Pu-renderer

Implementation of a personalised renderer, start from Ray-Tracing weekend series. Now only implement ray tracing renderer. Next, I will realize the Rasterizer, which serve as the purpose in the graphics pipeline.

Already done

• Mar 31, 2025 finished Raytracing in one weekend coding.

Todo

• Review the code, get the raytracing pipeline
• Rasterizer
• Ray Tracing series!
• Triangles, Parallelism and Shadow Rays!

Ray Tracing Project Structure

src/
├── main.cpp
├── utils.h # gathering header
├── camera.h # render helper and camera params
├── base_headers/ # core utilities
│ ├── vec3.h
│ ├── color.h # Color Processing
│ ├── ray.h # color ray
│ └── interval.h # interval definition
└── hittable/ # Hittable object definitions
├── hittable.h # Hittable object abstract header
├── hittable_list.h # list of hittable objects
└── sphere.h # sphere hittable

What do renderer do?

• Use viewport to get the 3D scene
• Image samples from viewport plane