1 #ifndef BLANK_RAND_SIMPLEXNOISE_HPP_
2 #define BLANK_RAND_SIMPLEXNOISE_HPP_
10 /// (3D only) adaptation of Stefan Gustavson's SimplexNoise java class
14 explicit SimplexNoise(std::uint64_t seed) noexcept;
16 float operator ()(const glm::vec3 &) const noexcept;
19 int Perm(int idx) const noexcept;
20 int Perm12(int idx) const noexcept;
21 const glm::vec3 &Grad(int idx) const noexcept;