Take a look at this video [1] for explanation, and possibly other Extra Credits videos if you're interested in game design. [1]: https://www.youtube.com/watch?

Take a look at this video [1] for explanation, and possibly other Extra Credits videos if you're interested in game design. [1]: https://www.youtube.com/watch?v=tWtvrPTbQ_c https://www.youtube.com/watch?v=tWtvrPTbQ_c