olups=o_2.y-o_1.y;

bool isPrime (int number)   
{    
         if (number != 2 && (number % 2) ==  0 || number <= 1)   
             return false;    
         else   
         {    
            auto int i;    
            for (i = 3; i * i <= number; i += 2) {    
                if (number % i == 0) return false;    
            }    
         }    
         return true;    
    }  

instance_destroy();
var newx, newy;
while (!place_free(newx, newy))
{
   newx = irandom_range(0, room_width);
   newy = irandom_range(0, room_height);
}
instance_create(newx, newy, object);

rotated = 0;
rotating = false;

if (keyboard_pressed(any_key))
     rotating = true;

if (rotating && rotated < 360)
{
     image_angle += 10;
     rotated += 10;
     if (rotated == 360)  
         rotating = false;
}

execute_

var x;
x = irandom_range(1, кол-во клетов);
switch (x) {
       case 1: room_goto(0);
       case 1: room_goto(3);
      и т.д..
     }