def test_horizontal_Plane(self):
from lepton.domain import Plane
for Ny in (1, -1, 50, -50):
# Simple horizontal plane
plane = Plane((0, 0, 0), (0, Ny, 0))
self.assertEqual(plane.generate(), (0, 0, 0))
self.failUnless((0, 0, 0) in plane)
self.failIf((0, Ny, 0) in plane)
self.failUnless((0, -Ny, 0) in plane)
# Perpendicular intersection
p, N = plane.intersect((1, 1, 4), (1, -1, 4))
self.assertVector(p, (1, 0, 4))
self.assertVector(N, (0, 1, 0))
p, N = plane.intersect((-5, -2, 20), (-5, 5, 20))
self.assertVector(p, (-5, 0, 20))
self.assertVector(N, (0, -1, 0))
# Oblique intersection
plane = Plane((20, 5, 3000), (0, Ny, 0))
p, N = plane.intersect((0, 7, 0), (4, 3, -4))
self.assertVector(p, (2, 5, -2))
self.assertVector(N, (0, 1, -0))
# No intersection
self.assertEqual(plane.intersect((40, 8, 20), (40, 6, -4)),
(None, None))
self.assertEqual(plane.intersect((0, 0, 0), (3, 4, 10)),
(None, None))
# Line in plane
self.assertEqual(plane.intersect((-10, 5, 0), (3, 5, 10)),
(None, None))
def test_horizontal_Plane(self): from lepton.domain import Plane for Ny in (1, -1, 50, -50): # Simple horizontal plane plane = Plane((0,0,0), (0,Ny,0)) self.assertEqual(plane.generate(), (0,0,0)) self.failUnless((0,0,0) in plane) self.failIf((0, Ny, 0) in plane) self.failUnless((0, -Ny, 0) in plane) # Perpendicular intersection p, N = plane.intersect((1, 1, 4), (1, -1, 4)) self.assertVector(p, (1, 0, 4)) self.assertVector(N, (0, 1, 0)) p, N = plane.intersect((-5, -2, 20), (-5, 5, 20)) self.assertVector(p, (-5, 0, 20)) self.assertVector(N, (0, -1, 0)) # Oblique intersection plane = Plane((20,5,3000), (0,Ny,0)) p, N = plane.intersect((0, 7, 0), (4, 3, -4)) self.assertVector(p, (2, 5, -2)) self.assertVector(N, (0, 1, -0)) # No intersection self.assertEqual( plane.intersect((40, 8, 20), (40, 6, -4)), (None, None)) self.assertEqual( plane.intersect((0, 0, 0), (3, 4, 10)), (None, None)) # Line in plane self.assertEqual( plane.intersect((-10, 5, 0), (3, 5, 10)), (None, None))
