Util.cpp File Reference

implementation files for Util class More...

#include "Types.h"
#include "Mat4.h"
#include "Vec4.h"
#include <cmath>
#include <iostream>
#include <string>

Include dependency graph for Util.cpp:

Go to the source code of this file.

Namespaces
	ngl
	implementation files for RibExport class

Functions
NGL_DLLEXPORT Vec3	ngl::calcNormal (const Vec4 &_p1, const Vec4 &_p2, const Vec4 &_p3) noexcept
	calculates the normal from 3 points and return the new normal as a Vector More...
NGL_DLLEXPORT Vec3	ngl::calcNormal (const Vec3 &_p1, const Vec3 &_p2, const Vec3 &_p3) noexcept
	calculates the normal from 3 points and return the new normal as a Vector More...
NGL_DLLEXPORT Real	ngl::radians (const Real _deg) noexcept
	converts Degrees to Radians More...
NGL_DLLEXPORT Real	ngl::degrees (const Real _rad) noexcept
	converts Radians to Degrees More...
NGL_DLLEXPORT void	ngl::NGLCheckGLError (const std::string &_file, const int _line) noexcept
	check for openGL errors and print out. More...
NGL_DLLEXPORT Mat4	ngl::perspective (Real _fovy, Real _aspect, Real _zNear, Real _zFar) noexcept
	computer a perspective projection matrix similar to the one from the GLM library this is to help make prorting glm code easier http://glm.g-truc.net/ More...
NGL_DLLEXPORT Mat4	ngl::perspectiveFov (Real const &_fov, Real const &_width, Real const &_height, Real const &_zNear, Real const &_zFar) noexcept
	computer a perspective projection matrix similar to the one from the GLM library this is to help make prorting glm code easier http://glm.g-truc.net/ More...
NGL_DLLEXPORT Mat4	ngl::infinitePerspective (Real _fovy, Real _aspect, Real _zNear) noexcept
	computer a perspective projection matrix similar to the one from the GLM library this is to help make prorting glm code easier http://glm.g-truc.net/ More...
NGL_DLLEXPORT Mat4	ngl::lookAt (const Vec3 &_eye, const Vec3 &_center, const Vec3 &_up) noexcept
	calculate a look at matrix similar to the one from the GLM library this is to help make porting glm code easier http://glm.g-truc.net/ More...
NGL_DLLEXPORT Mat4	ngl::ortho (Real _left, Real _right, Real _bottom, Real _top, Real _zNear, Real _zFar) noexcept
	calculate an ortho graphic projection at matrix similar to the one from the GLM library this is to help make porting glm code easier http://glm.g-truc.net/ More...
NGL_DLLEXPORT Mat4	ngl::ortho (Real _left, Real _right, Real _bottom, Real _top) noexcept
	calculate an ortho graphic projection at matrix similar to the one from the GLM library this is to help make porting glm code easier http://glm.g-truc.net/ More...
NGL_DLLEXPORT Mat4	ngl::frustum (Real _left, Real _right, Real _bottom, Real _top, Real _nearVal, Real _farVal) noexcept
	calculate frustum matrix similar to the one from the GLM library this is to help make porting glm code easier http://glm.g-truc.net/ More...
NGL_DLLEXPORT Vec3	ngl::unProject (const Vec3 &_win, const Mat4 &_model, const Mat4 &_project, const Vec4 &_viewport) noexcept
	unproject points similar to the one from the GLM library this is to help make porting glm code easier http://glm.g-truc.net/ More...
NGL_DLLEXPORT Vec3	ngl::project (const Vec3 &_pos, const Mat4 &_model, const Mat4 &_project, const Vec4 &_viewport) noexcept
NGL_DLLEXPORT bool	ngl::isPowerOfTwo (unsigned int _x) noexcept
	returns if value is a power of 2 More...
NGL_DLLEXPORT unsigned int	ngl::nextPow2 (unsigned int _x) noexcept
	rounds up the value to next power of 2 More...

Detailed Description

implementation files for Util class

Definition in file Util.cpp.