public static void ApplyTransparency(Tileset tileset)
{
Color[] pixel = new Color[tileset.Width * tileset.Height];
tileset.Texture.GetData<Color>(pixel);
for (int i = 0; i < pixel.Count(); i++)
{
if (pixel[i].Equals(tileset.Transparency))
pixel[i] = new Color();
}
tileset.Texture.SetData<Color>(pixel);
}
public static Texture2D CreateTexture(GraphicsDevice device, int width, int height)
{
//initialize a texture
Random rndRandom = new Random();
Texture2D texture = new Texture2D(device, width, height);
//the array holds the color for each pixel in the texture
Color[] data = new Color[width * height];
Color empty = new Color();
int colorRange = 5;
int startMin = 0;
int startMax = 255;
double minAddition = 2.56;
double maxAddition = 1;
for (int pixel = 0; pixel < data.Count(); pixel++)
{
//the function applies the color according to the specified pixel
if (pixel % width > 0 && data[pixel - 1] != empty)
{
if (pixel - width > 0 && data[pixel - width] != empty) // inside
{
if (pixel - 2 * width > 0 && data[pixel - 2 * width] != empty && (pixel - 2) % width > 0) // further rows inside
{
Color cl = new Color(
rndRandom.Next((int)Math.Round((data[pixel - 1].R + data[pixel - width].R + data[pixel - 2].R + data[pixel - 2 * width].R + minAddition) / 4.0f - colorRange), (int)Math.Round((data[pixel - 1].R + data[pixel - width].R + data[pixel - 2].R + data[pixel - 2 * width].R + maxAddition) / 4.0f + colorRange)),
rndRandom.Next((int)Math.Round((data[pixel - 1].G + data[pixel - width].G + data[pixel - 2].G + data[pixel - 2 * width].G + minAddition) / 4.0f - colorRange), (int)Math.Round((data[pixel - 1].G + data[pixel - width].G + data[pixel - 2].G + data[pixel - 2 * width].G + maxAddition) / 4.0f + colorRange)),
rndRandom.Next((int)Math.Round((data[pixel - 1].B + data[pixel - width].B + data[pixel - 2].B + data[pixel - 2 * width].B + minAddition) / 4.0f - colorRange), (int)Math.Round((data[pixel - 1].B + data[pixel - width].B + data[pixel - 2].B + data[pixel - 2 * width].B + maxAddition) / 4.0f + colorRange)))
;
data[pixel] = cl;
}
else // first row inside
{
Color cl = new Color(
rndRandom.Next((int)Math.Floor((data[pixel - 1].R + data[pixel - width].R) / 2.0f - colorRange), (int)Math.Ceiling((data[pixel - 1].R + data[pixel - width].R) / 2.0f + colorRange)),
rndRandom.Next((int)Math.Floor((data[pixel - 1].G + data[pixel - width].G) / 2.0f - colorRange), (int)Math.Ceiling((data[pixel - 1].G + data[pixel - width].G) / 2.0f + colorRange)),
rndRandom.Next((int)Math.Floor((data[pixel - 1].B + data[pixel - width].B) / 2.0f - colorRange), (int)Math.Ceiling((data[pixel - 1].B + data[pixel - width].B) / 2.0f + colorRange)))
;
data[pixel] = cl;
}
}
else // top edge
{
Color cl = new Color(
rndRandom.Next(data[pixel - 1].R - colorRange, data[pixel - 1].R + colorRange),
rndRandom.Next(data[pixel - 1].G - colorRange, data[pixel - 1].G + colorRange),
rndRandom.Next(data[pixel - 1].B - colorRange, data[pixel - 1].B + colorRange)
);
data[pixel] = cl;
}
}
else if (pixel - width >= 0 && data[pixel - width] != empty) // left edge
{
Color cl = new Color(
rndRandom.Next((data[pixel - width].R) - colorRange, (data[pixel - width].R) + colorRange),
rndRandom.Next((data[pixel - width].G) - colorRange, (data[pixel - width].G) + colorRange),
rndRandom.Next((data[pixel - width].B) - colorRange, (data[pixel - width].B) + colorRange));
data[pixel] = cl;
}
else // first pixel
{
Color cl = new Color(rndRandom.Next(startMin, startMax), rndRandom.Next(startMin, startMax), rndRandom.Next(startMin, startMax));
data[pixel] = cl;
}
// data[pixel] = paint(pixel);
}
//set the color
texture.SetData(data);
return(texture);
}
