Cull Engine

A CPU rendering engine pairing a real-time scene editor with a multi-threaded offline ray-tracer.

Result

Editor

Two pipelines

1. Ray-Tracer:

   • Sun and multiple point-lights
   • Smooth shading
   • Shadows
   • Reflections
   • Refractions
   • Alpha blending
   • BVH
   • Multi-threading
   • Metallic-roughness materials
   • Textures
   • Vignette (post-processing)
   • Produces result in .ppm format

2. Editor:

   • Rasterized (solid or wireframe)
   • Runs in live window
   • Move and rotate camera
   • Move, rotate or scale models with gizmo

CLM (Cull Math)

A custom math library that includes:

• vec2, vec3, vec4, ivec2, uvec2
• mat4
• quaternion
• clamp, lerp

Controls

Action	Input
Move camera	W A S D
Rotate camera	Arrow keys
Render to .ppm	R
View solid triangles	Hold E
Select model	Left mouse button
Use gizmo	Select model, drag arrows
Change gizmo mode	G
Delete model	Select model, then Delete

Building & Running

Requirements: Windows, MSVC with C++20 support

Refer to run.ps1 and the example folder