[Home](./index.md) > [server](./server.md) > [Collider](./server.collider.md) > [bouncinessCombineRule](./server.collider.bouncinesscombinerule.md) ## Collider.bouncinessCombineRule property The bounciness combine rule of the collider. **Signature:** ```typescript get bouncinessCombineRule(): CoefficientCombineRule; ```