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张良及时赶到，身边多了个智囊，事情才会准备的如此妥当。State machines also have a wide range of uses in game development, especially the logic writing of game AI. The main characters in the game have various states such as walking, attacking, defending, falling and jumping. These states are both interrelated and constrained. For example, if attacked during walking, it will switch from walking state to falling state. In the state of falling, it can neither attack nor defend. Similarly, you cannot switch to the defensive state during the jump, but you can attack. This kind of scenario is very suitable to be described by state machine. The code is as follows:Decorator mode focuses on stable interfaces and extends functions for objects on this premise.I am embarrassed to say that I am a light novel if I can't afford a very long name.将施奈德回老家之后，四只原本亲如兄弟的神龟由于没有了敌人，于是不再想以往一样一起战斗，而是各自在喜欢的领域内钻研，以往一起行动的忍者神龟们变成了四个独来独往的“独行侠”！2017-07-18 14:31:11姒摇专注地看着大哥，心中默默念道：大哥，莫要再一意孤行，这是在救族人，也是在救你自己啊。