Unity3D代码——鼠标拖动图片

var pTemp:Texture;
var posTexture:Rect;

function Awake()
 {
   posTexture.width=pTemp.width;
   posTexture.height=pTemp.height;
 }
function OnGUI()
 {
  posTexture=GUI.Window(0,posTexture,popWin,"");
 }
function popWin(winId:int)
 {
  GUI.DrawTexture(Rect(0,0,posTexture.width,posTexture.height),pTemp);
  GUI.DragWindow();
 }