/sci/ - Science & Math » Thread #11272583

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Anonymous Thu 02 Jan 23:25:29 2020 No.11272583 View Reply Original Report

Quoted By: >>11272605 >>11272694 >>11273988 >>11274011

Any resources on map generation algorithms? How they work, math behind them, that sort of stuff. Specifically looking for something that can generate spherical topographical maps for a planet-scale tabletop RPG.

Anonymous

Anonymous Thu 02 Jan 2020 23:32:35 No.11272605 Report

Quoted By:

>>11272583
Try implementing simplex noise, using the height map to adjust the radius of your sphere at each angle theta and psi.

It won't look as great as the years of work put into DF's map gen, but you can then take that code and plug better generation algorithms into it with ease.

Anonymous

Anonymous Thu 02 Jan 2020 23:37:17 No.11272620 Report

Quoted By: >>11272656 >>11272658 >>11273978

would it be possible to analyze real maps and find some "rules" which apply to different locations e.g. dessert / shores / mountains

Anonymous

Anonymous Thu 02 Jan 2020 23:50:31 No.11272656 Report

Quoted By:

>>11272620
I think you are talking about procedural generation: https://en.wikipedia.org/wiki/Procedural_generation

Anonymous

Anonymous Thu 02 Jan 2020 23:51:33 No.11272658 Report

Quoted By:

>>11272620
>would it be possible to analyze real maps and find some "rules" which apply to different locations e.g. dessert / shores / mountains
I think this is probably not worth it - just find an algorithm that's out there already.

Anonymous

Anonymous Fri 03 Jan 2020 00:08:53 No.11272694 Report

Quoted By: >>11273887

>>11272583
How experienced are you with programming? Procedural generation is whatever you make of it, really. Not difficult.

Anonymous

Anonymous Fri 03 Jan 2020 10:59:59 No.11273887 Report

Quoted By: >>11273991 >>11274461

>>11272694
I'm decent at C++ and Python, but never had any experience with graphics libraries like OpenGL.

Anonymous

Anonymous Fri 03 Jan 2020 12:32:57 No.11273978 Report

Quoted By:

>>11272620
Deserts appear around the tropics because of the Hadley cells

Anonymous

Anonymous Fri 03 Jan 2020 12:43:11 No.11273988 Report

Quoted By:

>>11272583
>>>/tg/ might have such tools, OP.

Anonymous

Anonymous Fri 03 Jan 2020 12:50:07 No.11273991 Report

Quoted By:

>>11273887
how old are u? That sucks. First thing u should do is mastering graphics api

Anonymous

Anonymous Fri 03 Jan 2020 13:05:51 No.11274011 Report

Quoted By:

>>11272583
http://www-cs-students.stanford.edu/~amitp/game-programming/polygon-map-generation/

Anonymous

Anonymous Fri 03 Jan 2020 17:30:05 No.11274461 Report

Quoted By:

>>11273887
OpenGL is overki for something like this. Procedural generation involves replicating your mind's patterns of development - make some ovals and cut random rectangles into them, add mountains in spurts, etc etc... The graphics rendering part is simply turning this mathematical representation into a picture. If you can create that math representation, use a more front end graphics library to develop the picture

Anonymous

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Anonymous Fri 03 Jan 2020 17:31:29 No.11274464 Report

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