Interactive OpenGL renderer

Written from scratch in C++

Image Based Lighting

Physically based shading

Point and Spotlights with Shadow Maps

Directional Lights with Shadow Map

Interactive Software Rasterization (CPU)

Written from scratch in C and in C++

Adaptive texture sampling and filtering

Physically based shading

Mesh and Pixel Shaders

Perspective corrected interpolations

Frustum culling and clipping

Interactive real time 3D App library

Written from scratch in C and in C++

Anti-Aliasing for quality line drawing

3D Curve and Mesh wireframe drawing

3D Viewport camera navigation

3D Interactive transformation controls

Scene loading and saving to binary files

Base project for 2D graphics

Written from scratch in C and in C++

Texture filtering and sampling

Runs on CPU or GPU (CUDA)

Example apps include:

Editable Tile Map with interactive soft shadow lights (Ray Casting)

Painting app with Liquify brushes 

Using the Slim frameworks it is simple and easy to write various graphics rendering experiments, for example Gerstner Wave generation, FFT Water and Voxels

Experiments:

Ray Casting:

Interactive real time 2D Ray Casting

Written from scratch in Odin

Software texturing with Tri-Linear filtering

Spherical lighting with quadratic attenuation

Interactive mini-map (move, pan, zoom, resize)

Editable walls and columns using the mini-map

Collision detection for both walls and columns

Featured in OLC's "2020 Community Showcase"

Closest Point On Mesh:

Fast Mesh Query Algorithm

BVH Acceleration Structure for Broad Phase

Adaptive Narrowing of Search Radius

Optional GPU support using CUDA

Perspective Projection:

A Projective Geometry derivation of the process of Perspective Projection used in 3D graphics for GPUs

Interactive 3D Math Visualization

Written using SlimEngine

Made for a Math Exposition video

Submitted to the 3b1b SoME challenge

Touch-enabled web GUI of a fully featured timeline

Written entirely from scratch using HTML5 Canvas

Tracks with clips of Video, Audio or Text

Clips can be resized, cloned, split, dragged around, individually or selectively with group selection

Can be pinched-zoomed and panned

Timeline GUI