---
title: "init(deltaTime:commandBuffer:computeEncoder:)"
framework: Compute Graph
role: symbol
role_heading: Initializer
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, tvOS 27.0+, visionOS 27.0+]
path: "computegraph/computegraphsimulation/advanceparams/init(deltatime:commandbuffer:computeencoder:)"
---

# init(deltaTime:commandBuffer:computeEncoder:)

Creates advance parameters with the required Metal objects.

## Declaration

```swift
init(deltaTime: Float, commandBuffer: any MTLCommandBuffer, computeEncoder: any MTLComputeCommandEncoder)
```

## Parameters

- `deltaTime`: The time interval, in seconds, to advance the simulation.
- `commandBuffer`: The command buffer to encode simulation commands into.
- `computeEncoder`: The compute command encoder to use.