Physically based shading and image based lighting（翻译）
请尊重原作者的工作，转载时请务必注明转载自：www.xionggf.com 原文地址 Light is complicated, and we really don’t have a full equation that accurately models light in the real world. This might sound confusing because of all the recent strides in CG and visual technology. Well, it’s all approximate – it’s just that we select functions which approximate really well.