSpeed=0,c.motion=0):c._original&&(c.restitution=c._original.restitution,c.friction=c._original.friction,c.mass=c._original.mass,c.inertia=c._original.inertia,c.density=c._original.density,c.inverseMass=c._original.inverseMass,c.inverseInertia=c._original.inverseInertia,c._original=null),c.isStatic=s}},e.setMass=function(t,s){var r=t.inertia/(t.mass/6);t.inertia=r*(s/6),t.inverseInertia=1/t.inertia,t.mass=s,t.inverseMass=1/t.mass,t.density=t.mass/t.area},e.setDensity=function(t,s){e.setMass(t,s*t.area),t.density=s},e.setInertia=function(t,s){t.inertia=s,t.inverseInertia=1/t.inertia},e.setVertices=function(t,s){s[0].body===t?t.vertices=s:t.vertices=l.create(s,t),t.axes=f.fromVertices(t.vertices),t.area=l.area(t.vertices),e.setMass(t,t.density*t.area);var r=l.centre(t.vertices);l.translate(t.vertices,r,-1),e.setInertia(t,e._inertiaScale*l.inertia(t.vertices,t.mass)),l.translate(t.vertices,t.position),n.update(t.bounds,t.vertices,t.velocity)},e.setParts=function(t,s,r){var c;for(s=s.slice(0),t.parts.length=0,t.parts.push(t),t.parent=t,c=0;c<s.length;c++){var h=s[c];h!==t&&(h.parent=t,t.parts.push(h))}if(t.parts.length!==1){if(r=typeof r<"u"?r:!0,r){var v=[];for(c=0;c<s.length;c++)v=v.concat(s[c].vertices);l.clockwiseSort(v);var y=l.hull(v),M=l.centre(y);e.setVertices(t,y),l.translate(t.vertices,M)}var g=e._totalProperties(t);t.area=g.area,t.parent=t,t.position.x=g.centre.x,t.position.y=g.centre.y,t.positionPrev.x=g.centre.x,t.positionPrev.y=g.centre.y,e.setMass(t,g.mass),e.setInertia(t,g.inertia),e.setPosition(t,g.centre)}},e.setCentre=function(t,s,r){r?(t.positionPrev.x+=s.x,t.positionPrev.y+=s.y,t.position.x+=s.x,t.position.y+=s.y):(t.positionPrev.x=s.x-(t.position.x-t.positionPrev.x),t.positionPrev.y=s.y-(t.position.y-t.positionPrev.y),t.position.x=s.x,t.position.y=s.y)},e.setPosition=function(t,s,r){var c=o.sub(s,t.position);r?(t.positionPrev.x=t.position.x,t.positionPrev.y=t.position.y,t.velocity.x=c.x,t.velocity.y=c.y,t.speed=o.magnitude(c)):(t.positionPrev.x+=c.x,t.positionPrev.y+=c.y);for(var h=0;h<t.parts.length;h++){var v=t.parts[h];v.position.x+=c.x,v.position.y+=c.y,l.translate(v.vertices,c),n.update(v.bounds,v.vertices,t.velocity)}},e.setAngle=function(t,s,r){var c=s-t.angle;r?(t.anglePrev=t.angle,t.angularVelocity=c,t.angularSpeed=Math.abs(c)):t.anglePrev+=c;for(var h=0;h<t.parts.length;h++){var v=t.parts[h];v.angle+=c,l.rotate(v.vertices,c,t.position),f.rotate(v.axes,c),n.update(v.bounds,v.vertices,t.velocity),h>0&&o.rotateAbout(v.position,c,t.position,v.position)}},e.setVelocity=function(t,s){var r=t.deltaTime/e._baseDelta;t.positionPrev.x=t.position.x-s.x*r,t.positionPrev.y=t.position.y-s.y*r,t.velocity.x=(t.position.x-t.positionPrev.x)/r,t.velocity.y=(t.position.y-t.positionPrev.y)/r,t.speed=o.magnitude(t.velocity)},e.getVelocity=function(t){var s=e._baseDelta/t.deltaTime;return{x:(t.position.x-t.positionPrev.x)*s,y:(t.position.y-t.positionPrev.y)*s}},e.getSpeed=function(t){return o.magnitude(e.getVelocity(t))},e.setSpeed=function(t,s){e.setVelocity(t,o.mult(o.normalise(e.getVelocity(t)),s))},e.setAngularVelocity=function(t,s){var r=t.deltaTime/e._baseDelta;t.anglePrev=t.angle-s*r,t.angularVelocity=(t.angle-t.anglePrev)/r,t.angularSpeed=Math.abs(t.angularVelocity)},e.getAngularVelocity=function(t){return(t.angle-t.anglePrev)*e._baseDelta/t.deltaTime},e.getAngularSpeed=function(t){return Math.abs(e.getAngularVelocity(t))},e.setAngularSpeed=function(t,s){e.setAngularVelocity(t,d.sign(e.getAngularVelocity(t))*s)},e.translate=function(t,s,r){e.setPosition(t,o.add(t.position,s),r)},e.rotate=function(t,s,r,c){if(!r)e.setAngle(t,t.angle+s,c);else{var h=Math.cos(s),v=Math.sin(s),y=t.position.x-r.x,M=t.position.y-r.y;e.setPosition(t,{x:r.x+(y*h-M*v),y:r.y+(y*v+M*h)},c),e.setAngle(t,t.angle+s,c)}},e.scale=function(t,s,r,c){var h=0,v=0;c=c||t.position;for(var y=0;y<t.parts.length;y++){var M=t.parts[y];l.scale(M.vertices,s,r,c),M.axes=f.fromVertices(M.vertices),M.area=l.area(M.vertices),e.setMass(M,t.density*M.area),l.translate(M.vertices,{x:-M.position.x,y:-M.position.y}),e.setInertia(M,e._inertiaScale*l.inertia(M.vertices,M.mass)),l.translate(M.vertices,{x:M.position.x,y:M.position.y}),y>0&&(h+=M.area,v+=M.inertia),M.position.x=c.x+(M.position.x-c.x)*s,M.position.y=c.y+(M.position.y-c.y)*r,n.update(M.bounds,M.vertices,t.velocity)}t.parts.length>

271&&(t.area=h,t.isStatic||(e.setMass(t,t.density*h),e.setInertia(t,v))),t.circleRadius&&(s===r?t.circleRadius*=s:t.circleRadius=null)},e.update=function(t,s){s=(typeof s<"u"?s:1e3/60)*t.timeScale;var r=s*s,c=e._timeCorrection?s/(t.deltaTime||s):1,h=1-t.frictionAir*(s/d._baseDelta),v=(t.position.x-t.positionPrev.x)*c,y=(t.position.y-t.positionPrev.y)*c;t.velocity.x=v*h+t.force.x/t.mass*r,t.velocity.y=y*h+t.force.y/t.mass*r,t.positionPrev.x=t.position.x,t.positionPrev.y=t.position.y,t.position.x+=t.velocity.x,t.position.y+=t.velocity.y,t.deltaTime=s,t.angularVelocity=(t.angle-t.anglePrev)*h*c+t.torque/t.inertia*r,t.anglePrev=t.angle,t.angle+=t.angularVelocity;for(var M=0;M<t.parts.length;M++){var g=t.parts[M];l.translate(g.vertices,t.velocity),M>0&&(g.position.x+=t.velocity.x,g.position.y+=t.velocity.y),t.angularVelocity!==0&&(l.rotate(g.vertices,t.angularVelocity,t.position),f.rotate(g.axes,t.angularVelocity),M>0&&o.rotateAbout(g.position,t.angularVelocity,t.position,g.position)),n.update(g.bounds,g.vertices,t.velocity)}},e.updateVelocities=function(t){var s=e._baseDelta/t.deltaTime,r=t.velocity;r.x=(t.position.x-t.positionPrev.x)*s,r.y=(t.position.y-t.positionPrev.y)*s,t.speed=Math.sqrt(r.x*r.x+r.y*r.y),t.angularVelocity=(t.angle-t.anglePrev)*s,t.angularSpeed=Math.abs(t.angularVelocity)},e.applyForce=function(t,s,r){var c={x:s.x-t.position.x,y:s.y-t.position.y};t.force.x+=r.x,t.force.y+=r.y,t.torque+=c.x*r.y-c.y*r.x},e._totalProperties=function(t){for(var s={mass:0,area:0,inertia:0,centre:{x:0,y:0}},r=t.parts.length===1?0:1;r<t.parts.length;r++){var c=t.parts[r],h=c.mass!==1/0?c.mass:1;s.mass+=h,s.area+=c.area,s.inertia+=c.inertia,s.centre=o.add(s.centre,o.mult(c.position,h))}return s.centre=o.div(s.centre,s.mass),s}})()}),(function(T,E,u){var e={};T.exports=e;var l=u(0);(function(){e.on=function(o,i,d){for(var n=i.split(" "),f,a=0;a<n.length;a++)f=n[a],o.events=o.events||{},o.events[f]=o.events[f]||[],o.events[f].push(d);return d},e.off=function(o,i,d){if(!i){o.events={};return}typeof i=="function"&&(d=i,i=l.keys(o.events).join(" "));for(var n=i.split(" "),f=0;f<n.length;f++){var a=o.events[n[f]],t=[];if(d&&a)for(var s=0;s<a.length;s++)a[s]!==d&&t.push(a[s]);o.events[n[f]]=t}},e.trigger=function(o,i,d){var n,f,a,t,s=o.events;if(s&&l.keys(s).length>0){d||(d={}),n=i.split(" ");for(var r=0;r<n.length;r++)if(f=n[r],a=s[f],a){t=l.clone(d,!1),t.name=f,t.source=o;for(var c=0;c<a.length;c++)a[c].apply(o,[t])}}}})()}),(function(T,E,u){var e={};T.exports=e;var l=u(5),o=u(0),i=u(1),d=u(4);(function(){e.create=function(n){return o.extend({id:o.nextId(),type:"composite",parent:null,isModified:!1,bodies:[],constraints:[],composites:[],label:"Composite",plugin:{},cache:{allBodies:null,allConstraints:null,allComposites:null}},n)},e.setModified=function(n,f,a,t){if(n.isModified=f,f&&n.cache&&(n.cache.allBodies=null,n.cache.allConstraints=null,n.cache.allComposites=null),a&&n.parent&&e.setModified(n.parent,f,a,t),t)for(var s=0;s<n.composites.length;s++){var r=n.composites[s];e.setModified(r,f,a,t)}},e.add=function(n,f){var a=[].concat(f);l.trigger(n,"beforeAdd",{object:f});for(var t=0;t<a.length;t++){var s=a[t];switch(s.type){case"body":if(s.parent!==s){o.warn("Composite.add: skipped adding a compound body part (you must add its parent instead)");break}e.addBody(n,s);break;case"constraint":e.addConstraint(n,s);break;case"composite":e.addComposite(n,s);break;case"mouseConstraint":e.addConstraint(n,s.constraint);break}}return l.trigger(n,"afterAdd",{object:f}),n},e.remove=function(n,f,a){var t=[].concat(f);l.trigger(n,"beforeRemove",{object:f});for(var s=0;s<t.length;s++){var r=t[s];switch(r.type){case"body":e.removeBody(n,r,a);break;case"constraint":e.removeConstraint(n,r,a);break;case"composite":e.removeComposite(n,r,a);break;case"mouseConstraint":e.removeConstraint(n,r.constraint);break}}return l.trigger(n,"afterRemove",{object:f}),n},e.addComposite=function(n,f){return n.composites.push(f),f.parent=n,e.setModified(n,!0,!0,!1),n},e.removeComposite=function(n,f,a){var t=o.indexOf(n.composites,f);if(t!