X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fnoise.hpp;fp=src%2Fnoise.hpp;h=0000000000000000000000000000000000000000;hb=b7d09e1e35ef90282c97509e0020b20db3c7ea9f;hp=cbfd48ee441ad62722490a8f51e4c4150a58484a;hpb=e53a0e2e711a7d8bd9b0ddacd1360aa14370643f;p=blank.git

diff --git a/src/noise.hpp b/src/noise.hpp
deleted file mode 100644
index cbfd48e..0000000
--- a/src/noise.hpp
+++ /dev/null
@@ -1,99 +0,0 @@
-#ifndef BLANK_NOISE_HPP_
-#define BLANK_NOISE_HPP_
-
-#include <cstdint>
-#include <limits>
-#include <glm/glm.hpp>
-
-
-namespace blank {
-
-class GaloisLFSR {
-
-public:
-	// seed should be non-zero
-	explicit GaloisLFSR(std::uint64_t seed) noexcept;
-
-	// get the next bit
-	bool operator ()() noexcept;
-
-	template<class T>
-	T operator ()(T &out) noexcept {
-		constexpr int num_bits =
-			std::numeric_limits<T>::digits +
-			std::numeric_limits<T>::is_signed;
-		for (int i = 0; i < num_bits; ++i) {
-			operator ()();
-		}
-		return out = static_cast<T>(state);
-	}
-
-private:
-	std::uint64_t state;
-	// bits 64, 63, 61, and 60 set to 1 (counting from 1 lo to hi)
-	static constexpr std::uint64_t mask = 0xD800000000000000;
-
-};
-
-
-/// (3D only) adaptation of Stefan Gustavson's SimplexNoise java class
-class SimplexNoise {
-
-public:
-	explicit SimplexNoise(unsigned int seed) noexcept;
-
-	float operator ()(const glm::vec3 &) const noexcept;
-
-private:
-	int Perm(int idx) const noexcept;
-	int Perm12(int idx) const noexcept;
-	const glm::vec3 &Grad(int idx) const noexcept;
-
-private:
-	int perm[512];
-	int perm12[512];
-	glm::vec3 grad[12];
-
-};
-
-
-/// implementation of Worley noise (aka Cell or Voroni noise)
-class WorleyNoise {
-
-public:
-	explicit WorleyNoise(unsigned int seed) noexcept;
-
-	float operator ()(const glm::vec3 &) const noexcept;
-
-private:
-	const unsigned int seed;
-	const int num_points;
-
-};
-
-
-template<class Noise>
-float OctaveNoise(
-	const Noise &noise,
-	const glm::vec3 &in,
-	int num,
-	float persistence,
-	float frequency = 1.0f,
-	float amplitude = 1.0f,
-	float growth = 2.0f
-) {
-	float total = 0.0f;
-	float max = 0.0f;
-	for (int i = 0; i < num; ++i) {
-		total += noise(in * frequency) * amplitude;
-		max += amplitude;
-		amplitude *= persistence;
-		frequency *= growth;
-	}
-
-	return total / max;
-}
-
-}
-
-#endif