remove old collision detection via pixel analysis
remove old collision detection via pixel analysis

FH-Potsdam/2014-SoSe-11EG-B-input-output,FH-Potsdam/2014-SoSe-11EG-B-input-output,FH-Potsdam/2014-SoSe-11EG-B-input-output,FH-Potsdam/2014-SoSe-11EG-B-input-output