==-1){var s=e.allBodies(f);e.removeCompositeAt(n,t);for(var r=0;r<s.length;r++)s[r].sleepCounter=0}if(a)for(var r=0;r<n.composites.length;r++)e.removeComposite(n.composites[r],f,!0);return n},e.removeCompositeAt=function(n,f){return n.composites.splice(f,1),e.setModified(n,!0,!0,!1),n},e.addBody=function(n,f){return n.bodies.push(f),e.setModified(n,!0,!0,!1),n},e.removeBody=function(n,f,a){var t=o.indexOf(n.bodies,f);if(t!==-1&&(e.removeBodyAt(n,t),f.sleepCounter=0),a)for(var s=0;s<n.composites.length;s++)e.removeBody(n.composites[s],f,!0);return n},e.removeBodyAt=function(n,f){return n.bodies.splice(f,1),e.setModified(n,!0,!0,!1),n},e.addConstraint=function(n,f){return n.constraints.push(f),e.setModified(n,!0,!0,!1),n},e.removeConstraint=function(n,f,a){var t=o.indexOf(n.constraints,f);if(t!==-1&&e.removeConstraintAt(n,t),a)for(var s=0;s<n.composites.length;s++)e.removeConstraint(n.composites[s],f,!0);return n},e.removeConstraintAt=function(n,f){return n.constraints.splice(f,1),e.setModified(n,!0,!0,!1),n},e.clear=function(n,f,a){if(a)for(var t=0;t<n.composites.length;t++)e.clear(n.composites[t],f,!0);return f?n.bodies=n.bodies.filter(function(s){return s.isStatic}):n.bodies.length=0,n.constraints.length=0,n.composites.length=0,e.setModified(n,!0,!0,!1),n},e.allBodies=function(n){if(n.cache&&n.cache.allBodies)return n.cache.allBodies;for(var 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f=e.allBodies(n).concat(e.allConstraints(n)).concat(e.allComposites(n)),a=0;a<f.length;a++)f[a].id=o.nextId();return n},e.translate=function(n,f,a){for(var t=a?e.allBodies(n):n.bodies,s=0;s<t.length;s++)d.translate(t[s],f);return n},e.rotate=function(n,f,a,t){for(var s=Math.cos(f),r=Math.sin(f),

27c=t?e.allBodies(n):n.bodies,h=0;h<c.length;h++){var v=c[h],y=v.position.x-a.x,M=v.position.y-a.y;d.setPosition(v,{x:a.x+(y*s-M*r),y:a.y+(y*r+M*s)}),d.rotate(v,f)}return n},e.scale=function(n,f,a,t,s){for(var r=s?e.allBodies(n):n.bodies,c=0;c<r.length;c++){var h=r[c],v=h.position.x-t.x,y=h.position.y-t.y;d.setPosition(h,{x:t.x+v*f,y:t.y+y*a}),d.scale(h,f,a)}return n},e.bounds=function(n){for(var f=e.allBodies(n),a=[],t=0;t<f.length;t+=1){var s=f[t];a.push(s.bounds.min,s.bounds.max)}return i.create(a)}})()}),(function(T,E,u){var e={};T.exports=e;var l=u(4),o=u(5),i=u(0);(function(){e._motionWakeThreshold=.18,e._motionSleepThreshold=.08,e._minBias=.9,e.update=function(d,n){for(var f=n/i._baseDelta,a=e._motionSleepThreshold,t=0;t<d.length;t++){var s=d[t],r=l.getSpeed(s),c=l.getAngularSpeed(s),h=r*r+c*c;if(s.force.x!==0||s.force.y!==0){e.set(s,!1);continue}var v=Math.min(s.motion,h),y=Math.max(s.motion,h);s.motion=e._minBias*v+(1-e._minBias)*y,s.sleepThreshold>0&&s.motion<a?(s.sleepCounter+=1,s.sleepCounter>=s.sleepThreshold/f&&e.set(s,!0)):s.sleepCounter>0&&(s.sleepCounter-=1)}},e.afterCollisions=function(d){for(var n=e._motionSleepThreshold,f=0;f<d.length;f++){var a=d[f];if(a.isActive){var t=a.collision,s=t.bodyA.parent,r=t.bodyB.parent;if(!(s.isSleeping&&r.isSleeping||s.isStatic||r.isStatic)&&(s.isSleeping||r.isSleeping)){var c=s.isSleeping&&!s.isStatic?s:r,h=c===s?r:s;!c.isStatic&&h.motion>n&&e.set(c,!1)}}}},e.set=function(d,n){var f=d.isSleeping;n?(d.isSleeping=!0,d.sleepCounter=d.sleepThreshold,d.positionImpulse.x=0,d.positionImpulse.y=0,d.positionPrev.x=d.position.x,d.positionPrev.y=d.position.y,d.anglePrev=d.angle,d.speed=0,d.angularSpeed=0,d.motion=0,f||o.trigger(d,"sleepStart")):(d.isSleeping=!1,d.sleepCounter=0,f&&o.trigger(d,"sleepEnd"))}})()}),(function(T,E,u){var e={};T.exports=e;var l=u(3),o=u(9);(function(){var i=[],d={overlap:0,axis:null},n={overlap:0,axis:null};e.create=function(f,a){return{pair:null,collided:!1,bodyA:f,bodyB:a,parentA:f.parent,parentB:a.parent,depth:0,normal:{x:0,y:0},tangent:{x:0,y:0},penetration:{x:0,y:0},supports:[null,null],supportCount:0}},e.collides=function(f,a,t){if(e._overlapAxes(d,f.vertices,a.vertices,f.axes),d.overlap<=0||(e._overlapAxes(n,a.vertices,f.vertices,a.axes),n.overlap<=0))return null;var s=t&&t.table[o.id(f,a)],r;s?r=s.collision:(r=e.create(f,a),r.collided=!0,r.bodyA=f.id<a.id?f:a,r.bodyB=f.id<a.id?a:f,r.parentA=r.bodyA.parent,r.parentB=r.bodyB.parent),f=r.bodyA,a=r.bodyB;var c;d.overlap<n.overlap?c=d:c=n;var h=r.normal,v=r.tangent,y=r.penetration,M=r.supports,g=c.overlap,m=c.axis,w=m.x,p=m.y,b=a.position.x-f.position.x,P=a.position.y-f.position.y;w*b+p*P>=0&&(w=-w,p=-p),h.x=w,h.y=p,v.x=-p,v.y=w,y.x=w*g,y.y=p*g,r.depth=g;var S=e._findSupports(f,a,h,1),x=0;if(l.contains(f.vertices,S[0])&&(M[x++]=S[0]),l.contains(f.vertices,S[1])&&(M[x++]=S[1]),x<2){var B=e._findSupports(a,f,h,-1);l.contains(a.vertices,B[0])&&(M[x++]=B[0]),x<2&&l.contains(a.vertices,B[1])&&(M[x++]=B[1])}return x===0&&(M[x++]=S[0]),r.supportCount=x,r},e._overlapAxes=function(f,a,t,s){var r=a.length,c=t.length,h=a[0].x,v=a[0].y,y=t[0].x,M=t[0].y,g=s.length,m=Number.MAX_VALUE,w=0,p,b,P,S,x,B;for(x=0;x<g;x++){var I=s[x],F=I.x,N=I.y,k=h*F+v*N,H=y*F+M*N,V=k,j=H;for(B=1;B<r;B+=1)S=a[B].x*F+a[B].y*N,S>V?V=S:S<k&&(k=S);for(B=1;B<c;B+=1)S=t[B].x*F+t[B].y*N,S>j?j=S:S<H&&(H=S);if(b=V-H,P=j-k,p=b<P?b:P,p<m&&(m=p,w=x,p<=0))break}f.axis=s[w],f.overlap=m},e._findSupports=function(f,a,t,s){var r=a.vertices,c=r.length,h=f.position.x,v=f.position.y,y=t.x*s,M=t.y*s,g=r[0],m=g,w=y*(h-m.x)+M*(v-m.y),p,b,P;for(P=1;P<c;P+=1)m=r[P],b=y*(h-m.x)+M*(v-m.y),b<w&&(w=b,g=m);return p=r[(c+g.index-1)%c],w=y*(h-p.x)+M*(v-p.y),m=r[(g.index+1)%c],y*(h-m.x)+M*(v-m.y)<w?(i[0]=g,i[1]=m,i):(i[0]=g,i[1]=p,i)}})()}),(function(T,E,u){var e={};T.exports=e;var l=u(16);(function(){e.create=function(o,i){var d=o.bodyA,n=o.bodyB,f={id:e.id(d,n),bodyA:d,bodyB:n,collision:o,contacts:[l.create(),l.create()],contactCount:0,separation:0,isActive:!0,isSensor:d.isSensor||n.isSensor,timeCreated:i,timeUpdated:i,inverseMass:0,friction:0,frictionStatic:0,restitution:0,slop:0};return e.update(f,o,i),f},e.update=function(o,i,d){var n=i.supports,f=i.supportCount,a=o.contacts,t=i.parentA,s=i.parentB;o.isActive=!0,o.timeUpdated=d,o.collision=i,o.separation=i.depth,o.inverseMass=t.inverseMass+s.inverseMass,o.friction=t.friction<s.friction?t.friction:s.friction,o.frictionStatic=t.frictionStatic>s.frictionStatic?t.frictionStatic:s.frictionStatic,o.restitution=t.restitution>s.restitution?t.restitution:s.restitution,o.slop=t.slop>s.slop?t.slop:s.slop,o.contactCount=f,i.pair=o;var r=n[0],c=a[0],h=n[1],v=a[1];

27(v.vertex===r||c.vertex===h)&&(a[1]=c,a[0]=c=v,v=a[1]),c.vertex=r,v.vertex=h},e.setActive=function(o,i,d){i?(o.isActive=!0,o.timeUpdated=d):(o.isActive=!1,o.contactCount=0)},e.id=function(o,i){return o.id<i.id?o.id.toString(36)+":"+i.id.toString(36):i.id.toString(36)+":"+o.id.toString(36)}})()}),(function(T,E,u){var e={};T.exports=e;var l=u(3),o=u(2),i=u(7),d=u(1),n=u(11),f=u(0);(function(){e._warming=.4,e._torqueDampen=1,e._minLength=1e-6,e.create=function(a){var t=a;t.bodyA&&!t.pointA&&(t.pointA={x:0,y:0}),t.bodyB&&!t.pointB&&(t.pointB={x:0,y:0});var s=t.bodyA?o.add(t.bodyA.position,t.pointA):t.pointA,r=t.bodyB?o.add(t.bodyB.position,t.pointB):t.pointB,c=o.magnitude(o.sub(s,r));t.length=typeof t.length<"u"?t.length:c,t.id=t.id||f.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 h={visible:!0,lineWidth:2,strokeStyle:"#ffffff",type:"line",anchors:!0};return t.length===0&&t.stiffness>.1?