SET_SOURCE_FILES(PONG_SRC_FILES Pong.cc PongAI.cc PongBall.cc PongBat.cc PongBot.cc PongCenterpoint.cc PongScore.cc ) ORXONOX_ADD_LIBRARY(pong MODULE DEFINE_SYMBOL "PONG_SHARED_BUILD" LINK_LIBRARIES orxonox overlays SOURCE_FILES ${PONG_SRC_FILES} )