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# Copyright (c) 2022, Manfred Moitzi
# License: MIT License
import pytest
from ezdxf.math import intersection_line_polygon_3d, Vec3
@pytest.fixture(scope="module")
def polygon():
return Vec3.list([(-1, -1, 1), (1, -1, 1), (1, 1, 1), (-1, 1, 1)])
def test_polygon_with_invalid_normal():
polygon = Vec3.list([(0, 0, 0), (1, 0, 0), (2, 0, 0)])
ip = intersection_line_polygon_3d(Vec3(0, 0, 0), Vec3(0, 0, 5), polygon)
assert ip is None
def test_intersection_point_inside(polygon):
ip = intersection_line_polygon_3d(Vec3(0, 0, 0), Vec3(0, 0, 5), polygon)
assert ip.isclose((0, 0, 1))
def test_intersection_point_at_boundary_line(polygon):
ip = intersection_line_polygon_3d(
Vec3(1, 0, 0), Vec3(1, 0, 5), polygon, boundary=True
)
assert ip.isclose((1, 0, 1))
def test_ignore_intersection_point_at_boundary_line(polygon):
ip = intersection_line_polygon_3d(
Vec3(1, 0, 0), Vec3(1, 0, 5), polygon, boundary=False
)
assert ip is None
def test_ignore_coplanar_start_point_as_intersection_point(polygon):
ip = intersection_line_polygon_3d(
Vec3(0, 0, 1), Vec3(0, 0, 5), polygon, coplanar=False
)
assert ip is None
def test_ignore_coplanar_end_point_as_intersection_point(polygon):
ip = intersection_line_polygon_3d(
Vec3(0, 0, 0), Vec3(0, 0, 1), polygon, coplanar=False
)
assert ip is None
def test_intersection_point_outside():
polygon = Vec3.list([(-1, -1, 1), (1, -1, 1), (1, 1, 1), (-1, 1, 1)])
ip = intersection_line_polygon_3d(Vec3(2, 0, 0), Vec3(2, 0, 5), polygon)
assert ip is None
def test_ignore_coplanar_line(polygon):
ip = intersection_line_polygon_3d(Vec3(1, 0, 1), Vec3(2, 0, 1), polygon)
assert ip is None
if __name__ == "__main__":
pytest.main([__file__])
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