摘要：
PBR-Book Ch5 Color and Radiometry Color and Radiometry (pbr-book.org) In orderto precisely describe how light is represented and sampled to compute im 阅读全文
摘要：
PBR-Book Ch8 Reflection Models Reflection Models (pbr-book.org) 球坐标系中，使用 \((\theta, phi)\) \(\theta\) given direction to the \(z\) axis \(\phi\) the a 阅读全文