Source code for the shadertoy demos
Ray tracing quadrics generically, based on the paper ' Ray Tracing Arbitrary Objects on the GPU' by A. Wood et al.
An effect like the Apple Watch UI.
Render an arc from three points
Triangle with antialiasing, computed using the analytical area of the triangle under the pixel (coverage).
A fake 3D curtain transition effect (from left to right).
A simple effect by offsetting the uv.
Implementation of the Loop/Blinn quadratic Bezier curve rendering algorithm using barycentric coordinates to simulate the vertex interpolation stage.
Rendering a quadratic bezier using a transformation matrix, inspired by the Loop/Blinn paper (https://developer.nvidia.com/gpugems/gpugems3/part-iv-image-effects/chapter-25-rendering-vector-art-gpu)
Example of brute-force (per-pixel) averaging of a texture colour for a triangle (integral).
Simple rendering of a waveform (1d equation based on time)
