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geometric.hpp File Reference

Core features More...

#include "detail/type_vec3.hpp"
#include "detail/func_geometric.inl"
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Namespaces

 glm
 Core features
 

Functions

template<length_t L, typename T , qualifier Q>
GLM_FUNC_DECL T glm::length (vec< L, T, Q > const &x)
 Returns the length of x, i.e., sqrt(x * x). More...
 
template<length_t L, typename T , qualifier Q>
GLM_FUNC_DECL T glm::distance (vec< L, T, Q > const &p0, vec< L, T, Q > const &p1)
 Returns the distance betwwen p0 and p1, i.e., length(p0 - p1). More...
 
template<length_t L, typename T , qualifier Q>
GLM_FUNC_DECL T glm::dot (vec< L, T, Q > const &x, vec< L, T, Q > const &y)
 Returns the dot product of x and y, i.e., result = x * y. More...
 
template<typename T , qualifier Q>
GLM_FUNC_DECL vec< 3, T, Q > glm::cross (vec< 3, T, Q > const &x, vec< 3, T, Q > const &y)
 Returns the cross product of x and y. More...
 
template<length_t L, typename T , qualifier Q>
GLM_FUNC_DECL vec< L, T, Q > glm::normalize (vec< L, T, Q > const &x)
 Returns a vector in the same direction as x but with length of 1. More...
 
template<length_t L, typename T , qualifier Q>
GLM_FUNC_DECL vec< L, T, Q > glm::faceforward (vec< L, T, Q > const &N, vec< L, T, Q > const &I, vec< L, T, Q > const &Nref)
 If dot(Nref, I) < 0.0, return N, otherwise, return -N. More...
 
template<length_t L, typename T , qualifier Q>
GLM_FUNC_DECL vec< L, T, Q > glm::reflect (vec< L, T, Q > const &I, vec< L, T, Q > const &N)
 For the incident vector I and surface orientation N, returns the reflection direction : result = I - 2.0 * dot(N, I) * N. More...
 
template<length_t L, typename T , qualifier Q>
GLM_FUNC_DECL vec< L, T, Q > glm::refract (vec< L, T, Q > const &I, vec< L, T, Q > const &N, T eta)
 For the incident vector I and surface normal N, and the ratio of indices of refraction eta, return the refraction vector. More...
 

Detailed Description

Core features

See also
GLSL 4.20.8 specification, section 8.5 Geometric Functions