Boing! Time to simulate a spring force! This challenge fits into chapters 2 and 3 of the Nature of Code and demonstrates how to simulate the oscillating motion of a spring using vectors and forces.
- Coding Train Challenge #63 video on cloth simulation. 
- Coding Train video on a Challenge #78 on creating a basic particle system. 
- Editingby Mathieu Blanchette 
- Animationsby Jason Heglund 



