mirror of
https://github.com/Relintai/pandemonium_engine_minimal.git
synced 2024-11-17 22:17:19 +01:00
271 lines
7.7 KiB
C++
271 lines
7.7 KiB
C++
/*************************************************************************/
|
|
/* test_transform.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* PANDEMONIUM 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. */
|
|
/*************************************************************************/
|
|
|
|
#include "test_transform.h"
|
|
|
|
#include "core/math/random_number_generator.h"
|
|
#include "core/math/transform.h"
|
|
#include "core/math/vector3.h"
|
|
#include "core/os/os.h"
|
|
#include "core/string/ustring.h"
|
|
|
|
// #define PANDEMONIUM_TEST_TRANSFORM_NON_UNIFORM_SCALE_TESTS_ENABLED
|
|
|
|
namespace TestTransform {
|
|
|
|
bool test_plane() {
|
|
bool pass = true;
|
|
|
|
// test non-uniform scaling, forward and inverse
|
|
Transform tr;
|
|
tr.scale(Vector3(1, 2, 3));
|
|
|
|
Plane p(Vector3(1, 1, 1), Vector3(1, 1, 1).normalized());
|
|
|
|
Plane p2 = tr.xform(p);
|
|
Plane p3 = tr.xform_inv(p2);
|
|
|
|
if (!p3.normal.is_equal_approx(p.normal)) {
|
|
OS::get_singleton()->print("Fail due to Transform::xform(Plane)\n");
|
|
pass = false;
|
|
}
|
|
|
|
return pass;
|
|
}
|
|
|
|
bool test_aabb_regular() {
|
|
bool pass = true;
|
|
|
|
Transform tr;
|
|
tr.basis = Basis(Vector3(Math_PI, 0, 0));
|
|
tr.origin = Vector3(1, 2, 3);
|
|
|
|
AABB bb(Vector3(1, 1, 1), Vector3(2, 3, 4));
|
|
|
|
// Test forward xform.
|
|
AABB bb2 = tr.xform(bb);
|
|
AABB bb3 = tr.xform_inv(bb2);
|
|
|
|
if (!bb3.position.is_equal_approx(bb.position)) {
|
|
OS::get_singleton()->print("Fail due to Transform::xform_inv(AABB) position\n");
|
|
pass = false;
|
|
}
|
|
|
|
if (!bb3.size.is_equal_approx(bb.size)) {
|
|
OS::get_singleton()->print("Fail due to Transform::xform_inv(AABB) size\n");
|
|
pass = false;
|
|
}
|
|
|
|
if (!pass) {
|
|
String string = String("bb2 : ") + String(Variant(bb2));
|
|
OS::get_singleton()->print("\t%s\n", string.utf8().get_data());
|
|
string = String("bb3 : ") + String(Variant(bb3));
|
|
OS::get_singleton()->print("\t%s\n", string.utf8().get_data());
|
|
}
|
|
|
|
return pass;
|
|
}
|
|
|
|
bool test_aabb_non_uniform_scale() {
|
|
bool pass = true;
|
|
|
|
Transform tr;
|
|
tr.scale(Vector3(1, 2, 3));
|
|
|
|
AABB bb(Vector3(1, 1, 1), Vector3(2, 3, 4));
|
|
|
|
// Test forward xform.
|
|
AABB bb2 = tr.xform(bb);
|
|
|
|
if (!bb2.position.is_equal_approx(Vector3(1, 2, 3))) {
|
|
OS::get_singleton()->print("Fail with non-uniform scale due to Transform::xform(AABB) position\n");
|
|
pass = false;
|
|
}
|
|
|
|
if (!bb2.size.is_equal_approx(Vector3(2, 6, 12))) {
|
|
OS::get_singleton()->print("Fail with non-uniform scale due to Transform::xform(AABB) size\n");
|
|
pass = false;
|
|
}
|
|
|
|
// Now test inverse.
|
|
// This will fail if using the transpose and not the affine_inverse.
