---
url: /api/kiln/physics/functions/physicsPlugin.md
---
[Kiln API](../../../index.md) / [kiln/physics](../index.md) / physicsPlugin

# Function: physicsPlugin()

```ts
function physicsPlugin(options?): Plugin;
```

Rapier rigid bodies synced to Transform; steps in Fixed. Uses Rapier 3D, or Rapier 2D when the
app is `mode: '2d'`. Order your own Transform/velocity writers with
`.before(CreateBodies)` (inputs) or `.after(WriteBackTransforms)` (reactions).

## Parameters

| Parameter | Type |
| ------ | ------ |
| `options` | [`PhysicsOptions`](../interfaces/PhysicsOptions.md) |

## Returns

[`Plugin`](../../interfaces/Plugin.md)