353 lines
9.9 KiB
C++
353 lines
9.9 KiB
C++
/*
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* This file is part of the Colobot: Gold Edition source code
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* Copyright (C) 2001-2014, Daniel Roux, EPSITEC SA & TerranovaTeam
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* http://epsiteс.ch; http://colobot.info; http://github.com/colobot
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see http://gnu.org/licenses
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*/
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/* Unit tests for functions in geometry.h */
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#include "math/func.h"
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#include "math/geometry.h"
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#include <gtest/gtest.h>
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const float TEST_TOLERANCE = 1e-5;
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// Test for rewritten function RotateAngle()
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TEST(GeometryTest, RotateAngleTest)
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{
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EXPECT_TRUE(Math::IsEqual(Math::RotateAngle(0.0f, 0.0f), 0.0f, TEST_TOLERANCE));
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EXPECT_TRUE(Math::IsEqual(Math::RotateAngle(1.0f, 0.0f), 0.0f, TEST_TOLERANCE));
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EXPECT_TRUE(Math::IsEqual(Math::RotateAngle(1.0f, 1.0f), 0.25f * Math::PI, TEST_TOLERANCE));
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EXPECT_TRUE(Math::IsEqual(Math::RotateAngle(0.0f, 2.0f), 0.5f * Math::PI, TEST_TOLERANCE));
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EXPECT_TRUE(Math::IsEqual(Math::RotateAngle(-0.5f, 0.5f), 0.75f * Math::PI, TEST_TOLERANCE));
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EXPECT_TRUE(Math::IsEqual(Math::RotateAngle(-1.0f, 0.0f), Math::PI, TEST_TOLERANCE));
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EXPECT_TRUE(Math::IsEqual(Math::RotateAngle(-1.0f, -1.0f), 1.25f * Math::PI, TEST_TOLERANCE));
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EXPECT_TRUE(Math::IsEqual(Math::RotateAngle(0.0f, -2.0f), 1.5f * Math::PI, TEST_TOLERANCE));
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EXPECT_TRUE(Math::IsEqual(Math::RotateAngle(1.0f, -1.0f), 1.75f * Math::PI, TEST_TOLERANCE));
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}
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// Tests for other altered, complex or uncertain functions
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/*
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TODO: write meaningful tests with proper test values
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int TestAngle()
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{
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const Math::Vector u(-0.0786076246943884, 0.2231249091714256, -1.1601361718477805);
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const Math::Vector v(-1.231228742001907, -1.720549809950561, -0.690468438834111);
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float mathResult = Math::Angle(u, v);
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float oldMathResult = Angle(VEC_TO_D3DVEC(u), VEC_TO_D3DVEC(v));
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if (! Math::IsEqual(mathResult, oldMathResult, TEST_TOLERANCE) )
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return __LINE__;
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return 0;
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}
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int TestRotateView()
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{
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const Math::Vector center(0.617909142705555, 0.896939729454538, -0.615041943652284);
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const float angleH = 44.5;
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const float angleV = 12.3;
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const float dist = 34.76;
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Math::Vector mathResult = Math::RotateView(center, angleH, angleV, dist);
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Math::Vector oldMathResult = D3DVEC_TO_VEC(RotateView(VEC_TO_D3DVEC(center), angleH, angleV, dist));
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if (! Math::VectorsEqual(mathResult, oldMathResult, TEST_TOLERANCE))
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return __LINE__;
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return 0;
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}
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int TestLookatPoint()
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{
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const Math::Vector eye(-2.451183170579471, 0.241270270546559, -0.490677411454893);
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const float angleH = 48.4;
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const float angleV = 32.4;
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const float length = 74.44;
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Math::Vector mathResult = Math::LookatPoint(eye, angleH, angleV, length);
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Math::Vector oldMathResult = D3DVEC_TO_VEC(LookatPoint(VEC_TO_D3DVEC(eye), angleH, angleV, length));
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if (! Math::VectorsEqual(mathResult, oldMathResult, TEST_TOLERANCE))
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return __LINE__;
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return 0;
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}
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int TestProjection()
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{
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const Math::Vector a(0.852064846846319, -0.794279497087496, -0.655779805476688);
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const Math::Vector b(-0.245838834102304, -0.841115596038861, 0.470457161487799);
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const Math::Vector p(2.289326061164255, -0.505511362271196, 0.660204551169491);
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Math::Vector mathResult = Math::Projection(a, b, p);
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Math::Vector oldMathResult = D3DVEC_TO_VEC(Projection(VEC_TO_D3DVEC(a), VEC_TO_D3DVEC(b), VEC_TO_D3DVEC(p)));
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if (! Math::VectorsEqual(mathResult, oldMathResult, TEST_TOLERANCE))
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return __LINE__;
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return 0;
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}
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int TestLoadViewMatrix()
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{
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const Math::Vector from(2.5646013154868874, -0.6058794133917031, -0.0441195127419744);
