public static void FloodFillArea(this Texture2D aTex, int aX, int aY, Color32 aFillColor)
{
int width = aTex.get_width();
int height = aTex.get_height();
Color32[] pixels = aTex.GetPixels32();
Color color = pixels[aX + aY * width];
Queue <TextureExtensions.Point> queue = new Queue <TextureExtensions.Point>();
queue.Enqueue(new TextureExtensions.Point(aX, aY));
while (queue.get_Count() > 0)
{
TextureExtensions.Point point = queue.Dequeue();
for (int i = (int)point.x; i < width; i++)
{
Color color2 = pixels[i + (int)point.y * width];
if (color2 != color || color2 == aFillColor)
{
break;
}
pixels[i + (int)point.y * width] = aFillColor;
if ((int)(point.y + 1) < height)
{
color2 = pixels[i + (int)point.y * width + width];
if (color2 == color && color2 != aFillColor)
{
queue.Enqueue(new TextureExtensions.Point(i, (int)(point.y + 1)));
}
}
if (point.y - 1 >= 0)
{
color2 = pixels[i + (int)point.y * width - width];
if (color2 == color && color2 != aFillColor)
{
queue.Enqueue(new TextureExtensions.Point(i, (int)(point.y - 1)));
}
}
}
for (int j = (int)(point.x - 1); j >= 0; j--)
{
Color color3 = pixels[j + (int)point.y * width];
if (color3 != color || color3 == aFillColor)
{
break;
}
pixels[j + (int)point.y * width] = aFillColor;
if ((int)(point.y + 1) < height)
{
color3 = pixels[j + (int)point.y * width + width];
if (color3 == color && color3 != aFillColor)
{
queue.Enqueue(new TextureExtensions.Point(j, (int)(point.y + 1)));
}
}
if (point.y - 1 >= 0)
{
color3 = pixels[j + (int)point.y * width - width];
if (color3 == color && color3 != aFillColor)
{
queue.Enqueue(new TextureExtensions.Point(j, (int)(point.y - 1)));
}
}
}
}
aTex.SetPixels32(pixels);
}
public Point(int aX, int aY)
{
this = new TextureExtensions.Point((short)aX, (short)aY);
}