27 template<length_t L,
typename T, qualifier P>
28 GLM_FUNC_DECL T
length(vec<L, T, P>
const& x);
37 template<length_t L,
typename T, qualifier P>
38 GLM_FUNC_DECL T
distance(vec<L, T, P>
const& p0, vec<L, T, P>
const& p1);
47 template<length_t L,
typename T, qualifier P>
48 GLM_FUNC_DECL T
dot(vec<L, T, P>
const & x, vec<L, T, P>
const & y);
56 template<
typename T, qualifier P>
57 GLM_FUNC_DECL vec<3, T, P>
cross(vec<3, T, P>
const & x, vec<3, T, P>
const & y);
67 template<length_t L,
typename T, qualifier P>
68 GLM_FUNC_DECL vec<L, T, P>
normalize(vec<L, T, P>
const& x);
77 template<length_t L,
typename T, qualifier P>
79 vec<L, T, P>
const& N,
80 vec<L, T, P>
const& I,
81 vec<L, T, P>
const& Nref);
91 template<length_t L,
typename T, qualifier P>
92 GLM_FUNC_DECL vec<L, T, P>
reflect(
93 vec<L, T, P>
const& I,
94 vec<L, T, P>
const& N);
105 template<length_t L,
typename T, qualifier P>
106 GLM_FUNC_DECL vec<L, T, P>
refract(
107 vec<L, T, P>
const& I,
108 vec<L, T, P>
const& N,
114 #include "func_geometric.inl"
GLM_FUNC_DECL vec< L, T, P > reflect(vec< L, T, P > const &I, vec< L, T, P > const &N)
For the incident vector I and surface orientation N, returns the reflection direction : result = I - ...
GLM_FUNC_DECL vec< L, T, P > normalize(vec< L, T, P > const &x)
Returns a vector in the same direction as x but with length of 1.
GLM_FUNC_DECL T dot(vec< L, T, P > const &x, vec< L, T, P > const &y)
Returns the dot product of x and y, i.e., result = x * y.
GLM_FUNC_DECL vec< L, T, P > faceforward(vec< L, T, P > const &N, vec< L, T, P > const &I, vec< L, T, P > const &Nref)
If dot(Nref, I) < 0.0, return N, otherwise, return -N.
GLM_FUNC_DECL vec< L, T, P > refract(vec< L, T, P > const &I, vec< L, T, P > 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 distance(vec< L, T, P > const &p0, vec< L, T, P > const &p1)
Returns the distance betwwen p0 and p1, i.e., length(p0 - p1).
GLM_FUNC_DECL T length(vec< L, T, P > const &x)
Returns the length of x, i.e., sqrt(x * x).
GLM_FUNC_DECL vec< 3, T, P > cross(vec< 3, T, P > const &x, vec< 3, T, P > const &y)
Returns the cross product of x and y.