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Diffstat (limited to 'tests/core')
| -rw-r--r-- | tests/core/math/test_plane.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/tests/core/math/test_plane.h b/tests/core/math/test_plane.h new file mode 100644 index 0000000000..d81a5af1ce --- /dev/null +++ b/tests/core/math/test_plane.h @@ -0,0 +1,172 @@ +/*************************************************************************/ +/* test_plane.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#ifndef TEST_PLANE_H +#define TEST_PLANE_H + +#include "core/math/plane.h" + +#include "thirdparty/doctest/doctest.h" + +namespace TestPlane { + +// Plane + +TEST_CASE("[Plane] Constructor methods") { + const Plane plane = Plane(32, 22, 16, 3); + const Plane plane_vector = Plane(Vector3(32, 22, 16), 3); + const Plane plane_copy_plane = Plane(plane); + + CHECK_MESSAGE( + plane == plane_vector, + "Planes created with same values but different methods should be equal."); + + CHECK_MESSAGE( + plane == plane_copy_plane, + "Planes created with same values but different methods should be equal."); +} + +TEST_CASE("[Plane] Basic getters") { + const Plane plane = Plane(32, 22, 16, 3); + const Plane plane_normalized = Plane(32.0 / 42, 22.0 / 42, 16.0 / 42, 3.0 / 42); + + CHECK_MESSAGE( + plane.get_normal().is_equal_approx(Vector3(32, 22, 16)), + "get_normal() should return the expected value."); + + CHECK_MESSAGE( + plane.normalized().is_equal_approx(plane_normalized), + "normalized() should return a copy of the normalized value."); +} + +TEST_CASE("[Plane] Basic setters") { + Plane plane = Plane(32, 22, 16, 3); + plane.set_normal(Vector3(4, 2, 3)); + + CHECK_MESSAGE( + plane.is_equal_approx(Plane(4, 2, 3, 3)), + "set_normal() should result in the expected plane."); + + plane = Plane(32, 22, 16, 3); + plane.normalize(); + + CHECK_MESSAGE( + plane.is_equal_approx(Plane(32.0 / 42, 22.0 / 42, 16.0 / 42, 3.0 / 42)), + "normalize() should result in the expected plane."); +} + +TEST_CASE("[Plane] Plane-point operations") { + const Plane plane = Plane(32, 22, 16, 3); + const Plane y_facing_plane = Plane(0, 1, 0, 4); + + CHECK_MESSAGE( + plane.center().is_equal_approx(Vector3(32 * 3, 22 * 3, 16 * 3)), + "center() should return a vector pointing to the center of the plane."); + + CHECK_MESSAGE( + y_facing_plane.is_point_over(Vector3(0, 5, 0)), + "is_point_over() should return the expected result."); + + CHECK_MESSAGE( + y_facing_plane.get_any_perpendicular_normal().is_equal_approx(Vector3(1, 0, 0)), + "get_any_perpindicular_normal() should return the expected result."); + + // TODO distance_to() +} + +TEST_CASE("[Plane] Has point") { + const Plane x_facing_plane = Plane(1, 0, 0, 0); + const Plane y_facing_plane = Plane(0, 1, 0, 0); + const Plane z_facing_plane = Plane(0, 0, 1, 0); + + const Vector3 x_axis_point = Vector3(10, 0, 0); + const Vector3 y_axis_point = Vector3(0, 10, 0); + const Vector3 z_axis_point = Vector3(0, 0, 10); + + const Plane x_facing_plane_with_d_offset = Plane(1, 0, 0, 1); + const Vector3 y_axis_point_with_d_offset = Vector3(1, 10, 0); + + CHECK_MESSAGE( + x_facing_plane.has_point(y_axis_point), + "has_point() with contained Vector3 should return the expected result."); + CHECK_MESSAGE( + x_facing_plane.has_point(z_axis_point), + "has_point() with contained Vector3 should return the expected result."); + + CHECK_MESSAGE( + y_facing_plane.has_point(x_axis_point), + "has_point() with contained Vector3 should return the expected result."); + CHECK_MESSAGE( + y_facing_plane.has_point(z_axis_point), + "has_point() with contained Vector3 should return the expected result."); + + CHECK_MESSAGE( + z_facing_plane.has_point(y_axis_point), + "has_point() with contained Vector3 should return the expected result."); + CHECK_MESSAGE( + z_facing_plane.has_point(x_axis_point), + "has_point() with contained Vector3 should return the expected result."); + + CHECK_MESSAGE( + x_facing_plane_with_d_offset.has_point(y_axis_point_with_d_offset), + "has_point() with passed Vector3 should return the expected result."); +} + +TEST_CASE("[Plane] Intersection") { + const Plane x_facing_plane = Plane(1, 0, 0, 1); + const Plane y_facing_plane = Plane(0, 1, 0, 2); + const Plane z_facing_plane = Plane(0, 0, 1, 3); + + Vector3 vec_out; + + CHECK_MESSAGE( + x_facing_plane.intersect_3(y_facing_plane, z_facing_plane, &vec_out), + "intersect_3() should return the expected result."); + CHECK_MESSAGE( + vec_out.is_equal_approx(Vector3(1, 2, 3)), + "intersect_3() should modify vec_out to the expected result."); + + CHECK_MESSAGE( + x_facing_plane.intersects_ray(Vector3(0, 1, 1), Vector3(2, 0, 0), &vec_out), + "intersects_ray() should return the expected result."); + CHECK_MESSAGE( + vec_out.is_equal_approx(Vector3(1, 1, 1)), + "intersects_ray() should modify vec_out to the expected result."); + + CHECK_MESSAGE( + x_facing_plane.intersects_segment(Vector3(0, 1, 1), Vector3(2, 1, 1), &vec_out), + "intersects_segment() should return the expected result."); + CHECK_MESSAGE( + vec_out.is_equal_approx(Vector3(1, 1, 1)), + "intersects_segment() should modify vec_out to the expected result."); +} +} // namespace TestPlane + +#endif // TEST_PLANE_H |