Merge pull request #44492 from cabinboy1031/plane-test
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Rémi Verschelde
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2 changed files with 173 additions and 0 deletions
172
tests/core/math/test_plane.h
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tests/core/math/test_plane.h
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/*************************************************************************/
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/* test_plane.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef TEST_PLANE_H
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#define TEST_PLANE_H
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#include "core/math/plane.h"
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#include "thirdparty/doctest/doctest.h"
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namespace TestPlane {
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// Plane
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TEST_CASE("[Plane] Constructor methods") {
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const Plane plane = Plane(32, 22, 16, 3);
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const Plane plane_vector = Plane(Vector3(32, 22, 16), 3);
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const Plane plane_copy_plane = Plane(plane);
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CHECK_MESSAGE(
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plane == plane_vector,
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"Planes created with same values but different methods should be equal.");
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CHECK_MESSAGE(
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plane == plane_copy_plane,
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"Planes created with same values but different methods should be equal.");
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}
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TEST_CASE("[Plane] Basic getters") {
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const Plane plane = Plane(32, 22, 16, 3);
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const Plane plane_normalized = Plane(32.0 / 42, 22.0 / 42, 16.0 / 42, 3.0 / 42);
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CHECK_MESSAGE(
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plane.get_normal().is_equal_approx(Vector3(32, 22, 16)),
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"get_normal() should return the expected value.");
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CHECK_MESSAGE(
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plane.normalized().is_equal_approx(plane_normalized),
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"normalized() should return a copy of the normalized value.");
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}
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TEST_CASE("[Plane] Basic setters") {
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Plane plane = Plane(32, 22, 16, 3);
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plane.set_normal(Vector3(4, 2, 3));
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CHECK_MESSAGE(
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plane.is_equal_approx(Plane(4, 2, 3, 3)),
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"set_normal() should result in the expected plane.");
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plane = Plane(32, 22, 16, 3);
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plane.normalize();
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CHECK_MESSAGE(
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plane.is_equal_approx(Plane(32.0 / 42, 22.0 / 42, 16.0 / 42, 3.0 / 42)),
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"normalize() should result in the expected plane.");
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}
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TEST_CASE("[Plane] Plane-point operations") {
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const Plane plane = Plane(32, 22, 16, 3);
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const Plane y_facing_plane = Plane(0, 1, 0, 4);
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CHECK_MESSAGE(
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plane.center().is_equal_approx(Vector3(32 * 3, 22 * 3, 16 * 3)),
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"center() should return a vector pointing to the center of the plane.");
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CHECK_MESSAGE(
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y_facing_plane.is_point_over(Vector3(0, 5, 0)),
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"is_point_over() should return the expected result.");
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CHECK_MESSAGE(
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y_facing_plane.get_any_perpendicular_normal().is_equal_approx(Vector3(1, 0, 0)),
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"get_any_perpindicular_normal() should return the expected result.");
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// TODO distance_to()
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}
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TEST_CASE("[Plane] Has point") {
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const Plane x_facing_plane = Plane(1, 0, 0, 0);
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const Plane y_facing_plane = Plane(0, 1, 0, 0);
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const Plane z_facing_plane = Plane(0, 0, 1, 0);
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const Vector3 x_axis_point = Vector3(10, 0, 0);
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const Vector3 y_axis_point = Vector3(0, 10, 0);
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const Vector3 z_axis_point = Vector3(0, 0, 10);
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const Plane x_facing_plane_with_d_offset = Plane(1, 0, 0, 1);
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const Vector3 y_axis_point_with_d_offset = Vector3(1, 10, 0);
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CHECK_MESSAGE(
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x_facing_plane.has_point(y_axis_point),
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"has_point() with contained Vector3 should return the expected result.");
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CHECK_MESSAGE(
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x_facing_plane.has_point(z_axis_point),
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"has_point() with contained Vector3 should return the expected result.");
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CHECK_MESSAGE(
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y_facing_plane.has_point(x_axis_point),
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"has_point() with contained Vector3 should return the expected result.");
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CHECK_MESSAGE(
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y_facing_plane.has_point(z_axis_point),
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"has_point() with contained Vector3 should return the expected result.");
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CHECK_MESSAGE(
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z_facing_plane.has_point(y_axis_point),
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"has_point() with contained Vector3 should return the expected result.");
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CHECK_MESSAGE(
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z_facing_plane.has_point(x_axis_point),
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"has_point() with contained Vector3 should return the expected result.");
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CHECK_MESSAGE(
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x_facing_plane_with_d_offset.has_point(y_axis_point_with_d_offset),
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"has_point() with passed Vector3 should return the expected result.");
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}
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TEST_CASE("[Plane] Intersection") {
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const Plane x_facing_plane = Plane(1, 0, 0, 1);
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const Plane y_facing_plane = Plane(0, 1, 0, 2);
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const Plane z_facing_plane = Plane(0, 0, 1, 3);
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Vector3 vec_out;
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CHECK_MESSAGE(
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x_facing_plane.intersect_3(y_facing_plane, z_facing_plane, &vec_out),
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"intersect_3() should return the expected result.");
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CHECK_MESSAGE(
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vec_out.is_equal_approx(Vector3(1, 2, 3)),
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"intersect_3() should modify vec_out to the expected result.");
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CHECK_MESSAGE(
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x_facing_plane.intersects_ray(Vector3(0, 1, 1), Vector3(2, 0, 0), &vec_out),
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"intersects_ray() should return the expected result.");
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CHECK_MESSAGE(
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vec_out.is_equal_approx(Vector3(1, 1, 1)),
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"intersects_ray() should modify vec_out to the expected result.");
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CHECK_MESSAGE(
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x_facing_plane.intersects_segment(Vector3(0, 1, 1), Vector3(2, 1, 1), &vec_out),
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"intersects_segment() should return the expected result.");
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CHECK_MESSAGE(
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vec_out.is_equal_approx(Vector3(1, 1, 1)),
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"intersects_segment() should modify vec_out to the expected result.");
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}
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} // namespace TestPlane
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#endif // TEST_PLANE_H
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@ -45,6 +45,7 @@
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#include "tests/core/math/test_expression.h"
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#include "tests/core/math/test_geometry_2d.h"
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#include "tests/core/math/test_geometry_3d.h"
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#include "tests/core/math/test_plane.h"
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#include "tests/core/math/test_random_number_generator.h"
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#include "tests/core/math/test_rect2.h"
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#include "tests/core/math/test_rect2i.h"
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