var scene:Scene=Scene.load("LayaScene_Main/Main.ls");
Laya.stage.addChild(scene);
camera = Laya.stage.getChildByName("Main Camera") as Camera;
.......
camera.viewportPointToRay(point, ray);
提示错误：Cannot read property 'viewportPointToRay' of null"
附件：
H5Dev.rar
