# smoothSphereCollisions

> Uses interpolated normals for sphere collisions instead of flat polygonal normals.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.0/script-reference/unityengine.md)
* **Assembly:** UnityEngine.PhysicsModule

> **Warning:**
>
> **Removed.** Configuring smooth sphere collisions is no longer needed.

```csharp
public bool smoothSphereCollisions { get; set; }
```

### Remarks

This smoothes out bumps for sphere's rolling over smooth surfaces. The downside is that rolling over steep corners can behave really strangely and appears like it is pulling the sphere in some direction.