38 lines
862 B
C++
38 lines
862 B
C++
#ifndef CG1_TRACER_WORLEYNOISE_H
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#define CG1_TRACER_WORLEYNOISE_H
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#include <random>
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#include "common/vector3d.h"
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#include "noise.h"
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// Based on: https://www.youtube.com/watch?v=4QOcCGI6xOU
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class WorleyNoise : public Noise
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{
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public:
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/**
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*
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* @param size
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* @param numberOfPoints
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* @param seed 0 for random seed
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*/
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WorleyNoise(int size, int numberOfPoints, unsigned int seed = 0);
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protected:
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int numberOfPoints;
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std::vector<Vector3d> points; // 3D-Array, each cell represents a subcell. There are numberOfPoints^3 subcells.
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std::uniform_real_distribution<float> distribution;
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std::mt19937 generator;
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Vector3d getRandomPoint();
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float distanceToClosestPoint(Vector3d point);
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void generateNoise();
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std::vector<Vector3d> getSubcellPoints(Vector3d point);
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};
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#endif //CG1_TRACER_WORLEYNOISE_H
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