This is a great little demo video showing how the Vive controller can be shown in-game. The controller is used as a brush to place and remove blocks. For demo video purposes, seeing the controller this way really helps the viewer imagine what it would be like to use it in VR.
Video 1:
MP4 video at the source:
Video 2:
Video 3: Roller coaster building
Video 1:
MP4 video at the source:
Garry Newman ‏@garrynewman
ViveCraft by @metapyziks
http://files.facepunch.com/ziks/2015/June/25/2015-06-25-1643-26.mp4
8:50 am - 25 Jun 2015
Video 2:
Video 3: Roller coaster building