Coding Challenge: Scorched Earth

The classic game of Scorched Earth would be a fun candidate for a Processing challenge. It could demonstrate a fun use of vector math for projectile physics and there's an opportunity to discuss pros and cons of different data structures for handling a dynamic destructible 2D dirt terrain.

Inspiration:

http://www.robotacid.com/PBeta/bomb_demo/index.html

https://gamedevelopment.tutsplus.com/tutorials/coding-destructible-pixel-terrain-how-to-make-everything-explode--gamedev-45