Scene Planning Reference

Narrative Arc Structures

Discovery Arc (most common)

1. Hook -- pose a question or surprising result

2. Intuition -- build visual understanding

3. Formalize -- introduce the equation/algorithm

4. Reveal -- the "aha moment"

5. Extend -- implications or generalizations

Problem-Solution Arc

1. Problem -- what's broken

2. Failed attempt -- obvious approach fails

3. Key insight -- the idea that works

4. Solution -- implement it

5. Result -- show improvement

Comparison Arc

1. Setup -- introduce two approaches

2. Approach A -- how it works

3. Approach B -- how it works

4. Contrast -- differences

5. Verdict -- which is better

Build-Up Arc (architecture/systems)

1. Component A -- first piece

2. Component B -- second piece

3. Connection -- how they interact

4. Scale -- add more pieces

5. Full picture -- zoom out

Scene Transitions

Clean Break (default)

`python

self.play(FadeOut(Group(*self.mobjects)), run_time=0.5)

self.wait(0.3)

`

Carry-Forward

Keep one element, fade the rest. Next scene starts with it still on screen.

Transform Bridge

End scene with a shape, start next scene by transforming it.

Cross-Scene Consistency

`python

Shared constants at file top

BG = "#1C1C1C"

PRIMARY = "#58C4DD"

SECONDARY = "#83C167"

ACCENT = "#FFFF00"

TITLE_SIZE = 48

BODY_SIZE = 30

LABEL_SIZE = 24

FAST = 0.8; NORMAL = 1.5; SLOW = 2.5

`

Scene Checklist

• - [ ] Background color set
• - [ ] Subcaptions on every animation
• - [ ] self.wait() after every reveal
• - [ ] Text buff >= 0.5 for edge positioning
• - [ ] No text overlap
• - [ ] Color constants used (not hardcoded)
• - [ ] Opacity layering applied
• - [ ] Clean exit at scene end
• - [ ] No more than 5-6 elements visible at once

Duration Estimation

Content	Duration
---------	----------
Title card	3-5s
Concept introduction	10-20s
Equation reveal	15-25s
Algorithm step	5-10s
Data comparison	10-15s
"Aha moment"	15-30s
Conclusion	5-10s

Planning Template

`markdown

[Video Title]

Overview

• - Topic: [Core concept]
• - Hook: [Opening question]
• - Aha moment: [Key insight]
• - Target audience: [Prerequisites]
• - Length: [seconds/minutes]
• - Resolution: 480p (draft) / 1080p (final)

Color Palette

• - Background: #1C1C1C
• - Primary: #58C4DD -- [purpose]
• - Secondary: #83C167 -- [purpose]
• - Accent: #FFFF00 -- [purpose]

Arc: [Discovery / Problem-Solution / Comparison / Build-Up]

Scene 1: [Name] (~Ns)

Purpose: [one sentence]

Layout: [FULL_CENTER / LEFT_RIGHT / GRID / PROGRESSIVE]

Visual elements

• - [Mobject: type, position, color]

Animation sequence

1. [Animation] -- [what it reveals] (~Ns)

Subtitle

"[text]"

`