134 lines
3.6 KiB
C++
134 lines
3.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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/// OpenGL Mathematics (glm.g-truc.net)
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///
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/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
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/// Permission is hereby granted, free of charge, to any person obtaining a copy
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/// of this software and associated documentation files (the "Software"), to deal
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/// in the Software without restriction, including without limitation the rights
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/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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/// copies of the Software, and to permit persons to whom the Software is
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/// furnished to do so, subject to the following conditions:
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///
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/// The above copyright notice and this permission notice shall be included in
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/// all copies or substantial portions of the Software.
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///
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/// Restrictions:
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/// By making use of the Software for military purposes, you choose to make
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/// a Bunny unhappy.
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///
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/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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/// THE SOFTWARE.
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///
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/// @file test/gtx/gtx_quaternion.cpp
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/// @date 2011-05-25 / 2014-11-25
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/// @author Christophe Riccio
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///////////////////////////////////////////////////////////////////////////////////
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#include <glm/gtc/epsilon.hpp>
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#include <glm/gtc/type_ptr.hpp>
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#include <glm/gtc/matrix_transform.hpp>
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#include <glm/gtx/transform.hpp>
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#include <glm/gtx/quaternion.hpp>
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#include <glm/gtx/compatibility.hpp>
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#include <glm/ext.hpp>
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int test_quat_fastMix()
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{
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int Error = 0;
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glm::quat A = glm::angleAxis(0.0f, glm::vec3(0, 0, 1));
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glm::quat B = glm::angleAxis(glm::pi<float>() * 0.5f, glm::vec3(0, 0, 1));
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glm::quat C = glm::fastMix(A, B, 0.5f);
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glm::quat D = glm::angleAxis(glm::pi<float>() * 0.25f, glm::vec3(0, 0, 1));
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Error += glm::epsilonEqual(C.x, D.x, 0.01f) ? 0 : 1;
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Error += glm::epsilonEqual(C.y, D.y, 0.01f) ? 0 : 1;
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Error += glm::epsilonEqual(C.z, D.z, 0.01f) ? 0 : 1;
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Error += glm::epsilonEqual(C.w, D.w, 0.01f) ? 0 : 1;
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return Error;
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}
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int test_quat_shortMix()
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{
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int Error(0);
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glm::quat A = glm::angleAxis(0.0f, glm::vec3(0, 0, 1));
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glm::quat B = glm::angleAxis(glm::pi<float>() * 0.5f, glm::vec3(0, 0, 1));
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glm::quat C = glm::shortMix(A, B, 0.5f);
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glm::quat D = glm::angleAxis(glm::pi<float>() * 0.25f, glm::vec3(0, 0, 1));
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Error += glm::epsilonEqual(C.x, D.x, 0.01f) ? 0 : 1;
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Error += glm::epsilonEqual(C.y, D.y, 0.01f) ? 0 : 1;
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Error += glm::epsilonEqual(C.z, D.z, 0.01f) ? 0 : 1;
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Error += glm::epsilonEqual(C.w, D.w, 0.01f) ? 0 : 1;
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return Error;
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}
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int test_orientation()
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{
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int Error(0);
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{
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glm::quat q(1.0f, 0.0f, 0.0f, 1.0f);
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float p = glm::roll(q);
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}
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{
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glm::quat q(1.0f, 0.0f, 0.0f, 1.0f);
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float p = glm::pitch(q);
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}
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{
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glm::quat q(1.0f, 0.0f, 0.0f, 1.0f);
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float p = glm::yaw(q);
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}
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return Error;
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}
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int test_rotation()
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{
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int Error(0);
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glm::vec3 v(1, 0, 0);
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glm::vec3 u(0, 1, 0);
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glm::quat Rotation = glm::rotation(v, u);
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float Angle = glm::angle(Rotation);
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Error += glm::abs(Angle - glm::pi<float>() * 0.5f) < glm::epsilon<float>() ? 0 : 1;
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return Error;
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}
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int test_log()
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{
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int Error(0);
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glm::quat q;
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glm::quat p = glm::log(q);
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glm::quat r = glm::exp(p);
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return Error;
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}
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int main()
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{
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int Error(0);
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Error += test_log();
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Error += test_rotation();
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Error += test_quat_fastMix();
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Error += test_quat_shortMix();
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return Error;
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}
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