Suboptimal Engineer @SuboptimalEng
👨🏾💻 Indian-American Software Engineer 👾 Computer Graphics YouTuber (25k+) ❤️ Shaders, Anime, Gaming, Running youtube.com/SuboptimalEng Joined August 2020-
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GLSL Shader Experiment 23 Ray Marching Mouse Interaction (part 1)
GLSL Shader Experiment 22 Ray Marching Procedural Terrain (part 4)
GLSL Shader Experiment 21 Ray Marching Procedural Terrain (part 3)
GLSL Shader Experiment 20 Procedural Terrain (part 2) Ray marched a procedural terrain using value noise. This time, I removed the sphere SDF, colorized the terrain based on its normals, and added specular lighting.
GLSL Shader Experiment 19 Procedural Terrain (part 1) I ray marched a procedural terrain using value noise. Decided to add distance fog, color grading, and a toon shader to give the scene some contrast.
The last time I ran more than 20 miles in one week was over 5 years ago! Feels good to start running consistently again.
GLSL Shader Experiment 18 Ray Marching Space Distortion I finally figured out what a determinant represented (geometrically) thanks to 3B1B. Wanted to visualize it in a shader but couldn’t fix all the artifacts. May come back to this later. Here's a working demo for now.
GLSL Shader Experiment 17 Ray Marching Distance Fog Spent some time learning more about distance fog this week. Without it, we see weird artifacts like the distortion on the checkerboard plane.
GLSL Shader Experiment 16 Ray Marching Shadows with Post Processing Effects (part 4) Since I've come this far already, figured I might as well learn how to compute the shadow of the triangle analytically using ray-plane intersection tests.
GLSL Shader Experiment 15 Ray Marching Shadows (part 3) Realized the shadows looked off in the previous demo because I used directional lighting. Swapped in a point light, but now I see more graphics artifacts because the rays are hitting the wireframe and light sphere.
GLSL Shader Experiment 14 Ray Marching Shadows with Post Processing Effects (part 2) I've been enjoying re-learning linear algebra. This is my first attempt at recreating a scene from @immersivemath.
GLSL Shader Experiment 13 Ray Marching Shadows with Post Processing Effects
GLSL Shader Experiment 12 Simple Ray Marched Scene with Post Processing Effects
GLSL Shader Experiment 11 Post-Processing Shadow of the Colossus
GLSL Shader Experiment 10 4 Types of Layered Voronoi (Cellular) Noise
Working on adding more post-processing effects to my C++ shader animation tool. Here's what it looks like when I run the Sobel (edge detection) filter on Voronoi (cellular) noise.
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