garden_client/Assets/Script/Manage/ManaMessage.cs

using UnityEngine;
using UnityEngine.UI;

using System.Collections;

public class ManaMessage : MonoBehaviour 
{
    #region 变量

    private static float StayTimer;
    private static Text MessageLab;

    #endregion

    private void Awake()
    {
        MessageLab = ManaReso.Get<Text>("Message");
    }

    private void FixedUpdate()
    {
        if (MessageLab.color.a > 0)
        {
            StayTimer -= Time.fixedDeltaTime;
            if (StayTimer > 0)
            {
                return;
            }

            MessageLab.SetAlpha(Mathf.Lerp(MessageLab.color.a, 0, Time.fixedDeltaTime));

            if (MessageLab.color.a <= 0.05f)
            {
                MessageLab.SetAlpha(0);
            }
        }
    }


    public  static void Show(string message, float stayTime)
    {
        MessageLab.text = message;
        MessageLab.SetAlpha(1);
        StayTimer = stayTime;
    }
}