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@@ -120,6 +120,23 @@ This file tracks prioritized tasks with detailed attack plans. - [x] **Enhanced Procedural Noise:** Implemented a multi-octave Value Noise generator for higher-quality skybox textures. - [x] **Scene Integrity:** Restored proper object indexing and removed redundant geometry, ensuring the floor grid and objects render correctly. +- [x] **Task #57: Interactive Timeline Editor (Phase 1 Complete)** 🎉 + - [x] **Core Parser & Renderer**: Implemented demo.seq parser with BPM, beat notation, priority modifiers. Gantt-style timeline rendering with dynamic sequence/effect positioning. + - [x] **Drag & Drop**: Sequences and effects draggable along timeline with proper offset calculation. Fixed critical e.target vs e.currentTarget bug preventing erratic jumping. + - [x] **Resize Handles**: Left/right handles on selected effects. Allow negative relative times (effects extend before sequence start). + - [x] **Snap-to-Beat**: Checkbox toggle with beat markers. Automatic snapping when dragging in beat mode. + - [x] **Properties Panel**: Floating, collapsible panel with auto-apply (no Apply button). Properties update on input change. + - [x] **Stack-Order Priority**: Up/Down buttons to reorder effects within sequence. Stack position determines rendering priority (higher index = rendered later = on top). + - [x] **Priority Modifiers**: Toggle button for "Same as Above" (= modifier) vs "Increment" (+ modifier). Visual feedback in button text. + - [x] **Diagonal Scroll**: Mouse wheel navigation with 10% viewport slack. Smooth following to time-ordered sequence cascade. Flash animation on active sequence change. + - [x] **Dynamic Bounds**: Sequence visual bounds calculated from min/max effect times. Cumulative Y positioning prevents overlap. + - [x] **Waveform Visualization**: Load WAV files (via Web Audio API) and display waveform above timeline. Scales with zoom (pixels per second). Documented integration with `--dump_wav` flag. + - [x] **UI Polish**: Hoverable sequence names (large centered text, fades on hover). No scrollbars (hidden CSS). Clean, minimal interface. + - [x] **File I/O**: Load/save demo.seq files with proper serialization. BPM parsing and display. Re-order sequences by time. + - [x] **Delete & Add**: Delete sequences/effects. Add new sequences (at time 0, priority 0). + - **Result**: Fully functional timeline editor ready for production use. Phase 1.1 complete (basic editing, snap-to-beat, waveform). Phase 1.2 (Add Effect button) and Phase 2.5 (music.track visualization) documented in ROADMAP.md. + - **Files**: `tools/timeline_editor/index.html` (~1200 lines), `README.md`, `ROADMAP.md` (3 phases, 117-161 hour estimate). + ## Priority 2: 3D System Enhancements (Task #18) **Goal:** Establish a pipeline for importing complex 3D scenes to replace hardcoded geometry. - [ ] **Task #18.0: Basic OBJ Asset Pipeline** (New) |