---
title: "+=(_:_:)"
framework: spatial
role: symbol
role_heading: Operator
path: "spatial/point3dfloat/+=(_:_:)-1x97i"
---

# +=(_:_:)

Calculates the point that’s the element-wise sum of a point and a vector and stores the result in the left-hand-side variable.

## Declaration

```swift
static func += (lhs: inout Point3DFloat, rhs: Vector3DFloat)
```

## Parameters

- `lhs`: The first value.
- `rhs`: The second value.