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Tim Kuhlmann

PROFILE

Tim Kuhlmann

Tim Kuhlmann contributed to the uni-bremen-agst/SEE repository, focusing on interactive 3D graph editing, rendering, and audio systems. He engineered features such as dynamic node placement, portal-aware shaders, and a 3D spatial audio subsystem, using Unity, C#, and ShaderLab. His work included refactoring interaction layers, optimizing spline rendering, and introducing collider-based object sizing to improve reliability and user experience. Tim also enhanced server configuration flexibility and maintained code clarity through documentation and targeted cleanup. His approach emphasized maintainable architecture, performance optimization, and robust user interaction, resulting in a scalable codebase that supports efficient development and future feature expansion.

Overall Statistics

Feature vs Bugs

83%Features

Repository Contributions

30Total
Bugs
3
Commits
30
Features
15
Lines of code
16,656
Activity Months7

Work History

July 2025

3 Commits • 2 Features

Jul 1, 2025

July 2025: Delivered key improvements in uni-bremen-agst/SEE focused on rendering performance and API clarity. Achievements include spline rendering optimization with improved collider handling and a shader-based build-up animation, plus a renamed portal fade property for clearer API signaling and updated documentation comments. No major bugs fixed this month; maintenance work centered on documentation and readability to support faster development and onboarding. Overall, these changes reduce runtime overhead, improve visual quality, and enhance developer experience for shader/material workflows.

June 2025

6 Commits • 3 Features

Jun 1, 2025

June 2025 monthly summary for uni-bremen-agst/SEE: Focused on delivering accurate object bounds calculations, robust interactable mechanics, and clearer documentation to improve reliability, QA efficiency, and future feature throughput. Key outcomes include: - Improved object bounds and size calculations: Refactored LineRenderer bounds, added collider-based sizing and proper local/world space handling. Fixed edge WorldSpaceSize issues and introduced size calculations based on collider geometry. - Interactable system overhaul and layer updates: Introduced a base InteractableObjectBase, separated graph-related and auxiliary interactables, updated interaction layers after node changes, and refined interaction visuals for clearer user feedback. - Documentation updates and cleanup: Clarified InteractableAuxiliaryObject terminology and behavior, and removed obsolete TODOs; updated documentation comments to reduce onboarding time. Overall impact: These changes improve rendering accuracy and interaction reliability, enable faster feature delivery through a cleaner architecture, and enhance maintainability with improved documentation. The work reduces QA rework by aligning object sizing with physics and geometry, and provides a scalable foundation for future interactions and UI enhancements. Technologies/skills demonstrated: Unity-based object sizing and rendering (LineRenderer), collider-based size calculations, space transformations (local/world), object-oriented design with a base InteractableObjectBase, layer management, and documentation hygiene.

May 2025

2 Commits • 2 Features

May 1, 2025

Month: 2025-05. Completed user-visible improvements in portal rendering and interaction within uni-bremen-agst/SEE. Delivered portal-aware shader cleanup with fade at portal edges and removal of unused shaders; implemented portal-bound interaction layering and refactor to prevent interactions outside designated portals. These changes enhance visual clarity, usability, and maintainability, driving smoother portal workflows and a cleaner asset pipeline.

April 2025

8 Commits • 3 Features

Apr 1, 2025

April 2025 monthly summary for uni-bremen-agst/SEE. Delivered key UX improvements and a comprehensive audio subsystem overhaul, along with Settings UI refinements, resulting in a more intuitive user experience and more immersive audio capabilities. Key features delivered: Node resizing enhancements with stable cursor attachment and manual height resizing; Audio system overhaul with 3D spatial audio, propagation flags, remote mute controls, initial persistent audio settings, properties-based volume/mute state, and cleanup of unused code; Settings UI improvements with granular close behavior and improved toggle experience. Major bugs fixed: fixes to sound management (ensuring consistent audio state), fixes to AudioGameObject, and stabilization of settings toggling. Overall impact: improved usability, reliable audio behavior, persistent user preferences, and a cleaner, more maintainable codebase enabling future enhancements. Technologies/skills demonstrated: UI/UX design improvements; audio system architecture and 3D spatial audio; state management and persistence; code refactoring and cleanup; settings-driven configuration and UI tests.

January 2025

6 Commits • 3 Features

Jan 1, 2025

January 2025 performance summary for uni-bremen-agst/SEE. Delivered key stability and maintainability improvements across the server and rendering pipeline. Implemented a shader rendering depth occlusion fix to ensure correct draw order between opaque and transparent fragments, reducing rendering artifacts and improving visual fidelity. Enabled configuration of the server via environment variables alongside CLI, increasing deployment flexibility and aligning with modern dev-ops practices. Upgraded core dependencies (server Maven wrapper, frontend pnpm-managed packages, and internal JS libraries) to newer versions, unlocking potential bug fixes and performance improvements. Completed architectural refactors for AddNode and ResizeNode (AddNode, AddNodeAction, ResizeNodeAction) to improve readability, maintainability, and efficiency of node management. These changes collectively improve rendering accuracy, deployment flexibility, performance readiness, and code quality, enabling faster iteration and reliability in production.

December 2024

4 Commits • 2 Features

Dec 1, 2024

December 2024 monthly highlights for uni-bremen-agst/SEE focused on robust node layout, improved user experience, and stability in the graph editor. Delivered dynamic node placement to prevent overlaps, enhanced node resizing UX, and fixed overlap detection for inactive siblings, resulting in more reliable layouts and reduced manual adjustments for end users.

October 2024

1 Commits

Oct 1, 2024

Month 2024-10: AR module stabilization through removal of problematic rotation functionality, focusing on clearing compile-time and runtime risks in the SEE repository. The AR feature is currently untestable due to the removal, but these changes reduce baseline errors and prepare the ground for a clean rework.

Activity

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Quality Metrics

Correctness89.0%
Maintainability86.0%
Architecture83.4%
Performance80.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

C#HLSLJavaJavaScriptShaderLabShellUnityYAML

Technical Skills

3D Graphics3D Interaction3D MathAudio EngineeringAudio ManagementBackend DevelopmentC#Code CleanupCode DocumentationCode OrganizationCode RefactoringConfiguration ManagementDependency ManagementDocumentationGame Development

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

uni-bremen-agst/SEE

Oct 2024 Jul 2025
7 Months active

Languages Used

C#HLSLJavaJavaScriptShellYAMLUnityShaderLab

Technical Skills

UnityXR Development3D MathC#Game DevelopmentSoftware Refactoring

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