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Mastering Java Swing

Create The Projectiles - STEP 2

Projectiles

Now, let’s add the ability to create and store projectiles in the game. We’ll save all projectiles in an array so we can manage and draw them later.

We need a way to store all the projectiles on the screen. For this, we’ll use an ArrayList. Here’s how to do it:

  • Add this line at the top of your class (as a member variable) to create the projectiles list:

    private ArrayList<Rectangle> projectiles = new ArrayList<>();
  • Don’t forget to import ArrayList at the very top of your file:

    import java.util.ArrayList;
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