磊 張 thinks this is interesting: This is alerting us to the fact that we should add Lightmass Importance Volume around the important parts of the level. From Creating a landscape from Unreal Engine Game Development Cookbook by John P. Doran Publisher: Packt Publishing Released: October 2015 Note I can not understand this. Share this highlight http://learning.oreilly.com/a/unreal-engine-game/577309/ Twitter Facebook Google Plus Email Get Instant Access Now Start a Free Trial Have an account? Sign in. Minimise Unlock the rest of Unreal Engine Game Development Cookbook and 30,000 other books and videos By clicking this box, you confirm that you have read and agree to the terms and conditions of our Membership Agreement, and you understand that when your trial period ends, you will be required to provide billing information if you wish to continue using the service. Unlock the rest of this book Start a Free 10-Day Trial loading Learn about Safari for Business Have an account? Sign in.