u3d changeTexs

using UnityEngine;
using System.Collections;
using System.Collections.Generic;

public class CTex : MonoBehaviour
{
    public List<Texture2D> tx1;
    public int mfps;
    private float m_OldTime;
    private float m_DelTime;
    private int m_NowTex;
    // Use this for initialization
    void Start ()
    {
        m_DelTime = 1.0f / mfps;
        m_OldTime = Time.time;
        m_NowTex = 0;

    }

    // Update is called once per frame
    void Update ()
    {
        float NowTime = Time.time;
       // Debug.Log("Time.time:"+ NowTime);

        if (NowTime - m_OldTime >m_DelTime)
        {

            Debug.Log("NowTex:"+ m_NowTex);
            this.renderer.material.mainTexture = tx1[m_NowTex];
            m_NowTex++;
            m_OldTime = NowTime;

            if (m_NowTex >= tx1.Count)
                m_NowTex = 0;
        }

    }
}

list是要播放的图片序列，mfps是帧率，越大图片播放的越快，越小越慢

Time.time得到的是游戏开始运行到现在的运行时间长度，单位是秒