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59 lines
1.3 KiB
59 lines
1.3 KiB
#define GLM_ENABLE_EXPERIMENTAL |
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#include <glm/gtc/quaternion.hpp> |
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#include <glm/gtx/matrix_interpolation.hpp> |
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#include <iostream> |
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static int test_axisAngle() |
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{ |
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int Error = 0; |
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glm::mat4 m1(-0.9946f, 0.0f, -0.104531f, 0.0f, |
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0.0f, 1.0f, 0.0f, 0.0f, |
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0.104531f, 0.0f, -0.9946f, 0.0f, |
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0.0f, 0.0f, 0.0f, 1.0f); |
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glm::mat4 m2(-0.992624f, 0.0f, -0.121874f, 0.0f, |
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0.0f, 1.0f, 0.0f, 0.0f, |
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0.121874f, 0.0f, -0.992624f, 0.0f, |
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0.0f, 0.0f, 0.0f, 1.0f); |
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glm::mat4 const m1rot = glm::extractMatrixRotation(m1); |
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glm::mat4 const dltRotation = m2 * glm::transpose(m1rot); |
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glm::vec3 dltAxis(0.0f); |
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float dltAngle = 0.0f; |
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glm::axisAngle(dltRotation, dltAxis, dltAngle); |
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std::cout << "dltAxis: (" << dltAxis.x << ", " << dltAxis.y << ", " << dltAxis.z << "), dltAngle: " << dltAngle << std::endl; |
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glm::quat q = glm::quat_cast(dltRotation); |
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std::cout << "q: (" << q.x << ", " << q.y << ", " << q.z << ", " << q.w << ")" << std::endl; |
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float yaw = glm::yaw(q); |
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std::cout << "Yaw: " << yaw << std::endl; |
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return Error; |
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} |
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static int test_rotate() |
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{ |
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glm::mat4 m2(1.0); |
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float myAngle = 1.0f; |
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m2 = glm::rotate(m2, myAngle, glm::vec3(1.0f, 0.0f, 0.0f)); |
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glm::vec3 m2Axis; |
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float m2Angle; |
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glm::axisAngle(m2, m2Axis, m2Angle); |
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return 0; |
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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_axisAngle(); |
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Error += test_rotate(); |
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return Error; |
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} |
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