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  Simple ai to generate lakes on a map  (Read 2246 times)
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Offline rbervini

Junior Newbie




Java games rock!


« Posted 2005-02-21 04:35:46 »

I am searching an algorythm to create lakes on an array map[][].
The algorythm should select a random place a create a lake (with a random size) but with a regular shape (not with tiles around everywhere).

Does anywone know some guide, tutorial or can explain me how to do it?
Offline digitprop

Junior Devvie





« Reply #1 - Posted 2005-02-21 07:47:00 »

Two ideas:

a) Place a number of random 'hot spots', then include everything within a given radius from these hot spots. Then smooth the edges.

b) Fractal approach: Generate a random, convex polygon. Then iteratively replace each edge by a number of shorter edges, randomly displaced. The random factor should decrease with the scale, until you reach pixel / tile level.

M. Fischer . www.digitprop.com
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