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| author | skal <pascal.massimino@gmail.com> | 2026-02-06 11:12:34 +0100 |
|---|---|---|
| committer | skal <pascal.massimino@gmail.com> | 2026-02-06 11:12:34 +0100 |
| commit | 5a1adde097e489c259bd052971546e95683c3596 (patch) | |
| tree | bf03cf8b803604638ad84ddd9cc26de64baea64f /assets/final/shaders/renderer_3d.wgsl | |
| parent | 83f34fb955524c09b7f3e124b97c3d4feef02a0c (diff) | |
feat(audio): Add Spectral Brush runtime (Phase 1 of Task #5)
Implement C++ runtime foundation for procedural audio tracing tool.
Changes:
- Created spectral_brush.h/cc with core API
- Linear Bezier interpolation
- Vertical profile evaluation (Gaussian, Decaying Sinusoid, Noise)
- draw_bezier_curve() for spectrogram rendering
- Home-brew deterministic RNG for noise profile
- Added comprehensive unit tests (test_spectral_brush.cc)
- Tests Bezier interpolation, profiles, edge cases
- Tests full spectrogram rendering pipeline
- All 9 tests pass
- Integrated into CMake build system
- Fixed test_assets.cc include (asset_manager_utils.h)
Design:
- Spectral Brush = Central Curve (Bezier) + Vertical Profile
- Enables 50-100x compression (5KB .spec to 100 bytes C++ code)
- Future: Cubic Bezier, composite profiles, multi-dimensional curves
Documentation:
- Added doc/SPECTRAL_BRUSH_EDITOR.md (complete architecture)
- Updated TODO.md with Phase 1-4 implementation plan
- Updated PROJECT_CONTEXT.md to mark Task #5 in progress
Test results: 21/21 tests pass (100%)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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