| Box2D 2.2.1 A 2D Physics Engine for Games

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Here is a list of all documented class members with links to the class documentation for each member:

### - r -

- ratio : b2GearJointDef , b2PulleyJointDef
- RayCast() : b2DynamicTree , b2PolygonShape , b2Shape , b2ChainShape , b2Fixture , b2World , b2BroadPhase , b2CircleShape , b2EdgeShape
- RebuildBottomUp() : b2DynamicTree
- referenceAngle : b2WeldJointDef , b2PrismaticJointDef , b2RevoluteJointDef
- Refilter() : b2Fixture
- ReportFixture() : b2QueryCallback , b2RayCastCallback
- Reset() : b2Timer
- ResetFriction() : b2Contact
- ResetMassData() : b2Body
- ResetRestitution() : b2Contact
- restitution : b2FixtureDef
- revision : b2Version

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