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- import pytest
- from panda3d import core
- @pytest.mark.parametrize("type", (core.Mat4, core.Mat4D))
- def test_mat4_invert(type):
- mat = type((1, 0, 0, 0,
- 0, 1, 0, 0,
- 0, 0, 1, 0,
- 1, 2, 3, 1))
- inv = type()
- assert inv.invert_from(mat)
- assert inv == type(( 1, 0, 0, 0,
- 0, 1, 0, 0,
- 0, 0, 1, 0,
- -1, -2, -3, 1))
- assert (mat * inv).is_identity()
- assert (inv * mat).is_identity()
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