public List <Color32> GetColors(int numColors)
{
while (buckets.Count < numColors)
{
buckets.Sort((ColorBucket x, ColorBucket y) => (int)Mathf.Sign(y.BiggestVariance - x.BiggestVariance));
ColorBucket bucket = buckets[0];
buckets.RemoveAt(0);
List <ColorBucket> splitResult = bucket.MedianCut();
buckets.AddRange(splitResult);
if (splitResult.Count < 2)
{
break;
}
}
List <Color32> colors = new List <Color32>();
foreach (ColorBucket bucket in buckets)
{
colors.Add(bucket.averageColor);
}
// Sort by approx luminance (grayscale value)
colors.Sort((Color32 x, Color32 y) => (int)Mathf.Sign(((Color)x).grayscale - ((Color)y).grayscale));
return(colors);
}
public PaletteTree(ColorBucket bucket, int level, int maxLevels)
{
this.bucket = bucket;
this.level = level;
if (level < maxLevels)
{
children = new List <PaletteTree>();
List <ColorBucket> childBuckets = bucket.MedianCut();
foreach (ColorBucket child in childBuckets)
{
children.Add(new PaletteTree(child, level + 1, maxLevels));
}
}
}
public PaletteExtractor(Texture2D texture)
{
ColorBucket bucket = new ColorBucket(texture.GetPixels32());
buckets.Add(bucket);
}
public PaletteExtractor(Texture2D texture)
{
ColorBucket bucket = new ColorBucket(texture.GetPixels32());
paletteTree = new PaletteTree(bucket, 0, 8);
}