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486 lines
22 KiB
C++
486 lines
22 KiB
C++
/**************************************************************************/
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/* test_aabb.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) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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_AABB_H
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#define TEST_AABB_H
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#include "core/math/aabb.h"
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#include "tests/test_macros.h"
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namespace TestAABB {
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TEST_CASE("[AABB] Constructor methods") {
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const AABB aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6));
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const AABB aabb_copy = AABB(aabb);
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CHECK_MESSAGE(
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aabb == aabb_copy,
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"AABBs created with the same dimensions but by different methods should be equal.");
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}
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TEST_CASE("[AABB] String conversion") {
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CHECK_MESSAGE(
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String(AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6))) == "[P: (-1.5, 2, -2.5), S: (4, 5, 6)]",
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"The string representation should match the expected value.");
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}
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TEST_CASE("[AABB] Basic getters") {
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const AABB aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6));
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CHECK_MESSAGE(
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aabb.get_position().is_equal_approx(Vector3(-1.5, 2, -2.5)),
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"get_position() should return the expected value.");
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CHECK_MESSAGE(
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aabb.get_size().is_equal_approx(Vector3(4, 5, 6)),
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"get_size() should return the expected value.");
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CHECK_MESSAGE(
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aabb.get_end().is_equal_approx(Vector3(2.5, 7, 3.5)),
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"get_end() should return the expected value.");
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CHECK_MESSAGE(
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aabb.get_center().is_equal_approx(Vector3(0.5, 4.5, 0.5)),
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"get_center() should return the expected value.");
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}
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TEST_CASE("[AABB] Basic setters") {
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AABB aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6));
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aabb.set_end(Vector3(100, 0, 100));
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CHECK_MESSAGE(
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aabb.is_equal_approx(AABB(Vector3(-1.5, 2, -2.5), Vector3(101.5, -2, 102.5))),
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"set_end() should result in the expected AABB.");
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aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6));
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aabb.set_position(Vector3(-1000, -2000, -3000));
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CHECK_MESSAGE(
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aabb.is_equal_approx(AABB(Vector3(-1000, -2000, -3000), Vector3(4, 5, 6))),
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"set_position() should result in the expected AABB.");
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aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6));
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aabb.set_size(Vector3(0, 0, -50));
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CHECK_MESSAGE(
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aabb.is_equal_approx(AABB(Vector3(-1.5, 2, -2.5), Vector3(0, 0, -50))),
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"set_size() should result in the expected AABB.");
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}
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TEST_CASE("[AABB] Volume getters") {
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AABB aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6));
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CHECK_MESSAGE(
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aabb.get_volume() == doctest::Approx(120),
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"get_volume() should return the expected value with positive size.");
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CHECK_MESSAGE(
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aabb.has_volume(),
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"Non-empty volumetric AABB should have a volume.");
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aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(-4, 5, 6));
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CHECK_MESSAGE(
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aabb.get_volume() == doctest::Approx(-120),
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"get_volume() should return the expected value with negative size (1 component).");
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aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(-4, -5, 6));
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CHECK_MESSAGE(
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aabb.get_volume() == doctest::Approx(120),
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"get_volume() should return the expected value with negative size (2 components).");
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aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(-4, -5, -6));
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CHECK_MESSAGE(
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aabb.get_volume() == doctest::Approx(-120),
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"get_volume() should return the expected value with negative size (3 components).");
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aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 0, 6));
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CHECK_MESSAGE(
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!aabb.has_volume(),
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"Non-empty flat AABB should not have a volume.");
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CHECK_MESSAGE(
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!AABB().has_volume(),
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"Empty AABB should not have a volume.");
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}
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TEST_CASE("[AABB] Surface getters") {
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AABB aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6));
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CHECK_MESSAGE(
