100 lines
3.3 KiB
C++
100 lines
3.3 KiB
C++
/*
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---------------------------------------------------------------------------
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Open Asset Import Library (assimp)
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---------------------------------------------------------------------------
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Copyright (c) 2006-2020, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the following
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conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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---------------------------------------------------------------------------
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*/
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#include "UnitTestPCH.h"
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#include <iostream>
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using namespace ::Assimp;
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class utMatrix3x3Test : public ::testing::Test {
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// empty
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};
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TEST_F(utMatrix3x3Test, FromToMatrixTest) {
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aiVector3D res;
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aiMatrix3x3 trafo;
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const double PRECISION = 0.000001;
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// axes test
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aiVector3D axes[] = { aiVector3D(1, 0, 0), aiVector3D(0, 1, 0), aiVector3D(0, 0, 1) };
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for (int i = 0; i < 3; ++i) {
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for (int j = 0; j < 3; ++j) {
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aiMatrix3x3::FromToMatrix(axes[i], axes[j], trafo);
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res = trafo * axes[i];
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ASSERT_NEAR(axes[j].x, res.x, PRECISION);
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ASSERT_NEAR(axes[j].y, res.y, PRECISION);
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ASSERT_NEAR(axes[j].z, res.z, PRECISION);
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}
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}
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// random test
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const int NUM_SAMPLES = 10000;
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aiVector3D from, to;
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auto random_ratio = []() -> float {
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return static_cast<float>(rand()) / static_cast<float>(RAND_MAX);
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};
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for (int i = 0; i < NUM_SAMPLES; ++i) {
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from = aiVector3D(
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1.f * random_ratio(),
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1.f * random_ratio(),
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1.f * random_ratio())
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.Normalize();
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to = aiVector3D(
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1.f * random_ratio(),
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1.f * random_ratio(),
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1.f * random_ratio())
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.Normalize();
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aiMatrix3x3::FromToMatrix(from, to, trafo);
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res = trafo * from;
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ASSERT_NEAR(to.x, res.x, PRECISION);
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ASSERT_NEAR(to.y, res.y, PRECISION);
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ASSERT_NEAR(to.z, res.z, PRECISION);
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}
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}
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