glm/test/gtx/gtx_euler_angle.cpp
2013-09-22 23:37:55 +02:00

36 lines
1.1 KiB
C++

// Code sample from Filippo Ramaciotti
#define GLM_FORCE_RADIANS
#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <glm/gtx/string_cast.hpp>
#include <glm/gtx/euler_angles.hpp>
#include <iostream>
using namespace glm;
int main()
{
f32 first = 1.046f;
f32 second = 0.52f;
f32 third = -0.785f;
fmat4 rotationEuler = eulerAngleYXZ(first, second, third);
fmat4 rotationInvertedY = eulerAngleY(-1.f*first) * eulerAngleX(second) * eulerAngleZ(third);
fmat4 rotationDumb = glm::fmat4();
rotationDumb = rotate(rotationDumb, first, glm::fvec3(0,1,0));
rotationDumb = rotate(rotationDumb, second, glm::fvec3(1,0,0));
rotationDumb = rotate(rotationDumb, third, glm::fvec3(0,0,1));
std::cout << glm::to_string(fmat3(rotationEuler)) << std::endl;
std::cout << glm::to_string(fmat3(rotationDumb)) << std::endl;
std::cout << glm::to_string(fmat3(rotationInvertedY )) << std::endl;
std::cout <<"\nRESIDUAL\n";
std::cout << glm::to_string(fmat3(rotationEuler-(rotationDumb))) << std::endl;
std::cout << glm::to_string(fmat3(rotationEuler-(rotationInvertedY ))) << std::endl;
return 0;
}