_a{addEventListener(t,e){if(this._listeners===void 0)this._listeners={};let n=this._listeners;if(n[t]===void 0)n[t]=[];if(n[t].indexOf(e)===-1)n[t].push(e)}hasEventListener(t,e){let n=this._listeners;if(n===void 0)return!1;return n[t]!==void 0&&n[t].indexOf(e)!==-1}removeEventListener(t,e){let n=this._listeners;if(n===void 0)return;let i=n[t];if(i!==void 0){let s=i.indexOf(e);if(s!==-1)i.splice(s,1)}}dispatchEvent(t){let e=this._listeners;if(e===void 0)return;let n=e[t.type];if(n!==void 0){t.target=this;let i=n.slice(0);for(let s=0,a=i.length;s>8&255]+wn[t>>16&255]+wn[t>>24&255]+"-"+wn[e&255]+wn[e>>8&255]+"-"+wn[e>>16&15|64]+wn[e>>24&255]+"-"+wn[n&63|128]+wn[n>>8&255]+"-"+wn[n>>16&255]+wn[n>>24&255]+wn[i&255]+wn[i>>8&255]+wn[i>>16&255]+wn[i>>24&255]).toLowerCase()}function ne(t,e,n){return Math.max(e,Math.min(n,t))}function gS(t,e){return(t%e+e)%e}function nm(t,e,n){return(1-n)*t+n*e}function Wi(t,e){switch(e.constructor){case Float32Array:return t;case Uint32Array:return t/4294967295;case Uint16Array:return t/65535;case Uint8Array:return t/255;case Int32Array:return Math.max(t/2147483647,-1);case Int16Array:return Math.max(t/32767,-1);case Int8Array:return Math.max(t/127,-1);default:throw Error("Invalid component type.")}}function De(t,e){switch(e.constructor){case Float32Array:return t;case Uint32Array:return Math.round(t*4294967295);case Uint16Array:return Math.round(t*65535);case Uint8Array:return Math.round(t*255);case Int32Array:return Math.round(t*2147483647);case Int16Array:return Math.round(t*32767);case Int8Array:return Math.round(t*127);default:throw Error("Invalid component type.")}}class Nt{constructor(t=0,e=0){Nt.prototype.isVector2=!0,this.x=t,this.y=e}get width(){return this.x}set width(t){this.x=t}get height(){return this.y}set height(t){this.y=t}set(t,e){return this.x=t,this.y=e,this}setScalar(t){return this.x=t,this.y=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;default:throw Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;default:throw Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y)}copy(t){return this.x=t.x,this.y=t.y,this}add(t){return this.x+=t.x,this.y+=t.y,this}addScalar(t){return this.x+=t,this.y+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this}subScalar(t){return this.x-=t,this.y-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this}multiply(t){return this.x*=t.x,this.y*=t.y,this}multiplyScalar(t){return this.x*=t,this.y*=t,this}divide(t){return this.x/=t.x,this.y/=t.y,this}divideScalar(t){return this.multiplyScalar(1/t)}applyMatrix3(t){let e=this.x,n=this.y,i=t.elements;return this.x=i[0]*e+i[3]*n+i[6],this.y=i[1]*e+i[4]*n+i[7],this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this}clamp(t,e){return this.x=ne(this.x,t.x,e.x),this.y=ne(this.y,t.y,e.y),this}clampScalar(t,e){return this.x=ne(this.x,t,e),this.y=ne(this.y,t,e),this}clampLength(t,e){let n=this.length();return this.divideScalar(n||1).multiplyScalar(ne(n,t,e))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this}ceil(){return this.x=Math.ceil(this.x),th