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Add test for matrix4::getRotationDegrees

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Lars Mueller 2025-01-15 18:18:54 +01:00 • committed by sfan5
parent 58ad604a4b
commit 0e86366324
1 changed files with 26 additions and 0 deletions
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26
src/unittest/test_irr_matrix4.cpp
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@ -2,6 +2,7 @@
// SPDX-License-Identifier: LGPL-2.1-or-later
#include "catch.h"
#include "catch_amalgamated.hpp"
#include "irrMath.h"
#include "matrix4.h"
#include "irr_v3d.h"
@ -83,4 +84,29 @@ SECTION("getScale") {
}
}
SECTION("getRotationDegrees") {
auto test_rotation_degrees = [](v3f deg) {
matrix4 S;
Catch::Generators::RandomFloatingGenerator<f32> gen(0.1f, 10, Catch::getSeed());
S.setScale({gen.get(), gen.get(), gen.get()});
matrix4 R;
R.setRotationDegrees(deg);
v3f rot = (R * S).getRotationDegrees();
matrix4 B;
B.setRotationDegrees(rot);
CHECK(matrix_equals(R, B));
};
SECTION("returns a rotation equivalent to the original rotation") {
test_rotation_degrees({100, 200, 300});
Catch::Generators::RandomFloatingGenerator<f32> gen(0, 360, Catch::getSeed());
for (int i = 0; i < 1000; ++i)
test_rotation_degrees(v3f{gen.get(), gen.get(), gen.get()});
for (f32 i = 0; i < 360; i += 90)
for (f32 j = 0; j < 360; j += 90)
for (f32 k = 0; k < 360; k += 90)
test_rotation_degrees({i, j, k});
}
}
}