Light Propagation Volumes (LPV)

Note:

• First introduced in CryEngine 3
• It is real-time, not precomputed
• Does not consider visibility

Key Problem:

• Query the radiance from any direction at any shading point

Key Idea:

• Raidance travels in a straight line and does not change

Key Solution:

• 3D grid to propagate radiance

Steps:

Problem: