def test_get_triangles_return_fan_triangles(self):
model = Model(vertices=[
[0.0, 2.0, 2.0],
[0.0, 0.0, 0.0],
[2.0, 0.0, 0.0],
[2.0, 2.0, 0.0],
],
faces=[
[[1, 0, 0], [2, 0, 0], [3, 0, 0], [4, 0, 0]],
])
expected_triangles = [[
[0.0, 0.0, 0.0],
[0.0, 2.0, 2.0],
[0.0, 0.0, 0.0],
[2.0, 0.0, 0.0],
],
[
[0.0, 0.0, 0.0],
[0.0, 2.0, 2.0],
[2.0, 0.0, 0.0],
[2.0, 2.0, 0.0],
]]
triangles = model.get_triangles()
self.assertEqual(str(triangles), str(expected_triangles))
def test_get_triangles_return_trianlge_with_arg_normals(self):
model = Model(vertices=[
[0.0, 2.0, 2.0],
[0.0, 0.0, 0.0],
[2.0, 0.0, 0.0],
],
normals=[
[1.0, 2.0, 3.0],
[4.0, 5.0, 6.0],
],
faces=[
[[1, 0, 1], [2, 0, 2], [3, 0, 2]],
[[2, 0, 1], [1, 0, 1], [3, 0, 1]],
])
expected_triangles = [[
[3.0, 4.0, 5.0],
[0.0, 2.0, 2.0],
[0.0, 0.0, 0.0],
[2.0, 0.0, 0.0],
],
[
[1.0, 2.0, 3.0],
[0.0, 0.0, 0.0],
[0.0, 2.0, 2.0],
[2.0, 0.0, 0.0],
]]
triangles = model.get_triangles()
self.assertEqual(str(triangles), str(expected_triangles))