private void WorleyNoise()
{
Color my_Color;
PixelData = new byte[(int)(Stride * Image1.Height)];
//Create the seed points
Seeds = new List <Point>();
for (int I = 0; I < SeedCount; I++)
{
Seeds.Add(new Point(Rnd.NextDouble() * Canvas1.ActualWidth, Rnd.NextDouble() * Canvas1.ActualHeight));
}
if (UseColor)
{
double[] distances = new double[SeedCount];
byte R, G, B;
for (int X = 0; X < W; X++)
{
for (int Y = 0; Y < H; Y++)
{
for (int I = 0; I < SeedCount; I++)
{
distances[I] = Math.Sqrt((Seeds[I].X - X) * (Seeds[I].X - X) + (Seeds[I].Y - Y) * (Seeds[I].Y - Y));
}
Array.Sort(distances);
if (distances[0] > maxDistance)
{
distances[0] = maxDistance - 1;
}
if (distances[1] > maxDistance)
{
distances[1] = maxDistance - 1;
}
if (distances[2] > maxDistance)
{
distances[2] = maxDistance - 1;
}
R = (byte)(255 * (maxDistance - distances[1]) / maxDistance);
G = (byte)(255 * (maxDistance - distances[2]) / maxDistance);
B = (byte)(255 * (maxDistance - distances[0]) / maxDistance);
my_Color = Color.FromRgb(R, G, B);
SetPixel(X, Y, my_Color, PixelData, Stride);
}
}
}
else
{
double[] distances = new double[SeedCount];
ColorPalette pal = new ColorPalette(Environment.CurrentDirectory + "\\ThermalGrayScale.cpl");
List <Color> my_Colors = pal.GetColors((int)maxDistance);
for (int X = 0; X < W; X++)
{
for (int Y = 0; Y < H; Y++)
{
for (int I = 0; I < SeedCount; I++)
{
distances[I] = Math.Sqrt((Seeds[I].X - X) * (Seeds[I].X - X) + (Seeds[I].Y - Y) * (Seeds[I].Y - Y));
}
Array.Sort(distances);
if (distances[0] > maxDistance)
{
distances[0] = maxDistance - 1;
}
my_Color = my_Colors[(int)(maxDistance - distances[0])];
SetPixel(X, Y, my_Color, PixelData, Stride);
}
}
}
bitmap = BitmapSource.Create(W, H, 96, 96, PixelFormats.Rgb24, null, PixelData, Stride);
Image1.Source = bitmap;
}
