Adding the apple

Next up, we need to get our snake eating something. Let's get our apple implemented.

We will need to get our apple to do the following things:

• Randomly being placed on the screen, not on the snake!
• Only place one if there isn't an apple on the screen already
• Disappear when it collides with the snake's head

Right! Let's add the texture:

    private Texture apple;

Then, let's amend our show() method and add the code to instantiate the apple texture:

    apple = new Texture(Gdx.files.internal("apple.png"));

Let's add a flag to determine if the apple is available:

    private boolean appleAvailable = false;
    private int appleX, appleY;

This will control whether or not we want to place one. In the Snake game, the next apple appears after the current apple is eaten; therefore, we don't need any fancy timing mechanism to deal with it. Hence, the apple is not available at the start as we need to place one first. We also specify the variables...