GLM 0.9.5.2

Libraries/glm-0.9.5.2/test/gtx/gtx_euler_angle.cpp

@@ -0,0 +1,43 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2013-10-25
+// Updated : 2014-01-11
+// Licence : This source is under MIT licence
+// File    : test/gtx/euler_angle.cpp
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+// Code sample from Filippo Ramaciotti
+
+#define GLM_FORCE_RADIANS
+#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; 
+}