Vmd.js

Load and modify your Mikumikudance vmd file with js!

Features

The Vmd file is a binary file. At present, it can only be edited by the mikumikudance.exe on windows.

Only javascript

read ArrayBuffer of the file, thanks

• Official document
• [MMD] Use python to parse VMD format to read

for the document of reading vmd file

Timeline

The object returned by vmd.js will add a timeline attribute, which can be used to view by FrameTime

Examples

Installation

npm i vmd.js
# or
yarn add vmd.js

Import it

import Vmd from'vmd.js'

// or

const Vmd = require('vmd')

Create vmd from file

fetch('test.vmd')
  .then(res => res.blob())
  .then(blob => blob.arrayBuffer())
  .then(arrayBuffer => new Vmd(arrayBuffer))

Export vmd as arrayBuffer

import {saveAs} from'file-saver'
const arrayBuffer = vmd.write()
    const url = URL.createObjectURL(new Blob([arrayBuffer]))
    saveAs(url,'your.vmd')

Some Attribute provided

VERSION

V1, V2 version string

BONE_NAME

The list of bone names in Japanese, like ['センター','upper body','头','头', ...]

BoneFrame

Bone frame

• boneName
• frameTime
• translation
• rotation
• curveX
• curveY
• curveZ
• curveR

MorphFrame

Emoticon frame

• morphName
• frameTime
• weight

CameraFrame

Camera frame

• frameTime
• distance
• position
• rotation
• curve
• viewAngle
• orthographic

LightFrame

Light frame

• frameTime
• rgb
• direction

Vmd class

Contains all the data of the vmd file

Variable

• version - version, there is V1 and V2

• modelName - model name, have length limit

• boneFrames - bone key frames

• morphFrames - Emoji key frames

• cameraFrames - camera key frames

• lightFrames - light key frames

• timeline - read-only variable, automatically sorted according to the key frame time{frameTime: number, boneFrames: BoneFrame[], morphFrames: MorphFrame[], cameraFrames: CameraFrame[], lightFrames: LightFrame[]}[]

Method

write

Regenerate the data into a binary file, you can export this ArrayBuffer as a file