NGUI UIButton をロングタップ対応

sample

[RequireComponent(typeof(UIButtonLongTapComponent))]
public class ButtonComponent : MonoBehaviour
{
  
	void Awake()
	{
		this.gameObject.GetComponent<UIButtonLongTapComponent>().SetButtonAction(OnShortTapButton, OnLongTapItemButton, true);
	}
	
	public void OnShortTapButton()
	{
//	  Tap時のしょり
	}

	public void OnLongTapItemButton()
	{
	  // ロングタップ時の処理
	}
}

UIButtonLongTapComponent

using UnityEngine;
using System.Collections;
using System;


[RequireComponent(typeof(UIButton))]
public class UIButtonLongTapComponent : MonoBehaviour
{

	[SerializeField]
	float intervalAction = 1.0f;

	float firstTapTime = 0f;
	bool isHoldAction;
	// 押しっぱなし時に呼び出すAction
	public Action OnLongTap = null;
	public Action OnShortTap = null;

	bool isPressing = false;

	void Update()
	{
		if (isPressing && isHoldAction && (firstTapTime + intervalAction < Time.realtimeSinceStartup)) {
			isPressing = false;
			LongTap ();
		}
	}

	void OnPress (bool pressed)
	{
		isPressing = pressed;
		if (pressed) {
			firstTapTime = Time.realtimeSinceStartup;
		}
		else
		{
			bool isLongTap = firstTapTime + intervalAction < Time.realtimeSinceStartup;
			if (!isHoldAction && isLongTap)
				LongTap();
			else if(!isLongTap)
				ShortTap();
		}
	}
	
	public void SetButtonAction(Action shortTap, Action longTap, bool isHoldLongTap) {
		isHoldAction = isHoldLongTap;
		OnLongTap = longTap;
		OnShortTap = shortTap;
	}

	public void CleanAction()
	{
		OnLongTap = null;
	}
	
	public void LongTap()
	{
		if (OnLongTap != null)
			OnLongTap ();
	}
	public void ShortTap()
	{
		if (OnShortTap != null)
			OnShortTap ();
	}

}