public static Texture2D MixTexture2D(Texture2D originalTexture, Point originalPoint, Texture2D mergeTexture, Point mergePoint)
{
CheckOriginInside(originalTexture, originalPoint);
CheckOriginInside(mergeTexture, mergePoint);
Point maxSize = GetMaxSize(originalPoint, originalTexture, mergePoint, mergeTexture);
int xSize = maxSize.X;
int ySize = maxSize.Y;
originalTexture = originalTexture.ResizeTexture2D(xSize, ySize, Main.instance.GraphicsDevice);
Color[,] colorOriginal = originalTexture.ToColor().To2DColor(originalTexture.Width, originalTexture.Height);
Color[,] colorMerge = mergeTexture.ToColor().To2DColor(mergeTexture.Width, mergeTexture.Height);
int startingX = originalPoint.X - mergePoint.X;
int startingY = originalPoint.Y - mergePoint.Y;
for (int y = startingY; y < startingY + mergeTexture.Height; y++)
{
int currY = y - startingY;
for (int x = startingX; x < startingX + mergeTexture.Width; x++)
{
int currX = x - startingX;
Color pixel = colorMerge[currY, currX];
if (pixel.A != 0)
{
colorOriginal[y, x] = pixel;
}
}
}
originalTexture.SetData(colorOriginal.To1DColor(originalTexture.Width, originalTexture.Height));
return(originalTexture);
}