cloudy-raytracer/shader/cloudshader.h

41 lines
812 B
C++

#ifndef CG1_TRACER_CLOUDSHADER_H
#define CG1_TRACER_CLOUDSHADER_H
#include "scene/scene.h"
#include "shader.h"
#include "primitive/primitive.h"
#include "common/noise/worleynoise.h"
int const NOISE_SIZE = 128;
struct CloudSettings
{
int densitySamples = 100;
float scale = 10;
float densityTreshold = 0.55f;
float densityIntensity = 2.5f;
float densityAbsorption = 2;
Color cloudColor = Color(1, 1, 1);
};
class CloudShader : public Shader
{
public:
CloudShader(CloudSettings const &settings = CloudSettings());
// Shader functions
Color shade(Scene const &scene, Ray const &ray) const;
private:
CloudSettings settings;
bool isTransparent() const;
Noise cloudNoise;
float getCloudDensity(Vector3d point) const;
};
#endif //CG1_TRACER_CLOUDSHADER_H