public/lib/matter.min.js
分割 3 / 11 · 元ファイル 6〜6行付近
],p=t[l<t.length?l:t.length-1];if(0!==p){var f=i.normalise({x:u.y-c.y,y:c.x-u.x}),v=i.normalise({x:d.y-u.y,y:u.x-d.x}),m=Math.sqrt(2*Math.pow(p,2)),y=i.mult(r.clone(f),p),g=i.normalise(i.mult(i.add(f,v),.5)),x=i.sub(u,i.mult(g,m)),h=n;-1===n&&(h=1.75*Math.pow(p,.32)),(h=r.clamp(h,o,a))%2==1&&(h+=1);for(var b=Math.acos(i.dot(f,v))/h,S=0;S<h;S++)s.push(i.add(i.rotate(y,b*S),x))}else s.push(u)}return s},o.clockwiseSort=function(e){var t=o.mean(e);return e.sort((function(e,n){return i.angle(t,e)-i.angle(t,n)})),e},o.isConvex=function(e){var t,n,o,i,r=0,a=e.length;if(a<3)return null;for(t=0;t<a;t++)if(o=(t+2)%a,i=(e[n=(t+1)%a].x-e[t].x)*(e[o].y-e[n].y),(i-=(e[n].y-e[t].y)*(e[o].x-e[n].x))<0?r|=1:i>0&&(r|=2),3===r)return!1;return 0!==r||null},o.hull=function(e){var t,n,o=[],r=[];for((e=e.slice(0)).sort((function(e,t){var n=e.x-t.x;return 0!==n?n:e.y-t.y})),n=0;n<e.length;n+=1){for(t=e[n];r.length>=2&&i.cross3(r[r.length-2],r[r.length-1],t)<=0;)r.pop();r.push(t)}for(n=e.length-1;n>=0;n-=1){for(t=e[n];o.length>=2&&i.cross3(o[o.length-2],o[o.length-1],t)<=0;)o.pop();o.push(t)}return o.pop(),r.pop(),o.concat(r)}},function(e,t,n){var o={};e.exports=o;var i=n(3),r=n(2),a=n(7),s=n(0),l=n(1),c=n(11);!function(){o._timeCorrection=!0,o._inertiaScale=4,o._nextCollidingGroupId=1,o._nextNonCollidingGroupId=-1,o._nextCategory=1,o._baseDelta=1e3/60,o.create=function(t){var n={id:s.nextId(),type:"body",label:"Body",parts:[],plugin:{},angle:0,vertices:i.fromPath("L 0 0 L 40 0 L 40 40 L 0 40"),position:{x:0,y:0},force:{x:0,y:0},torque:0,positionImpulse:{x:0,y:0},constraintImpulse:{x:0,y:0,angle:0},totalContacts:0,speed:0,angularSpeed:0,velocity:{x:0,y:0},angularVelocity:0,isSensor:!1,isStatic:!1,isSleeping:!1,motion:0,sleepThreshold:60,density:.001,restitution:0,friction:.1,frictionStatic:.5,frictionAir:.01,collisionFilter:{category:1,mask:4294967295,group:0},slop:.05,timeScale:1,render:{visible:!0,opacity:1,strokeStyle:null,fillStyle:null,lineWidth:null,sprite:{xScale:1,yScale:1,xOffset:0,yOffset:0}},events:null,bounds:null,chamfer:null,circleRadius:0,positionPrev:null,anglePrev:0,parent:null,axes:null,area:0,mass:0,inertia:0,deltaTime:1e3/60,_original:null},o=s.extend(n,t);return e(o,t),o},o.nextGroup=function(e){return e?o._nextNonCollidingGroupId--:o._nextCollidingGroupId++},o.nextCategory=function(){return o._nextCategory=o._nextCategory<<1,o._nextCategory};var e=function(e,t){t=t||{},o.set(e,{bounds:e.bounds||l.create(e.vertices),positionPrev:e.positionPrev||r.clone(e.position),anglePrev:e.anglePrev||e.angle,vertices:e.vertices,parts:e.parts||[e],isStatic:e.isStatic,isSleeping:e.isSleeping,parent:e.parent||e}),i.rotate(e.vertices,e.angle,e.position),c.rotate(e.axes,e.angle),l.update(e.bounds,e.vertices,e.velocity),o.set(e,{axes:t.axes||e.axes,area:t.area||e.area,mass:t.mass||e.mass,inertia:t.inertia||e.inertia});var n=e.isStatic?"