Input.GetAccelerationEvent 获取加速度事件

# [Input](Input.html).GetAccelerationEvent 获取加速度事件

static function *GetAccelerationEvent* (*index* : int) : [AccelerationEvent](../AccelerationEvent/AccelerationEvent.html)

*Description* 描述

Returns specific acceleration measurement which occurred during last frame
(Does not allocate temporary variables).

返回上一帧发生的指定的加速度测量（不允许分配临时变量）。

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

```
using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
	void Update() {
		Vector3 acceleration = Vector3.zero;
		int i = 0;
		while (i < Input.accelerationEventCount) {
			AccelerationEvent accEvent = Input.GetAccelerationEvent(i);
			acceleration += accEvent.acceleration * accEvent.deltaTime;
			++i;
		}
		print(acceleration);
	}
}
```

```
// Calculates weighted sum of acceleration measurements which occurred during the last frame
// Might be handy if you want to get more precise measurements
//计算加速度测量加权求和，发生在最后一帧可能会很方便，如果你想获得更精确的测量

function Update () {
	var acceleration:Vector3 = Vector3.zero;
	for (var i = 0; i < Input.accelerationEventCount; ++i) {
		var accEvent:AccelerationEvent = Input.GetAccelerationEvent(i);
		acceleration += accEvent.acceleration * accEvent.deltaTime;
	}
	print (acceleration);
}
```