# MaxBounceIterations

> The maximum number of bounce passes a physics world can run in one simulation step.

## Definition

* **Type:** Field
* **Namespace:** [Unity.U2D.Physics](/engine/6000.7/script-reference/unity/u2d/physics.md)
* **Assembly:** UnityEngine.PhysicsCore2DModule

```csharp
public const int MaxBounceIterations = 63
```

### Remarks

See [PhysicsWorld.bounceIterations](/engine/6000.7/script-reference/unity/u2d/physics/physicsworld/bounceiterations.md) and [PhysicsWorldDefinition.bounceIterations](/engine/6000.7/script-reference/unity/u2d/physics/physicsworlddefinition/bounceiterations.md).