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const Math::Vector at(0.728044925765569, -0.206343977871841, 2.543158236935463);
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const Math::Vector worldUp(-1.893738133660711, -1.009584441407070, 0.521745988225582);
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Math::Matrix mathResult;
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Math::LoadViewMatrix(mathResult, from, at, worldUp);
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Math::Matrix oldMathResult;
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{
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D3DMATRIX mat;
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D3DVECTOR fromD3D = VEC_TO_D3DVEC(from);
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D3DVECTOR atD3D = VEC_TO_D3DVEC(at);
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D3DVECTOR worldUpD3D = VEC_TO_D3DVEC(worldUp);
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D3DUtil_SetViewMatrix(mat, fromD3D, atD3D, worldUpD3D);
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oldMathResult = D3DMAT_TO_MAT(mat);
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}
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if (! Math::MatricesEqual(mathResult, oldMathResult, TEST_TOLERANCE))
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return __LINE__;
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return 0;
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}
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int TestLoadProjectionMatrix()
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{
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const float fov = 76.3f;
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const float aspect = 0.891f;
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const float nearPlane = 12.3f;
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const float farPlane = 1238.9f;
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Math::Matrix mathResult;
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Math::LoadProjectionMatrix(mathResult, fov, aspect, nearPlane, farPlane);
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Math::Matrix oldMathResult;
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{
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D3DMATRIX mat;
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D3DUtil_SetProjectionMatrix(mat, fov, aspect, nearPlane, farPlane);
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oldMathResult = D3DMAT_TO_MAT(mat);
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}
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if (! Math::MatricesEqual(mathResult, oldMathResult, TEST_TOLERANCE))
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return __LINE__;
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return 0;
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}
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int TestLoadTranslationMatrix()
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{
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const Math::Vector translation(-0.3631590720995237, 1.6976327614875211, 0.0148815191502145);
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Math::Matrix mathResult;
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Math::LoadTranslationMatrix(mathResult, translation);
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Math::Matrix oldMathResult;
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{
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D3DMATRIX mat;
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D3DUtil_SetTranslateMatrix(mat, translation.x, translation.y, translation.z);
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oldMathResult = D3DMAT_TO_MAT(mat);
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}
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if (! Math::MatricesEqual(mathResult, oldMathResult, TEST_TOLERANCE))
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return __LINE__;
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return 0;
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}
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int TestLoadScaleMatrix()
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{
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const Math::Vector scale(0.612236460285503, -0.635566935025364, -0.254321375332065);
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Math::Matrix mathResult;
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Math::LoadScaleMatrix(mathResult, scale);
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Math::Matrix oldMathResult;
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{
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D3DMATRIX mat;
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D3DUtil_SetScaleMatrix(mat, scale.x, scale.y, scale.z);
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oldMathResult = D3DMAT_TO_MAT(mat);
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}
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if (! Math::MatricesEqual(mathResult, oldMathResult, TEST_TOLERANCE))
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return __LINE__;
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return 0;
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}
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int TestLoadRotationXMatrix()
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{
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const float angle = 0.513790685774275;
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Math::Matrix mathResult;
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Math::LoadRotationXMatrix(mathResult, angle);
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Math::Matrix oldMathResult;
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{
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D3DMATRIX mat;
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D3DUtil_SetRotateXMatrix(mat, angle);
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oldMathResult = D3DMAT_TO_MAT(mat);
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}
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if (! Math::MatricesEqual(mathResult, oldMathResult, TEST_TOLERANCE))
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return __LINE__;
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return 0;
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}
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int TestLoadRotationYMatrix()
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{
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const float angle = -0.569166650127303;
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Math::Matrix mathResult;
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Math::LoadRotationYMatrix(mathResult, angle);
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Math::Matrix oldMathResult;
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{
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D3DMATRIX mat;
