protot/tests/RenderModuleTests.cc

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