Chapter 17. Sprite Movement
So far, we've managed to create a bunch of sprites and draw them on the screen. But we're not painting a still life here; we're programming a game!
To make a game a game, it must read input events from the keyboard or the screen and move sprites accordingly. The game must also set up initial conditions, check controls for game operability, and provide artificial intelligence for computer-controlled characters or game moves.
Floating-Point in J2ME
Before we get too excited, though, there's one thing we're going to have to get out of the way: MIDP does not support floating-point math.
Why is floating-point math important for games? Imagine ...
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