29 template<length_t L,
typename T, qualifier Q>
30 GLM_FUNC_DECL T
length(vec<L, T, Q>
const& x);
39 template<length_t L,
typename T, qualifier Q>
40 GLM_FUNC_DECL T
distance(vec<L, T, Q>
const& p0, vec<L, T, Q>
const& p1);
49 template<length_t L,
typename T, qualifier Q>
50 GLM_FUNC_DECL T
dot(vec<L, T, Q>
const& x, vec<L, T, Q>
const& y);
58 template<
typename T, qualifier Q>
59 GLM_FUNC_DECL vec<3, T, Q>
cross(vec<3, T, Q>
const& x, vec<3, T, Q>
const& y);
69 template<length_t L,
typename T, qualifier Q>
70 GLM_FUNC_DECL vec<L, T, Q>
normalize(vec<L, T, Q>
const& x);
79 template<length_t L,
typename T, qualifier Q>
81 vec<L, T, Q>
const& N,
82 vec<L, T, Q>
const& I,
83 vec<L, T, Q>
const& Nref);
93 template<length_t L,
typename T, qualifier Q>
94 GLM_FUNC_DECL vec<L, T, Q>
reflect(
95 vec<L, T, Q>
const& I,
96 vec<L, T, Q>
const& N);
107 template<length_t L,
typename T, qualifier Q>
108 GLM_FUNC_DECL vec<L, T, Q>
refract(
109 vec<L, T, Q>
const& I,
110 vec<L, T, Q>
const& N,
116 #include "detail/func_geometric.inl" GLM_FUNC_DECL T length(vec< L, T, Q > const &x)
Returns the length of x, i.e., sqrt(x * x).
GLM_FUNC_DECL vec< L, T, Q > 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 - ...
GLM_FUNC_DECL T 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).
GLM_FUNC_DECL vec< 3, T, Q > cross(vec< 3, T, Q > const &x, vec< 3, T, Q > const &y)
Returns the cross product of x and y.
GLM_FUNC_DECL vec< L, T, Q > normalize(vec< L, T, Q > const &x)
Returns a vector in the same direction as x but with length of 1.
GLM_FUNC_DECL vec< L, T, Q > 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.
GLM_FUNC_DECL vec< L, T, Q > 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...
GLM_FUNC_DECL T 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.