[JAVA][Beginning Java 8 Games Development]

Chapter 14 ■ Setting Up the Game Environment: Creating Fixed Sprite Classes Using the Actor Superclass
Use Run ➤ Project and test the game to see how each brick is mirrored differently, as shown in Figure 14-26.
Figure 14-26. Run ➤ Project; Prop, PropH, and PropV shown at the left, and all four Prop subclasses shown at the right
Next, let’s take a look at how to use large Scene Prop objects to composite background elements on a Stage.
Using Larger Scene Props: Compositing with JavaFX
One thing that is really nice about these four Prop Actor subclasses that we have created is that they allow us to
leverage the PNG8 (background image assets) and PNG32 (true color compositing images with alpha channels) image
assets to do digital image compositing right in our game Scene and Stage objects. If we do not use a fixed prop with a
motion sprite game character by implementing collision detection, and if we keep these fix props in the background,
by watching what we’re doing inside of our .addGameActorNodes() method as far as Actor z-index goes, we can
optimize game visual elements using the same compositing engine we have developed for characters and obstacles.
We might not have to use any background image plates for our game at all. At the very least, this allows us to add
simpler background image plates, such as a basic sky with clouds, or a sunset. These compress better, due to their
simplicity, and can use PNG8 images with pristine results. Let’s add a larger fixed sprite prop next, one that has nearly
500 pixels of width and nearly 100 pixels of height. The first thing that we’ll need to add, as shown in Figure 14-27, is
another Prop object that we’ll name iPR1, and another Image object that we’ll name iP1, using the following code:
Prop iPR0, iPR1;
private Image iB0, iB1, iB2, iB3, iB4, iB5, iB6, iB7, iB8, iP0, iP1;
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