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title: "OnMouseDown"
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difficulty: beginner
duration_minutes: 5
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last_updated: "2026-08-04T14:22:29.000Z"
---

# OnMouseDown

学习如何检测碰撞体组件或 GUI 元素上的鼠标点击事件。

如何检测碰撞体或 GUI 元素上的鼠标点击。

本教程包含在“[初级编程](https://learn.unity.com/project/chu-ji-bian-cheng?language=zh)”项目中。

上一教程：[GetAxis](https://learn.unity.com/tutorial/getaxis-o-1?language=zh&projectId=5e3afd88edbc2a2998252c77)

下一教程：[GetComponent](https://learn.unity.com/tutorial/getcomponent-1?language=zh&projectId=5e3afd88edbc2a2998252c77)

## 1. OnMouseDown

[Video](https://connect-mediagw.unity.com/h1/20200206/videos/ffed16f3-9b7b-40a7-b120-e3e28612cade_18_C__OnMouseDown_in_Unity!___Beginner_Scripting_Tutorial.mp4) ([Transcript (zh_cn)](https://connect-mediagw.unity.com/h1/20200206/9490303d-4f07-44a7-8b45-08bd6544f342_18_C__OnMouseDown_in_Unity____Beginner_Scripting_Tutorial___Chinese.vtt))

## **MouseClick**

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

public class MouseClick : MonoBehaviour
{
    void OnMouseDown ()
    {
        rigidbody.AddForce(-transform.forward * 500f);
        rigidbody.useGravity = true;
    }
}
```