# CalculateMatrixCallback

Type alias · category: Other

Source: https://github.com/playcanvas/engine/blob/970d89f6d3bc6667f4e1f88153abd6e7e82ed52c/src/framework/components/camera/component.js#L27

Callback used by [CameraComponent#calculateTransform](https://api.playcanvas.com/engine/classes/CameraComponent.md#calculatetransform) and [CameraComponent#calculateProjection](https://api.playcanvas.com/engine/classes/CameraComponent.md#calculateprojection).

```ts
type CalculateMatrixCallback = (transformMatrix: Mat4, view: number) => void
```