public void update_level(CLevelData level_data)
{
this.data_current_level = level_data;
for (int i = 0; i < this.live_objects.Count; ++i)
{
this.live_objects[i].GetComponent <CMovableObject>().update_speed_ratio(level_data.speed_ratio);
}
}
void refresh_current_level()
{
this.data_current_level = this.levels[this.current_level_index];
}