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aabb.has_surface(),
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"Non-empty volumetric AABB should have an surface.");
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aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 0, 6));
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CHECK_MESSAGE(
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aabb.has_surface(),
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"Non-empty flat AABB should have a surface.");
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aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 0, 0));
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CHECK_MESSAGE(
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aabb.has_surface(),
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"Non-empty linear AABB should have a surface.");
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CHECK_MESSAGE(
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!AABB().has_surface(),
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"Empty AABB should not have an surface.");
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}
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TEST_CASE("[AABB] Intersection") {
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const AABB aabb_big = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6));
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AABB aabb_small = AABB(Vector3(-1.5, 2, -2.5), Vector3(1, 1, 1));
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CHECK_MESSAGE(
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aabb_big.intersects(aabb_small),
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"intersects() with fully contained AABB (touching the edge) should return the expected result.");
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aabb_small = AABB(Vector3(0.5, 1.5, -2), Vector3(1, 1, 1));
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CHECK_MESSAGE(
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aabb_big.intersects(aabb_small),
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"intersects() with partially contained AABB (overflowing on Y axis) should return the expected result.");
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aabb_small = AABB(Vector3(10, -10, -10), Vector3(1, 1, 1));
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CHECK_MESSAGE(
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!aabb_big.intersects(aabb_small),
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"intersects() with non-contained AABB should return the expected result.");
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aabb_small = AABB(Vector3(-1.5, 2, -2.5), Vector3(1, 1, 1));
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CHECK_MESSAGE(
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aabb_big.intersection(aabb_small).is_equal_approx(aabb_small),
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"intersection() with fully contained AABB (touching the edge) should return the expected result.");
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aabb_small = AABB(Vector3(0.5, 1.5, -2), Vector3(1, 1, 1));
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CHECK_MESSAGE(
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aabb_big.intersection(aabb_small).is_equal_approx(AABB(Vector3(0.5, 2, -2), Vector3(1, 0.5, 1))),
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"intersection() with partially contained AABB (overflowing on Y axis) should return the expected result.");
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aabb_small = AABB(Vector3(10, -10, -10), Vector3(1, 1, 1));
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CHECK_MESSAGE(
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aabb_big.intersection(aabb_small).is_equal_approx(AABB()),
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"intersection() with non-contained AABB should return the expected result.");
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CHECK_MESSAGE(
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aabb_big.intersects_plane(Plane(Vector3(0, 1, 0), 4)),
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"intersects_plane() should return the expected result.");
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CHECK_MESSAGE(
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aabb_big.intersects_plane(Plane(Vector3(0, -1, 0), -4)),
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"intersects_plane() should return the expected result.");
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CHECK_MESSAGE(
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!aabb_big.intersects_plane(Plane(Vector3(0, 1, 0), 200)),
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"intersects_plane() should return the expected result.");
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CHECK_MESSAGE(
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aabb_big.intersects_segment(Vector3(1, 3, 0), Vector3(0, 3, 0)),
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"intersects_segment() should return the expected result.");
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CHECK_MESSAGE(
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aabb_big.intersects_segment(Vector3(0, 3, 0), Vector3(0, -300, 0)),
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"intersects_segment() should return the expected result.");
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CHECK_MESSAGE(
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aabb_big.intersects_segment(Vector3(-50, 3, -50), Vector3(50, 3, 50)),
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"intersects_segment() should return the expected result.");
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CHECK_MESSAGE(
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!aabb_big.intersects_segment(Vector3(-50, 25, -50), Vector3(50, 25, 50)),
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"intersects_segment() should return the expected result.");
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CHECK_MESSAGE(
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aabb_big.intersects_segment(Vector3(0, 3, 0), Vector3(0, 3, 0)),
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"intersects_segment() should return the expected result with segment of length 0.");
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CHECK_MESSAGE(
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!aabb_big.intersects_segment(Vector3(0, 300, 0), Vector3(0, 300, 0)),
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"intersects_segment() should return the expected result with segment of length 0.");
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CHECK_MESSAGE( // Simple ray intersection test.
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aabb_big.intersects_ray(Vector3(-100, 3, 0), Vector3(1, 0, 0)),
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"intersects_ray() should return true when ray points directly to AABB from outside.");
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CHECK_MESSAGE( // Ray parallel to an edge.
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!aabb_big.intersects_ray(Vector3(10, 10, 0), Vector3(0, 1, 0)),
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"intersects_ray() should return false for ray parallel and outside of AABB.");
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CHECK_MESSAGE( // Ray origin inside aabb.
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aabb_big.intersects_ray(Vector3(1, 1, 1), Vector3(0, 1, 0)),
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"intersects_ray() should return true for rays originating inside the AABB.");
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CHECK_MESSAGE( // Ray pointing away from aabb.
