#include <glm/gtc/epsilon.hpp> #include <glm/gtc/type_ptr.hpp> #include <glm/gtc/matrix_transform.hpp> #include <glm/gtx/transform.hpp> #include <glm/gtx/quaternion.hpp> #include <glm/gtx/compatibility.hpp> #include <glm/ext.hpp> int test_quat_fastMix() { int Error = 0; glm::quat A = glm::angleAxis(0.0f, glm::vec3(0, 0, 1)); glm::quat B = glm::angleAxis(glm::pi<float>() * 0.5f, glm::vec3(0, 0, 1)); glm::quat C = glm::fastMix(A, B, 0.5f); glm::quat D = glm::angleAxis(glm::pi<float>() * 0.25f, glm::vec3(0, 0, 1)); Error += glm::epsilonEqual(C.x, D.x, 0.01f) ? 0 : 1; Error += glm::epsilonEqual(C.y, D.y, 0.01f) ? 0 : 1; Error += glm::epsilonEqual(C.z, D.z, 0.01f) ? 0 : 1; Error += glm::epsilonEqual(C.w, D.w, 0.01f) ? 0 : 1; return Error; } int test_quat_shortMix() { int Error(0); glm::quat A = glm::angleAxis(0.0f, glm::vec3(0, 0, 1)); glm::quat B = glm::angleAxis(glm::pi<float>() * 0.5f, glm::vec3(0, 0, 1)); glm::quat C = glm::shortMix(A, B, 0.5f); glm::quat D = glm::angleAxis(glm::pi<float>() * 0.25f, glm::vec3(0, 0, 1)); Error += glm::epsilonEqual(C.x, D.x, 0.01f) ? 0 : 1; Error += glm::epsilonEqual(C.y, D.y, 0.01f) ? 0 : 1; Error += glm::epsilonEqual(C.z, D.z, 0.01f) ? 0 : 1; Error += glm::epsilonEqual(C.w, D.w, 0.01f) ? 0 : 1; return Error; } int test_orientation() { int Error(0); { glm::quat q(1.0f, 0.0f, 0.0f, 1.0f); float p = glm::roll(q); } { glm::quat q(1.0f, 0.0f, 0.0f, 1.0f); float p = glm::pitch(q); } { glm::quat q(1.0f, 0.0f, 0.0f, 1.0f); float p = glm::yaw(q); } return Error; } int test_rotation() { int Error(0); glm::vec3 v(1, 0, 0); glm::vec3 u(0, 1, 0); glm::quat Rotation = glm::rotation(v, u); float Angle = glm::angle(Rotation); Error += glm::abs(Angle - glm::pi<float>() * 0.5f) < glm::epsilon<float>() ? 0 : 1; return Error; } int test_log() { int Error(0); glm::quat q; glm::quat p = glm::log(q); glm::quat r = glm::exp(p); return Error; } int main() { int Error = 0; Error += test_log(); Error += test_rotation(); Error += test_quat_fastMix(); Error += test_quat_shortMix(); return Error; }