def test_floating_volume_above_scene(self):
model = Model()
model.add_node(0, 0, 0)
model.add_node(0, 1, 0)
model.add_node(1, 1, 0)
model.add_node(1, 0, 0)
model.add_triangle(0, 1, 2)
model.add_triangle(1, 2, 3)
intersected_triangles = model.fresnel_zone_intersection(1, 1, Point3D(-0.5, 0, 2),
Point3D(0.5, 0, 1))
self.assertEqual(intersected_triangles, [])
def test_volume_inside_scene(self):
"""Simple test with a planar scene and a cube on top of it"""
# build a model with two triangles (z=0)
model = Model()
model.add_node(0, 0, 0)
model.add_node(0, 1, 0)
model.add_node(1, 1, 0)
model.add_node(1, 0, 0)
model.add_triangle(0, 1, 2)
model.add_triangle(1, 2, 3)
intersected_triangles = model.fresnel_zone_intersection(1, 1, Point3D(-0.5, 0, 0),
Point3D(0.5, 0, 0))
self.assertEqual(intersected_triangles, [0, 1])
def test_volume_on_scene(self):
"""Simple test with a squared planar scene and a cube on top of it"""
model = Model()
model.add_node(0, 0, 0)
model.add_node(0, 1, 0)
model.add_node(1, 1, 0)
model.add_node(2, 1, 0)
model.add_node(1, 2, 0)
model.add_triangle(0, 1, 2)
model.add_triangle(2, 3, 4)
# It is on the first triangle but not on the second one
intersected_triangles = model.fresnel_zone_intersection(1, 1, Point3D(-0.5, 0, 0),
Point3D(0.5, 0, 0))
self.assertEqual(intersected_triangles, [0])