58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
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#include <iostream>
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#include "gtest/gtest.h"
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#include "TestUtils.h"
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#include "bx/fpumath.h"
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#include "src/math_types.h"
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#include "src/modules/RenderModule.h"
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using namespace std;
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TEST(Transform, FromMatrix) {
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Matrix44f matrix;
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Vector3f angles (0.1f, -0.2f, 0.3f);
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Quaternion rotation = Quaternion::fromEulerXYZ(angles);
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Vector3f translation (1.0f, 2.0f, 3.0f);
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Vector3f scale (0.3f, 10.f, 20.319f);
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bx::mtxSRT(matrix.data(),
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scale[0], scale[1], scale[2],
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angles[0], angles[1], angles[2],
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translation[0], translation[1], translation[2]
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);
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Transform transform;
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transform.fromMatrix(matrix);
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EXPECT_TRUE(MatrixClose(scale, transform.scale));
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EXPECT_TRUE(MatrixClose(translation, transform.translation));
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// We loose a lot of precision here and therefore accept a rather coarse
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// error.
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EXPECT_TRUE(MatrixClose(rotation, transform.rotation, 1.0e-1));
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};
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TEST(Transform, ToMatrix) {
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Matrix44f matrix;
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// transform data
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Vector3f angles (0.1f, -0.2f, 0.3f);
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Vector3f translation (1.0f, 2.0f, 3.0f);
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Vector3f scale (0.3f, 10.f, 20.319f);
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// compute matrix
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bx::mtxSRT(matrix.data(),
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scale[0], scale[1], scale[2],
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angles[0], angles[1], angles[2],
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translation[0], translation[1], translation[2]
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);
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// extract values from transfrom
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Transform transform;
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transform.fromMatrix(matrix);
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// and transform back to matrix
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Matrix44f result = transform.toMatrix();
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EXPECT_TRUE(MatrixClose(matrix, result));
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};
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