# Create a 4x4 matrix (list) based on a 3x3 matrix (list) input
def mat44FromMat33(mat33):
return [mat33[0], mat33[1], mat33[2], 0.0,
mat33[3], mat33[4], mat33[5], 0.0,
mat33[6], mat33[7], mat33[8], 0.0,
# Create a 4x4 matrix (list) based on a 3x3 matrix (list) input
def mat44FromMat33(mat33):
return [mat33[0], mat33[1], mat33[2], 0.0,
mat33[3], mat33[4], mat33[5], 0.0,
mat33[6], mat33[7], mat33[8], 0.0,