Light
with default coefficients
ambient = {0,0,0,1}, diffuse = {1,1,1,1}, and specular = {1,1,1,1}
and a default name containing a unique trailing integer.Matrix3D
at the top of the stack to be the Identity
matrix, discarding the previous contents of the top of the stack.Matrix3D
at the top of the stack to be a copy of
the specified matrix, discarding the previous contents of the top of the stack.