---
title: "init(distance:primitiveIndex:instanceIndex:coordinates:)"
framework: metalperformanceshaders
role: symbol
role_heading: Initializer
path: "metalperformanceshaders/mpsintersectiondistanceprimitiveindexinstanceindexcoordinates/init(distance:primitiveindex:instanceindex:coordinates:)"
---

# init(distance:primitiveIndex:instanceIndex:coordinates:)

## Declaration

```swift
init(distance: Float, primitiveIndex: UInt32, instanceIndex: UInt32, coordinates: vector_float2)
```