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!aabb_big.intersects_ray(Vector3(-10, 0, 0), Vector3(-1, 0, 0)),
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"intersects_ray() should return false when ray points away from AABB.");
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CHECK_MESSAGE( // Ray along a diagonal of aabb.
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aabb_big.intersects_ray(Vector3(0, 0, 0), Vector3(1, 1, 1)),
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"intersects_ray() should return true for rays along the AABB diagonal.");
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CHECK_MESSAGE( // Ray originating at aabb edge.
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aabb_big.intersects_ray(aabb_big.position, Vector3(-1, 0, 0)),
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"intersects_ray() should return true for rays starting on AABB's edge.");
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CHECK_MESSAGE( // Ray with zero direction inside.
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aabb_big.intersects_ray(Vector3(-1, 3, -2), Vector3(0, 0, 0)),
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"intersects_ray() should return true because its inside.");
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CHECK_MESSAGE( // Ray with zero direction outside.
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!aabb_big.intersects_ray(Vector3(-1000, 3, -2), Vector3(0, 0, 0)),
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"intersects_ray() should return false for being outside.");
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// Finding ray intersections.
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const AABB aabb_simple = AABB(Vector3(), Vector3(1, 1, 1));
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bool inside = false;
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Vector3 intersection_point;
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Vector3 intersection_normal;
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// Borders.
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aabb_simple.find_intersects_ray(Vector3(0.5, 0, 0.5), Vector3(0, 1, 0), inside, &intersection_point, &intersection_normal);
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CHECK_MESSAGE(inside == false, "find_intersects_ray() should return outside on borders.");
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CHECK_MESSAGE(intersection_point.is_equal_approx(Vector3(0.5, 0, 0.5)), "find_intersects_ray() border intersection point incorrect.");
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CHECK_MESSAGE(intersection_normal.is_equal_approx(Vector3(0, -1, 0)), "find_intersects_ray() border intersection normal incorrect.");
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aabb_simple.find_intersects_ray(Vector3(0.5, 1, 0.5), Vector3(0, -1, 0), inside, &intersection_point, &intersection_normal);
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CHECK_MESSAGE(inside == false, "find_intersects_ray() should return outside on borders.");
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CHECK_MESSAGE(intersection_point.is_equal_approx(Vector3(0.5, 1, 0.5)), "find_intersects_ray() border intersection point incorrect.");
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CHECK_MESSAGE(intersection_normal.is_equal_approx(Vector3(0, 1, 0)), "find_intersects_ray() border intersection normal incorrect.");
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// Inside.
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aabb_simple.find_intersects_ray(Vector3(0.5, 0.1, 0.5), Vector3(0, 1, 0), inside, &intersection_point, &intersection_normal);
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CHECK_MESSAGE(inside == true, "find_intersects_ray() should return inside when inside.");
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CHECK_MESSAGE(intersection_point.is_equal_approx(Vector3(0.5, 0, 0.5)), "find_intersects_ray() inside backtracking intersection point incorrect.");
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CHECK_MESSAGE(intersection_normal.is_equal_approx(Vector3(0, -1, 0)), "find_intersects_ray() inside intersection normal incorrect.");
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// Zero sized AABB.
