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Learn iPhone and iPad cocos2d Game Development by Steffen Itterheim

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Chapter 13. Pinball Game

I'd like to put the Box2D physics engine to good use, so in this chapter you'll be making an actual pinball game. Pinball tables are all about using our physical world and turning that into a fun experience. With a physics engine, however, you're not just limited to real-world physics.

Some elements of the pinball table, such as bumpers and balls, can be created by simply choosing the right balance of friction, restitution, and density. Others need joints to work—a revolute joint for the flippers and a prismatic joint for the plunger. And of course you'll need lots of static shapes that define the collision polygons of the table.

Since it would be impractical to define collision polygons in source code, at least for the ...

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