Friker/alg-vis — comment on commit 106e8a0c3e7cbb94b7aa5130096d2b2a35663882
File: src/algvis/bst/BSTNode.java line 345
By kuk0:

this is a very non-OOP way... why should root "petrify" all the nodes?
petrify(int c) should petrify itself and call left.petrify, right.petrify (if they are not null)