显示有多少个手指头按上屏幕

touchit.cs

using UnityEngine;
using System.Collections;

public class touchit : MonoBehaviour {

	private string result = "none";

	// Use this for initialization
	void Start () {
	
	}
	
	// Update is called once per frame
	void Update () {
		int fingerCount = 0;
		foreach (Touch touch in Input.touches) {
			if (touch.phase != TouchPhase.Canceled || touch.phase != TouchPhase.Ended) {
				fingerCount++;
			}
		}

		if (fingerCount > 0)
			result = "You have " + fingerCount + " fingers touching the screen.";
	}

	void OnGUI () {
		GUI.Label (new Rect (0.0f, 0.0f, 1000.0f, 20.0f), result);
	}
}