def intersect_torus_point(self, direction, point, start=None):
if start is None:
start = self.location
(ccp, cp, l) = intersect_torus_point(
padd(psub(start, self.location),
self.center), self.axis, self.distance_majorradius,
self.distance_minorradius, self.distance_majorradiussq,
self.distance_minorradiussq, direction, point)
if ccp:
cl = padd(point, psub(start, ccp))
return (cl, ccp, point, l)
return (None, None, None, INFINITE)
def intersect_torus_point(self, direction, point, start=None):
if start is None:
start = self.location
(ccp, cp, l) = intersect_torus_point(
padd(psub(start, self.location), self.center),
self.axis, self.distance_majorradius, self.distance_minorradius,
self.distance_majorradiussq, self.distance_minorradiussq,
direction, point)
if ccp:
cl = padd(point, psub(start, ccp))
return (cl, ccp, point, l)
return (None, None, None, INFINITE)