AudioSource.PlayOneShot

# [AudioSource](https://docs.unity3d.com/cn/2019.4/ScriptReference/AudioSource.html).PlayOneShot

public void **PlayOneShot** ([AudioClip](https://docs.unity3d.com/cn/2019.4/ScriptReference/AudioClip.html) **clip**, float **volumeScale**= 1.0F);

## 参数

| clip        | 正在播放的剪辑。 |
| ------------- | ------------------ |
| volumeScale | 音量大小 (0-1)。 |

## 描述

播放 [AudioClip](https://docs.unity3d.com/cn/2019.4/ScriptReference/AudioClip.html)，并根据 volumeScale 调整 [AudioSource](https://docs.unity3d.com/cn/2019.4/ScriptReference/AudioSource.html) 音量。

[AudioSource.PlayOneShot](https://docs.unity3d.com/cn/2019.4/ScriptReference/AudioSource.PlayOneShot.html) 不取消已由 [AudioSource.PlayOneShot](https://docs.unity3d.com/cn/2019.4/ScriptReference/AudioSource.PlayOneShot.html) 和 [AudioSource.Play](https://docs.unity3d.com/cn/2019.4/ScriptReference/AudioSource.Play.html) 播放的剪辑。有关此方法与 [AudioSource.Play](https://docs.unity3d.com/cn/2019.4/ScriptReference/AudioSource.Play.html) 的差异方式的更多信息，请参阅 [AudioSource](https://docs.unity3d.com/cn/2019.4/ScriptReference/AudioSource.html)。

```
using UnityEngine;
using System.Collections;

[RequireComponent(typeof(AudioSource))]
public class ExampleClass : MonoBehaviour
{
    public AudioClip impact;
    AudioSource audioSource;

void Start()
    {
        audioSource = GetComponent<AudioSource>();
    }

void OnCollisionEnter()
    {
        audioSource.PlayOneShot(impact, 0.7F);
    }
}
```