Beispiel #1
0
      public static HslColor FromRgb(byte R, byte G, byte B)
      {
         HslColor c = new HslColor();
         c.A = 1;
         double r = ByteToPct(R);
         double g = ByteToPct(G);
         double b = ByteToPct(B);
         double max = Math.Max(b, Math.Max(r, g));
         double min = Math.Min(b, Math.Min(r, g));
         if (max == min)
         {
            c.H = 0;
         }
         else if (max == r && g >= b)
         {
            c.H = 60 * ((g - b) / (max - min));
         }
         else if (max == r && g < b)
         {
            c.H = 60 * ((g - b) / (max - min)) + 360;
         }
         else if (max == g)
         {
            c.H = 60 * ((b - r) / (max - min)) + 120;
         }
         else if (max == b)
         {
            c.H = 60 * ((r - g) / (max - min)) + 240;
         }

         c.L = .5 * (max + min);
         if (max == min)
         {
            c.S = 0;
         }
         else if (c.L <= .5)
         {
            c.S = (max - min) / (2 * c.L);
         }
         else if (c.L > .5)
         {
            c.S = (max - min) / (2 - 2 * c.L);
         }
         return c;
      }
 public ParticleEmitter()
 {
    particleColor = HslColor.FromColor(Colors.Red);
    particleColor.L *= .75;
 }
Beispiel #3
0
 public HslColor Lighten(double pct)
 {
    HslColor c = new HslColor();
    c.A = this.A;
    c.H = this.H;
    c.S = this.S;
    c.L = Math.Min(Math.Max(this.L + pct, 0), 1);
    return c;
 }
Beispiel #4
0
 public static HslColor FromColor(Color c)
 {
     return(HslColor.FromArgb(c.A, c.R, c.G, c.B));
 }