(h.type="pin",h.anchors=!1):t.stiffness<.9&&(h.type="spring"),t.render=f.extend(h,t.render),t},e.preSolveAll=function(a){for(var t=0;t<a.length;t+=1){var s=a[t],r=s.constraintImpulse;s.isStatic||r.x===0&&r.y===0&&r.angle===0||(s.position.x+=r.x,s.position.y+=r.y,s.angle+=r.angle)}},e.solveAll=function(a,t){for(var s=f.clamp(t/f._baseDelta,0,1),r=0;r<a.length;r+=1){var c=a[r],h=!c.bodyA||c.bodyA&&c.bodyA.isStatic,v=!c.bodyB||c.bodyB&&c.bodyB.isStatic;(h||v)&&e.solve(a[r],s)}for(r=0;r<a.length;r+=1)c=a[r],h=!c.bodyA||c.bodyA&&c.bodyA.isStatic,v=!c.bodyB||c.bodyB&&c.bodyB.isStatic,!h&&!v&&e.solve(a[r],s)},e.solve=function(a,t){var s=a.bodyA,r=a.bodyB,c=a.pointA,h=a.pointB;if(!(!s&&!r)){s&&!s.isStatic&&(o.rotate(c,s.angle-a.angleA,c),a.angleA=s.angle),r&&!r.isStatic&&(o.rotate(h,r.angle-a.angleB,h),a.angleB=r.angle);var v=c,y=h;if(s&&(v=o.add(s.position,c)),r&&(y=o.add(r.position,h)),!(!v||!y)){var M=o.sub(v,y),g=o.magnitude(M);g<e._minLength&&(g=e._minLength);var m=(g-a.length)/g,w=a.stiffness>=1||a.length===0,p=w?a.stiffness*t:a.stiffness*t*t,b=a.damping*t,P=o.mult(M,m*p),S=(s?s.inverseMass:0)+(r?r.inverseMass:0),x=(s?s.inverseInertia:0)+(r?r.inverseInertia:0),B=S+x,I,F,N,k,H;if(b>0){var V=o.create();N=o.div(M,g),H=o.sub(r&&o.sub(r.position,r.positionPrev)||V,s&&o.sub(s.position,s.positionPrev)||V),k=o.dot(N,H)}s&&!s.isStatic&&(F=s.inverseMass/S,s.constraintImpulse.x-=P.x*F,s.constraintImpulse.y-=P.y*F,s.position.x-=P.x*F,s.position.y-=P.y*F,b>0&&(s.positionPrev.x-=b*N.x*k*F,s.positionPrev.y-=b*N.y*k*F),I=o.cross(c,P)/B*e._torqueDampen*s.inverseInertia*(1-a.angularStiffness),s.constraintImpulse.angle-=I,s.angle-=I),r&&!r.isStatic&&(F=r.inverseMass/S,r.constraintImpulse.x+=P.x*F,r.constraintImpulse.y+=P.y*F,r.position.x+=P.x*F,r.position.y+=P.y*F,b>0&&(r.positionPrev.x+=b*N.x*k*F,r.positionPrev.y+=b*N.y*k*F),I=o.cross(h,P)/B*e._torqueDampen*r.inverseInertia*(1-a.angularStiffness),r.constraintImpulse.angle+=I,r.angle+=I)}}},e.postSolveAll=function(a){for(var t=0;t<a.length;t++){var s=a[t],r=s.constraintImpulse;if(!(s.isStatic||r.x===0&&r.y===0&&r.angle===0)){i.set(s,!1);for(var c=0;c<s.parts.length;c++){var h=s.parts[c];l.translate(h.vertices,r),c>0&&(h.position.x+=r.x,h.position.y+=r.y),r.angle!==0&&(l.rotate(h.vertices,r.angle,s.position),n.rotate(h.axes,r.angle),c>0&&o.rotateAbout(h.position,r.angle,s.position,h.position)),d.update(h.bounds,h.vertices,s.velocity)}r.angle*=e._warming,r.x*=e._warming,r.y*=e._warming}}},e.pointAWorld=function(a){return{x:(a.bodyA?a.bodyA.position.x:0)+(a.pointA?a.pointA.x:0),y:(a.bodyA?a.bodyA.position.y:0)+(a.pointA?a.pointA.y:0)}},e.pointBWorld=function(a){return{x:(a.bodyB?a.bodyB.position.x:0)+(a.pointB?a.pointB.x:0),y:(a.bodyB?a.bodyB.position.y:0)+(a.pointB?a.pointB.y:0)}},e.currentLength=function(a){var t=(a.bodyA?a.bodyA.position.x:0)+(a.pointA?a.pointA.x:0),s=(a.bodyA?a.bodyA.position.y:0)+(a.pointA?a.pointA.y:0),r=(a.bodyB?a.bodyB.position.x:0)+(a.pointB?a.pointB.x:0),c=(a.bodyB?a.bodyB.position.y:0)+(a.pointB?a.pointB.y:0),h=t-r,v=s-c;return Math.sqrt(h*h+v*v)}})()}),(function(T,E,u){var e={};T.exports=e;var l=u(2),o=u(0);(function(){e.fromVertices=function(i){for(var d={},n=0;n<i.length;n++){var f=(n+1)%i.length,a=l.normalise({x:i[f].y-i[n].y,y:i[n].x-i[f].x}),t=a.y===0?1/0:a.x/a.y;t=t.toFixed(3).toString(),d[t]=a}return o.values(d)},e.rotate=function(i,d){if(d!==0)for(var n=Math.cos(d),f=Math.sin(d),a=0;a<i.length;a++){var t=i[a],s;s=t.x*n-t.y*f,t.y=t.x*f+t.y*n,t.x=s}}})()}),(function(T,E,u){var e={};T.exports=e;var l=u(3),o=u(0),i=u(4),d=u(1),n=u(2);(function(){e.rectangle=function(f,a,t,s,r){r=r||{};var c={label:"Rectangle Body",position:{x:f,y:a},vertices:l.fromPath("L 0 0 L "+t+" 0 L "+t+" "+s+" L 0 "+s)};if(r.chamfer){var h=r.chamfer;

27c.vertices=l.chamfer(c.vertices,h.radius,h.quality,h.qualityMin,h.qualityMax),delete r.chamfer}return i.create(o.extend({},c,r))},e.trapezoid=function(f,a,t,s,r,c){c=c||{},r>=1&&o.warn("Bodies.trapezoid: slope parameter must be < 1."),r*=.5;var h=(1-r*2)*t,v=t*r,y=v+h,M=y+v,g;r<.5?g="L 0 0 L "+v+" "+-s+" L "+y+" "+-s+" L "+M+" 0":g="L 0 0 L "+y+" "+-s+" L "+M+" 0";var m={label:"Trapezoid Body",position:{x:f,y:a},vertices:l.fromPath(g)};if(c.chamfer){var w=c.chamfer;m.vertices=l.chamfer(m.vertices,w.radius,w.quality,w.qualityMin,w.qualityMax),delete c.chamfer}return i.create(o.extend({},m,c))},e.circle=function(f,a,t,s,r){s=s||{};var c={label:"Circle Body",circleRadius:t};r=r||25;var h=Math.ceil(Math.max(10,Math.min(r,t)));return h%2===1&&(h+=1),e.polygon(f,a,h,t,o.extend({},c,s))},e.polygon=function(f,a,t,s,r){if(r=r||{},t<3)return e.circle(f,a,s,r);for(var c=2*Math.PI/t,h="",v=c*.5,y=0;y<t;y+=1){var M=v+y*c,g=Math.cos(M)*s,m=Math.sin(M)*s;h+="L "+g.toFixed(3)+" "+m.toFixed(3)+" 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k=N[P],H=k.map(function(z){return{x:z[0],y:z[1]}});h>0&&l.area(H)<h||m.push({position:l.centre(H),vertices:H})}}for(P=0;P<m.length;P++)m[P]=i.create(o.extend(m[P],s));if(r){var V=5;for(P=0;P<m.length;P++){var j=m[P];for(S=P+1;S<m.length;S++){var U=m[S];if(d.overlaps(j.bounds,U.bounds)){var G=j.vertices,$=U.vertices;for(x=0;x<j.vertices.length;x++)for(I=0;I<U.vertices.length;I++){var oe=n.magnitudeSquared(n.sub(G[(x+1)%G.length],$[I])),_=n.magnitudeSquared(n.sub(G[x],$[(I+1)%$.length]));oe<V&&_<V&&(G[x].isInternal=!0,$[I].isInternal=!0)}}}}}return m.length>1?(g=i.create(o.extend({parts:m.slice(0)},s)),i.setPosition(g,{x:f,y:a}),g):m[0]}})()}),(function(T,E,u){var e={};T.exports=e;var l=u(0),o=u(8);(function(){e.create=function(i){var d={bodies:[],collisions:[],pairs:null};return l.extend(d,i)},e.setBodies=function(i,d){i.bodies=d.slice(0)},e.clear=function(i){i.bodies=[],i.collisions=[]},e.collisions=function(i){var d=i.pairs,n=i.bodies,f=n.length,a=e.canCollide,t=o.collides,s=i.collisions,r=0,c,h;for(n.sort(e._compareBoundsX),c=0;c<f;c++){var v=n[c],y=v.bounds,M=v.bounds.max.x,g=v.bounds.max.y,m=v.bounds.min.y,w=v.isStatic||v.isSleeping,p=v.parts.length,b=p===1;for(h=c+1;h<f;h++){var P=n[h],S=P.bounds;if(S.min.x>M)break;if(!(g<S.min.y||m>S.max.y)&&!(w&&(P.isStatic||P.isSleeping))&&a(v.collisionFilter,P.collisionFilter)){var x=P.parts.length;if(b&&x===1){var B=t(v,P,d);B&&(s[r++]=B)}else for(var I=p>1?1:0,F=x>1?1:0,N=I;N<p;N++)for(var k=v.parts[N],y=k.bounds,H=F;H<x;H++){var V=P.parts[H],S=V.bounds;if(!(y.min.x>S.max.x||y.max.x<S.min.x||y.max.y<S.min.y||y.min.y>S.max.y)){var B=t(k,V,d);B&&(s[r++]=B)}}}}}return s.length!==r&&(s.length=r),s},e.canCollide=function(i,d){return i.group===d.group&&i.group!==0?i.group>0:(i.mask&d.category)!==0&&(d.mask&i.category)!==0},e._compareBoundsX=function(i,d){return i.bounds.min.x-d.bounds.min.x}})()}),(function(T,E,u){var e={};T.exports=e;var l=u(0);(function(){e.create=function(o){var i={};return o||l.log("Mouse.create: element was undefined, defaulting to document.body","warn"),i.element=o||document.body,i.absolute={x:0,y:0},i.position={x:0,y:0},i.mousedownPosition={x:0,y:0},i.mouseupPosition={x:0,y:0},i.offset={x:0,y:0},i.scale={x:1,y:1},i.wheelDelta=0,i.button=-1,i.pixelRatio=parseInt(i.element.getAttribute("data-pixel-ratio"),10)||1,i.sourceEvents={mousemove:null,mousedown:null,mouseup:null,mousewheel:null},i.mousemove=function(d){var n=e._getRelativeMousePosition(d,i.element,i.pixelRatio),f=d.changedTouches;f&&(i.button=0,d.preventDefault()),i.absolute.x=n.x,i.absolute.y=n.y,i.position.x=i.absolute.x*i.scale.x+i.offset.x,i.position.y=i.absolute.y*i.scale.y+i.offset.y,i.sourceEvents.mousemove=d},i.mousedown=function(d){var n=e._getRelativeMousePosition(d,i.element,i.pixelRatio),f=d.changedTouches;f?(i.button=0,d.preventDefault()):i.button=d.button,i.absolute.x=n.x,i.absolute.y=n.y,i.position.x=i.absolute.x*i.scale.x+i.offset.x,i.position.y=i.absolute.y*i.scale.y+i.offset.y,i.mousedownPosition.x=i.position.x,i.mousedownPosition.y=i.position.y,i.sourceEvents.mousedown=d},i.mouseup=function(d){var n=e._getRelativeMousePosition(d,i.element,i.pixelRatio),f=d.changedTouches;f&&d.preventDefault(),i.button=-1,i.absolute.x=n.x,i.absolute.y=n.y,i.position.x=i.absolute.x*i.scale.x+i.offset.x,i.position.y=i.absolute.y*i.scale.y+i.offset.y,i.mouseupPosition.x=i.position.x,i.mouseupPosition.y=i.position.y,i.sourceEvents.mouseup=d},i.mousewheel=function(d){i.wheelDelta=Math.max(-1,Math.min(1,d.wheelDelta||-d.detail)),d.preventDefault(),i.sourceEvents.mousewheel=d},e.setElement(i,i.element),i},e.setElement=function(o,i){o.element=i,i.addEventListener("mousemove",o.mousemove,{passive:!0}),i.addEventListener("mousedown",o.mousedown,{passive:!0}),i.addEventListener("mouseup",o.mouseup,{passive:!0}),i.addEventListener("wheel",o.mousewheel,{passive:!1}),i.addEventListener("touchmove",o.mousemove,{passive:!1}

