if (x > (xstart - 40) && obj_time.left)
    x -= 4;
if (x < (xstart + 40) && obj_time.right)
    x += 4;
if (obj_time.up)
    y -= 4;
if (obj_time.down)
    y += 4;
if (global.mnfight != 2)
    instance_destroy();