Enhanced Wormhole Integration with Layered Static, Fade Transitions, and Audio

[Jonnysol]

Enhanced Wormhole Integration with Layered Static, Fade Transitions, and Audio

Summary

This PR significantly enhances the welcome banner and wormhole transition experience with premium visual effects and audio integration. The changes implement a more sophisticated transition system that layers TV static over the wormhole video, adds synchronized audio effects, and creates smoother fade-in/fade-out transitions. The welcome banner has also been resized to create a more refined floating popup appearance.

Key Changes:

• Layered Visual Effects: TV static overlay on wormhole video with animated opacity (0.4 → 0.7 → 0)
• Audio Integration: Synchronized wormhole audio SFX (science-fiction-effect-015.mp3) with fade-out
• Enhanced Transitions: Fade-in/fade-out effects with CSS transitions and timing coordination
• Accelerated Playback: Wormhole video speed increased to 1.7x for faster transition
• Refined Banner: Reduced size (450px width, 65vh height) with enhanced green glow effects
• Build System: Updated deployment script to include wormhole audio file

Review & Testing Checklist for Human

• Test complete wormhole transition flow - Click "Time Travel" button and verify the sequence: banner dismissal → fade-in → static overlay → audio sync → fade-out → main app initialization
• Verify audio playback - Ensure wormhole.mp3 plays correctly, syncs with video, and fades out properly (test multiple browsers)
• Check banner appearance - Verify the reduced banner size (450px) looks good on different screen sizes and maintains readability
• Test timing coordination - Ensure the 1.7x video speed feels natural and the static overlay timing (0.5s → 1.5s → 2.5s) creates smooth visual progression
• Cross-browser compatibility - Test in Chrome, Firefox, Safari to ensure CSS blend modes and audio work consistently

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Diagram

%%{ init : { "theme" : "default" }}%%
graph TD
    A["src/core/generator.py<br/>(Major Edit)"]:::major-edit
    B["build_web.py<br/>(Minor Edit)"]:::minor-edit
    C["src/assets/sounds/wormhole.mp3<br/>(New File)"]:::major-edit
    D["Welcome Banner<br/>(HTML/CSS)"]:::context
    E["Wormhole Overlay<br/>(HTML/CSS/JS)"]:::context
    F["TV Static System<br/>(Existing)"]:::context
    
    A --> D
    A --> E
    A --> F
    B --> C
    C --> E
    
    A -.->|"Enhanced styling<br/>reduced size"| D
    A -.->|"Layered effects<br/>fade transitions"| E
    A -.->|"Overlay coordination<br/>timing sync"| F
    
    subgraph Legend
        L1["Major Edit"]:::major-edit
        L2["Minor Edit"]:::minor-edit
        L3["Context/No Edit"]:::context
    end
    
    classDef major-edit fill:#90EE90
    classDef minor-edit fill:#87CEEB
    classDef context fill:#FFFFFF

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Notes

Implementation Details:

• The wormhole transition now uses a sophisticated timing system with multiple setTimeout calls to coordinate video, audio, and static effects
• CSS classes .fade-in and .fade-out control smooth opacity transitions
• The static overlay uses mix-blend-mode: overlay for authentic TV interference effect
• Audio volume starts at 0.6 and fades to 0.2 before stopping

Potential Concerns:

• Complex timing coordination across multiple async operations could be fragile
• Audio playback reliability varies across browsers and devices
• CSS blend modes may not be supported in older browsers

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This PR was created with assistance from Devin AI
Link to Devin run: https://app.devin.ai/sessions/a77408278d1a463e800147d05e0a5755
Requested by: @Jonnysol

[cursor]

Bug: Audio File Copied Before Directory Creation

The wormhole.mp3 audio file is copied to the assets/sounds directory before that directory is created. The sounds directory is only created later, and conditionally, leading to a FileNotFoundError.

build_web.py#L43-L47

TimeCapsuleTV/build_web.py

Lines 43 to 47 in 9b291fd

	src_wormhole_audio = Path("src/assets/sounds/wormhole.mp3")
	if src_wormhole_audio.exists():
	shutil.copy2(src_wormhole_audio, self.assets_dir / "sounds" / "wormhole.mp3")
	print("✅ Copied wormhole.mp3")

Fix in Cursor • Fix in Web

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