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在开始把音乐内容整合到工程中之前,必须先针对这个将要被使用的系统的类型对内容进行准备。在本节中,我们将考察两种呈现动态音乐的方法,并在最后把两者结合起来,为游戏主人公的这场冒险提供一个情感背景。By leveraging both a layered approach (where the volume of time-synced music layers reacts to gameplay) and a sequential approach (which adds diversity to a looping section of music through randomization) we'll create a simple music system that changes based on player interaction with the game.