unity label和图片 gui

#pragma strict
 
var str:String;
//接收外部复制贴图
var imageTexture:Texture;
private var imageWidth:int;
private var imageHeight:int;
private var screenWidth:int;
private var screenHeight:int;
 
function Start () {
 
	//得到屏幕宽高
	screenWidth=Screen.width;
	screenHeight=Screen.height;
 
	//得到图片宽高
	imageWidth=imageTexture.width;
	imageHeight=imageTexture.height;
}
 
function Update () {
 
}
 
function OnGUI()
{
	//见文字内容显示在屏幕中
	GUI.Label(Rect(100,10,100,30),str);
	GUI.Label(Rect(100,40,400,30),"当前屏幕宽："+screenWidth);
	GUI.Label(Rect(100,80,100,30),"当前屏幕高："+screenHeight);
 
	GUI.Label(Rect(100,120,imageWidth,imageHeight),imageTexture);
 
}