中文讲解

single file ray tracing renderer, 100/300/1000/4000 lines of C++20, PBRT-like architecture, step-by-step integrator.

the name ky is meaningless, you can call this project structured smallpt, smallpbrt etc.

render_debug():

render_lighting_enum():

render_mis_scene():

render_multiple_scene():

• Ray Tracing in One Weekend https://raytracing.github.io/books/RayTracingInOneWeekend.html

• Scratchapixel https://www.scratchapixel.com

• Advanced Computer Graphics | RGL http://rgl.epfl.ch/courses/ACG20

  • Nori https://wjakob.github.io/nori/

• Realistic (& Advanced) Image Synthesis http://www.cim.mcgill.ca/~derek/ecse446.html

  • ecsex46/fall-2019: ECSE 446/546 & COMP 598/599: Realistic/Advanced Image Synthesis https://github.com/ecsex46/fall-2019

• COMPUTER GRAPHICS(CMU 15-462/662) http://15462.courses.cs.cmu.edu

  • CMU-Graphics/Scotty3D: Base code for 15-462/662: Computer Graphics at Carnegie Mellon University https://github.com/CMU-Graphics/Scotty3D

• smallpt: Global Illumination in 99 lines of C++ http://www.kevinbeason.com/smallpt/

  • C# vs C++ 全局照明渲染性能比试 https://www.cnblogs.com/miloyip/archive/2010/06/23/cpp_vs_cs_GI.html
    
    

• SmallVCM/SmallVCM: A (not too) small physically based renderer that implements the vertex connection and merging algortihm https://github.com/SmallVCM/SmallVCM

• ouj/safegi: implementation of safegi: an rendering system with dimensional analysis. https://github.com/ouj/safegi

• hi2p-perim/minpt: A path tracer in 300 lines of C++ https://github.com/hi2p-perim/minpt
  
  

• xelatihy/yocto-gl: Yocto/GL: Tiny C++ Libraries for Data-Driven Physically-based Graphics https://github.com/xelatihy/yocto-gl

• mmp/pbrt-v3: Source code for pbrt, the renderer described in the third edition of "Physically Based Rendering: From Theory To Implementation", by Matt Pharr, Wenzel Jakob, and Greg Humphreys. https://github.com/mmp/pbrt-v3

• mmp/pbrt-v4: Source code to pbrt, the ray tracer described in the forthcoming 4th edition of the "Physically Based Rendering: From Theory to Implementation" book. https://github.com/mmp/pbrt-v4

• mitsuba-renderer/mitsuba3: Mitsuba 3: A Retargetable Forward and Inverse Renderer https://github.com/mitsuba-renderer/mitsuba3

• LuisaGroup/LuisaRender: High-Performance Cross-Platform Monte Carlo Renderer Based on LuisaCompute https://github.com/LuisaGroup/LuisaRender
  
  

• Source/Render/Cycles - Blender Developer Wiki https://wiki.blender.org/wiki/Source/Render/Cycles

• run smallpt

• rewrite smallpt

  • geometry
  • shape
    • disk
    • triangle
    • rectangle
    • sphere
  • scene
  • camera
  • material
  • light
  • integrator
  • cmd

• step-by-step integrator

  • render depth, normal
  • render point light
  • render spuclar material
  • render direct lighting(sampling brdf, sampling lighting)
  • MIS
  • recursion style path tracing
  • iterative style path tracing

• bsdf/material

  • Phong

• scene

  • mis scene