games101-week7

Ray Tracing 1（Whitted-Style Ray Tracing）

Basic Ray-Tracing Algorithm

光路可逆

Ray Casting

Recursive (Whitted-Style) Ray Tracing

Ray-Surface Intersection

暴力求解不可取

Accelerating Ray-Surface Intersection

Bounding Volumes

Ray Tracing 2（Acceleration & Radiometry）

Uniform Spatial Partitions (Grids)

Spatial Partitions

KD-Tree

Object Partitions & Bounding Volume Hierarchy (BVH)

BVH Traversal

Basic radiometry

Radiant Energy and Flux (Power)

Radiant Intensity, irradiance, radiance

Radiant Intensity