public static Bitmap CreatePassableBitmap(this IZone zone, Color passableTileColor, Color islandTileColor = default(Color))
{
var skipIsland = islandTileColor.Equals(default(Color));
var b = zone.CreateBitmap();
b.WithGraphics(g => g.FillRectangle(new SolidBrush(Color.FromArgb(255, 0, 0, 0)), 0, 0, zone.Size.Width - 1, zone.Size.Height - 1));
return(b.ForEach((bmp, x, y) =>
{
if (zone.Terrain.Blocks[x, y].Island)
{
if (skipIsland)
{
return; //island pixels will be black
}
bmp.SetPixel(x, y, islandTileColor); //OR optionally the supported color
return;
}
if (!zone.Terrain.IsPassable(x, y))
{
return;
}
bmp.SetPixel(x, y, passableTileColor);
}));
}
private Bitmap CreateAltitudeBitmap()
{
return(_zone.CreateBitmap().ForEach((bmp, x, y) =>
{
var altitudeValue = (byte)(_zone.Terrain.Altitude.GetAltitudeAsDouble(x, y) / 2048 * 612).Clamp(0, 255);
var color = Color.FromArgb(altitudeValue, altitudeValue, altitudeValue);
bmp.SetPixel(x, y, color);
}));
}