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wtf is book?

btea/book — explained in plain English

Analysis updated 2026-07-18 · repo last pushed 2023-03-02

JavaScriptAudience · generalComplexity · 3/5DormantSetup · moderate

TL;DR

An interactive Live2D animated character you can add to a website that chats with visitors, moves around the screen, and remembers its position between visits.

Mindmap

mindmap
  root((book))
    What it does
      Animated Live2D character
      Chat responses
      Remembers position
    Tech Stack
      JavaScript
      Live2D
    Use Cases
      Personal blog mascot
      Fan site engagement
      Interactive chat widget
    Behavior
      Draggable on screen
      Hides on IE and mobile
      Rate limited clicks
    Audience
      Bloggers
      Creative site owners

Code map

Detail Auto

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filefunction / class

Why would anyone build with this?

REASON 1

Add an animated Rem character to a personal blog that visitors can chat with and drag around

REASON 2

Give a fan site a persistent, memorable mascot that remembers its position between visits

REASON 3

Wire up your own chatbot backend to power the character's responses to visitor messages

REASON 4

Hide the character automatically for Internet Explorer and mobile visitors where the animation won't work

What's in the stack?

JavaScriptLive2D

How it stacks up

btea/book3rd-eden/ircb.ioa15n/a15n
LanguageJavaScriptJavaScriptJavaScript
Last pushed2023-03-022016-11-162019-04-07
MaintenanceDormantDormantDormant
Setup difficultymoderateeasyeasy
Complexity3/52/52/5
Audiencegeneraldevelopergeneral

Figures from each repo's GitHub metadata at analysis time.

How do you spin it up?

Difficulty · moderate Time to first run · 1h+

You need to wire up your own chatbot backend since one isn't fully pre-built.

Yoink these prompts

Prompt 1
Show me how to add this Live2D character widget to my website and connect it to a chatbot backend
Prompt 2
Explain how the character's drag position and hidden state get saved between page visits
Prompt 3
Help me swap the Turing Robot chatbot integration for a different chat API in this project
Prompt 4
Show me how the rate limiter here prevents spam clicks on the character

Frequently asked questions

wtf is book?

An interactive Live2D animated character you can add to a website that chats with visitors, moves around the screen, and remembers its position between visits.

What language is book written in?

Mainly JavaScript. The stack also includes JavaScript, Live2D.

Is book actively maintained?

Dormant — no commits in 2+ years (last push 2023-03-02).

How hard is book to set up?

Setup difficulty is rated moderate, with roughly 1h+ to a first successful run.

Who is book for?

Mainly general.

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