27),i.addEventListener("touchstart",o.mousedown,{passive:!1}),i.addEventListener("touchend",o.mouseup,{passive:!1})},e.clearSourceEvents=function(o){o.sourceEvents.mousemove=null,o.sourceEvents.mousedown=null,o.sourceEvents.mouseup=null,o.sourceEvents.mousewheel=null,o.wheelDelta=0},e.setOffset=function(o,i){o.offset.x=i.x,o.offset.y=i.y,o.position.x=o.absolute.x*o.scale.x+o.offset.x,o.position.y=o.absolute.y*o.scale.y+o.offset.y},e.setScale=function(o,i){o.scale.x=i.x,o.scale.y=i.y,o.position.x=o.absolute.x*o.scale.x+o.offset.x,o.position.y=o.absolute.y*o.scale.y+o.offset.y},e._getRelativeMousePosition=function(o,i,d){var n=i.getBoundingClientRect(),f=document.documentElement||document.body.parentNode||document.body,a=window.pageXOffset!==void 0?window.pageXOffset:f.scrollLeft,t=window.pageYOffset!==void 0?window.pageYOffset:f.scrollTop,s=o.changedTouches,r,c;return s?(r=s[0].pageX-n.left-a,c=s[0].pageY-n.top-t):(r=o.pageX-n.left-a,c=o.pageY-n.top-t),{x:r/(i.clientWidth/(i.width||i.clientWidth)*d),y:c/(i.clientHeight/(i.height||i.clientHeight)*d)}}})()}),(function(T,E,u){var e={};T.exports=e;var l=u(0);(function(){e._registry={},e.register=function(o){if(e.isPlugin(o)||l.warn("Plugin.register:",e.toString(o),"does not implement all required fields."),o.name in e._registry){var i=e._registry[o.name],d=e.versionParse(o.version).number,n=e.versionParse(i.version).number;d>n?(l.warn("Plugin.register:",e.toString(i),"was upgraded to",e.toString(o)),e._registry[o.name]=o):d<n?l.warn("Plugin.register:",e.toString(i),"can not be downgraded to",e.toString(o)):o!==i&&l.warn("Plugin.register:",e.toString(o),"is already registered to different plugin object")}else e._registry[o.name]=o;return o},e.resolve=function(o){return e._registry[e.dependencyParse(o).name]},e.toString=function(o){return typeof o=="string"?o:(o.name||"anonymous")+"@"+(o.version||o.range||"0.0.0")},e.isPlugin=function(o){return o&&o.name&&o.version&&o.install},e.isUsed=function(o,i){return o.used.indexOf(i)>-1},e.isFor=function(o,i){var d=o.for&&e.dependencyParse(o.for);return!o.for||i.name===d.name&&e.versionSatisfies(i.version,d.range)},e.use=function(o,i){if(o.uses=(o.uses||[]).concat(i||[]),o.uses.length===0){l.warn("Plugin.use:",e.toString(o),"does not specify any dependencies to install.");return}for(var d=e.dependencies(o),n=l.topologicalSort(d),f=[],a=0;a<n.length;a+=1)if(n[a]!==o.name){var t=e.resolve(n[a]);if(!t){f.push("❌ "+n[a]);continue}e.isUsed(o,t.name)||(e.isFor(t,o)||(l.warn("Plugin.use:",e.toString(t),"is for",t.for,"but installed on",e.toString(o)+"."),t._warned=!0),t.install?t.install(o):(l.warn("Plugin.use:",e.toString(t),"does not specify an install function."),t._warned=!0),t._warned?(f.push("🔶 "+e.toString(t)),delete t._warned):f.push("✅ "+e.toString(t)),o.used.push(t.name))}f.length>0&&l.info(f.join("  "))},e.dependencies=function(o,i){var d=e.dependencyParse(o),n=d.name;if(i=i||{},!(n in i)){o=e.resolve(o)||o,i[n]=l.map(o.uses||[],function(a){e.isPlugin(a)&&e.register(a);var t=e.dependencyParse(a),s=e.resolve(a);return s&&!e.versionSatisfies(s.version,t.range)?(l.warn("Plugin.dependencies:",e.toString(s),"does not satisfy",e.toString(t),"used by",e.toString(d)+"."),s._warned=!0,o._warned=!0):s||(l.warn("Plugin.dependencies:",e.toString(a),"used by",e.toString(d),"could not be resolved."),o._warned=!0),t.name});for(var f=0;f<i[n].length;f+=1)e.dependencies(i[n][f],i);return i}},e.dependencyParse=function(o){if(l.isString(o)){var i=/^[\w-]+(@(\*|[\^~]?\d+\.\d+\.\d+(-[0-9A-Za-z-+]+)?))?$/;return i.test(o)||l.warn("Plugin.dependencyParse:",o,"is not a valid dependency string."),{name:o.split("@")[0],range:o.split("@")[1]||"*"}}return{name:o.name,range:o.range||o.version}},e.versionParse=function(o){var i=/^(\*)|(\^|~|>=|>)?\s*((\d+)\.(\d+)\.(\d+))(-[0-9A-Za-z-+]+)?$/;i.test(o)||l.warn("Plugin.versionParse:",o,"is not a valid version or range.");var d=i.exec(o),n=Number(d[4]),f=Number(d[5]),a=Number(d[6]);return{isRange:!!(d[1]||d[2]),version:d[3],range:o,operator:d[1]||d[2]||"",major:n,minor:f,patch:a,parts:[n,f,a],prerelease:d[7],number:n*1e8+f*1e4+a}}

27,e.versionSatisfies=function(o,i){i=i||"*";var d=e.versionParse(i),n=e.versionParse(o);if(d.isRange){if(d.operator==="*"||o==="*")return!0;if(d.operator===">")return n.number>d.number;if(d.operator===">=")return n.number>=d.number;if(d.operator==="~")return n.major===d.major&&n.minor===d.minor&&n.patch>=d.patch;if(d.operator==="^")return d.major>0?n.major===d.major&&n.number>=d.number:d.minor>0?n.minor===d.minor&&n.patch>=d.patch:n.patch===d.patch}return o===i||o==="*"}})()}),(function(T,E){var u={};T.exports=u,(function(){u.create=function(e){return{vertex:e,normalImpulse:0,tangentImpulse:0}}})()}),(function(T,E,u){var e={};T.exports=e;var l=u(7),o=u(18),i=u(13),d=u(19),n=u(5),f=u(6),a=u(10),t=u(0),s=u(4);(function(){e._deltaMax=1e3/60,e.create=function(r){r=r||{};var c={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,lastUpdatesPerFrame:0}},h=t.extend(c,r);return h.world=r.world||f.create({label:"World"}),h.pairs=r.pairs||d.create(),h.detector=r.detector||i.create(),h.detector.pairs=h.pairs,h.grid={buckets:[]},h.world.gravity=h.gravity,h.broadphase=h.grid,h.metrics={},h},e.update=function(r,c){var h=t.now(),v=r.world,y=r.detector,M=r.pairs,g=r.timing,m=g.timestamp,w;c>e._deltaMax&&t.warnOnce("Matter.Engine.update: delta argument is recommended to be less than or equal to",e._deltaMax.toFixed(3),"ms."),c=typeof c<"u"?c:t._baseDelta,c*=g.timeScale,g.timestamp+=c,g.lastDelta=c;var p={timestamp:g.timestamp,delta:c};n.trigger(r,"beforeUpdate",p);var b=f.allBodies(v),P=f.allConstraints(v);for(v.isModified&&(i.setBodies(y,b),f.setModified(v,!1,!1,!0)),r.enableSleeping&&l.update(b,c),e._bodiesApplyGravity(b,r.gravity),c>0&&e._bodiesUpdate(b,c),n.trigger(r,"beforeSolve",p),a.preSolveAll(b),w=0;w<r.constraintIterations;w++)a.solveAll(P,c);a.postSolveAll(b);var S=i.collisions(y);d.update(M,S,m),r.enableSleeping&&l.afterCollisions(M.list),M.collisionStart.length>0&&n.trigger(r,"collisionStart",{pairs:M.collisionStart,timestamp:g.timestamp,delta:c});var x=t.clamp(20/r.positionIterations,0,1);for(o.preSolvePosition(M.list),w=0;w<r.positionIterations;w++)o.solvePosition(M.list,c,x);for(o.postSolvePosition(b),a.preSolveAll(b),w=0;w<r.constraintIterations;w++)a.solveAll(P,c);for(a.postSolveAll(b),o.preSolveVelocity(M.list),w=0;w<r.velocityIterations;w++)o.solveVelocity(M.list,c);return e._bodiesUpdateVelocities(b),M.collisionActive.length>0&&n.trigger(r,"collisionActive",{pairs:M.collisionActive,timestamp:g.timestamp,delta:c}),M.collisionEnd.length>0&&n.trigger(r,"collisionEnd",{pairs:M.collisionEnd,timestamp:g.timestamp,delta:c}),e._bodiesClearForces(b),n.trigger(r,"afterUpdate",p),r.timing.lastElapsed=t.now()-h,r},e.merge=function(r,c){if(t.extend(r,c),c.world){r.world=c.world,e.clear(r);for(var h=f.allBodies(r.world),v=0;v<h.length;v++){var y=h[v];l.set(y,!1),y.id=t.nextId()}}},e.clear=function(r){d.clear(r.pairs),i.clear(r.detector)},e._bodiesClearForces=function(r){for(var c=r.length,h=0;h<c;h++){var v=r[h];v.force.x=0,v.force.y=0,v.torque=0}},e._bodiesApplyGravity=function(r,c){var h=typeof c.scale<"u"?c.scale:.001,v=r.length;if(!