#14151f":s.choose(["#f19648","#f5d259","#f55a3c","#063e7b","#ececd1"]),a=e.isStatic?"#555":"#ccc",u=e.isStatic&&null===e.render.fillStyle?1:0;e.render.fillStyle=e.render.fillStyle||n,e.render.strokeStyle=e.render.strokeStyle||a,e.render.lineWidth=e.render.lineWidth||u,e.render.sprite.xOffset+=-(e.bounds.min.x-e.position.x)/(e.bounds.max.x-e.bounds.min.x),e.render.sprite.yOffset+=-(e.bounds.min.y-e.position.y)/(e.bounds.max.y-e.bounds.min.y)};o.set=function(e,t,n){var i;for(i in"string"==typeof t&&(i=t,(t={})[i]=n),t)if(Object.prototype.hasOwnProperty.call(t,i))switch(n=t[i],i){case"isStatic":o.setStatic(e,n);break;case"isSleeping":a.set(e,n);break;case"mass":o.setMass(e,n);break;case"density":o.setDensity(e,n);break;case"inertia":o.setInertia(e,n);break;case"vertices":o.setVertices(e,n);break;case"position":o.setPosition(e,n);break;case"angle":o.setAngle(e,n);break;case"velocity":o.setVelocity(e,n);break;case"angularVelocity":o.setAngularVelocity(e,n);break;case"speed":o.setSpeed(e,n);break;case"angularSpeed":o.setAngularSpeed(e,n);break;case"parts":o.setParts(e,n);break;case"centre":o.setCentre(e,n);break;default:e[i]=n}},o.setStatic=function(e,t){for(var n=0;n<e.parts.length;n++){var o=e.parts[n];t?(o.isStatic||(o._original={restitution:o.restitution,friction:o.friction,mass:o.mass,inertia:o.inertia,density:o.density,inverseMass:o.inverseMass,inverseInertia:o.inverseInertia}),o.restitution=0,o.friction=1,o.mass=o.inertia=o.density=1/0,o.inverseMass=o.inverseInertia=0,o.positionPrev.x=o.position.x,o.positionPrev.y=o.position.y,o.anglePrev=o.angle,o.angularVelocity=0,o.speed=0,o.angularSpeed=0,o.motion=0):o._original&&(o.restitution=o._original.restitution,o.friction=o._original.friction,o.mass=o._original.mass,o.inertia=o._original.inertia,o.density=o._original.density,o.inverseMass=o._original.inverseMass,o.inverseInertia=o._original.inverseInertia,o._original=null),o.isStatic=t}},o.setMass=function(e,t){var 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u=o._totalProperties(e);e.area=u.area,e.parent=e,e.position.x=u.centre.x,e.position.y=u.centre.y,e.positionPrev.x=u.centre.x,e.positionPrev.y=u.centre.y,o.setMass(e,u.mass),o.setInertia(e,u.inertia),o.setPosition(e,u.centre)}},o.setCentre=function(e,t,n){n?(e.positionPrev.x+=t.x,e.positionPrev.y+=t.y,e.position.x+=t.x,e.position.y+=t.y):(e.positionPrev.x=t.x-(e.position.x-e.positionPrev.x),e.positionPrev.y=t.y-(e.position.y-e.positionPrev.y),e.position.x=t.x,e.position.y=t.y)},o.setPosition=function(e,t,n){var o=r.sub(t,e.position);n?