/**
* Mixes a collection of colors into this color
* Calculates a new K and S coefficient using a weighted average of all K and S coefficients
* In this implementation we assume each color has an equal concentration so each concentration
* weight will be equal to 1/(1 + colors.size)
* @param colors The Colors to mix into this Color
*/
public void Mix(IReadOnlyCollection <Color> colors)
{
var length = colors.Count;
// just a little error checking
if (length == 0)
{
return;
}
// calculate a concentration weight for a equal concentration of all colors in mix
var concentration = 1.0 / (1.0 + length);
// calculate first iteration
var aR = _aR * concentration;
var aG = _aG * concentration;
var aB = _aB * concentration;
// sum the weighted average
for (var i = 0; i < length; i++)
{
var color = new KmColor(colors.ElementAt(i));
aR += color._aR * concentration;
aG += color._aG * concentration;
aB += color._aB * concentration;
}
// update with results
_aR = aR;
_aG = aG;
_aB = aB;
}
/**
* Mixes another color into this color
* Calculates a new K and S coefficient using by averaging the K and S values
* In this implementation we assume each color has an equal concentration
* @param color The Color to mix into this Color
*/
public void Mix(Color color)
{
// calculate new KS (Absorbance) for mix with one color of equal concentration
var kmColor = new KmColor(color);
_aR = (_aR + kmColor._aR) / 2.0;
_aG = (_aG + kmColor._aG) / 2.0;
_aB = (_aB + kmColor._aB) / 2.0;
}