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Chipmunk

A Chipmunk body represents an object in the Chipmunk virtual space. It can contain one or more Chipmunk shapes that represent the object’s geometry.
There are two kinds of Chipmunk bodies:
- Dynamic bodies are bodies that can move – you’ll be using these most of the time.
- Static bodies are bodies that never move – these are good to use for the ground in your game and other permanent fixtures.
- For each Chipmunk body, you can specify how much mass it has. The more mass a shape has, the harder it is to move around and the heavier it becomes.
- When you create shapes, you can specify whether they are boxes, circles, polygons, or segments (which are straight lines with a thickness). On each shape, you can set several properties, including the following:
  - elasticity: Represents how bouncy an object is. If you set this to 0, it’s not bouncy at all. If you set it to 1, it bounces back up with the same exact force it bounced down. If you set it higher to 1, it bounces away with an even higher force!
  - friction: Represents how slippery an object is. If you set this to 0, it’s extremely slippery. If you set this to 1 or higher, it’s not very slippery at all.

Programming