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

# OnMouseDown 関数

Collider コンポーネントや GUI 要素上でのマウスクリックを検出する方法を学習します。

Collider や GUI 要素上でのマウスクリックを検出する方法を学びます。

本チュートリアルは [Beginner Scripting プロジェクト](https://learn.unity.com/project/beginner-gameplay-scripting)に含まれています。

前回のチュートリアルは：[GetAxis](https://learn.unity.com/tutorial/getaxis-o?projectId=5c8920b4edbc2a113b6bc26a)

次のチュートリアルは：[GetComponent](https://learn.unity.com/tutorial/getcomponent?projectId=5c8920b4edbc2a113b6bc26a)

## 1. OnMouseDown 関数

[Video](http://www.youtube.com/watch?v=c69oZprM1oc)

## **MouseClick**

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

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