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const AABB aabb_zero = AABB(Vector3(), Vector3(1, 0, 1));
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aabb_zero.find_intersects_ray(Vector3(0.5, 0, 0.5), Vector3(0, 1, 0), inside, &intersection_point, &intersection_normal);
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CHECK_MESSAGE(inside == false, "find_intersects_ray() should return outside on borders of zero sized AABB.");
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CHECK_MESSAGE(intersection_point.is_equal_approx(Vector3(0.5, 0, 0.5)), "find_intersects_ray() border intersection point incorrect for zero sized AABB.");
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CHECK_MESSAGE(intersection_normal.is_equal_approx(Vector3(0, -1, 0)), "find_intersects_ray() border intersection normal incorrect for zero sized AABB.");
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aabb_zero.find_intersects_ray(Vector3(0.5, 0, 0.5), Vector3(0, -1, 0), inside, &intersection_point, &intersection_normal);
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CHECK_MESSAGE(inside == false, "find_intersects_ray() should return outside on borders of zero sized AABB.");
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CHECK_MESSAGE(intersection_point.is_equal_approx(Vector3(0.5, 0, 0.5)), "find_intersects_ray() border intersection point incorrect for zero sized AABB.");
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CHECK_MESSAGE(intersection_normal.is_equal_approx(Vector3(0, 1, 0)), "find_intersects_ray() border intersection normal incorrect for zero sized AABB.");
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aabb_zero.find_intersects_ray(Vector3(0.5, -1, 0.5), Vector3(0, 1, 0), inside, &intersection_point, &intersection_normal);
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CHECK_MESSAGE(inside == false, "find_intersects_ray() should return outside on borders of zero sized AABB.");
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CHECK_MESSAGE(intersection_point.is_equal_approx(Vector3(0.5, 0, 0.5)), "find_intersects_ray() border intersection point incorrect for zero sized AABB.");
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CHECK_MESSAGE(intersection_normal.is_equal_approx(Vector3(0, -1, 0)), "find_intersects_ray() border intersection normal incorrect for zero sized AABB.");
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}
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TEST_CASE("[AABB] Merging") {
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const AABB aabb_big = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6));
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AABB aabb_small = AABB(Vector3(-1.5, 2, -2.5), Vector3(1, 1, 1));
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CHECK_MESSAGE(
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aabb_big.merge(aabb_small).is_equal_approx(aabb_big),
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"merge() with fully contained AABB (touching the edge) should return the expected result.");
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aabb_small = AABB(Vector3(0.5, 1.5, -2), Vector3(1, 1, 1));
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CHECK_MESSAGE(
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aabb_big.merge(aabb_small).is_equal_approx(AABB(Vector3(-1.5, 1.5, -2.5), Vector3(4, 5.5, 6))),
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"merge() with partially contained AABB (overflowing on Y axis) should return the expected result.");
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aabb_small = AABB(Vector3(10, -10, -10), Vector3(1, 1, 1));
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CHECK_MESSAGE(
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aabb_big.merge(aabb_small).is_equal_approx(AABB(Vector3(-1.5, -10, -10), Vector3(12.5, 17, 13.5))),
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"merge() with non-contained AABB should return the expected result.");
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}
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TEST_CASE("[AABB] Encloses") {
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const AABB aabb_big = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6));
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CHECK_MESSAGE(
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aabb_big.encloses(aabb_big),
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"encloses() with itself should return the expected result.");
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AABB aabb_small = AABB(Vector3(-1.5, 2, -2.5), Vector3(1, 1, 1));
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CHECK_MESSAGE(
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aabb_big.encloses(aabb_small),
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"encloses() with fully contained AABB (touching the edge) should return the expected result.");
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aabb_small = AABB(Vector3(1.5, 6, 2.5), Vector3(1, 1, 1));
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CHECK_MESSAGE(
