---
tags:
    - "Physics"
    - "Fixed"
    - "Update"
    - "Step"
    - "Interval"
    - "Delta"
---

# Set Fixed Delta Time

[Time](index.md) / **Set Fixed Delta Time**

## Description

Sets the interval in seconds at which physics and fixed frame updates are performed

## Parameters

| Name | Description |
| :--- | :---------- |
| Fixed Delta Time | The fixed time step in seconds used by the physics update |

## Code

```cs
using System;
using UnityEngine;
using VisualScript.Icons;

namespace VisualScript.Runtime
{
    [Title("Set Fixed Delta Time")]
    [Image(typeof(IconClock), ColorTheme.Type.Blue, typeof(BadgeDelta))]

    [Description("Sets the interval in seconds at which physics and fixed frame updates are performed")]
    [Category("Time/Set Fixed Delta Time")]

    [Parameter("Fixed Delta Time", "The fixed time step in seconds used by the physics update")]

    [Keywords("Physics", "Fixed", "Update", "Step", "Interval", "Delta")]

    [Serializable]
    public class InstructionCoreTimeSetFixedDeltaTime : Instruction
    {
        [SerializeField] private GetNumber m_FixedDeltaTime = new GetNumber(0.02);

        protected override string GetTitle(GameObject source)
        {
            string fixedTime = TextUtils.ThemeAsKeyword("Fixed Delta Time");
            return $"Set {fixedTime} = {this.m_FixedDeltaTime}";
        }

        protected override Awaitable Run(Args args)
        {
            Time.fixedDeltaTime = Mathf.Max(0f, (float) this.m_FixedDeltaTime.Get(args));
            return Done;
        }
    }
}
```