def test_intersections_2(self):
m = Mesh(trimesh.creation.icosphere())
position = (0, 0, 1)
direction = (0, 0, -1)
# Assert two intersection points
assert np.allclose(m.intersections(position, direction),
((0.0, 0.0, 1.0), (0.0, 0.0, -1.0)))
def test_far_point_arg_to_is_entering_raises(self):
m = Mesh(trimesh.creation.icosphere())
position = (0, 0, -1.1)
direction = (0, 0, -1) # travelling away
try:
m.is_entering(position, direction)
except GeometryError:
assert True
else:
assert False, "Expected GeometryError to be raised."
def test_interior_point_arg_to_is_entering_raises(self):
m = Mesh(trimesh.creation.icosphere())
position = (0, 0, -0.9)
direction = (0, 0, -1)
try:
m.is_entering(position, direction)
except GeometryError:
# Raises because point is not on surface
assert True
else:
assert False, "Expected GeometryError to be raised."
def test_surface_point_is_exiting_2(self):
m = Mesh(trimesh.creation.icosphere())
position = (0, 0, -1)
direction = (0, 0, -1)
# Assert surface point is entering
assert m.is_entering(position, direction) == False
def test_init(self):
assert type(Mesh(trimesh.creation.icosphere())) == Mesh
def test_on_surface(self):
m = Mesh(trimesh.creation.icosphere())
position = (0, 0, 1.0)
# Assert not on surface
assert m.is_on_surface(position) == True
def test_interior_point_not_on_surface(self):
m = Mesh(trimesh.creation.icosphere())
position = (0, 0, 0.9)
# Assert not on surface
assert m.is_on_surface(position) == False
def test_surface_point_not_contained(self):
m = Mesh(trimesh.creation.icosphere())
position = (0, 0, 1.0)
# Assert not contained
assert m.contains(position) == False
def test_interior_point_contained(self):
m = Mesh(trimesh.creation.icosphere())
position = (0, 0, 0.9)
# Assert not contained
assert m.contains(position) == True
def test_intersection_5(self):
m = Mesh(trimesh.creation.icosphere())
position = (0, 0, -1.1)
direction = (0, 0, -1)
# Assert zero intersection points
assert len(m.intersections(position, direction)) == 0
def test_is_entering_2(self):
m = Mesh(trimesh.creation.icosphere())
position = (0, 0, -1.0)
direction = (0, 0, 1.0) # Travelling towards, is entering
assert m.is_entering(position, direction) == True
def test_is_entering_1(self):
m = Mesh(trimesh.creation.icosphere())
position = (0, 0, -1.0)
direction = (0, 0, -1) # Travelling away, not entering
assert m.is_entering(position, direction) == False