Hexels – a new art tool
hexels.com
hexels.com
hell, this is a better homepage all together.
I know that back in the day using squares was the easiest way how to represent images on the screen, but could the exact same thing be done with hexagons nowadays?
You can represent it as row / columns with every second row or column offset, but then straight vertical / horizontal lines turn jagged.
http://www-cs-students.stanford.edu/~amitp/gameprog.html#hex
If it's important to you let me know and I'll see if I can help out.