Unity3D GUI图形用户界面系统

1.skin变量

using UnityEngine;
using System.Collections;

public class Skin : MonoBehaviour
{

    public GUISkin[] gskin;//GUISkin资源引用
    public int skin_Index = 0;
    
    void Update ()
    {
        if (Input.GetKeyDown(KeyCode.Space))
        {
            skin_Index++;
            if (skin_Index >= gskin.Length)
            {
                skin_Index = 0;
            }
        }
    }

    void OnGUI()
    {
        GUI.backgroundColor = Color.red;//设置背景颜色
        GUI.color = Color.yellow;//设置颜色
        GUI.skin = gskin[skin_Index];//设置皮肤
        GUI.contentColor = Color.green;//设置文本颜色
        if (GUI.Button(new Rect(0,0,Screen.width/10,Screen.height/10),"a button"))//创建按钮
        {
            Debug.Log("button has been pressed");//打印点击信息
        }
        GUI.Label(new Rect(Screen.height/10,Screen.width/10,Screen.height/5, Screen.width /5),"Hellow World");
        GUI.Box(new Rect(Screen.height / 5, Screen.width / 10, Screen.height / 5, Screen.width / 5), "a Box");
    }

}

将该脚本挂载到摄像机上后，为其gskin变量挂载两个或两个以上的GUISkin资源，运行 后可以通过敲击空格键切换预定的皮肤。