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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
i think we googled the same things lol
If I may give you one piece of advice to get the code to run much faster:
GET THAT SQRT OUT OF YOUR LOOP!!!!(no hard feelings)
it will be called every loop iteration and it will probably be responsible for 90% of the time
this loop takes.