public void calculateKnockback(){
		if(knockDir == 0) move(0, (int) -knockback);
		if(knockDir == 1) move((int) knockback, 0);
		if(knockDir == 2) move(0, (int) knockback);
		if(knockDir == 3) move((int) -knockback, 0);
		
		knockback -= 0.3;
	}