---
title: "init(distance:primitiveIndex:bufferIndex:)"
framework: metalperformanceshaders
role: symbol
role_heading: Initializer
path: "metalperformanceshaders/mpsintersectiondistanceprimitiveindexbufferindex/init(distance:primitiveindex:bufferindex:)"
---

# init(distance:primitiveIndex:bufferIndex:)

## Declaration

```swift
init(distance: Float, primitiveIndex: UInt32, bufferIndex: UInt32)
```