Quad.fromXYWH=function(x,y,w,h){const q=new Quad();vec2.set(q.p1,x,y);vec2.set(q.p2,x+w,y);vec2.set(q.p3,x+w,y+h);vec2.set(q.p4,x,y+h);return q;};Quad.fromRect=function(r){return new Quad.fromXYWH(r.x,r.y,r.width,r.height);};Quad.from4Vecs=function(p1,p2,p3,p4){const q=new Quad();vec2.set(q.p1,p1[0],p1[1]);vec2.set(q.p2,p2[0],p2[1]);vec2.set(q.p3,p3[0],p3[1]);vec2.set(q.p4,p4[0],p4[1]);return q;};Quad.from8Array=function(arr){if(arr.length!==8){throw new Error('Array...