# Clamp01(float)

> Clamps value between 0 and 1 and returns value.

## Definition

* **Type:** Method
* **Namespace:** [UnityEngine](/engine/6000.0/script-reference/unityengine.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
public static float Clamp01(float value)
```

### Parameters

**** (\[float]\(https\://learn.microsoft.com/dotnet/api/system.single)): 

### Returns

| Type                                                          | Description |
| ------------------------------------------------------------- | ----------- |
| [float](https://learn.microsoft.com/dotnet/api/system.single) |             |

### Remarks

If the value is negative then zero is returned.  If value is greater than one then one is returned.

### Examples

```csharp
using UnityEngine;

public class Example : MonoBehaviour
{
    // Set the position of the transform to be that of the time
    // but never less than 0 or more than 1

    void Update()
    {
        transform.position = new Vector3(Mathf.Clamp01(Time.time), 0, 0);
    }
}
```

```csharp
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

// Print a random number every second.  This number is chosen over a
// range from startValue to endValue.  The random number is clamped
// to between zero and one by Clamp01().

public class ExampleScript : MonoBehaviour
{
    public float startValue = -0.5f;
    public float endValue = 1.5f;

    private float timeCount = 0.0f;

    void FixedUpdate()
    {
        timeCount += Time.deltaTime;

        if (timeCount > 1.0f)
        {
            float result = Random.value;
            result = result * (endValue - startValue);
            result = result + startValue;

            float clampValue = Mathf.Clamp01(result);

            Debug.Log("value: " + result.ToString("F3") + " result: " + clampValue.ToString("F3"));

            timeCount = 0.0f;
        }
    }
}
```