garden_client/Assets/Script/Object/Hud/HudText.cs

using UnityEngine;
using UnityEngine.UI;

using System;
using System.Collections;

public class HudText : ObjRoot 
{
    #region 变量

    public Text Text
    {
        get
        {
            if (_Text == null)
            {
                _Text = GetComponent<Text>();
            }

            return _Text;
        }
        set { _Text = value; }
    }

    private Text _Text;

    #endregion

    private void FixedUpdate()
    {
        transform.position += new Vector3(0, 7.5f*Time.fixedDeltaTime, 0);

        Text.SetAlpha(Mathf.Lerp(Text.color.a, 0, Time.fixedDeltaTime*2));

        if (Text.color.a <= 0.05f)
        {
            ManaReso.Save(gameObject);
        }
    }

    public void Show(string str, Color color)
    {
        Text.text = str;
        Text.color = color;
    }
}