# init(scale:rotation:translation:) Creates a new transformation using the given values. ``` init(scale: SIMD3 = SIMD3(x: 1, y: 1, z: 1), rotation: simd_quatf = simd_quaternion(0, 0, 0, 1), translation: SIMD3 = SIMD3(x: 0, y: 0, z: 0)) ``` ## Parameters `scale` A scale factor. `rotation` The rotation given as a unit quaternion. `translation` The translation, or position along the x, y, and z axes. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)