added new sphere class
added getters to sphere
added new ray class
Fixed 2 small bugs in InvoluteGear
Merge branch 'master' of https://github.com/happah-graphics/happah
Merge remote-tracking branch 'origin/master' into fastkdtree-SS13-group1
fixed a compiling error of a "not allowed forward declaration of
<<QMenuBar>>" in MainWindow.cpp.
Solved via: Simple adding the include "#include <QMenuBar>"
Merge remote-tracking branch 'origin/master' into fastkdtree-SS13-group1
fixed compiling bugs:
- double include of the FastKdTree.cpp error, when linking
--> fix: happah.pro remove the concrete includes of classes and headers
--> need to compile via command line anyway
- can't pass abstract class to constructor of FastKdTree.cpp
--> fix: use pointers