I'm making a circle shaped world. I'm not far enough to show the idea with game yet, but this should give you the idea:
http://upload.wikimedia.org/wikipedi...Order7.svg.png
Center of gravity is in the middle of the planet, and player feet are always towards it. Imagine walking on that "spiky" surface, there are these "holes" on all 6 sides of it. And i believe this is solved by adding triangles outside the hexagons to fill the gaps.
And not just the planet surface, but some caves inside. If not natural caves, then digged ones. Idea similar to
http://i146.photobucket.com/albums/r...fullscreen.jpg
Hmm.. know what, i would get much easier by doing this with square tiles. I could add triangles between edges with it aswell. And it might even look much better, not to mention easier math around it.
1 tile from 4 triangles and i could also leave 2 triangles hidden depending on corner, instead of adding new ones between tiles. This would also increase the rendering performance. I have to consider the options...
http://i.stack.imgur.com/ssaaS.png
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