[LayaAir 2.0]3d坐标 转2d坐标 报错 我的 版本 是mac 和版本有关系么

3d坐标 转2d坐标 报错 我的 版本 是mac 和版本有关系么 

TypeError: Cannot read property 'elements' of undefined
preload.js:55
    at Function.Vector3.transformV3ToV3 (/Users/yons/Documents/myLaya/demopos/bin/libs/laya.d3.js:24998:25)
    at Viewport.__proto.project (/Users/yons/Documents/myLaya/demopos/bin/libs/laya.d3.js:16108:12)
    at new GameUI (/Users/yons/Documents/myLaya/demopos/src/script/GameUI.ts:38:25)
    at SceneLoader.create (/Users/yons/Documents/myLaya/demopos/bin/libs/laya.core.js:22073:12)
    at EventHandler.__proto.run (/Users/yons/Documents/myLaya/demopos/bin/libs/laya.core.js:1393:27)
    at SceneLoader.__proto.event (/Users/yons/Documents/myLaya/demopos/bin/libs/laya.core.js:1164:53)
    at SceneLoader.__proto._checkNext (/Users/yons/Documents/myLaya/demopos/bin/libs/laya.core.js:15899:11)
    at SceneLoader.__proto.onOneLoadComplete (/Users/yons/Documents/myLaya/demopos/bin/libs/laya.core.js:15953:9)
    at EventHandler.__proto.runWith (/Users/yons/Documents/myLaya/demopos/bin/libs/laya.core.js:1407:60)
    at ResInfo.__proto.event (/Users/yons/Documents/myLaya/demopos/bin/libs/laya.core.js:1164:29)