Mark Johns
Owner, Developer at Doomlaser
Champaign, Illinois, United States
Summary
👤
Senior🎓
Top SchoolMark Johns is a creative technologist and founder with 15+ years of experience shipping inventive games, tools, and AR prototypes that blend engineering, design, and emergent AI. As owner of Doomlaser he has released indie hits and cult experiments—from the long-running macOS utility Cursorcerer to genre-bending titles like Space Barnacle and Shit Game—and architected Dream Factory, an early Unity LLM-driven theater engine for real-time AI storytelling. His background includes leading engine rewrites and creative direction on Tap Tap Revenge (tens of millions of players) and prototyping shared-space AR interactions at Niantic, giving him rare cross-platform expertise from OpenGL and mobile to ARKit/ARCore. Based in Champaign, IL, he thrives at the intersection of product, rapid prototyping, and expressive tech, frequently turning niche technical feats (undocumented Carbon APIs, procedural systems, LLM-driven runtime control) into polished, playable experiences.
8 years of coding experience
Mathematics and Computer Science, Mathematics and Computer Science at Eastern Illinois UniversityMathematics and Computer Science, Mathematics and Computer Science at University of Illinois Urbana-Champaign
Github Skills (45)
shader10
vintage10
unity-shader10
gradient10
masking10
unity3d10
color-gradient9
augmented-reality8
retrocomputing8
css7
linux7
react7
html7
macos6
dall-e6
Programming languages (5)
Github contributions (5)
doomlaser/Height-Based-Gradient-Color-Shaders-for-Unity
Nov 2019 - Jan 2022
Height Based 2 color gradient shaders for Unity
Contributions:19 commits, 18 pushes, 1 branch in 2 years 2 months
color-gradientgradientshadersunityunity3d
doomlaser/DepthMask-Unity-Shader
Mar 2018 - Oct 2022
Simple but powerful Unity shader that enables geometry masking for cutouts, UI, AR, and multiple camera VFX tricks.
Contributions:10 commits, 9 pushes, 1 branch in 4 years 7 months
unity-shaderunityunity3dunity3d-scriptvfx
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