1 #ifndef BLANK_RAND_SIMPLEXNOISE_HPP_
2 #define BLANK_RAND_SIMPLEXNOISE_HPP_
9 /// (3D only) adaptation of Stefan Gustavson's SimplexNoise java class
13 explicit SimplexNoise(unsigned int seed) noexcept;
15 float operator ()(const glm::vec3 &) const noexcept;
18 int Perm(int idx) const noexcept;
19 int Perm12(int idx) const noexcept;
20 const glm::vec3 &Grad(int idx) const noexcept;