glm/test/gtx/gtx_matrix_interpolation.cpp
2017-08-17 19:51:03 +02:00

47 lines
1.1 KiB
C++

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