(c.x===0&&c.y===0||h===0))for(var y=0;y<v;y++){var M=r[y];M.isStatic||M.isSleeping||(M.force.y+=M.mass*c.y*h,M.force.x+=M.mass*c.x*h)}},e._bodiesUpdate=function(r,c){for(var h=r.length,v=0;v<h;v++){var y=r[v];y.isStatic||y.isSleeping||s.update(y,c)}},e._bodiesUpdateVelocities=function(r){for(var c=r.length,h=0;h<c;h++)s.updateVelocities(r[h])}})()}),(function(T,E,u){var e={};T.exports=e;var l=u(3),o=u(0),i=u(1);(function(){e._restingThresh=2,e._restingThreshTangent=Math.sqrt(6),e._positionDampen=.9,e._positionWarming=.8,e._frictionNormalMultiplier=5,e._frictionMaxStatic=Number.MAX_VALUE,e.preSolvePosition=function(d){var n,f,a,t=d.length;for(n=0;n<t;n++)f=d[n],f.isActive&&(a=f.contactCount,f.collision.parentA.totalContacts+=a,f.collision.parentB.totalContacts+=a)},e.solvePosition=function(d,n,f){var a,t,s,r,c,h,v,y,M=e._positionDampen*(f||1),g=o.clamp(n/o._baseDelta,0,1),m=d.length;for(a=0;a<m;a++)t=d[a],!(!t.isActive||t.isSensor)&&(s=t.collision,r=s.parentA,c=s.parentB,h=s.normal,t.separation=s.depth+h.x*(c.positionImpulse.x-r.positionImpulse.x)+h.y*(c.positionImpulse.y-r.positionImpulse.y));for(a=0;a<m;a++)t=d[a],!(!t.isActive||t.isSensor)&&(s=t.collision,r=s.parentA,c=s.parentB,h=s.normal,y=t.separation-t.slop*g,(r.isStatic||c.isStatic)&&(y*=2),r.isStatic||r.isSleeping||(v=M/r.totalContacts,r.positionImpulse.x+=h.x*y*v,r.positionImpulse.y+=h.y*y*v),c.isStatic||c.isSleeping||(v=M/c.totalContacts,c.positionImpulse.x-=h.x*y*v,c.positionImpulse.y-=h.y*y*v))},e.postSolvePosition=function(d){for(var n=e._positionWarming,f=d.length,a=l.translate,t=i.update,s=0;s<f;s++){var r=d[s],c=r.positionImpulse,h=c.x,v=c.y,y=r.velocity;if(r.totalContacts=0,h!==0||v!==0){for(var M=0;M<r.parts.length;M++){var g=r.parts[M];

27a(g.vertices,c),t(g.bounds,g.vertices,y),g.position.x+=h,g.position.y+=v}r.positionPrev.x+=h,r.positionPrev.y+=v,h*y.x+v*y.y<0?(c.x=0,c.y=0):(c.x*=n,c.y*=n)}}},e.preSolveVelocity=function(d){var n=d.length,f,a;for(f=0;f<n;f++){var t=d[f];if(!(!t.isActive||t.isSensor)){var s=t.contacts,r=t.contactCount,c=t.collision,h=c.parentA,v=c.parentB,y=c.normal,M=c.tangent;for(a=0;a<r;a++){var g=s[a],m=g.vertex,w=g.normalImpulse,p=g.tangentImpulse;if(w!==0||p!==0){var b=y.x*w+M.x*p,P=y.y*w+M.y*p;h.isStatic||h.isSleeping||(h.positionPrev.x+=b*h.inverseMass,h.positionPrev.y+=P*h.inverseMass,h.anglePrev+=h.inverseInertia*((m.x-h.position.x)*P-(m.y-h.position.y)*b)),v.isStatic||v.isSleeping||(v.positionPrev.x-=b*v.inverseMass,v.positionPrev.y-=P*v.inverseMass,v.anglePrev-=v.inverseInertia*((m.x-v.position.x)*P-(m.y-v.position.y)*b))}}}}},e.solveVelocity=function(d,n){var f=n/o._baseDelta,a=f*f,t=a*f,s=-e._restingThresh*f,r=e._restingThreshTangent,c=e._frictionNormalMultiplier*f,h=e._frictionMaxStatic,v=d.length,y,M,g,m;for(g=0;g<v;g++){var w=d[g];if(!(!w.isActive||w.isSensor)){var p=w.collision,b=p.parentA,P=p.parentB,S=p.normal.x,x=p.normal.y,B=p.tangent.x,I=p.tangent.y,F=w.inverseMass,N=w.friction*w.frictionStatic*c,k=w.contacts,H=w.contactCount,V=1/H,j=b.position.x-b.positionPrev.x,U=b.position.y-b.positionPrev.y,G=b.angle-b.anglePrev,$=P.position.x-P.positionPrev.x,oe=P.position.y-P.positionPrev.y,_=P.angle-P.anglePrev;for(m=0;m<H;m++){var z=k[m],ee=z.vertex,K=ee.x-b.position.x,le=ee.y-b.position.y,te=ee.x-P.position.x,ne=ee.y-P.position.y,Q=j-le*G,ve=U+K*G,We=$-ne*_,je=oe+te*_,Te=Q-We,Be=ve-je,Ce=S*Te+x*Be,ie=B*Te+I*Be,Ee=w.separation+Ce,Me=Math.min(Ee,1);Me=Ee<0?0:Me;var Re=Me*N;ie<-Re||ie>Re?(M=ie>0?ie:-ie,y=w.friction*(ie>0?1:-1)*t,y<-M?y=-M:y>M&&(y=M)):(y=ie,M=h);var Le=K*x-le*S,Ae=te*x-ne*S,Ie=V/(F+b.inverseInertia*Le*Le+P.inverseInertia*Ae*Ae),me=(1+w.restitution)*Ce*Ie;if(y*=Ie,Ce<s)z.normalImpulse=0;else{var De=z.normalImpulse;z.normalImpulse+=me,z.normalImpulse>0&&(z.normalImpulse=0),me=z.normalImpulse-De}if(ie<-r||ie>r)z.tangentImpulse=0;else{var Ve=z.tangentImpulse;z.tangentImpulse+=y,z.tangentImpulse<-M&&(z.tangentImpulse=-M),z.tangentImpulse>M&&(z.tangentImpulse=M),y=z.tangentImpulse-Ve}var pe=S*me+B*y,xe=x*me+I*y;b.isStatic||b.isSleeping||(b.positionPrev.x+=pe*b.inverseMass,b.positionPrev.y+=xe*b.inverseMass,b.anglePrev+=(K*xe-le*pe)*b.inverseInertia),P.isStatic||P.isSleeping||(P.positionPrev.x-=pe*P.inverseMass,P.positionPrev.y-=xe*P.inverseMass,P.anglePrev-=(te*xe-ne*pe)*P.inverseInertia)}}}}})()}),(function(T,E,u){var e={};T.exports=e;var l=u(9),o=u(0);(function(){e.create=function(i){return o.extend({table:{},list:[],collisionStart:[],collisionActive:[],collisionEnd:[]},i)},e.update=function(i,d,n){var f=l.update,a=l.create,t=l.setActive,s=i.table,r=i.list,c=r.length,h=c,v=i.collisionStart,y=i.collisionEnd,M=i.collisionActive,g=d.length,m=0,w=0,p=0,b,P,S;for(S=0;S<g;S++)b=d[S],P=b.pair,P?(P.isActive&&(M[p++]=P),f(P,b,n)):(P=a(b,n),s[P.id]=P,v[m++]=P,r[h++]=P);for(h=0,c=r.length,S=0;S<c;S++)P=r[S],P.timeUpdated>=n?r[h++]=P:(t(P,!1,n),P.collision.bodyA.sleepCounter>0&&P.collision.bodyB.sleepCounter>0?r[h++]=P:(y[w++]=P,delete s[P.id]));r.length!==h&&(r.length=h),v.length!==m&&(v.length=m),y.length!==w&&(y.length=w),M.length!==p&&(M.length=p)},e.clear=function(i){return i.table={},i.list.length=0,i.collisionStart.length=0,i.collisionActive.length=0,i.collisionEnd.length=0,i}})()}),(function(T,E,u){var e=T.exports=u(21);e.Axes=u(11),e.Bodies=u(12),e.Body=u(4),e.Bounds=u(1),e.Collision=u(8),e.Common=u(0),e.Composite=u(6),e.Composites=u(22),e.Constraint=u(10),e.Contact=u(16),e.Detector=u(13),e.Engine=u(17),e.Events=u(5),e.Grid=u(23),e.Mouse=u(14),e.MouseConstraint=u(24),e.Pair=u(9),e.Pairs=u(19),e.Plugin=u(15),e.Query=u(25),e.Render=u(26),e.Resolver=u(18),e.Runner=u(27),e.SAT=u(28),e.Sleeping=u(7),e.Svg=u(29),e.Vector=u(2),e.Vertices=u(3),e.World=u(30),e.Engine.run=e.Runner.run,e.Common.deprecated(e.Engine,"run","Engine.run ➤ use Matter.Runner.run(engine) instead")}),(function(T,E,u){var e={};T.exports=e;var l=u(15),o=u(0);(function(){e.name="matter-js",e.version="0.20.0",e.uses=[],e.used=[],e.use=function(){l.use(e,Array.prototype.slice.call(arguments))},e.before=function(i,d){return i=i.replace(/^Matter./,""),o.chainPathBefore(e,i,d)},e.after=function(i,d){return i=i.replace(/^Matter./,""),o.chainPathAfter(e,i,d)}})()}),(function(T,E,u){var e={};T.exports=e;var l=u(6),o=u(10),i=u(0),d=u(4),n=u(12),f=i.deprecated;(function(){e.stack=function(a,t,s,r,c,h,v){for(var y=l.create({label:"Stack"}),M=a,g=t,m,w=0,p=0;p<r;p++){for(var b=0,P=0;P<s;P++){var S=v(M,g,P,p,m,w);if(S){var x=S.bounds.max.y-S.bounds.min.y,B=S.bounds.max.x-S.bounds.min.x;x>b&&(b=x),d.translate(S,{x:B*.5,y:x*.5}),M=S.bounds.max.x+c,l.addBody(y,S),m=S,w+=1}else M+=c}g+=b+h,M=a}return y},e.chain=function(a,t,s,r,c,h){for(var v=a.bodies,y=1;y<v.length;y++){var M=v[y-1],g=v[y],m=M.bounds.max.y-M.bounds.min.y,w=M.bounds.max.x-M.bounds.min.x,p=g.bounds.max.y-g.bounds.min.y,b=g.bounds.max.x-g.bounds.min.x,P={bodyA:M,pointA:{x:w*t,y:m*s},bodyB:g,pointB:{x:b*r,y:p*c}},S=i.extend(P,h);l.addConstraint(a,o.create(S))}return a.label+=" Chain",a},e.mesh=function(a,t,s,r,c){var h=a.bodies,v,y,M,g,m;for(v=0;v<s;v++){for(y=1;y<t;y++)M=h[y-1+v*t],g=h[y+v*t],l.addConstraint(a,o.create(i.extend({bodyA:M,bodyB:g},c)));if(v>0)for(y=0;y<t;y++)M=h[y+(v-1)*t],g=h[y+v*t],l.addConstraint(a,o.create(i.extend({bodyA:M,bodyB:g},c))),r&&y>0&&(m=h[y-1+(v-1)*t],l.addConstraint(a,o.create(i.extend({bodyA:m,bodyB:g},c)))),r&&y<t-1&&(m=h[y+1+(v-1)*t],l.addConstraint(a,o.create(i.extend({bodyA:m,bodyB:g},c))))}return a.label+=" Mesh",a},e.pyramid=function(a,t,s,r,c,h,v){return e.stack(a,t,s,r,c,h,function(y,M,g,m,w,p){var b=Math.min(r,Math.ceil(s/2)),P=w?w.bounds.max.x-w.bounds.min.x:0;if(!(m>b)){m=b-m;var S=m,x=s-1-m;if(!(g<S||g>

