def __init__(self, name, norm=(1, 0, 0), d=1.0, plane=None, copy=False):
Primitive.__init__(self, name=name)
if plane is not None:
self.plane = plane
else:
self.plane = Plane(Vector(norm), d, copy=copy)
def plane_from_pointer(t):
normal = [t[x] for x in range(3)]
distance = t[3]
return Plane(normal, distance)
