cloudy-raytracer/common/noise/worleynoise.h

32 lines
731 B
C++

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