def test_shadow_03(self):
s = Edge(R3(0.0, 0.0, -1.0), R3(1.0, 1.0, -1.0))
f = Facet([
R3(0.0, 0.0, 0.0),
R3(2.0, 0.0, 0.0),
R3(2.0, 2.0, 0.0),
R3(0.0, 2.0, 0.0)
])
s.shadow(f)
assert len(s.gaps) == 0
def test_shadow_02(self):
s = Edge(R3(0.0, 0.0, 1.0), R3(1.0, 1.0, 1.0))
f = Facet([
R3(0.0, 0.0, 0.0),
R3(2.0, 0.0, 0.0),
R3(2.0, 2.0, 0.0),
R3(0.0, 2.0, 0.0)
])
s.shadow(f)
assert s.gaps[0].approx(Segment(0.0, 1.0))