27x)){p===1&&d.translate(w,{x:(g+(s%2===1?1:-1))*P,y:0});var B=w?g*P:0;return v(a+B+g*c,M,g,m,w,p)}}})},e.newtonsCradle=function(a,t,s,r,c){for(var h=l.create({label:"Newtons Cradle"}),v=0;v<s;v++){var y=1.9,M=n.circle(a+v*(r*y),t+c,r,{inertia:1/0,restitution:1,friction:0,frictionAir:1e-4,slop:1}),g=o.create({pointA:{x:a+v*(r*y),y:t},bodyB:M});l.addBody(h,M),l.addConstraint(h,g)}return h},f(e,"newtonsCradle","Composites.newtonsCradle ➤ moved to newtonsCradle example"),e.car=function(a,t,s,r,c){var h=d.nextGroup(!0),v=20,y=-s*.5+v,M=s*.5-v,g=0,m=l.create({label:"Car"}),w=n.rectangle(a,t,s,r,{collisionFilter:{group:h},chamfer:{radius:r*.5},density:2e-4}),p=n.circle(a+y,t+g,c,{collisionFilter:{group:h},friction:.8}),b=n.circle(a+M,t+g,c,{collisionFilter:{group:h},friction:.8}),P=o.create({bodyB:w,pointB:{x:y,y:g},bodyA:p,stiffness:1,length:0}),S=o.create({bodyB:w,pointB:{x:M,y:g},bodyA:b,stiffness:1,length:0});return l.addBody(m,w),l.addBody(m,p),l.addBody(m,b),l.addConstraint(m,P),l.addConstraint(m,S),m},f(e,"car","Composites.car ➤ moved to car example"),e.softBody=function(a,t,s,r,c,h,v,y,M,g){M=i.extend({inertia:1/0},M),g=i.extend({stiffness:.2,render:{type:"line",anchors:!1}},g);var m=e.stack(a,t,s,r,c,h,function(w,p){return n.circle(w,p,y,M)});return e.mesh(m,s,r,v,g),m.label="Soft Body",m},f(e,"softBody","Composites.softBody ➤ moved to softBody and cloth examples")})()}),(function(T,E,u){var e={};T.exports=e;var l=u(9),o=u(0),i=o.deprecated;(function(){e.create=function(d){var n={buckets:{},pairs:{},pairsList:[],bucketWidth:48,bucketHeight:48};return o.extend(n,d)},e.update=function(d,n,f,a){var t,s,r,c=f.world,h=d.buckets,v,y,M=!1;for(t=0;t<n.length;t++){var g=n[t];if(!(g.isSleeping&&!a)&&!(c.bounds&&(g.bounds.max.x<c.bounds.min.x||g.bounds.min.x>c.bounds.max.x||g.bounds.max.y<c.bounds.min.y||g.bounds.min.y>c.bounds.max.y))){var m=e._getRegion(d,g);

27if(!g.region||m.id!==g.region.id||a){(!g.region||a)&&(g.region=m);var w=e._regionUnion(m,g.region);for(s=w.startCol;s<=w.endCol;s++)for(r=w.startRow;r<=w.endRow;r++){y=e._getBucketId(s,r),v=h[y];var p=s>=m.startCol&&s<=m.endCol&&r>=m.startRow&&r<=m.endRow,b=s>=g.region.startCol&&s<=g.region.endCol&&r>=g.region.startRow&&r<=g.region.endRow;!p&&b&&b&&v&&e._bucketRemoveBody(d,v,g),(g.region===m||p&&!b||a)&&(v||(v=e._createBucket(h,y)),e._bucketAddBody(d,v,g))}g.region=m,M=!0}}}M&&(d.pairsList=e._createActivePairsList(d))},i(e,"update","Grid.update ➤ replaced by Matter.Detector"),e.clear=function(d){d.buckets={},d.pairs={},d.pairsList=[]},i(e,"clear","Grid.clear ➤ replaced by Matter.Detector"),e._regionUnion=function(d,n){var f=Math.min(d.startCol,n.startCol),a=Math.max(d.endCol,n.endCol),t=Math.min(d.startRow,n.startRow),s=Math.max(d.endRow,n.endRow);return e._createRegion(f,a,t,s)},e._getRegion=function(d,n){var f=n.bounds,a=Math.floor(f.min.x/d.bucketWidth),t=Math.floor(f.max.x/d.bucketWidth),s=Math.floor(f.min.y/d.bucketHeight),r=Math.floor(f.max.y/d.bucketHeight);return e._createRegion(a,t,s,r)},e._createRegion=function(d,n,f,a){return{id:d+","+n+","+f+","+a,startCol:d,endCol:n,startRow:f,endRow:a}},e._getBucketId=function(d,n){return"C"+d+"R"+n},e._createBucket=function(d,n){var f=d[n]=[];return f},e._bucketAddBody=function(d,n,f){var a=d.pairs,t=l.id,s=n.length,r;for(r=0;r<s;r++){var c=n[r];if(!(f.id===c.id||f.isStatic&&c.isStatic)){var h=t(f,c),v=a[h];v?v[2]+=1:a[h]=[f,c,1]}}n.push(f)},e._bucketRemoveBody=function(d,n,f){var a=d.pairs,t=l.id,s;n.splice(o.indexOf(n,f),1);var r=n.length;for(s=0;s<r;s++){var c=a[t(f,n[s])];c&&(c[2]-=1)}},e._createActivePairsList=function(d){var n,f=d.pairs,a=o.keys(f),t=a.length,s=[],r;for(r=0;r<t;r++)n=f[a[r]],n[2]>0?s.push(n):delete f[a[r]];return s}})()}),(function(T,E,u){var e={};T.exports=e;var l=u(3),o=u(7),i=u(14),d=u(5),n=u(13),f=u(10),a=u(6),t=u(0),s=u(1);(function(){e.create=function(r,c){var h=(r?r.mouse:null)||(c?c.mouse:null);h||(r&&r.render&&r.render.canvas?h=i.create(r.render.canvas):c&&c.element?h=i.create(c.element):(h=i.create(),t.warn("MouseConstraint.create: options.mouse was undefined, options.element was undefined, may not function as expected")));var v=f.create({label:"Mouse Constraint",pointA:h.position,pointB:{x:0,y:0},length:.01,stiffness:.1,angularStiffness:1,render:{strokeStyle:"#90EE90",lineWidth:3}}),y={type:"mouseConstraint",mouse:h,element:null,body:null,constraint:v,collisionFilter:{category:1,mask:4294967295,group:0}},M=t.extend(y,c);return d.on(r,"beforeUpdate",function(){var g=a.allBodies(r.world);e.update(M,g),e._triggerEvents(M)}),M},e.update=function(r,c){var h=r.mouse,v=r.constraint,y=r.body;if(h.button===0){if(v.bodyB)o.set(v.bodyB,!1),v.pointA=h.position;else for(var M=0;M<c.length;M++)if(y=c[M],s.contains(y.bounds,h.position)&&n.canCollide(y.collisionFilter,r.collisionFilter))for(var g=y.parts.length>1?1:0;g<y.parts.length;g++){var m=y.parts[g];if(l.contains(m.vertices,h.position)){v.pointA=h.position,v.bodyB=r.body=y,v.pointB={x:h.position.x-y.position.x,y:h.position.y-y.position.y},v.angleB=y.angle,o.set(y,!1),d.trigger(r,"startdrag",{mouse:h,body:y});break}}}else v.bodyB=r.body=null,v.pointB=null,y&&d.trigger(r,"enddrag",{mouse:h,body:y})},e._triggerEvents=function(r){var c=r.mouse,h=c.sourceEvents;h.mousemove&&d.trigger(r,"mousemove",{mouse:c}),h.mousedown&&d.trigger(r,"mousedown",{mouse:c}),h.mouseup&&d.trigger(r,"mouseup",{mouse:c}),i.clearSourceEvents(c)}})()}),(function(T,E,u){var e={};T.exports=e;var l=u(2),o=u(8),i=u(1),d=u(12),n=u(3);(function(){e.collides=function(f,a){for(var t=[],s=a.length,r=f.bounds,c=o.collides,h=i.overlaps,v=0;v<s;v++){var y=a[v],M=y.parts.length,g=M===1?0:1;if(h(y.bounds,r))for(var m=g;m<M;m++){var w=y.parts[m];if(h(w.bounds,r)){var p=c(w,f);if(p){t.push(p);break}}}}return t},e.ray=function(f,a,t,s){s=s||1e-100;for(var r=l.angle(a,t),c=l.magnitude(l.sub(a,t)),h=(t.x+a.x)*.5,v=(t.y+a.y)*.5,y=d.rectangle(h,v,c,s,{angle:r}),M=e.collides(y,f),g=0;g<M.length;g+=1){var m=M[g];m.body=m.bodyB=m.bodyA}return M}

27,e.region=function(f,a,t){for(var s=[],r=0;r<f.length;r++){var c=f[r],h=i.overlaps(c.bounds,a);(h&&!t||!h&&t)&&s.push(c)}return s},e.point=function(f,a){for(var t=[],s=0;s<f.length;s++){var r=f[s];if(i.contains(r.bounds,a))for(var c=r.parts.length===1?0:1;c<r.parts.length;c++){var h=r.parts[c];if(i.contains(h.bounds,a)&&n.contains(h.vertices,a)){t.push(r);break}}}return t}})()}),(function(T,E,u){var e={};T.exports=e;var l=u(4),o=u(0),i=u(6),d=u(1),n=u(5),f=u(2),a=u(14);(function(){var t,s;typeof window<"u"&&(t=window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.msRequestAnimationFrame||function(g){window.setTimeout(function(){g(o.now())},1e3/60)},s=window.cancelAnimationFrame||window.mozCancelAnimationFrame||window.webkitCancelAnimationFrame||window.msCancelAnimationFrame),e._goodFps=30,e._goodDelta=1e3/60,e.create=function(g){var m={engine:null,element:null,canvas:null,mouse:null,frameRequestId:null,timing:{historySize:60,delta:0,deltaHistory:[],lastTime:0,lastTimestamp:0,lastElapsed:0,timestampElapsed:0,timestampElapsedHistory:[],engineDeltaHistory:[],engineElapsedHistory:[],engineUpdatesHistory:[],elapsedHistory:[]},options:{width:800,height:600,pixelRatio:1,background:"#14151f",wireframeBackground:"#14151f",wireframeStrokeStyle:"#bbb",hasBounds:!!g.bounds,enabled:!0,wireframes:!0,showSleeping:!0,showDebug:!1,showStats:!1,showPerformance:!1,showBounds:!1,showVelocity:!1,showCollisions:!1,showSeparations:!1,showAxes:!1,showPositions:!1,showAngleIndicator:!1,showIds:!1,showVertexNumbers:!1,showConvexHulls:!1,showInternalEdges:!1,showMousePosition:!1}},w=o.extend(m,g);return w.canvas&&(w.canvas.width=w.options.width||w.canvas.width,w.canvas.height=w.options.height||w.canvas.height),w.mouse=g.mouse,w.engine=g.engine,w.canvas=w.canvas||h(w.options.width,w.options.height),w.context=w.canvas.getContext("2d"),w.textures={},w.bounds=w.bounds||{min:{x:0,y:0},max:{x:w.canvas.width,y:w.canvas.height}},w.controller=e,w.options.showBroadphase=!1,w.options.pixelRatio!==1&&e.setPixelRatio(w,w.options.pixelRatio),o.isElement(w.element)&&w.element.appendChild(w.canvas),w},e.run=function(g){(function m(w){g.frameRequestId=t(m),r(g,w),e.world(g,w),g.context.setTransform(g.options.pixelRatio,0,0,g.options.pixelRatio,0,0),(g.options.showStats||g.options.showDebug)&&e.stats(g,g.context,w),(g.options.showPerformance||g.options.showDebug)&&e.performance(g,g.context,w),g.context.setTransform(1,0,0,1,0,0)})()},e.stop=function(g){s(g.frameRequestId)},e.setPixelRatio=function(g,m){var w=g.options,p=g.canvas;m==="auto"&&(m=v(p)),w.pixelRatio=m,p.setAttribute("data-pixel-ratio",m),p.width=w.width*m,p.height=w.height*m,p.style.width=w.width+"px",p.style.height=w.height+"px"},e.setSize=function(g,m,w){g.options.width=m,g.options.height=w,g.bounds.max.x=g.bounds.min.x+m,g.bounds.max.y=g.bounds.min.y+w,g.options.pixelRatio!