36 lines
800 B
C++
36 lines
800 B
C++
#ifndef PNOISE2_HPP
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#define PNOISE2_HPP
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#include <vector>
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#include <cmath>
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#include <algorithm>
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#include <functional>
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#include <random>
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#include "../vectorlogic/vec2.hpp"
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class PNoise2 {
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private:
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std::vector<float> permutation;
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std::default_random_engine rng;
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float TR,TL,BR,BL;
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public:
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PNoise2() {
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permutation.reserve(256);
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for (int i = 0; i < 256; i++){
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permutation[i] = i;
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}
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std::ranges::shuffle(permutation, rng);
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TR = permutation[permutation[1]+1];
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TR = permutation[permutation[0]+1];
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TR = permutation[permutation[1]+0];
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TR = permutation[permutation[0]+0];
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}
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Vec2 GetConstantVector(Vec2 v) {
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Vec2 h = v & 3;
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}
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};
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#endif
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//https://rtouti.github.io/graphics/perlin-noise-algorithm
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