Pacman style Outside Room script

You know in Pacman how the Monsters go through that tunnel outside the room and end up on the other side well this sctipt will do the same thing for you.

[code]
{
if (x < 0 && hspeed < 0) x = room_width + sprite_xoffset;
if (x > room_width && hspeed > 0) x = -sprite_width + sprite_xoffset;
if (y < 0 && vspeed < 0) y = room_height + sprite_yoffset;
if (y > room_height && vspeed > 0) y = -sprite_height + sprite_yoffset;
}
[/code]