switch (FEAT_OBJECTS, SELF, object_decide_tilepos, relative_coord(relative_x,relative_y)) {

    relative_coord(0,0): graphics_object_tile_00;

    relative_coord(1,0): graphics_object_tile_10;

}

 

item(FEAT_OBJECTS, my_object) {

 

    property {

        (...)

    }

    graphics {

        object_decide_tilepos;

    }

}