GUI.skin 皮肤

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
	public GUISkin[] s1;
	private float hSliderValue = 0.0F;
	private float vSliderValue = 0.0F;
	private float hSValue = 0.0F;
	private float vSValue = 0.0F;
	private int cont = 0;
	void Update() {
		if (Input.GetKeyDown(KeyCode.Space))
			cont++;

	}
	void OnGUI() {
		GUI.skin = s1[cont % s1.Length];
		if (s1.Length == 0) {
			Debug.LogError("Assing at least 1 sking on the array");
			return;
		}
		GUI.Label(new Rect(10, 10, 100, 20), "Hello World!");
		GUI.Box(new Rect(10, 50, 50, 50), "A BOX");
		if (GUI.Button(new Rect(10, 110, 70, 30), "A button"))
			Debug.Log("Button has been pressed");

		hSliderValue = GUI.HorizontalSlider(new Rect(10, 150, 100, 30), hSliderValue, 0.0F, 10.0F);
		vSliderValue = GUI.VerticalSlider(new Rect(10, 170, 100, 30), vSliderValue, 10.0F, 0.0F);
		hSValue = GUI.HorizontalScrollbar(new Rect(10, 210, 100, 30), hSValue, 1.0F, 0.0F, 10.0F);
		vSValue = GUI.VerticalScrollbar(new Rect(10, 230, 100, 30), vSValue, 1.0F, 10.0F, 0.0F);
	}
}

//定义皮肤数组，在检视面板添加几个定义皮肤进来测试效果
var s1 : GUISkin[];

private var hSliderValue : float = 0.0;
private var vSliderValue : float = 0.0;
private var hSValue : float = 0.0;
private var vSValue : float = 0.0;
private var cont : int = 0;

function Update() {
	if(Input.GetKeyDown(KeyCode.Space))
		//按空格累加cont数
		cont++;
}

function OnGUI() {
	//通过你指定的数组长度和空格累加数求余来指定皮肤
	GUI.skin = s1[cont%s1.Length];	
	if(s1.Length == 0){
		Debug.LogError("Assing at least 1 sking on the array");
		//如果不指定皮肤文件，则返回，不执行下面的代码。
		return;
	}
	//下面是几个GUI元素
	GUI.Label(Rect(10, 10, 100, 20), "Hello World!");
	GUI.Box(Rect(10, 50, 50, 50), "A BOX");
	if (GUI.Button(Rect(10,110,70,30), "A button"))
		Debug.Log("Button has been pressed");
	hSliderValue = GUI.HorizontalSlider(Rect(10, 150, 100, 30), hSliderValue, 0.0, 10.0);
	vSliderValue = GUI.VerticalSlider(Rect(10, 170, 100, 30), vSliderValue, 10.0, 0.0);
	hSValue = GUI.HorizontalScrollbar(Rect(10, 210, 100, 30), hSValue, 1.0, 0.0, 10.0);
	vSValue = GUI.VerticalScrollbar(Rect(10, 230, 100, 30), vSValue, 1.0, 10.0, 0.0);
}