facebook/rebound — pull request #39 by willbailey (2014-08-14 17:38:51+00:00)
Title: Refactor

Internal Cleanup

- Combine SpringClock with looper
- Add SynchronousLooper for doing synchronous simulation
- Add SteppingLooper for doing step by step simulation
- pull in hamcrest for testing and update tests
- activateSpring on velocity or currentValue changed