public void handle() {
		while (Keyboard.next()) {
			World world = Game.instance().world;
			switch (Keyboard.getEventKey()) {
				case Keyboard.KEY_ESCAPE:
					Display.destroy();
					System.exit(0);
					break;
				case Keyboard.KEY_W:
					world.setAt(playerX, playerY, Color.BLACK);
					world.setAt(playerX, playerY--, Color.WHITE);
					break;
				case Keyboard.KEY_S:
					world.setAt(playerX, playerY, Color.BLACK);
					world.setAt(playerX, playerY++, Color.WHITE);
					break;
				case Keyboard.KEY_A:
					world.setAt(playerX, playerY, Color.BLACK);
					world.setAt(playerX--, playerY, Color.WHITE);
					break;
				case Keyboard.KEY_D:
					world.setAt(playerX, playerY, Color.BLACK);
					world.setAt(playerX++, playerY, Color.WHITE);
					break;
			}
		}
	}