|
|
bb2.position = Vector3(1, 2, 3);
|
|
bb2.size = Vector3(2, 6, 12);
|
|
|
|
AABB bb3 = tr.xform_inv(bb2);
|
|
|
|
if (!bb3.position.is_equal_approx(bb.position)) {
|
|
OS::get_singleton()->print("Fail with non-uniform scale due to Transform::xform_inv(AABB) position\n");
|
|
pass = false;
|
|
}
|
|
|
|
if (!bb3.size.is_equal_approx(bb.size)) {
|
|
OS::get_singleton()->print("Fail with non-uniform scale due to Transform::xform_inv(AABB) size\n");
|
|
pass = false;
|
|
}
|
|
|
|
if (!pass) {
|
|
String string = String("bb2 : ") + String(Variant(bb2));
|
|
OS::get_singleton()->print("\t%s\n", string.utf8().get_data());
|
|
string = String("bb3 : ") + String(Variant(bb3));
|
|
OS::get_singleton()->print("\t%s\n", string.utf8().get_data());
|
|
}
|
|
|
|
return pass;
|
|
}
|
|
|
|
bool test_aabb() {
|
|
bool pass = true;
|
|
if (!test_aabb_regular()) {
|
|
pass = false;
|
|
}
|
|
|
|
#ifdef PANDEMONIUM_TEST_TRANSFORM_NON_UNIFORM_SCALE_TESTS_ENABLED
|
|
if (!test_aabb_non_uniform_scale()) {
|
|
pass = false;
|
|
}
|
|
#endif
|
|
|
|
return pass;
|
|
}
|
|
|
|
bool test_vector3_regular() {
|
|
bool pass = true;
|
|
|
|
Transform tr;
|
|
|
|
RandomNumberGenerator rng;
|
|
const real_t range = 1800.0;
|
|
const real_t range_rot = Math_PI;
|
|
|
|
bool passed_multi = true;
|
|
for (int n = 0; n < 1000; n++) {
|
|
Vector3 pt_test = Vector3(rng.randf_range(-range, range), rng.randf_range(-range, range), rng.randf_range(-range, range));
|
|
|
|
tr.origin = Vector3(rng.randf_range(-range, range), rng.randf_range(-range, range), rng.randf_range(-range, range));
|
|
tr.basis = Basis(Vector3(rng.randf_range(-range_rot, range_rot), rng.randf_range(-range_rot, range_rot), rng.randf_range(-range_rot, range_rot)));
|
|
|
|
Vector3 pt = tr.xform(pt_test);
|
|
pt = tr.xform_inv(pt);
|
|
|
|
if (!pt.is_equal_approx(pt_test, 0.1)) {
|
|
passed_multi = false;
|
|
}
|
|
}
|
|
if (!passed_multi) {
|
|
OS::get_singleton()->print("Failed multitest due to Transform::xform and xform_inv(Vector3)\n");
|
|
pass = false;
|
|
}
|
|
|
|
return pass;
|
|
}
|
|
|
|
bool test_vector3_non_uniform_scale() {
|
|
bool pass = true;
|
|
|
|
// Regular scale.
|
|
Transform tr;
|
|
tr.scale(Vector3(3, 3, 3));
|
|
Vector3 pt(1, 1, 1);
|
|
Vector3 res = tr.xform(pt);
|
|
|
|
if (!res.is_equal_approx(Vector3(3, 3, 3))) {
|
|
OS::get_singleton()->print("Fail with scale due to Transform::xform(Vector3)\n");
|
|
pass = false;
|
|
}
|
|
|
|
res = tr.xform_inv(res);
|
|
if (!res.is_equal_approx(pt)) {
|
|
OS::get_singleton()->print("Fail with scale due to Transform::xform_inv(Vector3)\n");
|
|
pass = false;
|
|
}
|
|
|
|
// Non uniform scale.
|
|
tr.scale(Vector3(1, 2, 3));
|
|
res = tr.xform(pt);
|
|
|
|
if (!res.is_equal_approx(Vector3(1, 2, 3))) {
|
|
OS::get_singleton()->print("Fail with non-uniform scale due to Transform::xform(Vector3)\n");
|
|
pass = false;
|
|
}
|
|
|
|
pt = Vector3(1, 2, 3);
|
|
res = tr.xform_inv(pt);
|
|
if (!res.is_equal_approx(Vector3(1, 1, 1))) {
|
|
OS::get_singleton()->print("Fail with non-uniform scale due to Transform::xform_inv(Vector3)\n");
|
|
pass = false;
|
|
}
|
|
|
|
return pass;
|
|
}
|
|
|
|
bool test_vector3() {
|
|
bool pass = true;
|
|
if (!test_vector3_regular()) {
|
|
pass = false;
|
|
}
|
|
|
|
#ifdef PANDEMONIUM_TEST_TRANSFORM_NON_UNIFORM_SCALE_TESTS_ENABLED
|
|
if (!test_vector3_non_uniform_scale()) {
|
|
pass = false;
|
|
}
|
|
#endif
|
|
|
|
return pass;
|
|
}
|
|
|
|
MainLoop *test() {
|
|
OS::get_singleton()->print("Start Transform checks.\n");
|
|
|
|
bool success = true;
|
|
|
|
if (!test_vector3()) {
|
|
success = false;
|
|
}
|
|
|
|
if (!test_plane()) {
|
|
success = false;
|
|
}
|
|
|
|
if (!test_aabb()) {
|
|
success = false;
|
|
}
|
|
|
|
if (success) {
|
|
OS::get_singleton()->print("Transform checks passed.\n");
|
|
} else {
|
|
OS::get_singleton()->print("Transform checks FAILED.\n");
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
} // namespace TestTransform
|