gra: include/gra/scene/FractalMount.h Source File

00001 /* $Id:$ */
00002 
00003 #ifndef __FRACTAL_MOUNT_H
00004 #define __FRACTAL_MOUNT_H
00005 
00006 #include <esg/Definitions.h>
00007 #include <gra/scene/Scene.h>
00008 #include <esg/spacesorting/SDS.h>
00009 
00010 namespace gra {
00011 
00020 class GRA_EXPORT FractalMount : public Scene {
00021 protected:
00022         unsigned _factor;
00023         double   _roughness;
00024         unsigned _mountainNo; /* determines mountain terrein */ 
00025         double   _xCorner;    /* x coord. of lower left corner of mountain */
00026         double   _yCorner;    /* y coord. of lower left corner of mountain */
00027         double   _width;      /* mountain width */
00028         
00029 protected:
00030         void _create_lights (void);
00031         AutoPtr<Material>** _create_crystal_materials (unsigned&);
00032         AutoPtr<Material>** _create_mount_materials   (unsigned&);
00033         void _create_spheres (const Vector4&, AutoPtr<Material>**, unsigned);
00034         void _grow_mountain (double, int, int, int, double, double, double,
00035                              double, AutoPtr<Material>**, unsigned);
00036         
00037 public:
00063         FractalMount (const SDS& proto,
00064                       unsigned   factor,
00065                       unsigned   mn = 21,
00066                       double     xc = -0.4,
00067                       double     yc = -0.4,
00068                       double     w  =  0.8);
00069 };
00070 
00071 } // namespace
00072 
00073 #endif // __FRACTAL_MOUNT_H