///object_tile_connect()
// Assigns a sprite index depending on which objects are adjacent
// Returns nothing.

image_speed = 0;
image_index = 0;

if( place_meeting( x + sprite_width,	y, 			object_index)) {image_index |= 1;}
if( place_meeting( x,			y - sprite_height, 	object_index)) {image_index |= 2;}
if( place_meeting( x - sprite_width, 	y, 			object_index)) {image_index |= 4;}
if( place_meeting( x, 			y + sprite_height, 	object_index)) {image_index |= 8;}