@chongma/gltf-builder
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1.0.6 • Public • Published

Gltf builder

The spec file GltfBuilder.spec.ts contains examples of usage.

Writing points

Use a points builder to build the points structure. Then build it using the GltfBuilder

const gltfBuilder = new GltfBuilder()
const verticesCount = vertices.length
const pointsBuilder = new PointsBuilder(verticesCount, scale)
pointsBuilder.addVertices(vertices)
pointsBuilder.buildGltf(gltfBuilder)
const gltf = gltfBuilder.build()
console.log(JSON.stringify(gltf))

Writing lines

Use a line builder to build the line structure. Then build it using the GltfBuilder

const gltfBuilder = new GltfBuilder()
const verticesCount = vertices.length
const indexesCount = vertices.length
const lineBuilder = new LinesBuilder(verticesCount, indexesCount, scale, LineType.LINE_STRIP)
vertices.forEach(vertex => {
    const index = lineBuilder.addVertex(vertex)
    lineBuilder.addIndex(index)
})
lineBuilder.buildGltf(gltfBuilder)
const gltf = gltfBuilder.build()
console.log(JSON.stringify(gltf))

Writing triangles

Writing Gltf to file

The Gltf can be written to file by stringifying the JSON object

const gltfBuilder = new GltfBuilder()
// add contents
const gltf = gltfBuilder.build()
fs.writeFileSync(path, JSON.stringify(gltf));

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Install

npm i @chongma/gltf-builder

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Version

1.0.6

License

ISC

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48 kB

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34

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  • chongma