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D3DUtil_SetRotateYMatrix(mat, angle);
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oldMathResult = D3DMAT_TO_MAT(mat);
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}
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if (! Math::MatricesEqual(mathResult, oldMathResult, TEST_TOLERANCE))
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return __LINE__;
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return 0;
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}
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int TestLoadRotationZMatrix()
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{
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const float angle = 0.380448034347452;
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Math::Matrix mathResult;
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Math::LoadRotationZMatrix(mathResult, angle);
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Math::Matrix oldMathResult;
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{
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D3DMATRIX mat;
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D3DUtil_SetRotateZMatrix(mat, angle);
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oldMathResult = D3DMAT_TO_MAT(mat);
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}
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if (! Math::MatricesEqual(mathResult, oldMathResult, TEST_TOLERANCE))
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return __LINE__;
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return 0;
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}
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int TestLoadRotationMatrix()
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{
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const float angle = -0.987747190637790;
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const Math::Vector dir(-0.113024727688331, -0.781265998072571, 1.838972397076884);
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Math::Matrix mathResult;
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Math::LoadRotationMatrix(mathResult, dir, angle);
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Math::Matrix oldMathResult;
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{
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D3DMATRIX mat;
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D3DVECTOR dirD3D = VEC_TO_D3DVEC(dir);
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D3DUtil_SetRotationMatrix(mat, dirD3D, angle);
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oldMathResult = D3DMAT_TO_MAT(mat);
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}
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if (! Math::MatricesEqual(mathResult, oldMathResult, TEST_TOLERANCE))
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return __LINE__;
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return 0;
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}
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int TestLoadRotationXZYMatrix()
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{
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const Math::Vector angles(-0.841366567984597, -0.100543315396357, 1.610647811559988);
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Math::Matrix mathResult;
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Math::LoadRotationXZYMatrix(mathResult, angles);
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Math::Matrix oldMathResult;
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{
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D3DMATRIX mat;
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MatRotateXZY(mat, VEC_TO_D3DVEC(angles));
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oldMathResult = D3DMAT_TO_MAT(mat);
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}
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if (! Math::MatricesEqual(mathResult, oldMathResult, TEST_TOLERANCE))
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return __LINE__;
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return 0;
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}
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int TestLoadRotationZXYMatrix()
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{
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const Math::Vector angles(0.275558495480206, -0.224328265970090, 0.943077216574253);
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Math::Matrix mathResult;
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Math::LoadRotationZXYMatrix(mathResult, angles);
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Math::Matrix oldMathResult;
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{
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D3DMATRIX mat;
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MatRotateZXY(mat, VEC_TO_D3DVEC(angles));
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oldMathResult = D3DMAT_TO_MAT(mat);
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}
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if (! Math::MatricesEqual(mathResult, oldMathResult, TEST_TOLERANCE))
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return __LINE__;
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return 0;
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}
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int TestTransform()
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{
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Math::Matrix transformMatrix(
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(float[4][4])
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{
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{ -0.9282074720977896, 0.6794734970319730, -1.3234304946882685, 0.0925294727863890 },
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{ -0.0395527963683484, 0.2897634352353881, 1.9144398570315440, -1.4062267508968478 },
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{ 0.9133323625282361, -0.6741836434774530, -0.2188812951424338, -1.0089184339952666 },
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{ 0.0f, 0.0f, 0.0f, 1.0f }
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}
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);
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Math::Vector vector(-0.314596433318370, -0.622681232583150, -0.371307535743574);
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Math::Vector mathResult = Math::Transform(transformMatrix, vector);
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Math::Vector oldMathResult = Transform(transformMatrix, vector);
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if (! Math::VectorsEqual(mathResult, oldMathResult, TEST_TOLERANCE))
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return __LINE__;
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return 0;
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}
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*/
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