e[0]=t,e[1]=n,e[2]=r,e},e.copy=function(t,n){return t[0]=n[0],t[1]=n[1],t[2]=n[2],t},e.set=function(t,n,r,a){return t[0]=n,t[1]=r,t[2]=a,t},e.add=function(t,n,r){return t[0]=n[0]+r[0],t[1]=n[1]+r[1],t[2]=n[2]+r[2],t},e.subtract=function(t,n,r){return t[0]=n[0]-r[0],t[1]=n[1]-r[1],t[2]=n[2]-r[2],t},e.sub=e.subtract,e.multiply=function(t,n,r){return t[0]=n[0]*r[0],t[1]=n[1]*r[1],t[2]=n[2]*r[2],t},e.mul=e.multiply,e.divide=function(t,n,r){return t[0]=n[0]/r[0],t[1]=n[1]/r[1],t[2]=n[2]/r[2],t},e.div=e.divide,e.min=f...