记录美好

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

/// <summary>
/// 修改贴图
/// </summary>
public class ChangeTextrue : MonoBehaviour {


    //1.找到要改变纹理的模型
    //2.动态加载文件夹里的纹理

    private Texture2D myTexture;
    private string serialNumber;
    private int number = 1;


    void Start () {

    }

    // Update is called once per frame
    void Update()
    {

        bool Left = Input.GetKeyDown(KeyCode.LeftArrow);//检测按键是否被按下，并在被释放前仅运行一次
        bool Right = Input.GetKeyDown(KeyCode.RightArrow);
        if (Left == true)
        {
            if (number <= 1)
            {
                number = 1;
            }
            else
            {
                number--;
            }
            
        }
        if (Right == true)
        {
            if (number >= 4)
            {
                number = 4;
            }
            else
            {
                number++;
            }
        }
        //文件路径
        serialNumber = "Images/Screen/" + System.Convert.ToString(number);//变量类型转换
        //使用Resources.Load动态加载当前图像，得到的是Object类型。模型纹理为Texture类型，所以需要强制类型转换
        myTexture = (Texture2D)Resources.Load(serialNumber);
        //将当前模型纹理进行修改
        GetComponent<Renderer>().material.mainTexture = myTexture;
    }
}