| Box2D 2.2.1 A 2D Physics Engine for Games

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b2ContactID Union Reference

Contact ids to facilitate warm starting. More...

`#include <b2Collision.h>`

List of all members.

## Public Attributes

b2ContactFeature | cf
uint32 | key
| Used to quickly compare contact ids.

## Detailed Description

Contact ids to facilitate warm starting.

The documentation for this union was generated from the following file:

- b2Collision.h

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