Input.mousePosition 鼠标位置

# [Input](Input.html).mousePosition 鼠标位置

static var *mousePosition* : [Vector3](../Vector3/Vector3.html)

*Description* 描述

The current mouse position in pixel coordinates. (Read Only)

当前所在像素坐标的鼠标位置（只读）。

The bottom-left of the screen or window is at (0, 0). The top-right of the
screen or window is at ([Screen.width](../Screen/Screen.width.html),
[Screen.height](../Screen/Screen.height.html)).

屏幕或窗口的左下角是坐标系的（0,0）坐标。右上角的坐标是（屏幕宽度值，屏幕高度值）。

* [C#](#)
* [JavaScript](#)

```
using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
	public GameObject particle;
	void Update() {
		if (Input.GetButtonDown("Fire1")) {
			Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
			if (Physics.Raycast(ray))
				Instantiate(particle, transform.position, transform.rotation);

}
	}
}
```

```
var particle : GameObject;
function Update () {
	if (Input.GetButtonDown ("Fire1")) {
		// Construct a ray from the current mouse coordinates
		// 从当前鼠标坐标创建一条射线
		var ray : Ray = Camera.main.ScreenPointToRay (Input.mousePosition);
		if (Physics.Raycast (ray)) {
			// Create a particle if hit
			//如果检测到碰撞就创建一个粒子
			Instantiate (particle, transform.position, transform.rotation);
		}
	}
}
```