ADD_SOURCE_FILES(ORXONOX_SRC_FILES Billboard.cc BlinkingBillboard.cc FadingBillboard.cc GlobalShader.cc GodrayShader.cc MeshLodInformation.cc Model.cc AnimatedModel.cc ParticleEmitter.cc ParticleSpawner.cc WorldEntityShader.cc COMPILATION_BEGIN GraphicsCompilation.cc Backlight.cc Camera.cc Light.cc COMPILATION_END )