private static void ChangeMask(BinaryParticleCloud p)
{
var c = RandomColorMask();
if (p.ColorMask.HasFlag(c))
{
p.ColorMask &= ~c;
}
else
{
p.ColorMask |= c;
}
}
private BinaryParticleCloud SpawnColorChild()
{
var p = new BinaryParticleCloud();
p.Location.Copy(Location);
p.Velocity.Copy(Velocity);
p.Acceleration.Copy(Acceleration);
p.SplitCounter = SplitCounter;
p.ColorMask = ColorMask;
p.ParticleColor = ParticleColor;
p.SplitChance = SplitChance;
p.ColorIncrement = ColorIncrement;
p.ColorDecrement = ColorDecrement;
p.ChildLocationVariation = ChildLocationVariation;
p.ChildVelocityVariation = ChildVelocityVariation;
p.EmitPeriod = EmitPeriod;
p.SplitPeriod = SplitPeriod;
//p.ParticleColor = Color.FromRgb((byte)((ParticleColor.R + p.ParticleColor.R) / 2), (byte)((ParticleColor.G + p.ParticleColor.G) / 2), (byte)((ParticleColor.B + p.ParticleColor.B) / 2));
var R = p.ParticleColor.R;
var G = p.ParticleColor.G;
var B = p.ParticleColor.B;
//Convert RGB to CYMK
var C = 1 - ((double)R / 255);
var M = 1 - ((double)G / 255);
var Y = 1 - ((double)B / 255);
var K = (double)1;
if (C < K)
K = C;
if (M < K)
K = M;
if (Y < K)
K = Y;
if (K == 1)
{ //Black
C = 0;
M = 0;
Y = 0;
}
else
{
C = (C - K) / (1 - K);
M = (M - K) / (1 - K);
Y = (Y - K) / (1 - K);
}
//if (Y > 0.9)
//{
// p.ColorMask &= ~(ColorEvolutionMask.Yellow);
//}
//if (M > 0.9)
//{
// p.ColorMask &= ~(ColorEvolutionMask.Magenta);
//}
//if (C > 0.9)
//{
// p.ColorMask &= ~(ColorEvolutionMask.Cyan);
//}
//if (K > 0.5)
//{
// p.ColorMask &= ~(ColorEvolutionMask.Black);
// K = 0.1;
//}
//if (R > 230)
//{
// p.ColorMask &= ~(ColorEvolutionMask.Red);
//}
//if (G > 230)
//{
// p.ColorMask &= ~(ColorEvolutionMask.Green);
//}
//if (B > 230)
//{
// p.ColorMask &= ~(ColorEvolutionMask.Blue);
//}
if (p.ColorMask == 0)
{
ChangeMask(p);
}
else
{
ColorEvolutionMask mask;
while (!p.ColorMask.HasFlag(mask = RandomColorMask()))
{
}
switch (mask)
{
//RGB we reduce
case ColorEvolutionMask.Red:
R = (byte)Math.Max(R + (byte)ColorDecrement, R); //Max is for possible overflow
p.ParticleColor = Color.FromRgb(R, G, B);
break;
case ColorEvolutionMask.Green:
G = (byte)Math.Max(G + (byte)ColorDecrement, G);
p.ParticleColor = Color.FromRgb(R, G, B);
break;
case ColorEvolutionMask.Blue:
B = (byte)Math.Max(B + (byte)ColorDecrement, B);
p.ParticleColor = Color.FromRgb(R, G, B);
break;
//CYMK we increase
case ColorEvolutionMask.Cyan:
C = Math.Min(1, C + ColorIncrement);
p.ParticleColor = CymkToColor(C, Y, M, K);
break;
case ColorEvolutionMask.Yellow:
Y = Math.Min(1, Y + ColorIncrement);
p.ParticleColor = CymkToColor(C, Y, M, K);
break;
case ColorEvolutionMask.Magenta:
M = Math.Min(1, M + ColorIncrement);
p.ParticleColor = CymkToColor(C, Y, M, K);
break;
}
}
return p;
}