==1?e.setPixelRatio(g,g.options.pixelRatio):(g.canvas.width=m,g.canvas.height=w)},e.lookAt=function(g,m,w,p){p=typeof p<"u"?p:!0,m=o.isArray(m)?m:[m],w=w||{x:0,y:0};for(var b={min:{x:1/0,y:1/0},max:{x:-1/0,y:-1/0}},P=0;P<m.length;P+=1){var S=m[P],x=S.bounds?S.bounds.min:S.min||S.position||S,B=S.bounds?S.bounds.max:S.max||S.position||S;x&&B&&(x.x<b.min.x&&(b.min.x=x.x),B.x>b.max.x&&(b.max.x=B.x),x.y<b.min.y&&(b.min.y=x.y),B.y>b.max.y&&(b.max.y=B.y))}var I=b.max.x-b.min.x+2*w.x,F=b.max.y-b.min.y+2*w.y,N=g.canvas.height,k=g.canvas.width,H=k/N,V=I/F,j=1,U=1;V>H?U=V/H:j=H/V,g.options.hasBounds=!0,g.bounds.min.x=b.min.x,g.bounds.max.x=b.min.x+I*j,g.bounds.min.y=b.min.y,g.bounds.max.y=b.min.y+F*U,p&&(g.bounds.min.x+=I*.5-I*j*.5,g.bounds.max.x+=I*.5-I*j*.5,g.bounds.min.y+=F*.5-F*U*.5,g.bounds.max.y+=F*.5-F*U*.5),g.bounds.min.x-=w.x,g.bounds.max.x-=w.x,g.bounds.min.y-=w.y,g.bounds.max.y-=w.y,g.mouse&&(a.setScale(g.mouse,{x:(g.bounds.max.x-g.bounds.min.x)/g.canvas.width,y:(g.bounds.max.y-g.bounds.min.y)/g.canvas.height}),a.setOffset(g.mouse,g.bounds.min))},e.startViewTransform=function(g){var m=g.bounds.max.x-g.bounds.min.x,w=g.bounds.max.y-g.bounds.min.y,p=m/g.options.width,b=w/g.options.height;g.context.setTransform(g.options.pixelRatio/p,0,0,g.options.pixelRatio/b,0,0),g.context.translate(-g.bounds.min.x,-g.boun

27ds.min.y)},e.endViewTransform=function(g){g.context.setTransform(g.options.pixelRatio,0,0,g.options.pixelRatio,0,0)},e.world=function(g,m){var w=o.now(),p=g.engine,b=p.world,P=g.canvas,S=g.context,x=g.options,B=g.timing,I=i.allBodies(b),F=i.allConstraints(b),N=x.wireframes?x.wireframeBackground:x.background,k=[],H=[],V,j={timestamp:p.timing.timestamp};if(n.trigger(g,"beforeRender",j),g.currentBackground!==N&&M(g,N),S.globalCompositeOperation="source-in",S.fillStyle="transparent",S.fillRect(0,0,P.width,P.height),S.globalCompositeOperation="source-over",x.hasBounds){for(V=0;V<I.length;V++){var U=I[V];d.overlaps(U.bounds,g.bounds)&&k.push(U)}for(V=0;V<F.length;V++){var G=F[V],$=G.bodyA,oe=G.bodyB,_=G.pointA,z=G.pointB;$&&(_=f.add($.position,G.pointA)),oe&&(z=f.add(oe.position,G.pointB)),!(!_||!z)&&(d.contains(g.bounds,_)||d.contains(g.bounds,z))&&H.push(G)}e.startViewTransform(g),g.mouse&&(a.setScale(g.mouse,{x:(g.bounds.max.x-g.bounds.min.x)/g.options.width,y:(g.bounds.max.y-g.bounds.min.y)/g.options.height}),a.setOffset(g.mouse,g.bounds.min))}else 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k={Part:S,Body:P.length,Cons:i.allConstraints(b).length,Comp:i.allComposites(b).length,Pair:p.pairs.list.length};m.fillStyle="#0e0f19",m.fillRect(I,F,x*5.5,B),m.font="12px Arial",m.textBaseline="top",m.textAlign="right";for(var H in k){var V=k[H];m.fillStyle="#aaa",m.fillText(H,I+x,F+8),m.fillStyle="#eee",m.fillText(V,I+x,F+26),I+=x}},e.performance=function(g,m){var w=g.engine,p=g.timing,b=p.deltaHistory,P=p.elapsedHistory,S=p.timestampElapsedHistory,x=p.engineDeltaHistory,B=p.engineUpdatesHistory,I=p.engineElapsedHistory,F=w.timing.lastUpdatesPerFrame,N=w.timing.lastDelta,k=c(b),H=c(P),V=c(x),j=c(B),U=c(I),G=c(S),$=G/k||0,oe=Math.round(k/N),_=1e3/k||0,z=4,ee=12,K=60,le=34,te=10,ne=69;m.fillStyle="#0e0f19",m.fillRect(0,50,ee*5+K*6+22,le),e.status(m,te,ne,K,z,b.length,Math.round(_)+" fps",_/e._goodFps,function(Q){return b[Q]/k-1}),e.status(m,te+ee+K,ne,K,z,x.length,N.toFixed(2)+" dt",e._goodDelta/N,function(Q){return x[Q]/V-1}),e.status(m,te+(ee+K)*2,ne,K,z,B.length,F+" 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27document.body.style.msTouchAction=u(this,s)[s],u(this,n)[n].removeEventListener("MSPointerDown",this._onTouchStart,!0),u(this,n)[n].removeEventListener("MSPointerMove",this._onTouchMove,!0)),o.hasKeyDown&&u(this,d)[d].useKeyboard&&document.removeEventListener("keydown",this._onKeyDown)},c.on=function(h,v){u(this,f)[f].on(i,h,v);var y=u(this,f)[f].e;y&&y[i]&&y[i].length===1&&this._bind()},c.off=function(h,v){u(this,f)[f].off(i,h,v);var y=u(this,f)[f].e;(!y[i]||y[i].length<=0)&&this._unbind()},c.destroy=function(){u(this,f)[f].off(),this._unbind()},r})()})})(He)),He.exports}var en=_t();const tn=ut(en),C=Tt({active:!0,mode:"playground",contentFitRef:ye({current:null}),spawning:!1,empty:!1,spawnCount:0,persistentCount:0,selected:-1,maxShown:gt,canResize:!0,canSelect:!0,canUseWidgets:!0,maxTileSize:{width:vt,height:mt},arrangement:$e,overlapBoundaryScale:ht,tileBodies:ye([]),tileRefs:ye([]),engine:ye(O.Engine.create()),items:[],events:[],router:null,safezone:{left:0,right:0,bottom:0,top:0,get width(){return this.right-this.left},get height(){return this.bottom-this.top}},dragging:ye({body:[],bodyTimer:null,corner:null,maybeClicking:!1,down:!1,downDrag:!1,startPos:{x:0,y:0},currentPos:{x:0,y:0},previousPos:{x:0,y:0},endPos:{x:0,y:0},selecting:!1,selectionComposite:O.Composite.create(),selectionCompositeCornerBodies:[]})}),nn=(L,D,T)=>(T===void 0&&(T=1),L<D?D:L>T?T:L),J=L=>Math.round(L*1e3)/1e3,rn=L=>{var r,c;const D=((r=L.current)==null?void 0:r.getScale())||{x:1,y:1},T=((c=L.current)==null?void 0:c.getPosition())||{x:0,y:0},E=D.x/2,u=D.y/2,{x:e,y:l}={x:T.x-E,y:T.y-u},{x:o,y:i}={x:e-Z,y:l-Z},{x:d,y:n}={x:e+D.x+Z,y:l-Z},{x:f,y:a}={x:e+D.x+Z,y:l+D.y+Z},{x:t,y:s}={x:e-Z,y:l+D.y+Z};return{tlX:o,tlY:i,trX:d,trY:n,brX:f,brY:a,blX:t,blY:s}},pt=L=>{let D=1/0,T=1/0,E=-1/0,u=1/0,e=1/0,l=-1/0,o=-1/0,i=-1/0,d=!1;if(L.bodies.forEach(v=>{var p,b;const y=C.tileRefs.find(P=>{var S;return((S=P==null?void 0:P.ref)==null?void 0:S.getBody())===v});if(!y){d=!0;return}const M=((p=y.ref)==null?void 0:p.getPosition())||{x:0,y:0},g=((b=y.ref)==null?void 0:b.getScale())||{x:1,y:1},m=g.x/2,w=g.y/2;D=Math.min(D,M.x-m),T=Math.min(T,M.y-w),E=Math.max(E,M.x-m+g.x),u=Math.min(u,M.y-w),e=Math.min(e,M.x-m),l=Math.max(l,M.y-w+g.y),o=Math.max(o,M.x-m+g.x),i=Math.max(i,M.y-w+g.y)}),d||L.bodies.length===0)return{tlX:0,tlY:0,trX:1,trY:1,brX:1,brY:1,blX:0,blY:1};const{x:n,y:f}={x:D-Z,y:T-Z},{x:a,y:t}={x:E+Z,y:u-Z},{x:s,y:r}={x:e-Z,y:l+Z},{x:c,y:h}={x:o+Z,y:i+Z};return{tlX:n,tlY:f,trX:a,trY:t,brX:c,brY:h,blX:s,blY:r}},Qe=L=>{const D=C.engine.gravity;L.forEach(T=>{O.Body.applyForce(T,T.position,{x:-D.x*D.scale*T.mass,y:-D.y*D.scale*T.mass})})},sn=(L,D,T,E)=>{let u=L,e=D;const l=D/L,o=E/T;return l>o?(e=E,u=e/l):(u=T,e=u*l),{width:u,height:e}},ge=R.forwardRef((L,D)=>{D=D;const T=R.useRef(null),{tile:E,corner:u,visible:e,composite:l}=L,o=7,i=R.useRef(1),d=R.useRef({width:0,height:0}),n=R.useRef(O.Bodies.rectangle(0,0,o*3,o*3,{isSensor:!0,collisionFilter:{category:X.INTERACT,mask:X.MOUSE}})),f=R.useRef(!1);R.useImperativeHandle(D,()=>Object.assign(T.current,{updatePosition:a}),[]);const a=()=>{const{tlX:r,tlY:c,trX:h,trY:v,brX:y,brY:M,blX:g,blY:m}=E!=null&&E.current?rn(E):pt(C.dragging.selectionComposite);let w=0,p=0;switch(u){case"tl":w=r,p=c;break;case"tr":w=h,p=v;break;case"br":w=y,p=M;break;case"bl":w=g,p=m;break}const b=i.current,P=i.current;T.current&&(T.current.style.transform=`translate(${w-o/2}px, ${p-o/2}px) scale(${b}, ${P})`),d.current={width:h-r,height:m-c},O.Body.setPosition(n.current,{x:w,y:p})},t=()=>{n.current&&Qe([n.current])};R.useLayoutEffect(()=>(O.Events.on(C.engine,"beforeUpdate",t),l&&C.dragging.selectionCompositeCornerBodies.push(n.current),()=>{O.Events.off(C.engine,"beforeUpdate",t),l&&(C.dragging.selectionCompositeCornerBodies=C.dragging.selectionCompositeCornerBodies.filter(r=>r!==n.current)),O.World.remove(C.engine.world,[n.current],!0)}),[]),R.useEffect(()=>{e?O.World.add(C.engine.world,[n.current]):O.World.remove(C.engine.world,[n.current])},[e]);const s=(r,c)=>{r.startResize();const{startPos:h,currentPos:v}=C.dragging,y=v.x-h.x,{width:M,height:g}=r.getResizeDimensions(),w=(M+y*(u==="tl"||u==="bl"?-1:1))/M;r.setScale(M*w,g*w)};return Pe(()=>{var r,c;if(a(),C.dragging.corner===n.current){i.current=1.5,f.current=!0;

