todo

[bippity]

• Use a thread pool if necessary https://docs.oracle.com/javase/tutorial/essential/concurrency/pools.html
• Tips on update method http://gamedev.stackexchange.com/questions/56956/how-do-i-make-a-game-tick-method

[bippity]

Thread pool should be unnecessary, use single thread and timer https://docs.oracle.com/javase/tutorial/uiswing/misc/timer.html

[bippity]

Space partitioning for multiple object collision http://stackoverflow.com/questions/8084525/collision-detection-with-many-objects

Use a quadtree http://gamedevelopment.tutsplus.com/tutorials/quick-tip-use-quadtrees-to-detect-likely-collisions-in-2d-space--gamedev-374 Keep it simple, idiot. For loop check everything for collision.