public class ColorRGB
{
  public float r;
  public float g;
  public float b;
  
  //default to white
  ColorRGB()
  {
    r = 1.0f;
    g = 1.0f;
    b = 1.0f;
  }
  
  ColorRGB(float r_, float g_, float b_)
  {
    r = r_;
    g = g_;
    b = b_;
  }
  
  ColorRGB(ColorRGB c)
  {
    r = c.r;
    g = c.g;
    b = c.b;
  }
  
  public void Set(float r_, float g_, float b_)
  {
    r = r_;
    g = g_;
    b = b_;    
  }
  
  public ColorHSB ToHSB()
  {
    //Values which will fill in our color
    float h_ = 0.0f;
    float s_ = 0.0f;
    float b_ = 0.0f;
    
    float var_Min = Math.min(r, Math.min(g, b));  //Min of RGB
    float var_Max = Math.max(r, Math.max(g, b));  //Max of RGB
    float del_Max = var_Max - var_Min;            //Delta RGB value
    
    float del_R = 0.0f;
    float del_G = 0.0f;
    float del_B = 0.0f;
    
    b_ = (var_Max + var_Min)/2.0f;  
    
    if (del_Max == 0.0f)
    {  
      h_ = 0.0f;      //RGB are the same, so we're grey
      s_ = 0.0f;
    }
    else  //we need to handle chroma
    {
      if (b_ < 0.5f)
        s_ = del_Max/(var_Max + var_Min);
      else 
        s_ = del_Max/(2.0f - var_Max - var_Min);
        
        del_R = (((var_Max - r)/6.0f) + (del_Max/2.0f))/del_Max;
        del_G = (((var_Max - g)/6.0f) + (del_Max/2.0f))/del_Max;
        del_B = (((var_Max - b)/6.0f) + (del_Max/2.0f))/del_Max;
        
        if (r == var_Max)
          h_ = del_B - del_G;
        else if (g == var_Max)
          h_ = (1.0f/3.0f) + del_R - del_B;
        else if (b == var_Max)
          h_ = (2.0f/3.0f) + del_G - del_R;
          
        if (h_ < 0.0f)
          h_ += 1.0f;
        if (h_ > 1.0f)
          h_ -= 1.0f;
    }
    
    return new ColorHSB(h_, s_, b_);
  }
}

public class ColorHSB
{
  public float h;
  public float s;
  public float b;
  
  ColorHSB()
  {
    h = 1.0f;
    s = 1.0f;
    b = 1.0f;
  }
  
  ColorHSB(float h_, float s_, float b_)
  {
    h = h_;
    s = s_;
    b = b_;
  }
  
  ColorHSB(ColorHSB c)
  {
    h = c.h;
    s = c.s;
    b = c.b;
  }
  
  public void Set(float h_, float s_, float b_)
  {
    h = h_;
    s = s_;
    b = b_;
  }

  //A helper function for converting to RGB. Makes no sense to outsiders
  private static float Hue_2_RGB(float v1, float v2, float vH)
  {
    if (vH < 0.0f) vH += 1.0f;
    if (vH > 1.0f) vH -= 1.0f;

    if ((6.0f * vH ) < 1.0f) 
      return (v1 + (v2 - v1) * 6.0f * vH);
    if ((2.0f * vH) < 1.0f) 
      return  v2; 
    if ((3.0f * vH) < 2.0f) 
      return (v1 + (v2 - v1) * ((2.0f / 3.0f) - vH) * 6.0f);

      return v1;    
  }
  
  public ColorRGB ToRGB()
  {
    float r_ = 0.0f;
    float g_ = 0.0f;
    float b_ = 0.0f;

    //For passing into the Hue_2_RGB function    
    float var_1;
    float var_2;
    
    if (s == 0.0f)
    {
      r_ = b;
      g_ = b;
      b_ = b;  
    }
    else
    {
      if (b < 0.5f)
         var_2 = b*(1.0f + s);
      else 
         var_2 = (b + s) - (b * s);
         
      var_1 = 2.0f*b - var_2;
      
      r_ = Hue_2_RGB(var_1, var_2, h+(1.0f/3.0f));
      g_ = Hue_2_RGB(var_1, var_2, h);
      b_ = Hue_2_RGB(var_1, var_2, h-(1.0f/3.0f));      
    }
       
    return new ColorRGB(r_, g_, b_);
  }
}