import euclid

from euclid import *

from solid.utils import * # Only needed for EPSILON. Tacky.

# NOTE: The PyEuclid on PyPi doesn't include several elements added to

# the module as of 13 Feb 2013. Add them here until euclid supports them

def as_arr_local(self):

return [self.x, self.y, self.z]

def set_length_local(self, length):

d = self.magnitude()

if d:

factor = length / d

self.x *= factor

self.y *= factor

return self

def _intersect_line3_line3(A, B):

# Connect A & B

# If the length of the connecting segment is 0, they intersect

# at the endpoint(s) of the connecting segment

sol = euclid._connect_line3_line3(A, B)

# TODO: Ray3 and LineSegment3 would like to be able to know

# if their intersection points fall within the segment.

if sol.magnitude_squared() < EPSILON:

return sol.p

else:

return None

def run_patch():

if 'as_arr' not in dir(Vector3):

Vector3.as_arr = as_arr_local

if 'set_length' not in dir(Vector3):

Vector3.set_length = set_length_local

if '_intersect_line3' not in dir(Line3):

Line3._intersect_line3 = _intersect_line3_line3