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aabb_big.encloses(aabb_small),
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"encloses() with fully contained AABB (touching the edge) should return the expected result.");
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aabb_small = AABB(Vector3(0.5, 1.5, -2), Vector3(1, 1, 1));
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CHECK_MESSAGE(
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!aabb_big.encloses(aabb_small),
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"encloses() with partially contained AABB (overflowing on Y axis) should return the expected result.");
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aabb_small = AABB(Vector3(10, -10, -10), Vector3(1, 1, 1));
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CHECK_MESSAGE(
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!aabb_big.encloses(aabb_small),
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"encloses() with non-contained AABB should return the expected result.");
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}
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TEST_CASE("[AABB] Get endpoints") {
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const AABB aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6));
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CHECK_MESSAGE(
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aabb.get_endpoint(0).is_equal_approx(Vector3(-1.5, 2, -2.5)),
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"The endpoint at index 0 should match the expected value.");
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CHECK_MESSAGE(
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aabb.get_endpoint(1).is_equal_approx(Vector3(-1.5, 2, 3.5)),
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"The endpoint at index 1 should match the expected value.");
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CHECK_MESSAGE(
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aabb.get_endpoint(2).is_equal_approx(Vector3(-1.5, 7, -2.5)),
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"The endpoint at index 2 should match the expected value.");
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CHECK_MESSAGE(
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aabb.get_endpoint(3).is_equal_approx(Vector3(-1.5, 7, 3.5)),
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"The endpoint at index 3 should match the expected value.");
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CHECK_MESSAGE(
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aabb.get_endpoint(4).is_equal_approx(Vector3(2.5, 2, -2.5)),
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"The endpoint at index 4 should match the expected value.");
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CHECK_MESSAGE(
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aabb.get_endpoint(5).is_equal_approx(Vector3(2.5, 2, 3.5)),
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"The endpoint at index 5 should match the expected value.");
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CHECK_MESSAGE(
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aabb.get_endpoint(6).is_equal_approx(Vector3(2.5, 7, -2.5)),
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"The endpoint at index 6 should match the expected value.");
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CHECK_MESSAGE(
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aabb.get_endpoint(7).is_equal_approx(Vector3(2.5, 7, 3.5)),
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"The endpoint at index 7 should match the expected value.");
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ERR_PRINT_OFF;
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CHECK_MESSAGE(
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aabb.get_endpoint(8).is_equal_approx(Vector3()),
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"The endpoint at invalid index 8 should match the expected value.");
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CHECK_MESSAGE(
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aabb.get_endpoint(-1).is_equal_approx(Vector3()),
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"The endpoint at invalid index -1 should match the expected value.");
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ERR_PRINT_ON;
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}
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TEST_CASE("[AABB] Get longest/shortest axis") {
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const AABB aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6));
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CHECK_MESSAGE(
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aabb.get_longest_axis() == Vector3(0, 0, 1),
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"get_longest_axis() should return the expected value.");
|
|
CHECK_MESSAGE(
|
|
aabb.get_longest_axis_index() == Vector3::AXIS_Z,
|
|
"get_longest_axis_index() should return the expected value.");
|
|
CHECK_MESSAGE(
|
|
aabb.get_longest_axis_size() == 6,
