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This milestone implements several key enhancements to the sequencing system
and developer documentation:
## Optional Sequence End Times (New Feature)
- Added support for explicit sequence termination via [time] syntax
- Example: SEQUENCE 0 0 [30.0] forcefully ends all effects at 30 seconds
- Updated seq_compiler.cc to parse optional [time] parameter with brackets
- Added end_time_ field to Sequence class (default -1.0 = no explicit end)
- Modified update_active_list() to check sequence end time and deactivate
all effects when reached
- Fully backward compatible - existing sequences work unchanged
## Comprehensive Effect Documentation (demo.seq)
- Documented all effect constructor parameters (standard: device, queue, format)
- Added runtime parameter documentation (time, beat, intensity, aspect_ratio)
- Created detailed effect catalog with specific behaviors:
* Scene effects: HeptagonEffect, ParticlesEffect, Hybrid3DEffect, FlashCubeEffect
* Post-process effects: GaussianBlurEffect, SolarizeEffect, ChromaAberrationEffect,
ThemeModulationEffect, FadeEffect, FlashEffect
- Added examples section showing common usage patterns
- Documented exact parameter behaviors (e.g., blur pulsates 0.5x-2.5x,
flash triggers at intensity > 0.7, theme cycles every 8 seconds)
## Code Quality & Verification
- Audited all hardcoded 1280x720 dimensions throughout codebase
- Verified all shaders use uniforms.resolution and uniforms.aspect_ratio
- Confirmed Effect::resize() properly updates width_/height_ members
- No issues found - dimension handling is fully dynamic and robust
## Files Changed
- tools/seq_compiler.cc: Parse [end_time], generate set_end_time() calls
- src/gpu/effect.h: Added end_time_, set_end_time(), get_end_time()
- src/gpu/effect.cc: Check sequence end time in update_active_list()
- assets/demo.seq: Comprehensive syntax and effect documentation
- Generated files updated (timeline.cc, assets_data.cc, music_data.cc)
This work establishes a more flexible sequencing system and provides
developers with clear documentation for authoring demo timelines.
handoff(Claude): Optional sequence end times implemented, effect documentation
complete, dimension handling verified. Ready for next phase of development.
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- Implemented dynamic resolution support in all shaders and effects.
- Added explicit viewport setting for all render passes to ensure correct scaling.
- Fixed 3D shadow mapping by adding PLANE support and standardizing soft shadow logic.
- Propagated resize events through the Effect hierarchy.
- Applied project-wide code formatting.
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- Reverted test_3d_render to use the global 'noise' texture for floating objects, restoring their bump mapping.
- Implemented a procedural grid directly in the fragment shader for rasterized objects (floor).
- Inverted the grid color scheme (black lines on a lighter background) as requested.
- This ensures accurate object bump mapping and clear shadow visibility on the floor without requiring multiple texture bindings.
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- Added preprocessor definitions for 'WGPUOptionalBool_True' and 'WGPUOptionalBool_False' to ensure successful cross-compilation against the older wgpu-native headers used for the Windows build.
- This resolves the build failures in the Windows CI/check script.
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- Increased the scale of orbiting 3D objects by 40% for more visual impact.
- Replaced the smooth, predictable camera animation with a non-linear, eased motion.
- Applied different easing frequencies to camera radius, height, and orbit to create an erratic, dramatic effect with sudden acceleration and braking.
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- Fixed test_sequence by restoring MainSequence::init_test for mocking.
- Corrected CMakeLists.txt dependencies and source groupings to prevent duplicate symbols.
- standardizing Effect constructor signature for seq_compiler compatibility.
- Implemented Hybrid3DEffect using bumpy Renderer3D and procedural NOISE_TEX.
- Updated MainSequence to support depth buffer for 3D elements.
- Formatted all source files with clang-format.
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- Added depth buffer support to MainSequence.
- Implemented Hybrid3DEffect for the main timeline.
- Fixed effect initialization order in MainSequence.
- Ensured depth-stencil compatibility for all scene effects.
- Updated demo sequence with 3D elements and post-processing.
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