Chapter 7. Scrolling with Joy

Continuing with the beginnings of the game from the previous chapter, I now want to turn it into something resembling an actual shoot-'em-up game. The very first thing will be to make the player's ship controllable. Acceleromater controls don't make sense in this case; a virtual joypad would be much more appropriate. But instead of reinventing the wheel, we'll be using a cool source code package called SneakyInput to add a virtual joypad to this cocos2d game.

Moving the player's ship around is just one thing. We also want the background to scroll, to give the impression of moving into a certain direction. For this to happen we'll implement our own solution for parallax scrolling, since CCParallaxNode is too limited ...

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