我有以下方法，当用户单击屏幕上的某个位置时会调用该方法:publicvoidsetup(intxi,intyi){intf=0;PerspectiveCameracamera=newPerspectiveCamera();camera.setViewport(320,508);camera.update();Raytouch=camera.getPickRay(xi,yi);while(f=13){System.out.println("SQUARE2");}elseif(f=25){System.out.println("SQUARE3");}}if(sect.intersectRa