Random Comic Panel Storyboard Generator

Description

Compose supplied fictional scene, action, and dialogue transitions into an exact panel count with continuity and combined UTF-16 text budgets.

A structured creative brief combines a supplied bank of fictional material with explicit sequencing, timing, or compatibility rules. IDs and tags make those constraints inspectable; they do not assess the artistic meaning or quality of a scene.

Compose supplied fictional scene, action, and dialogue transitions into an exact panel count with continuity and combined UTF-16 text budgets.

When to use this tool

Use this generator to create reproducible comic panel storyboard cases from the supplied model or bank. Inspect the returned evidence before using cases in a test or exercise.

How to use the tool and how it works

Supply count, startState, endState, templates, textLimit, dialogueWrapWidth in the field shapes below. Set seed when you need an explicit replay.
Run the tool and correct any input error. For generated controls, distinguish a successful fixture containing an invalid case from failure to generate the fixture.
Read fictional, panels. Use the conventions below. Keep answer-bearing fields separate when presenting an exercise.

Use bounded randomized backtracking to choose exactly count panel templates following from/to state continuity from startState to endState. Enforce combined scene/action/dialogue text limits and word-wrap dialogue in each retained panel.^[1]

Delegated operations used for this result: word wrap. Their calculation or parsing conventions apply to the corresponding result fields.^[2]

Input field	Meaning and units	Accepted input
count	Count	Required. Safe integer; minimum 1; maximum 32.
startState	Start State	Required. Text; minimum UTF-16 length 1; maximum UTF-16 length 64.
endState	End State	Required. Text; minimum UTF-16 length 1; maximum UTF-16 length 64.
templates	Templates	Required. Array of Object; no unknown keys.; minimum items 1; maximum items 32.
templates[].id	Literal identifier used independently of display labels.	Required. Text; minimum UTF-16 length 1; maximum UTF-16 length 64.
templates[].from	From	Required. Text; minimum UTF-16 length 1; maximum UTF-16 length 64.
templates[].to	To	Required. Text; minimum UTF-16 length 1; maximum UTF-16 length 64.
templates[].scene	Scene	Required. Text; maximum UTF-16 length 2048.
templates[].action	Action	Required. Text; maximum UTF-16 length 2048.
templates[].dialogue	Dialogue	Required. Text; maximum UTF-16 length 2048.
textLimit	Text Limit	Required. Safe integer; minimum 0; maximum 6144.
dialogueWrapWidth	Dialogue Wrap Width	Required. Safe integer; minimum 1; maximum 2048.
seed	Optional numeric seed; takes precedence over context randomness. Without either, use the fixed tool.io default seed.	Optional. Safe integer.

Output field	Interpretation	Returned shape
fictional	Fictional	Required. Boolean; exactly true.
panels	Panels	Required. Array of Object; no unknown keys.; minimum items 1; maximum items 32.
panels[].id	Literal identifier used independently of display labels.	Required. Text; minimum UTF-16 length 1; maximum UTF-16 length 64.
panels[].from	From	Required. Text; minimum UTF-16 length 1; maximum UTF-16 length 64.
panels[].to	To	Required. Text; minimum UTF-16 length 1; maximum UTF-16 length 64.
panels[].scene	Scene	Required. Text; maximum UTF-16 length 2048.
panels[].action	Action	Required. Text; maximum UTF-16 length 2048.
panels[].dialogue	Dialogue	Required. Text; maximum UTF-16 length 2048.
panels[].panel	Panel	Required. Safe integer; minimum 1; maximum 32.
panels[].textLength	Text Length	Required. Safe integer; minimum 0; maximum 6144.
panels[].wrappedDialogue	Wrapped Dialogue	Required. Text; maximum UTF-16 length 2048.
randomness	Replay source and normalized 32-bit seed, or null seed for an advancing context source.	Required. Object; no unknown keys.
randomness.seed	Optional safe-integer replay seed; normalization and precedence are explained below.	Required. Safe integer. or Null.
randomness.source	Source	Required. Text; one of "context", "seed".

An explicit safe-integer seed takes precedence over injected context randomness and is normalized to an unsigned 32-bit integer. With no seed and no context source, replay uses the fixed tool.io default seed. A context source must return finite values from zero inclusive to one exclusive; its advancing state must be retained separately. randomness records the source and normalized seed, or null for context. These generators are not cryptographic random sources.

json

{
  "input": {
    "count": 2,
    "startState": "quay",
    "endState": "home",
    "templates": [
      {
        "id": "find",
        "from": "quay",
        "to": "tower",
        "scene": "Harbor",
        "action": "Find the bell",
        "dialogue": "Here!"
      },
      {
        "id": "return",
        "from": "tower",
        "to": "home",
        "scene": "Tower",
        "action": "Carry it home",
        "dialogue": "At last"
      }
    ],
    "textLimit": 25,
    "dialogueWrapWidth": 8,
    "seed": 42
  },
  "output": {
    "fictional": true,
    "panels": [
      {
        "id": "find",
        "from": "quay",
        "to": "tower",
        "scene": "Harbor",
        "action": "Find the bell",
        "dialogue": "Here!",
        "panel": 1,
        "textLength": 24,
        "wrappedDialogue": "Here!"
      },
      {
        "id": "return",
        "from": "tower",
        "to": "home",
        "scene": "Tower",
        "action": "Carry it home",
        "dialogue": "At last",
        "panel": 2,
        "textLength": 25,
        "wrappedDialogue": "At last"
      }
    ],
    "randomness": {
      "seed": 42,
      "source": "seed"
    }
  }
}

Limitations and assumptions

Templates can repeat and the text limit counts UTF-16 units before wrapping. State continuity is supplied metadata, not a judgment of narrative coherence, panel geometry, or artistic quality.
A replay requires the same complete input and implementation. The stated sampling convention applies within its eligible space. A finite draw does not exhaust all possible outputs; repeats remain possible unless a distinct-selection rule is explicit.
The field tables state structural bounds; cross-field constraints and bounded search or output budgets also apply. Unknown keys are rejected where the object contract disallows them. Input errors are distinct from null fields and deliberate invalid controls in a successful output.

Alternative or Complementary methods

For a supplied example, inspect the returned construction or delegated check directly. To evaluate a consumer, also test cases chosen for its own boundaries; a generated finite corpus does not establish exhaustive coverage.

References

Tool behavior and example: Random Comic Panel Storyboard Generator — tool.io
Calculation or validation: text/word-wrap — tool.io

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