It changes the game with regards to light and shadow, the sun on the list of general MMO perception of presence is obviously very weak. As well as changes in almost all the time, in various areas of the shadow regarding angle, light shade temperature, weather changes concurrently to simulate the true environment of online games serves as a rare. Recent domestic online flash games have done far better days knife, evening encyclical, etc., also to say today could be the South Korean activity "Black Desert.