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107 lines
3.3 KiB
107 lines
3.3 KiB
/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net) |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// Created : 2011-05-25 |
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// Updated : 2011-05-31 |
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// Licence : This source is under MIT licence |
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// File : test/gtx/quaternion.cpp |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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#include <glm/glm.hpp> |
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#include <glm/gtx/quaternion.hpp> |
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#include <glm/gtx/epsilon.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(90.0f, 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(45.0f, glm::vec3(0, 0, 1)); |
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Error += glm::equalEpsilon(C.x, D.x, 0.01f) ? 0 : 1; |
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Error += glm::equalEpsilon(C.y, D.y, 0.01f) ? 0 : 1; |
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Error += glm::equalEpsilon(C.z, D.z, 0.01f) ? 0 : 1; |
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Error += glm::equalEpsilon(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(90.0f, 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(45.0f, glm::vec3(0, 0, 1)); |
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Error += glm::equalEpsilon(C.x, D.x, 0.01f) ? 0 : 1; |
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Error += glm::equalEpsilon(C.y, D.y, 0.01f) ? 0 : 1; |
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Error += glm::equalEpsilon(C.z, D.z, 0.01f) ? 0 : 1; |
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Error += glm::equalEpsilon(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_angleAxis() |
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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(90.0f, glm::vec3(0, 0, 1)); |
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glm::quat C = glm::mix(A, B, 0.5f); |
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glm::quat D = glm::angleAxis(45.0f, glm::vec3(0, 0, 1)); |
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Error += glm::equalEpsilon(C.x, D.x, 0.01f) ? 0 : 1; |
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Error += glm::equalEpsilon(C.y, D.y, 0.01f) ? 0 : 1; |
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Error += glm::equalEpsilon(C.z, D.z, 0.01f) ? 0 : 1; |
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Error += glm::equalEpsilon(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_angle() |
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{ |
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int Error = 0; |
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{ |
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glm::quat Q = glm::angleAxis(45.0f, glm::vec3(0, 0, 1)); |
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glm::quat N = glm::normalize(Q); |
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float L = glm::length(N); |
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Error += glm::equalEpsilon(L, 1.0f, 0.01f) ? 0 : 1; |
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float A = glm::angle(N); |
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Error += glm::equalEpsilon(A, 45.0f, 0.01f) ? 0 : 1; |
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} |
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{ |
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glm::quat Q = glm::angleAxis(45.0f, glm::normalize(glm::vec3(0, 1, 1))); |
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glm::quat N = glm::normalize(Q); |
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float L = glm::length(N); |
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Error += glm::equalEpsilon(L, 1.0f, 0.01f) ? 0 : 1; |
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float A = glm::angle(N); |
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Error += glm::equalEpsilon(A, 45.0f, 0.01f) ? 0 : 1; |
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} |
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{ |
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glm::quat Q = glm::angleAxis(45.0f, glm::normalize(glm::vec3(1, 2, 3))); |
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glm::quat N = glm::normalize(Q); |
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float L = glm::length(N); |
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Error += glm::equalEpsilon(L, 1.0f, 0.01f) ? 0 : 1; |
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float A = glm::angle(N); |
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Error += glm::equalEpsilon(A, 45.0f, 0.01f) ? 0 : 1; |
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} |
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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_quat_angle(); |
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Error += test_quat_angleAxis(); |
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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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