119 lines
2.7 KiB
Markdown
119 lines
2.7 KiB
Markdown
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# Scene Planning Reference
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## Narrative Arc Structures
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### Discovery Arc (most common)
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1. Hook -- pose a question or surprising result
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2. Intuition -- build visual understanding
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3. Formalize -- introduce the equation/algorithm
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4. Reveal -- the "aha moment"
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5. Extend -- implications or generalizations
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### Problem-Solution Arc
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1. Problem -- what's broken
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2. Failed attempt -- obvious approach fails
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3. Key insight -- the idea that works
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4. Solution -- implement it
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5. Result -- show improvement
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### Comparison Arc
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1. Setup -- introduce two approaches
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2. Approach A -- how it works
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3. Approach B -- how it works
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4. Contrast -- differences
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5. Verdict -- which is better
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### Build-Up Arc (architecture/systems)
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1. Component A -- first piece
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2. Component B -- second piece
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3. Connection -- how they interact
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4. Scale -- add more pieces
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5. Full picture -- zoom out
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## Scene Transitions
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### Clean Break (default)
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```python
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self.play(FadeOut(Group(*self.mobjects)), run_time=0.5)
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self.wait(0.3)
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```
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### Carry-Forward
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Keep one element, fade the rest. Next scene starts with it still on screen.
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### Transform Bridge
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End scene with a shape, start next scene by transforming it.
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## Cross-Scene Consistency
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```python
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# Shared constants at file top
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BG = "#1C1C1C"
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PRIMARY = "#58C4DD"
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SECONDARY = "#83C167"
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ACCENT = "#FFFF00"
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TITLE_SIZE = 48
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BODY_SIZE = 30
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LABEL_SIZE = 24
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FAST = 0.8; NORMAL = 1.5; SLOW = 2.5
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```
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## Scene Checklist
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- [ ] Background color set
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- [ ] Subcaptions on every animation
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- [ ] `self.wait()` after every reveal
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- [ ] Text buff >= 0.5 for edge positioning
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- [ ] No text overlap
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- [ ] Color constants used (not hardcoded)
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- [ ] Opacity layering applied
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- [ ] Clean exit at scene end
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- [ ] No more than 5-6 elements visible at once
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## Duration Estimation
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| Content | Duration |
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|---------|----------|
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| Title card | 3-5s |
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| Concept introduction | 10-20s |
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| Equation reveal | 15-25s |
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| Algorithm step | 5-10s |
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| Data comparison | 10-15s |
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| "Aha moment" | 15-30s |
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| Conclusion | 5-10s |
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## Planning Template
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```markdown
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# [Video Title]
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## Overview
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- **Topic**: [Core concept]
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- **Hook**: [Opening question]
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- **Aha moment**: [Key insight]
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- **Target audience**: [Prerequisites]
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- **Length**: [seconds/minutes]
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- **Resolution**: 480p (draft) / 1080p (final)
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## Color Palette
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- Background: #1C1C1C
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- Primary: #58C4DD -- [purpose]
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- Secondary: #83C167 -- [purpose]
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- Accent: #FFFF00 -- [purpose]
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## Arc: [Discovery / Problem-Solution / Comparison / Build-Up]
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## Scene 1: [Name] (~Ns)
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**Purpose**: [one sentence]
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**Layout**: [FULL_CENTER / LEFT_RIGHT / GRID / PROGRESSIVE]
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### Visual elements
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- [Mobject: type, position, color]
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### Animation sequence
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1. [Animation] -- [what it reveals] (~Ns)
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### Subtitle
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"[text]"
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```
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