CodingTrain / CodingTrain/Suggestion-Box

Challenge: Hydraulic Erosion

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Description

I recently came across a [video by Sebastian Lague](https://www.youtube.com/watch?v=eaXk97ujbPQ) where he explores how to simulate the erosion due to rain of a random height map.

![Screenshot from 2019-06-19 13-30-53](https://user-images.githubusercontent.com/20684114/59765693-84aa1700-9296-11e9-9400-f6974e773c9d.png)

His [code is available](https://github.com/SebLague/Hydraulic-Erosion), and the method is presented clearly in a [bachelor's thesis by Hans Theobald Beyer](https://www.firespark.de/resources/downloads/implementation%20of%20a%20methode%20for%20hydraulic%20erosion.pdf). The essential idea is relatively simple, and the results are quite visually striking, so it would be suitable for a short coding challenge.

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