游戏 gui button

using UnityEngine;
using System.Collections;

public class Gui : MonoBehaviour {


    public Texture2D buttonTexture;

    private string str;

    private int frameTime; 


    // Use this for initialization
    void Start () {
        str="请您点击按钮";
    }
    
    // Update is called once per frame
    void Update () {
    
    }

    void OnGUI()
    {
        GUI.Label (new Rect (10, 10, Screen.width, 30), str);

        if (GUI.Button (new Rect (10, 50, buttonTexture.width, buttonTexture.height), buttonTexture)) {
                
            str="您点击了图片按钮";
        }
        GUI.color = Color.green;
        GUI.backgroundColor = Color.red;
        if (GUI.Button (new Rect (10, 400, 70, 30), "文字按钮")) {
        
            str="您点击了文字按钮";
        }

        GUI.color = Color.yellow;
        GUI.backgroundColor = Color.black;

        if (GUI.RepeatButton (new Rect (10, 500, 100, 30), "按钮按下中")) {
                
            str=frameTime+"";
            frameTime++;
        }

    }
}