|
|
"get_longest_axis_size() should return the expected value.");
|
|
|
|
CHECK_MESSAGE(
|
|
aabb.get_shortest_axis() == Vector3(1, 0, 0),
|
|
"get_shortest_axis() should return the expected value.");
|
|
CHECK_MESSAGE(
|
|
aabb.get_shortest_axis_index() == Vector3::AXIS_X,
|
|
"get_shortest_axis_index() should return the expected value.");
|
|
CHECK_MESSAGE(
|
|
aabb.get_shortest_axis_size() == 4,
|
|
"get_shortest_axis_size() should return the expected value.");
|
|
}
|
|
|
|
TEST_CASE("[AABB] Get support") {
|
|
const AABB aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6));
|
|
CHECK_MESSAGE(
|
|
aabb.get_support(Vector3(1, 0, 0)) == Vector3(2.5, 2, -2.5),
|
|
"get_support() should return the expected value.");
|
|
CHECK_MESSAGE(
|
|
aabb.get_support(Vector3(0.5, 1, 1)) == Vector3(2.5, 7, 3.5),
|
|
"get_support() should return the expected value.");
|
|
CHECK_MESSAGE(
|
|
aabb.get_support(Vector3(0.5, 1, -400)) == Vector3(2.5, 7, -2.5),
|
|
"get_support() should return the expected value.");
|
|
CHECK_MESSAGE(
|
|
aabb.get_support(Vector3(0, -1, 0)) == Vector3(-1.5, 2, -2.5),
|
|
"get_support() should return the expected value.");
|
|
CHECK_MESSAGE(
|
|
aabb.get_support(Vector3(0, -0.1, 0)) == Vector3(-1.5, 2, -2.5),
|
|
"get_support() should return the expected value.");
|
|
CHECK_MESSAGE(
|
|
aabb.get_support(Vector3()) == Vector3(-1.5, 2, -2.5),
|
|
"get_support() should return the AABB position when given a zero vector.");
|
|
}
|
|
|
|
TEST_CASE("[AABB] Grow") {
|
|
const AABB aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6));
|
|
CHECK_MESSAGE(
|
|
aabb.grow(0.25).is_equal_approx(AABB(Vector3(-1.75, 1.75, -2.75), Vector3(4.5, 5.5, 6.5))),
|
|
"grow() with positive value should return the expected AABB.");
|
|
CHECK_MESSAGE(
|
|
aabb.grow(-0.25).is_equal_approx(AABB(Vector3(-1.25, 2.25, -2.25), Vector3(3.5, 4.5, 5.5))),
|
|
"grow() with negative value should return the expected AABB.");
|
|
CHECK_MESSAGE(
|
|
aabb.grow(-10).is_equal_approx(AABB(Vector3(8.5, 12, 7.5), Vector3(-16, -15, -14))),
|
|
"grow() with large negative value should return the expected AABB.");
|
|
}
|
|
|
|
TEST_CASE("[AABB] Has point") {
|
|
const AABB aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6));
|
|
CHECK_MESSAGE(
|
|
aabb.has_point(Vector3(-1, 3, 0)),
|
|
"has_point() with contained point should return the expected value.");
|
|
CHECK_MESSAGE(
|
|
aabb.has_point(Vector3(2, 3, 0)),
|
|
"has_point() with contained point should return the expected value.");
|
|
CHECK_MESSAGE(
|
|
!aabb.has_point(Vector3(-20, 0, 0)),
|
|
"has_point() with non-contained point should return the expected value.");
|
|
|
|
CHECK_MESSAGE(
|
|
aabb.has_point(Vector3(-1.5, 3, 0)),
|
|
"has_point() with positive size should include point on near face (X axis).");
|
|
CHECK_MESSAGE(
|
|
aabb.has_point(Vector3(2.5, 3, 0)),
|
|
"has_point() with positive size should include point on far face (X axis).");
|
|
CHECK_MESSAGE(
|
|
aabb.has_point(Vector3(0, 2, 0)),
|
|
"has_point() with positive size should include point on near face (Y axis).");
|
|
CHECK_MESSAGE(
|
|
aabb.has_point(Vector3(0, 7, 0)),
|
|
"has_point() with positive size should include point on far face (Y axis).");
|
|
CHECK_MESSAGE(
|
|
aabb.has_point(Vector3(0, 3, -2.5)),
|
|
"has_point() with positive size should include point on near face (Z axis).");
|
|
CHECK_MESSAGE(
|
|
aabb.has_point(Vector3(0, 3, 3.5)),
|
|
"has_point() with positive size should include point on far face (Z axis).");
|
|
}
|
|
|
|
TEST_CASE("[AABB] Expanding") {
|
|
const AABB aabb = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6));
|
|
CHECK_MESSAGE(
|
|
aabb.expand(Vector3(-1, 3, 0)).is_equal_approx(aabb),
|
|
"expand() with contained point should return the expected AABB.");
|
|
CHECK_MESSAGE(
|
|
aabb.expand(Vector3(2, 3, 0)).is_equal_approx(aabb),
|
|
"expand() with contained point should return the expected AABB.");
|
|
CHECK_MESSAGE(
|
|
aabb.expand(Vector3(-1.5, 3, 0)).is_equal_approx(aabb),
|
|
"expand() with contained point on negative edge should return the expected AABB.");
|
|
CHECK_MESSAGE(
|
|
aabb.expand(Vector3(2.5, 3, 0)).is_equal_approx(aabb),
|
|
"expand() with contained point on positive edge should return the expected AABB.");
|
|
CHECK_MESSAGE(
|
|
aabb.expand(Vector3(-20, 0, 0)).is_equal_approx(AABB(Vector3(-20, 0, -2.5), Vector3(22.5, 7, 6))),
|
|
"expand() with non-contained point should return the expected AABB.");
|
|
}
|
|
|
|
TEST_CASE("[AABB] Finite number checks") {
|
|
const Vector3 x(0, 1, 2);
|
|
const Vector3 infinite(NAN, NAN, NAN);
|
|
|
|
CHECK_MESSAGE(
|
|
AABB(x, x).is_finite(),
|
|
"AABB with all components finite should be finite");
|
|
|
|
CHECK_FALSE_MESSAGE(
|
|
AABB(infinite, x).is_finite(),
|
|
"AABB with one component infinite should not be finite.");
|
|
CHECK_FALSE_MESSAGE(
|
|
AABB(x, infinite).is_finite(),
|
|
"AABB with one component infinite should not be finite.");
|
|
|
|
CHECK_FALSE_MESSAGE(
|
|
AABB(infinite, infinite).is_finite(),
|
|
"AABB with two components infinite should not be finite.");
|
|
}
|
|
|
|
} // namespace TestAABB
|
|
|
|
#endif // TEST_AABB_H
|