In function `int main()':
cannot declare variable `receiver' to be of type `MyEventReceiver'
because the following virtual functions are abstract:
virtual bool irr::IEventReceiver::OnEvent(const irr::SEvent&)
no matching function for call to `irr::scene::ISceneManager::addHillPlaneMesh(const char[7], irr::core::dimension2d<irr::f32>, irr::core::dimension2d<irr::s32>, int, int, irr::core::dimension2d<irr::f32>, irr::core::dimension2d<irr::f32>)'
candidates are: virtual irr::scene::IAnimatedMesh* irr::scene::ISceneManager::addHillPlaneMesh(const irr::c8*, const irr::core::dimension2d<irr::f32>&, const irr::core::dimension2d<irr::u32>&, irr::video::SMaterial*, irr::f32, const irr::core::dimension2d<irr::f32>&, const irr::core::dimension2d<irr::f32>&)
thanks in advance