How the light path node works in Blender - Artisticrender.com
Light Path Node - YouTube
Get material/object ID the ray is currently hitting? - User Feedback - Developer Forum
eMirage - quick tip : Volumetric light rays with Blender Cycles. 1-create a box adjust its shape and assign to it a new material 2-create a sun lamp, change the sun's color
cycles render engine - Can't get simple light path nod examples to work - Blender Stack Exchange
Light Path Node: Is Emission Ray? - Materials and Textures - Blender Artists Community
Node Light Path — Blender Manual
How the light path node works in Blender - Artisticrender.com
Small Blender Things: How to set up simple hdri environment lighting in Blender Cycles
Verge3D for Blender: Shader Nodes Reference — Soft8Soft
Simulating Subsurface Scattering in Cycles using the Ray Length output in the Light Path node - Blender Cycles: Materials and Textures Cookbook - Third Edition [Book]
questions about the light path node - CG Cookie
Input: Light Path
questions about the light path node - CG Cookie
How to separate HDRI light path - Lighting and Rendering - Blender Artists Community
Using Blender's Light Path Node for Cycles - YouTube
Tutorial - Cycles "Light Paths" — a-sh: architekt Štěpán Havlík
cycles render engine - What are anticipated use cases for Is Diffuse Ray (Light Path Node) in Eevee? - Blender Stack Exchange