Advanced Topics¶

Deep-dive into LooK's advanced features and architecture.

Advanced Guides¶

When to Use Advanced Features¶

Intelligent Exploration¶

Use when:

• You want LooK to automatically discover all pages
• Creating comprehensive site walkthroughs
• Letting AI decide what's most important to show

look walkthrough https://myapp.com --max-pages 10

AI Enhancements¶

Use when:

• Customizing AI analysis behavior
• Adjusting script generation prompts
• Fine-tuning voiceover timing

API Integration¶

Use when:

• Automating demo generation in CI/CD
• Building tools on top of LooK
• Creating custom workflows

import { generateDemo } from 'look-demo';

// Automated demo generation
await generateDemo(url, options);

Architecture Overview¶

graph TB
    subgraph Input
        URL[Website URL]
        APK[Mobile App]
    end

    subgraph Analysis
        Vision[GPT-4 Vision]
        Script[Script Generator]
    end

    subgraph Recording
        Browser[Playwright]
        Mobile[Appium]
        Cursor[Cursor Tracker]
    end

    subgraph Processing
        Zoom[Auto Zoom]
        Effects[Click Effects]
        Voice[TTS]
    end

    subgraph Output
        Video[Final Video]
    end

    URL --> Vision
    APK --> Mobile
    Vision --> Script
    Script --> Browser
    Browser --> Cursor
    Mobile --> Cursor
    Cursor --> Zoom
    Zoom --> Effects
    Effects --> Voice
    Voice --> Video

Performance Considerations¶

Memory Usage¶

• Default recording uses ~2GB RAM
• Long recordings (>60s) may need more
• Use NODE_OPTIONS="--max-old-space-size=8192" for large projects

Disk Space¶

• Temporary files: ~500MB per recording
• Project files: ~100MB per project
• Clean up with rm -rf ~/.look-demo/cache/*

API Costs¶