---
title: "*(_:_:)"
framework: spatial
role: symbol
role_heading: Operator
path: "spatial/rotation3d/*(_:_:)-5dxqv"
---

# *(_:_:)

Returns the spherical linear interpolation between the identity rotation and the left-hand-side rotation at the right-hand-side interpolation parameter.

## Declaration

```swift
static func * (lhs: Rotation3D, rhs: Double) -> Rotation3D
```

## Parameters

- `lhs`: The rotation.
- `rhs`: The interpolation parameter.

## See Also

### Applying arithmetic operations

- [*(_:_:)](spatial/rotation3d/*(_:_:)-1tc8f.md)
- [*(_:_:)](spatial/rotation3d/*(_:_:)-9t389.md)
- [*(_:_:)](spatial/*(_:_:).md)
- [*=(_:_:)](spatial/rotation3d/*=(_:_:).md)