private void fillShadow(double longitude, double latitude, Texture2D tex, Color color)
{
int x = (int)(512 * longitude / 180.0);
int y = 512 + (int)(512 * latitude / 90.0);
if (x < 0)
{
x += 1024;
}
if (y < 0)
{
y = 0;
}
else if (y > 1024)
{
y = 1024;
}
if (x < 0)
{
x = 0;
}
else if (x > 1024)
{
x = 1024;
}
LineSeed.paint(x, y, tex, color);
}