Turbulence.h Source File

00001 /*
00002   File: Turbulence.h
00003 
00004   Copyright(C) C. Kotterink, Computed Graphics
00005 */
00006 #ifndef TURBULENCE_H
00007 #define TURBULENCE_H
00008 
00009 #include<ColorMap.h>
00010 #include<Shade.h>
00011 #include<Image.h>
00012 #include<Matrix4.h>
00013 
00014 #include<string>
00015 
00018 class Turbulence : public Shade
00019 {
00020     DYNAMIC_OBJECT;
00021 public:
00022     typedef enum Type {
00023         SolidNoise,
00024         Linear,
00025         Circular, 
00026         Spherical
00027     };
00028     Turbulence(real tur = 1.0, real b = 2.0, unsigned int oct = 5)
00029         : beta(b), scale(1.0), octaves(oct), type(Linear),
00030         turbulence(tur), color(Color4(1, 1, 1, 1))
00031     {
00032         M.identity();
00033     }
00034 
00035     Color4 getColor(const Vertex3 &v) const;
00036 
00037     // Inherited from Shade
00038     Color4 calculateColor(const SurfaceInfo &s, Scene &scene);
00039     void transform(Matrix4 &m);
00040 
00041     // Inherited from DynamicObject
00042     void parseSymbol(Token &t, ObjectFile &file);
00043     void writeParams(ostream &stream);
00044 
00045 private:
00046     // Inherited from DynamicObject
00047     void createSymbols();
00048 
00049     real beta;
00050     real turbulence;
00051     real scale;
00052     unsigned int octaves;
00053     Type type;
00054     Color4 color;
00055     ColorMap table;
00056     Matrix4 M;
00057 
00058 private:
00059     typedef Shade super;
00060 };
00061 #endif