function space_ship()
...
  if (key_space)  
  {
   wait(25);
   shoot_1(i);
  }
  ...
  wait(1);
 }
}


function shoot_1(i)
{  
 snd_play(laser, 90, 0); 

 _shoot[i] = pan_create("bmap = shot.bmp;",1);
 _shoot[i].pos_x = _ship.pos_x+30;
 _shoot[i].pos_y = _ship.pos_y-20;  
 _shoot[i].flags = VISIBLE;
 
  
 while(_shoot[i] != NULL)
 {
 	_shoot[i].pos_y -= 0.5*time_step;
   if(_shoot[i].pos_y > 5)
   {
    _shoot[i].pos_y -= 0.5*time_step;	      
   }
   else
   {
    reset(_shoot[i],VISIBLE); 
    break;
   }   
  
   
  wait(1);
 }
 
 _shoot[i] = NULL;	
}