Intersection processing, BFController and BFCHuman
Quadtree class finished, not tested
Some bugs in QuadTree and Vector2d fixed, but there still exist bugs in QuadTree
A small but crucial bug fixed
some initial settings
solve merge conflicts
QuadTree bugs fixed\!
Basics for server part
Merge branch 'Pt-Cr' of https://github.com/bg95/ZAG into joe
To get the latest version