---
title: "apply(_:)"
framework: spatial
role: symbol
role_heading: Instance Method
path: "spatial/primitive3dprotocol/apply(_:)-3bne6"
---

# apply(_:)

Applies a projective transform.

## Declaration

```swift
mutating func apply(_ transform: Self.ProjectiveTransform)
```

## Parameters

- `transform`: The projective transform.
