Unity3D笔记 愤怒的小鸟<四> 实现Selelction界面

using UnityEngine;
using System.Collections;

public class selectGUI : MonoBehaviour
{
    public GUISkin mySkin;
    /// <summary>
    /// 返回按钮
    /// </summary>
    private Rect backPosition = new Rect(40, 280, 50, 50);
    /// <summary>
    /// 按钮1
    /// </summary>
    private Rect level1Position = new Rect(60, 10, 100, 100);
    /// <summary>
    /// 按钮2
    /// </summary>
    private Rect level2Position = new Rect(220, 10, 100, 100);
    /// <summary>
    /// 按钮3
    /// </summary>
    private Rect level3Position = new Rect(380, 10, 100, 100);
    /// <summary>
    /// 按钮4
    /// </summary>
    private Rect level4Position = new Rect(60, 160, 100, 100);
    /// <summary>
    /// 按钮5
    /// </summary>
    private Rect level5Position = new Rect(220, 160, 100, 100);
    /// <summary>
    /// 按钮6
    /// </summary>

    private Rect level6Position = new Rect(380, 160, 100, 100);
    // Use this for initialization
    void Start()
    {

    }

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

    }

    void OnGUI()
    {
        GUI.skin = mySkin;
        if (GUI.Button(level1Position,"",GUI.skin.GetStyle("LevelButton1")))
        {
            Application.LoadLevel(4);
        }
        if (GUI.Button(level2Position, "", GUI.skin.GetStyle("LevelButton2")))
        {
            Application.LoadLevel(4);
        }
        if (GUI.Button(level3Position, "", GUI.skin.GetStyle("LevelButton3")))
        {
            Application.LoadLevel(4);
        }
        if (GUI.Button(level4Position, "", GUI.skin.GetStyle("LevelButton4")))
        {
            Application.LoadLevel(4);
        }
        if (GUI.Button(level5Position, "", GUI.skin.GetStyle("LevelButton5")))
        {
            Application.LoadLevel(4);
        }
        if (GUI.Button(level6Position, "", GUI.skin.GetStyle("LevelButton6")))
        {
            Application.LoadLevel(4);
        }
        if (GUI.Button(backPosition, "", GUI.skin.GetStyle("BackButton")))
        {
            Application.LoadLevel(2);
        }
    }
}