From these two sets (source and target) of N and up vectors, in vex, how do I compute the Euler
angles to transform the source poly to the target? What I have doesn't seem to work:
matrix3 m1=ident(); matrix3 m2=ident(); m1=maketransform(vector(point(0,"N",0)),vector(point(0,"up",0))); // source poly m2=maketransform(vector(point(1,"N",0)),vector(point(1,"up",0))); // target poly vector4 orient1=quaternion(m1); vector4 orient2=quaternion(m2); vector rad=quaterniontoeuler(orient2-orient1,XFORM_XYZ); // convert to degrees etc