SVN commit 1191714 by majewsky:

Remove all ball-wall and ball-ball collision code.

By now, balls and walls do not interact at all. Only the interaction of
balls with other types of objects is still working.

 M  +25 -331   ball.cpp  
 M  +2 -17     ball.h  
 M  +1 -1      canvasitem.h  
 M  +2 -4      floater.cpp  
 M  +1 -1      floater.h  
 M  +12 -168   game.cpp  
 M  +6 -11     game.h  
 M  +1 -1      rtti.h  
 M  +1 -1      slope.cpp  
 M  +1 -1      slope.h  


http://websvn.kde.org/?view=rev&revision=1191714