public static void update(){
		for(int i=0;i<4;i++){
			if(i==0) prev[KeyEvent.VK_LEFT]=pressed[KeyEvent.VK_LEFT];
			if(i==1) prev[KeyEvent.VK_RIGHT]=pressed[KeyEvent.VK_RIGHT];
			if(i==2) prev[KeyEvent.VK_DOWN]=pressed[KeyEvent.VK_DOWN];
			if(i==3) prev[KeyEvent.VK_UP]=pressed[KeyEvent.VK_UP];
		}
	}