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# Copyright (c) 2015 Ultimaker B.V.
# Uranium is released under the terms of the LGPLv3 or higher.
from UM.Math.Vector import Vector
from UM.Math.Float import Float
class Plane:
"""Plane representation using normal and distance."""
def __init__(self, normal = Vector(), distance = 0.0):
super().__init__()
self._normal = normal
self._distance = distance
@property
def normal(self):
return self._normal
@property
def distance(self):
return self._distance
def intersectsRay(self, ray):
w = ray.origin - (self._normal * self._distance)
nDotR = self._normal.dot(ray.direction)
nDotW = -self._normal.dot(w)
if Float.fuzzyCompare(nDotR, 0.0):
return False
t = nDotW / nDotR
if t < 0:
return False
return t
def __repr__(self):
return "Plane(normal = {0}, distance = {1})".format(self._normal, self._distance)
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