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CREDITS.md

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+# Sources / Inspiration / Documentation
+
+## AStar algorithm
+http://theory.stanford.edu/~amitp/GameProgramming/ImplementationNotes.html
+
+https://en.wikipedia.org/wiki/A*_search_algorithm
+
+http://theory.stanford.edu/~amitp/GameProgramming/AStarComparison.html
+
+https://www.redblobgames.com/pathfinding/a-star/introduction.html
+
+## RDP algorithm 
+https://rosettacode.org/wiki/Ramer-Douglas-Peucker_line_simplification
+
+https://en.wikipedia.org/wiki/Ramer%E2%80%93Douglas%E2%80%93Peucker_algorithm
+
+http://www.theholymath.com/2016/07/02/turning-gps-route-network/
+
+http://www.theholymath.com/2016/07/06/calculus-iii-can-help-us-identify-ambiturners/
+
+## Similar projects
+[OO_pathfinding by code34](https://github.com/code34/oo_pathfinding.altis)
+