58 lines
1.4 KiB
JavaScript
58 lines
1.4 KiB
JavaScript
const m = require('makerjs')
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const fs = require('fs-extra')
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const deepcopy = exports.deepcopy = (value) => JSON.parse(JSON.stringify(value))
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exports.dump_model = (model, file='model', json=false) => {
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const assembly = m.model.originate({
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models: deepcopy(model),
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units: 'mm'
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})
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if (json) fs.writeFileSync(`${file}.json`, JSON.stringify(assembly, null, ' '))
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fs.writeFileSync(`${file}.dxf`, m.exporter.toDXF(assembly))
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}
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const line = exports.line = (a, b) => {
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return new m.paths.Line(a, b)
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}
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exports.circle = (p, r) => {
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return new m.paths.Circle(p, r)
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}
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exports.rect = (w, h, o=[0, 0], mirrored=false) => {
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const res = {
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top: line([0, h], [w, h]),
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right: line([w, h], [w, 0]),
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bottom: line([w, 0], [0, 0]),
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left: line([0, 0], [0, h])
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}
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if (mirrored) {
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for (const [key, val] of Object.entries(res)) {
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const tmp = val.origin
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val.origin = val.end
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val.end = tmp
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}
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}
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return m.model.move({paths: res}, o)
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}
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const eq = exports.eq = (a=[], b=[]) => {
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return a[0] === b[0] && a[1] === b[1]
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}
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exports.poly = (arr) => {
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let counter = 0
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let prev = arr[arr.length - 1]
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const res = {
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paths: {}
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}
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for (const p of arr) {
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if (eq(prev, p)) continue
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res.paths['p' + (++counter)] = line(prev, p)
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prev = p
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}
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return res
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}
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