removed shift/sort, working now on LPA
new screenshots
movement: choose 1 of the 4 nearest LPAs; ParticleFactory easier to maintain; cam movements (WASD); check out P!; added "debug" view to show LPA (usage not recommended)
Merge branch 'master' of https://github.com/krschmidt1/PA-Praktikum
visualization of lpa + particles prepared