loader.create 这个接口 能否支持不创建3Dscene对象, 或者新扩展一个接口 只下载对应的3D资源. 不创建3DScene,
因为 当网络异常的时候资源会下载失败,但是底层还是会创建3D对象, 底层一定会报错
{"message":"gameThirdScriptError
Cannot read property '_addReference' of undefined;at api request success callback function
TypeError: Cannot read property '_addReference' of undefined
at t.<anonymous> ([url=https://usr/game.js:49:8301]https://usr/game.js:49:8301[/url])
at e.n._parse ([url=https://usr/game.js:66:1995]https://usr/game.js:66:1995[/url])
at Function.t._createNodeByJson ([url=https://usr/game.js:46:14129]https://usr/game.js:46:14129[/url])
at Function.t._createNodeByJson ([url=https://usr/game.js:46:13903]https://usr/game.js:46:13903[/url])
at Function.t._createNodeByJson ([url=https://usr/game.js:46:13903]https://usr/game.js:46:13903[/url])
at Function.e._parse ([url=https://usr/game.js:61:23198]https://usr/game.js:61:23198[/url])
at e._onHierarchyInnerFirstLevResouLoaded ([url=https://usr/game.js:49:26934]https://usr/game.js:49:26934[/url])
at t.e.run ([url=https://usr/game.js:31:21504]https://usr/game.js:31:21504[/url])
at l ([url=https://usr/game.js:36:26306]https://usr/game.js:36:26306[/url])
at t.e.runWith ([url=https://usr/game.js:31:21682]https://usr/game.js:31:21682[/url])","stack":""}
只要弱网 或者 无网络 加载 一个3d 预设 必定报这个错误...
