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# 2D octagonal tile map?

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### #1Mellkor  Members   -  Reputation: 117

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Posted 13 October 2013 - 08:43 AM

Looking at different types of tile arrays, Seems like an octagonal array would be the most flexible for a 2d rpg but i cant see any articles on people implementing them. Why is this?

### #2SiCrane  Moderators   -  Reputation: 8535

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Posted 13 October 2013 - 08:48 AM

I'm not sure what you mean by a octagonal array. If you mean a map made up of regular octagons, the primary problem would be that regular octagons don't tessellate.

### #3Mellkor  Members   -  Reputation: 117

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Posted 13 October 2013 - 08:57 AM

I'm not sure what you mean by a octagonal array. If you mean a map made up of regular octagons, the primary problem would be that regular octagons don't tessellate.

Ah ok, I see now. pitty

### #4Anthony Serrano  Members   -  Reputation: 744

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Posted 13 October 2013 - 01:27 PM

Yup, the big issue is that the only shapes that by themselves tesselate a 2D plane are triangles, quadrilaterals, and hexagons.

### #5SiCrane  Moderators   -  Reputation: 8535

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Posted 13 October 2013 - 01:53 PM

No, there are other shapes that have monohedral tessellations. The Hirschhorn tiling, for example, uses a single pentagon shape. They just aren't useful for conventional game maps.

### #6Anthony Serrano  Members   -  Reputation: 744

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Posted 13 October 2013 - 07:27 PM

I stand corrected. Spiral tesselations and the like had completely slipped my mind.

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