draw_background_tiled(back, x, y);
|back||The index of the background to draw.|
|x||The x coordinate of where to draw the background.|
|y||The y coordinate of where to draw the background.|
This function will take a background and then repeatedly tile it
across the whole view (or room if no view is defined), starting
from the coordinates that you give in the function.
draw_background_tiled(bck_Sky, x, y);
This will draw the background indexed in "bck_Sky" at the instances own x and y position, and tiled in every direction in the view.