internal readonly uint GetColor(uint x, uint y)
{
var alphaValue = (byte)((AlphaBlock[y] >> (int)(x * 4)) & 0b1111);
uint alpha = ((uint)alphaValue * 0b10001u) << 24;
return(Color.GetColorDXT3(x, y) | alpha);
}
internal readonly uint GetColor(Vector2U position)
{
var alphaValue = (byte)(AlphaBlock[position.Y] >> (int)(position.X * 4) & 0b1111);
uint alpha = alphaValue * 0b10001u << 24;
return(Color.GetColorDXT3(position) | alpha);
}