27const h=(r=E==null?void 0:E.current)==null?void 0:r.getBody();E&&h&&C.dragging.body.length===1?(C.dragging.bodyTimer&&clearTimeout(C.dragging.bodyTimer),C.dragging.body=[h],s(E.current)):C.dragging.body.length>1&&l&&C.tileRefs.filter(y=>{var M;return((M=y==null?void 0:y.ref)==null?void 0:M.getBody())&&C.dragging.selectionComposite.bodies.includes(y==null?void 0:y.ref.getBody())}).forEach(y=>{y.ref&&s(y.ref)})}else E&&f.current?((c=E.current)==null||c.endResize(),f.current=!1):!E&&f.current&&(C.tileRefs.filter(v=>{var y;return((y=v==null?void 0:v.ref)==null?void 0:y.getBody())&&C.dragging.selectionComposite.bodies.includes(v==null?void 0:v.ref.getBody())}).forEach(v=>{var y;(y=v.ref)==null||y.endResize()}),f.current=!1),i.current=1}),A.jsx("div",{ref:T,className:se("absolute left-0 top-0 bg-black opacity-0",u==="tl"?"cursor-nwse-resize":"",u==="tr"?"cursor-nesw-resize":"",u==="br"?"cursor-nwse-resize":"",u==="bl"?"cursor-nesw-resize":"",e?"pointer-events-auto":""),style:{width:`${o}px`,height:`${o}px`}})}),Fe=({className:L})=>A.jsx("div",{className:se("absolute w-5 h-5 cursor-move transform flex items-center justify-center",L),children:A.jsx("div",{className:"bg-black w-2 h-2"})}),xt=()=>A.jsxs("div",{className:"absolute top-0 left-0 w-full h-full border border-black",children:[A.jsx(Fe,{className:"top-0 left-0 -translate-x-1/2 -translate-y-1/2 cursor-nwse-resize"}),A.jsx(Fe,{className:"top-0 right-0 translate-x-1/2 -translate-y-1/2 cursor-nesw-resize"}),A.jsx(Fe,{className:"bottom-0 left-0 -translate-x-1/2 translate-y-1/2 cursor-nesw-resize"}),A.jsx(Fe,{className:"bottom-0 right-0 translate-x-1/2 translate-y-1/2 cursor-nwse-resize"})]}),on=()=>{const L=Ge(C),D=R.useRef(null),T=R.useRef(null),E=R.useRef(null),u=R.useRef(null),e=R.useRef(null),l=R.useRef(null),o=R.useRef(null),i=R.useRef(null),d=R.useRef(null),n=()=>{if(o.current){const h={x:C.dragging.startPos.x,y:C.dragging.startPos.y},v={x:C.dragging.currentPos.x,y:C.dragging.currentPos.y};o.current.style.transform=`translate(${Math.min(h.x,v.x)}px, ${Math.min(h.y,v.y)}px)`,o.current.style.width=`${Math.abs(h.x-v.x)}px`,o.current.style.height=`${Math.abs(h.y-v.y)}px`,C.dragging.selecting?o.current.style.display="block":o.current.style.display="none"}},f=()=>{if(C.dragging.body.length>1){const{tlX:h,tlY:v,trX:y,trY:M,brX:g,brY:m,blX:w,blY:p}=pt(C.dragging.selectionComposite);i.current&&(i.current.style.transform=`translate(${h}px, ${v}px)`,i.current.style.width=`${Math.abs(y-h)}px`,i.current.style.height=`${Math.abs(p-v)}px`,i.current.style.display="block"),d.current&&(d.current.style.display="block")}else i.current&&(i.current.style.display="none"),d.current&&(d.current.style.display="none")},a=h=>{if(!C.canSelect)return;const v=h.body,y=h.mouse,M=O.Query.point(C.tileBodies,y.position);if(C.dragging.selecting){C.dragging.bodyTimer&&clearTimeout(C.dragging.bodyTimer),C.dragging.corner=null,T.current.constraint.bodyB=null;return}let g=!1;if(C.dragging.body.length>0&&C.dragging.body.forEach(m=>{M.includes(m)&&(g=!0)}),C.dragging.body.length>1&&!g){if(!v.isSensor&&!C.dragging.corner){C.dragging.corner=null,T.current.constraint.bodyB=null;return}else if(v.isSensor&&!C.dragging.corner&&C.dragging.selectionCompositeCornerBodies.indexOf(v)>-1){C.dragging.corner=v;return}}if(!v.isSensor)C.dragging.corner||(C.dragging.bodyTimer&&clearTimeout(C.dragging.bodyTimer),C.dragging.bodyTimer=setTimeout(()=>{if(g)C.dragging.body.length>0&&(T.current.constraint.bodyB=C.dragging.body[0],T.current.constraint.pointB={x:y.position.x-C.dragging.body[0].position.x,y:y.position.y-C.dragging.body[0].position.y});else{if(C.tileRefs.length===0)return;const m=M.sort((w,p)=>{const b=C.tileRefs.find(S=>{var x;return((x=S==null?void 0:S.ref)==null?void 0:x.getBody())===w}),P=C.tileRefs.find(S=>{var x;return((x=S==null?void 0:S.ref)==null?void 0:x.getBody())===p});return((b==null?void 0:b.renderOrder)||0)-((P==null?void 0:P.renderOrder)||0)});C.dragging.body=[m[0]]}},50));else if(C.dragging.body.length<=1){if(!C.canResize)return;C.dragging.corner=v}},t=h=>{h.currentTarget,C.dragging.down=!0,C.dragging.startPos={x:D.current.position.x,y:D.current.position.y},C.dragging.currentPos={x:D.current.position.x,y:D.current.position.y},C.dragging.selecting=!1,C.dragging.downDrag=!1,C.dragging.maybeClicking=!h.shift

27Key;const v=O.Query.point(C.tileBodies,D.current.position);v.length>0&&(C.dragging.downDrag=!0),h.shiftKey&&v.length>0&&C.canSelect&&(C.dragging.body.push(...v),O.Composite.clear(C.dragging.selectionComposite,!0),O.Composite.add(C.dragging.selectionComposite,C.dragging.body))},s=h=>{const v=h.currentTarget;if(C.dragging.currentPos={x:D.current.position.x,y:D.current.position.y},Math.sqrt((C.dragging.currentPos.x-C.dragging.startPos.x)**2+(C.dragging.currentPos.y-C.dragging.startPos.y)**2)>5&&C.dragging.down&&(C.dragging.maybeClicking=!1,v.setPointerCapture(h.pointerId)),C.dragging.down&&!C.dragging.downDrag&&!C.dragging.corner&&(Math.abs(C.dragging.currentPos.x-C.dragging.startPos.x)>1||Math.abs(C.dragging.currentPos.y-C.dragging.startPos.y)>1)&&C.canSelect&&(C.dragging.selecting=!0),C.dragging.selecting&&C.canSelect){const M=O.Query.region(C.tileBodies,{min:{x:Math.min(C.dragging.startPos.x,C.dragging.currentPos.x),y:Math.min(C.dragging.startPos.y,C.dragging.currentPos.y)},max:{x:Math.max(C.dragging.startPos.x,C.dragging.currentPos.x),y:Math.max(C.dragging.startPos.y,C.dragging.currentPos.y)}}),m=[...new Set(M.map(w=>w.id))].map(w=>M.find(p=>p.id===w));C.dragging.body=m,O.Composite.clear(C.dragging.selectionComposite,!0),O.Composite.add(C.dragging.selectionComposite,m)}C.dragging.down&&!C.dragging.selecting&&C.dragging.body.length>1&&!C.dragging.corner&&C.canSelect&&O.Composite.translate(C.dragging.selectionComposite,{x:C.dragging.currentPos.x-C.dragging.previousPos.x,y:C.dragging.currentPos.y-C.dragging.previousPos.y}),C.dragging.previousPos={x:C.dragging.currentPos.x,y:C.dragging.currentPos.y}},r=h=>{var y;h.currentTarget.releasePointerCapture(h.pointerId),C.dragging.down=!1,C.dragging.endPos={x:D.current.position.x,y:D.current.position.y},C.dragging.corner=null,C.dragging.selecting=!1,C.dragging.downDrag=!1;let v=O.Query.point(C.tileBodies,D.current.position);if(C.dragging.maybeClicking&&(v=[],C.dragging.body=[]),Math.abs(C.dragging.currentPos.x-C.dragging.startPos.x)<5&&Math.abs(C.dragging.currentPos.y-C.dragging.startPos.y)<5){let M=!1;if(C.dragging.body.forEach(g=>{v.includes(g)&&(M=!0)}),!M){const g=v.sort((m,w)=>{const p=C.tileRefs.find(P=>{var S;return((S=P.ref)==null?void 0:S.getBody())===m}),b=C.tileRefs.find(P=>{var S;return((S=P.ref)==null?void 0:S.getBody())===w});return p.renderOrder-b.renderOrder});if(C.dragging.body=g.length>0?[g[0]]:v[0]?[v[0]]:[],C.dragging.body.length>0){const m=C.tileRefs.find(w=>{var p;return((p=w.ref)==null?void 0:p.getBody())===C.dragging.body[0]});(y=m==null?void 0:m.ref)==null||y.setAsSelected(!0)}}}setTimeout(()=>{C.dragging.maybeClicking=!1})},c=h=>{h.body;const v=h.mouse;C.dragging.down=!1,C.dragging.endPos={x:v.position.x,y:v.position.y}};return R.useEffect(()=>{const h=document.getElementById("background")||window.document.body;return D.current=O.Mouse.create(h),T.current=O.MouseConstraint.create(C.engine,{mouse:D.current,constraint:{stiffness:.9,render:{visible:!1}},collisionFilter:{category:X.MOUSE,mask:X.INTERACT}}),O.Events.on(T.current,"startdrag",a),h.addEventListener("pointerdown",t),h.addEventListener("pointermove",s),h.addEventListener("pointerup",r),h.addEventListener("pointercancel",r),O.Events.on(T.current,"enddrag",c),O.Composite.add(C.engine.world,T.current),D.current.element.removeEventListener("wheel",D.current.mousewheel),D.current.element.removeEventListener("DOMMouseScroll",D.current.mousewheel),()=>{D.current&&T.current&&(O.Events.off(T.current,"startdrag",a),O.Events.off(T.current,"enddrag",c),O.Composite.remove(C.engine.world,T.current),D.current=null,T.current=null),h.removeEventListener("pointerdown",t),h.removeEventListener("pointermove",s),h.removeEventListener("pointerup",r),h.removeEventListener("pointercancel",r)}},[]),R.useEffect(()=>{const 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