var ww = sprite_width;
var choice = choose(0,1,2);
var lastchoice = choice;

var inst = instance_create_depth(x,y,depth,obj_room);
inst.image_blend = c_blue;
x+= ww;
instance_create_depth(x,y,depth,obj_room);

rooms = 7+global.level;

if (global.level mod 5 == 0) {
	rooms = 0;
}

for (var i = 0; i < rooms; i ++) {
	choice = choose(0,0,1,2);
	if (lastchoice == 0) {
		choice = choose(0,1,2);
	}
	if (lastchoice == 1) {
		choice = choose(0,0,1);
	}
	if (lastchoice == 2) {
		choice = choose(0,0,2);
	}

	switch (choice) {
		case 0: x += ww; break;
		case 1: y += ww; break;
		case 2: y -= ww; break;
	}
	instance_create_depth(x,y,depth,obj_room);
	lastchoice = choice;
}
x += ww;
var inst = instance_create_depth(x,y,depth,obj_room);
inst.image_blend = c_red;

alarm[0] = 4;