# Editor viewhelper

**URL:** <https://discourse.threejs.org/t/editor-viewhelper/28342>\
**Category:** Questions\
**Tags:** quaternion\
**Created:** [July 26, 2021, 9:16am UTC](https://discourse.threejs.org/t/editor-viewhelper/28342 "2021-07-26T09:16:23Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Qiumeng12](https://yyz1.discourse-cdn.com/flex035/user_avatar/discourse.threejs.org/qiumeng12/32/19371_2.png) [@Qiumeng12](https://discourse.threejs.org/u/Qiumeng12)\
**Post date:** [July 26, 2021, 9:16am UTC](https://discourse.threejs.org/t/editor-viewhelper/28342/1 "2021-07-26T09:16:23Z")

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I’m looking at the viewhelper source code of editor. Why should I set the coordinates to (0,0,1) when updating the coordinates of the camera