(e.positionPrev.x=e.position.x,e.positionPrev.y=e.position.y,e.velocity.x=o.x,e.velocity.y=o.y,e.speed=r.magnitude(o)):(e.positionPrev.x+=o.x,e.positionPrev.y+=o.y);for(var a=0;a<e.parts.length;a++){var s=e.parts[a];s.position.x+=o.x,s.position.y+=o.y,i.translate(s.vertices,o),l.update(s.bounds,s.vertices,e.velocity)}},o.setAngle=function(e,t,n){var o=t-e.angle;n?(e.anglePrev=e.angle,e.angularVelocity=o,e.angularSpeed=Math.abs(o)):e.anglePrev+=o;for(var a=0;a<e.parts.length;a++){var s=e.parts[a];s.angle+=o,i.rotate(s.vertices,o,e.position),c.rotate(s.axes,o),l.update(s.bounds,s.vertices,e.velocity),a>0&&r.rotateAbout(s.position,o,e.position,s.position)}},o.setVelocity=function(e,t){var n=e.deltaTime/o._baseDelta;e.positionPrev.x=e.position.x-t.x*n,e.positionPrev.y=e.position.y-t.y*n,e.velocity.x=(e.position.x-e.positionPrev.x)/n,e.velocity.y=(e.position.y-e.positionPrev.y)/n,e.speed=r.magnitude(e.velocity)},o.getVelocity=function(e){var t=o._baseDelta/e.deltaTime;return{x:(e.position.x-e.positionPrev.x)*t,y:(e.position.y-e.positionPrev.y)*t}},o.getSpeed=function(e){return r.magnitude(o.getVelocity(e))},o.setSpeed=function(e,t){o.setVelocity(e,r.mult(r.normalise(o.getVelocity(e)),t))},o.setAngularVelocity=function(e,t){var n=e.deltaTime/o._baseDelta;e.anglePrev=e.angle-t*n,e.angularVelocity=(e.angle-e.anglePrev)/n,e.angularSpeed=Math.abs(e.angularVelocity)},o.getAngularVelocity=function(e){return(e.angle-e.anglePrev)*o._baseDelta/e.deltaTime},o.getAngularSpeed=function(e){return Math.abs(o.getAngularVelocity(e))},o.setAngularSpeed=function(e,t){o.setAngularVelocity(e,s.sign(o.getAngularVelocity(e))*t)},o.translate=function(e,t,n){o.setPosition(e,r.add(e.position,t),n)},o.rotate=function(e,t,n,i){if(n){var r=Math.cos(t),a=Math.sin(t),s=e.position.x-n.x,l=e.position.y-n.y;o.setPosition(e,{x:n.x+(s*r-l*a),y:n.y+(s*a+l*r)},i),o.setAngle(e,e.angle+t,i)}else o.setAngle(e,e.angle+t,i)},o.scale=function(e,t,n,r){var a=0,s=0;r=r||e.position;for(var u=0;u<e.parts.length;u++){var d=e.parts[u];i.scale(d.vertices,t,n,r),d.axes=c.fromVertices(d.vertices),d.area=i.area(d.vertices),o.setMass(d,e.density*d.area),i.translate(d.vertices,{x:-d.position.x,y:-d.position.y}),o.setInertia(d,o._inertiaScale*i.inertia(d.vertices,d.mass)),i.translate(d.vertices,{x:d.position.x,y:d.position.y}),u>0&&(a+=d.area,s+=d.inertia),d.position.x=r.x+(d.position.x-r.x)*t,d.position.y=r.y+(d.position.y-r.y)*n,l.update(d.bounds,d.vertices,e.velocity)}e.parts.length>1&&(e.area=a,e.isStatic||(o.setMass(e,e.density*a),o.setInertia(e,s))),e.circleRadius&&(t===n?e.circleRadius*=t:e.circleRadius=null)},o.update=function(e,t){var n=(t=(void 0!==t?t:1e3/60)*e.timeScale)*