public Color GetDesaturatedColor()
{
RXColorHSL hsl = RXColor.HSLFromColor(_upColor);
hsl.s = 0.25f;
hsl.l = 0.6f;
return(RXColor.ColorFromHSL(hsl));
}
//
// Math for the conversion found here: http://www.easyrgb.com/index.php?X=MATH
//
public static RXColorHSL HSLFromColor(Color rgb)
{
RXColorHSL c = new RXColorHSL();
float r = rgb.r;
float g = rgb.g;
float b = rgb.b;
float minChan = Mathf.Min(r, g, b); //Min. value of RGB
float maxChan = Mathf.Max(r, g, b); //Max. value of RGB
float deltaMax = maxChan - minChan;
c.l = (maxChan + minChan) * 0.5f;
if (Mathf.Abs(deltaMax) <= 0.0001f) //This is a gray, no chroma...
{
c.h = 0; //HSL results from 0 to 1
c.s = 0;
}
else //Chromatic data...
{
if (c.l < 0.5f)
{
c.s = deltaMax / (maxChan + minChan);
}
else
{
c.s = deltaMax / (2.0f - maxChan - minChan);
}
float deltaR = (((maxChan - r) / 6.0f) + (deltaMax * 0.5f)) / deltaMax;
float deltaG = (((maxChan - g) / 6.0f) + (deltaMax * 0.5f)) / deltaMax;
float deltaB = (((maxChan - b) / 6.0f) + (deltaMax * 0.5f)) / deltaMax;
if (Mathf.Approximately(r, maxChan))
{
c.h = deltaB - deltaG;
}
else if (Mathf.Approximately(g, maxChan))
{
c.h = (1.0f / 3.0f) + deltaR - deltaB;
}
else if (Mathf.Approximately(b, maxChan))
{
c.h = (2.0f / 3.0f) + deltaG - deltaR;
}
if (c.h < 0.0f)
{
c.h += 1.0f;
}
else if (c.h > 1.0f)
{
c.h -= 1.0f;
}
}
return(c);
}
public static Color ColorFromHSL(RXColorHSL hsl)
{
return(ColorFromHSL(hsl.h, hsl.s, hsl.l));
}