SET_SOURCE_FILES(Invader_SRC_FILES BUILD_UNIT InvaderBuildUnit.cc Invader.cc InvaderCenterPoint.cc InvaderShip.cc END_BUILD_UNIT ) ORXONOX_ADD_LIBRARY(Invader MODULE FIND_HEADER_FILES LINK_LIBRARIES orxonox overlays SOURCE_FILES ${Invader_SRC_FILES} )