Draw in 3d! First Person Drawing Game 0.1

Now with this .blend file you can draw in full-3d environment as First Person Shooting Game Style,so I call it "Draw in 3d" or "First Person Drawing Game"

DEMO VIDEO1:
https://www.facebook.com/100009834611893/videos/209058696098616/?l=57167282333021898

DEMO VIDEO2:

https://www.youtube.com/watch?v=TXL3Ev9eBXs&feature=youtu.be&t=3m32s