if (pdv <= 0) {
		instance_destroy();
		show_debug_message("game overe");
		// GAME OVER
} else if (inv == 0) {
	pdv--;
	inv = 120;
}

// pushback
if (other.x > x) {
	x -= 10;
} else if (other.x < x) {
	x += 10;
} else if (other.y > y) {
	y -= 10;
} else if (other.y < y) {
	y += 10;
}