2d raycaster aabb demo

(()=>{var f=class{toString(){return`${this.constructor.name}(${this.toArray().join(", ")})`}};var e=class s extends f{constructor(t=0,i=0){super();this.x=t;this.y=i;this.x=t,this.y=i}static get UP(){return new s(0,-1)}static get DOWN(){return new s(0,1)}static get LEFT(){return new s(-1,0)}static get RIGHT(){return new s(1,0)}static get TOP_LEFT(){return new s(-1,1)}static get TOP_RIGHT(){return new s(1,1)}static get BOTTOM_LEFT(){return new s(-1,-1)}static get BOTTOM_RIGHT(){return new s(1,-1)}static get ZERO(){return new s(0,0)}absolute(){return this.x=Math.abs(this.x),this.y=Math.abs(this.y),this}add(t){return this.x+=t.x,this.y+=t.y,this}addScalar(t){return this.x+=t,this.y+=t,this}angle(t){return t===void 0?Math.atan2(this.y,this.x):Math.atan2(t.y-this.y,t.x-this.x)}aspect(){return this.x/this.y}centre(t){return t?(this.x=(this.x+t.x)/2,this.y=(this.y+t.y)/2,this):(this.x/=2,this.y/=2,this)}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this}clamp(t,i){return 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this.isNormalised()?i=this.dot(t):i=this.dot(t)/t.lengthSquared(),this.x-=t.x*i,this.y-=t.y*i,this}remainder(t){return this.x%=t.x,this.y%=t.y,this}rotate(t){let i=Math.cos(t),r=Math.sin(t),n=this.x,h=this.y;return this.x=n*i-h*r,this.y=n*r+h*i,this}rotateAround(t,i){let r=Math.cos(i),n=Math.sin(i),h=this.x-t.x,c=this.y-t.y;return this.x=h*r-c*n+t.x,this.y=h*n+c*r+t.y,this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}polar(t,i,r){return r===void 0&&(r=new s),r.x=t*Math.cos(i),r.y=t*Math.sin(i),this}scale(t){return this.x*=t,this.y*=t,this}set(t){return t instanceof s?(this.x=t.x,this.y=t.y):(this.x=t[0],this.y=t[1]),this}setScalar(t){return this.x=t,this.y=t,this}sign(){return this.x=Math.sign(this.x),this.y=Math.sign(this.y),this}slerp(t,i){let r=this.angle(t);return this.x=Math.cos(r)*i,this.y=Math.sin(r)*i,this}subtract(t){return this.x-=t.x,this.y-=t.y,this}substractScalar(t){return this.x-=t,this.y-=t,this}toArray(){return[this.x,this.y]}unit(){let t=this.length();return this.x/=t,this.y/=t,this}zero(){return this.x=0,this.y=0,this}*[Symbol.iterator](){yield this.x,yield this.y}};var p=class{toString(){return`${this.constructor.name}(${this.toArray().join(", ")})`}};var d=class s extends p{constructor(t=0,i=0,r=1,n=1){super();this.x=t;this.y=i;this.width=r;this.height=n;this.x=t,this.y=i,this.width=r,this.height=n}area(){return this.width*this.height}centre(t){return t?new e(this.x+this.width/2+(t.x+t.width/2),this.y+this.height/2+(t.y+t.height/2)):new e(this.x+this.width/2,this.y+this.height/2)}clone(){return new s(this.x,this.y,this.width,this.height)}combine(t){let i=Math.min(this.x,t.x),r=Math.min(this.y,t.y),n=Math.max(this.x+this.width,t.x+t.width)-i,h=Math.max(this.y+this.height,t.y+t.height)-r;return this.fromArray([i,r,n,h])}contains(t){return this.x<=t.x&&this.y<=t.y&&this.x+this.width>=t.x+t.width&&this.y+this.height>=t.y+t.height}copy(t){return this.x=t.x,this.y=t.y,this.width=t.width,this.height=t.height,this}difference(t){return this.fromArray([Math.min(this.x,t.x),Math.min(this.y,t.y),Math.max(this.x+this.width,t.x+t.width)-Math.min(this.x,t.x),Math.max(this.y+this.height,t.y+t.height)-Math.min(this.y,t.y)])}equals(t){return this.x===t.x&&this.y===t.y&&this.width===t.width&&this.height===t.height}fromArray(t){return this.x=t[0],this.y=t[1],this.width=t[2],this.height=t[3],this}intersect(t){let i=Math.max(this.x,t.x),r=Math.max(this.y,t.y),n=Math.min(this.x+this.width,t.x+t.width),h=Math.min(this.y+this.height,t.y+t.height),c=Math.max(0,n-i),u=Math.max(0,h-r);return this.fromArray([i,r,c,u])}intersects(t){return this.x<t.x+t.width&&this.x+this.width>t.x&&this.y<t.y+t.height&&this.y+this.height>t.y}perimeter(){return 2*(this.width+this.height)}toArray(){return[this.x,this.y,this.width,this.height]}};var A=class s extends d{constructor(t=new e,i=new 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i=Math.max(this.min.x,t.min.x),r=Math.max(this.min.y,t.min.y),n=Math.min(this.max.x,t.max.x)-i,h=Math.min(this.max.y,t.max.y)-r;return this.fromArray([i,r,n,h])}intersectBox(t){let i=Math.max(this.min.x,t.x),r=Math.max(this.min.y,t.y),n=Math.min(this.max.x,t.x+t.width)-i,h=Math.min(this.max.y,t.y+t.height)-r;return this.fromArray([i,r,n,h])}intersectCircle(t){let i=Math.max(this.min.x,t.x-t.radius),r=Math.max(this.min.y,t.y-t.radius),n=Math.min(this.max.x,t.x+t.radius)-i,h=Math.min(this.max.y,t.y+t.radius)-r;return this.fromArray([i,r,n,h])}intersects(t){return!(this.max.x<t.min.x||this.min.x>t.max.x||this.max.y<t.min.y||this.min.y>t.max.y)}intersectsBox(t){return!(this.max.x<t.x||this.min.x>t.x+t.width||this.max.y<t.y||this.min.y>t.y+t.height)}intersectsCircle(t){let i=Math.max(this.min.x-t.x,0,t.x-this.max.x),r=Math.max(this.min.y-t.y,0,t.y-this.max.y);return i**2+r**2<=t.radius**2}normal(t){return t?this.centre(t).normal(t.centre(this)):new 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