SlimeVR/SlimeVR-Server
Nov 2024 – Apr 2026
6 Months active
Languages Used
KotlinFTLJavaTypeScript
Technical Skills
3D MathBackend DevelopmentSkeletal AnimationC++Frontend DevelopmentFull Stack Development
Collin
PROFILE
Collin
Over six months, contributed to the SlimeVR/SlimeVR-Server repository by developing and refining core motion tracking features and addressing stability issues in VR environments. Delivered enhancements such as skeletal joint constraints for realism, positional tracking support, and widened shoulder rotation ranges, each improving motion fidelity and user experience. Applied 3D math and inverse kinematics to refactor rotation calculations and resolve edge-case failures, while also debugging issues like leg tracking floor clipping and disabling unstable features to maintain reliability. Worked across backend and frontend codebases using Java, Kotlin, and TypeScript, demonstrating a disciplined, iterative approach to feature delivery and system robustness.
Overall Statistics
Feature vs Bugs
50%Features
Repository Contributions
6Total
Bugs
3
Commits
6
Features
3
Lines of code
1,113
Activity Months6
Your Network
53 peopleShared Repositories
53
Work History
April 2026
1 Commits
Apr 1, 2026Monthly summary for 2026-04 (SlimeVR-Server): Focused on diagnostic-bug resolution and reliability improvements for LegTweaks. Delivered a precise fix to the floor clipping issue by removing extraneous logic that determined leg activation states from foot position differences, leading to more accurate leg tracking and a smoother user experience in VR sessions. The change reduces edge-case clipping and improves cross-setup stability.
1 Commits
Apr 1, 2026Monthly summary for 2026-04 (SlimeVR-Server): Focused on diagnostic-bug resolution and reliability improvements for LegTweaks. Delivered a precise fix to the floor clipping issue by removing extraneous logic that determined leg activation states from foot position differences, leading to more accurate leg tracking and a smoother user experience in VR sessions. The change reduces edge-case clipping and improves cross-setup stability.
April 2026
October 2025
1 Commits • 1 Features
Oct 1, 2025October 2025 monthly summary for SlimeVR-Server focused on advancing motion capture fidelity through positional tracking. Delivered Positional Tracking Support for Motion Capture and Avatar Representation, enabling tracker position data to enhance accuracy of motion capture and avatar representation. No major bugs reported this month; feature delivery establishes a baseline for ongoing improvements in tracking quality and user realism.
October 2025
1 Commits • 1 Features
Oct 1, 2025October 2025 monthly summary for SlimeVR-Server focused on advancing motion capture fidelity through positional tracking. Delivered Positional Tracking Support for Motion Capture and Avatar Representation, enabling tracker position data to enhance accuracy of motion capture and avatar representation. No major bugs reported this month; feature delivery establishes a baseline for ongoing improvements in tracking quality and user realism.
April 2025
1 Commits • 1 Features
Apr 1, 2025Summary for 2025-04: Delivered shoulder rotation constraint enhancement in SlimeVR-Server, widening the rotation range for left/right shoulders to enable more natural arm movement. Implemented via commit b7dd646594bb8004a94f4304acbf213f4593354a ("Decrease shoulder joint's constraints (#1367)"), which improves realism, responsiveness, and user comfort during arm tracking in VR.
1 Commits • 1 Features
Apr 1, 2025Summary for 2025-04: Delivered shoulder rotation constraint enhancement in SlimeVR-Server, widening the rotation range for left/right shoulders to enable more natural arm movement. Implemented via commit b7dd646594bb8004a94f4304acbf213f4593354a ("Decrease shoulder joint's constraints (#1367)"), which improves realism, responsiveness, and user comfort during arm tracking in VR.
April 2025
February 2025
1 Commits
Feb 1, 2025February 2025 (2025-02) monthly summary for SlimeVR-Server. Stability and controlled delivery were prioritized by temporarily disabling the server-side 'correct constraints' feature due to an implementation issue. The GUI option for this feature was also hidden to prevent user interaction with a non-reliable path. The change is intentionally conservative and will be reversed once the related bug is resolved, ensuring a clean re-enablement in a controlled manner. This work aligns with ongoing reliability improvements and reduces risk in production while preserving the ability to reintroduce the feature with a solid fix.
February 2025
1 Commits
Feb 1, 2025February 2025 (2025-02) monthly summary for SlimeVR-Server. Stability and controlled delivery were prioritized by temporarily disabling the server-side 'correct constraints' feature due to an implementation issue. The GUI option for this feature was also hidden to prevent user interaction with a non-reliable path. The change is intentionally conservative and will be reversed once the related bug is resolved, ensuring a clean re-enablement in a controlled manner. This work aligns with ongoing reliability improvements and reduces risk in production while preserving the ability to reintroduce the feature with a solid fix.
January 2025
1 Commits • 1 Features
Jan 1, 2025January 2025 performance summary for SlimeVR-Server: delivered Skeletal Joint Constraints for Realism to enhance motion fidelity and tracking accuracy. This feature enforces bone constraints to prevent unnatural rotations, with new configuration settings and updates to UI, server logic, and bone processing. No major bugs reported this month; constraints were validated across typical motion profiles to improve stability. Overall impact: higher fidelity tracking, reduced jitter, and a stronger foundation for future stability and realism features. Technologies demonstrated: constraint-based motion processing, 3D bone transformations, UI/backend integration, and performance-conscious server design.
1 Commits • 1 Features
Jan 1, 2025January 2025 performance summary for SlimeVR-Server: delivered Skeletal Joint Constraints for Realism to enhance motion fidelity and tracking accuracy. This feature enforces bone constraints to prevent unnatural rotations, with new configuration settings and updates to UI, server logic, and bone processing. No major bugs reported this month; constraints were validated across typical motion profiles to improve stability. Overall impact: higher fidelity tracking, reduced jitter, and a stronger foundation for future stability and realism features. Technologies demonstrated: constraint-based motion processing, 3D bone transformations, UI/backend integration, and performance-conscious server design.
January 2025
November 2024
1 Commits
Nov 1, 2024Month: 2024-11 — SlimeVR-Server: Delivered a stability-focused improvement to hip rotation tracking. The rotation calculation was refactored to always apply a valid rotation, ensuring robust behavior when extendedPelvisRot has zero length and addressing potential hip tracking issues. This aligns with user feedback on hip tracking reliability, reduces edge-case failures, and improves data integrity for motion capture on VR setups. The change enhances overall system reliability with minimal performance impact, supporting a smoother user experience and lower support burden.
November 2024
1 Commits
Nov 1, 2024Month: 2024-11 — SlimeVR-Server: Delivered a stability-focused improvement to hip rotation tracking. The rotation calculation was refactored to always apply a valid rotation, ensuring robust behavior when extendedPelvisRot has zero length and addressing potential hip tracking issues. This aligns with user feedback on hip tracking reliability, reduces edge-case failures, and improves data integrity for motion capture on VR setups. The change enhances overall system reliability with minimal performance impact, supporting a smoother user experience and lower support burden.
Activity
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Quality Metrics
Correctness81.6%
Maintainability83.4%
Architecture78.4%
Performance70.0%
AI Usage23.4%
Skills & Technologies
Programming Languages
FTLJavaKotlinTypeScript
Technical Skills
3D MathBackend DevelopmentC++Frontend DevelopmentFull Stack DevelopmentInverse KinematicsJavaKotlinNodeReactSkeletal AnimationTypeScriptback end developmentfull stack development
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