概述在UE4内如何导入、渲染和模拟发束。
虚幻引擎的毛发渲染与模拟系统利用基于发束的工作流来渲染每束毛发，让毛发在移动时准确地遵循物理原则。美术师可利用此系统为在DCC包中创建的毛发梳理（grooms）实时模拟并渲染出无数照片级的毛发。
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虚幻引擎的毛发渲染与模拟系统利用基于发束的工作流来渲染每束毛发，让毛发在移动时准确地遵循物理原则。美术师可利用此系统为在DCC包中创建的毛发梳理（grooms）实时模拟并渲染出无数照片级的毛发。
Welcome to the new Unreal Engine 4 Documentation site!
We're working on lots of new features including a feedback system so you can tell us how we are doing. It's not quite ready for use in the wild yet, so head over to the Documentation Feedback forum to tell us about this page or call out any issues you are encountering in the meantime.
We'll be sure to let you know when the new system is up and running.