source: GTP/trunk/App/Demos/Vis/CHC_revisited/Material.h @ 2756

#ifndef __MATERIAL_H
#define __MATERIAL_H


namespace CHCDemo 
{

class Texture;

class RgbColor 
{

public:

  float r, g, b;

  RgbColor():r(0.5f),g(0.5f),b(0.5f)
  {
  }

  RgbColor(const float _r,
           const float _g,
           const float _b):r(_r),g(_g),b(_b)
  {
  }

  friend RgbColor
  RandomColor(const float a=0.0f, const float b=1.0f);

  // Mapping from interval 0.0-1.0 to RGB using "rainbow" color map
  // (range of hue from 0-240)

  friend RgbColor RainbowColorMapping(const float value);
  
};


// Forward declarations
RgbColor RandomColor(const float a, const float b);

// Mapping from interval 0.0-1.0 to RGB using "rainbow" color map
// (range of hue from 0-240)
RgbColor RainbowColorMapping(const float value);

  

class Material 
{
public:

  RgbColor mDiffuseColor;
  RgbColor mSpecularColor;
  RgbColor mAmbientColor;
  
  Material();
  
  Material(int id);

  Material(const RgbColor &color);
  /** Returns unique material id.
  */
  int GetId() const;

  friend Material RandomMaterial();

  Texture *GetTexture() const { return mTexture; }

  void SetTexture(Texture *texture) { mTexture = texture; }
  /** Renders this material.
  */
  void Render();

protected:

        /** Initialize the material with default values
        */
        void InitMaterial();

        /// unique material id
        int mId;
        /// the assciated texture
        Texture *mTexture;
};


extern Material RandomMaterial();

}

#endif