def intersect_circle_line(self, direction, edge, start=None):
if start is None:
start = self.location
(ccp, cp, l) = intersect_circle_line(
padd(psub(start, self.location), self.center), self.axis,
self.distance_radius, self.distance_radiussq, direction, edge)
if ccp:
cl = padd(cp, psub(start, ccp))
return (cl, ccp, cp, l)
return (None, None, None, INFINITE)
def intersect_circle_line(self, direction, edge, start=None):
if start is None:
start = self.location
(ccp, cp, l) = intersect_circle_line(start, self.axis,
self.distance_majorradius, self.distance_majorradiussq,
direction, edge)
if ccp:
cl = cp.sub(ccp.sub(start))
return (cl, ccp, cp, l)
return (None, None, None, INFINITE)
def intersect_circle_line(self, direction, edge, start=None):
if start is None:
start = self.location
(ccp, cp, l) = intersect_circle_line(start, self.axis,
self.distance_majorradius, self.distance_majorradiussq,
direction, edge)
if ccp:
cl = psub(cp, psub(ccp, start))
return (cl, ccp, cp, l)
return (None, None, None, INFINITE)
def intersect_circle_line(self, direction, edge, start=None):
if start is None:
start = self.location
(ccp, cp, l) = intersect_circle_line(
start.sub(self.location).add(self.center), self.axis,
self.distance_radius, self.distance_radiussq, direction, edge)
if ccp:
cl = cp.add(start.sub(ccp))
return (cl, ccp, cp, l)
return (None, None, None, INFINITE)
