Colby Klein
Seattle, Washington, United States
Summary
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RockstarColby Klein is a versatile software engineer with 18 years of experience specializing in graphics, engine, and tool programming, based in Seattle. He combines practical engine-level work—fixing math transforms and JIT issues—with applied VR and game development, having implemented Oculus haptics and updated frame submission APIs in a Lua VR framework and contributed gameplay and file-parsing features to the well-known StepMania project. His background includes low-level SDL/OpenGL integration and virtual machine fixes that reveal a strong grasp of performance-sensitive, platform-specific code. Colby pairs a longtime production engineering background with a creative side—he programs games and makes art in his free time—and prefers long-term roles where he can tackle deep technical challenges.
18 years of coding experience
6 years of employment as a software developer
Github Skills (18)
c-language10
game-engine10
sdl10
haxe10
virtual-reality10
virtual-machine10
c1110
c1710
lua10
compile10
compiler10
game-development10
cprogramming-language10
jit10
openvr9
Programming languages (12)
Github contributions (5)
stepmania/stepmania
Mar 2008 - Nov 2022
Advanced rhythm game for Windows, Linux and OS X. Designed for both home and arcade use.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 release, 1 review, 458 commits in 14 years 10 months
Contributions summary:Colby's contributions primarily focused on enhancing the BMS file loading functionality, specifically by adding support for reading the genre tag. This involved modifying the `NotesLoaderBMS.cpp` file to parse the genre information from BMS files and converting the string encoding, which suggests familiarity with file parsing and character encoding handling. Furthermore, the user added a KB7 game mode and implemented changes to the ScreenSelectMusic UI, along with its associated file structure.
lualinux-windowsgamewindowsrhythm-game
HaxeFoundation/hashlink
Feb 2018 - May 2021
A virtual machine for Haxe
Role in this project:Back-end Developer
Back-end DeveloperContributions:6 commits, 7 PRs, 26 comments in 3 years 2 months
Contributions summary:Colby contributed to the core functionality of the Haxe virtual machine, focusing on SDL/GL integration. They added missing GL features, including multi-sampling and image texture handling. Their work also involved fixing a crash related to floating-point number conversion in the JIT compiler and enabling the passing of struct pointers to C code. The user's commits demonstrate a strong understanding of low-level graphics libraries and virtual machine internals.
haxelibinterpretervirtual-machinehaxe
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