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125 lines
2.9 KiB
125 lines
2.9 KiB
#define GLM_ENABLE_EXPERIMENTAL |
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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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Error += glm::epsilonEqual(p, glm::pi<float>() * 0.5f, 0.0001f) ? 0 : 1; |
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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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Error += glm::epsilonEqual(p, 0.f, 0.0001f) ? 0 : 1; |
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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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Error += glm::epsilonEqual(p, 0.f, 0.0001f) ? 0 : 1; |
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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 test_quat_lookAt() |
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{ |
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int Error(0); |
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glm::vec3 eye(0.0f); |
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glm::vec3 center(1.1f, -2.0f, 3.1416f); |
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glm::vec3 up = glm::vec3(-0.17f, 7.23f, -1.744f); |
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glm::quat test_quat = glm::quatLookAt(center - eye, up); |
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glm::quat test_mat = glm::conjugate(glm::quat_cast(glm::lookAt(eye, center, up))); |
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Error += static_cast<int>(glm::abs(glm::length(test_quat) - 1.0f) > glm::epsilon<float>()); |
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Error += static_cast<int>(glm::min(glm::length(test_quat + (-test_mat)), glm::length(test_quat + test_mat)) > glm::epsilon<float>()); |
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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_orientation(); |
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Error += test_quat_fastMix(); |
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Error += test_quat_shortMix(); |
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Error += test_quat_lookAt(); |
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return Error; |
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}
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