# CalculateAABB(PhysicsTransform)

> Calculate the AABB of the geometry.

## Definition

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

```csharp
public readonly PhysicsAABB CalculateAABB(PhysicsTransform transform)
```

### Parameters

**** (\[PhysicsTransform]\(/engine/6000.7/script-reference/unity/u2d/physics/physicstransform)): The transform used to specify where the geometry is positioned.

### Returns

| Type                                                                            | Description                 |
| ------------------------------------------------------------------------------- | --------------------------- |
| [PhysicsAABB](/engine/6000.7/script-reference/unity/u2d/physics/physicsaabb.md) | The bounds of the geometry. |