canvas
drawing function - paper js under development
o o o-o o o o o | | | \ | | | / | | | O | | OO | | | / | | | \ o-o o-o o-o o o
drawing function - paper js under development
o o o-o o o o o | | | \ | | | / | | | O | | OO | | | / | | | \ o-o o-o o-o o o