This function takes 3 angles, a, b and c in radians as parameter
and returns a Curve transformation: a function that takes a Curve as argument
and returns a new Curve, which is the original Curve rotated
extrinsically with Euler angles (a, b, c) about x, y,
and z axes.
This function takes 3 angles, a, b and c in radians as parameter and returns a Curve transformation: a function that takes a Curve as argument and returns a new Curve, which is the original Curve rotated extrinsically with Euler angles (a, b, c) about x, y, and z axes.