Android unity3d 加載界面

var str: String;
var imageTexture :Texture;
private var imageWidth ;int;
private var imageHeight ;int;
private var screenWidth ;int;
private var screenHeight ;int;

function Start () {
screenWidth=Screen.width;
screenHeight=Screen.height;
imageWidth=imageTexture.width;
imageHeight=imageTexture.height;

}

function Update () {

GUI.Label(Rect(100,10,100,30),str);
GUI.Label(Rect(100,40,100,30),"當前屏幕寬為："+screenWidth);
GUI.Label(Rect(100,80,100,30),"當前屏幕高為："+screenHeight);
GUI.Label(Rect(100,120,imageWidth,imageHeight),imageTexture);

}