mirror of
https://github.com/TECHNOFAB11/ergogen.git
synced 2025-12-15 01:13:51 +01:00
75 lines
2.7 KiB
JavaScript
75 lines
2.7 KiB
JavaScript
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const m = require('makerjs')
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const u = require('./utils')
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const a = require('./assert')
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const Point = require('./point')
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const makerjs2jscad = exports._makerjs2jscad = (model, resolution = 32) => {
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const commands = []
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m.model.walk(model, {
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onPath: wp => {
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const p = wp.pathContext
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switch (p.type) {
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case 'line':
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commands.push(`new CSG.Path2D([ ${p.origin}, ${p.end} ]);`)
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break
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case 'arc':
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const angle_start = p.startAngle > p.endAngle ? p.startAngle - 360 : p.startAngle
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commands.push(`CSG.Path2D.arc({
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center: ${p.origin},
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radius: ${p.radius},
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startangle: ${angle_start},
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endangle: ${p.endAngle},
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resolution: ${resolution}
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});`)
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break
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case 'circle':
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commands.push(`CSG.Path2D.arc({
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center: ${p.origin},
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radius: ${p.radius},
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startangle: 0,
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endangle: 360,
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resolution: ${resolution}
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});`)
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break
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default:
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throw new Error(`Can't convert path type "${p.type}" to jscad!`)
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}
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}
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})
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return commands
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}
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exports.parse = (config, points, outlines) => {
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const cases = a.sane(config, 'cases', 'object')
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const results = {}
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for (const [case_name, case_config] of Object.entries(cases)) {
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// config sanitization
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parts = a.sane(case_config, `cases.${case_name}`, 'array')
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let part_index = 0
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for (const part of parts) {
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const part_name = `cases.${case_name}[${++part_index}]`
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a.detect_unexpected(part, part_name, ['outline', 'extrude', 'shift', 'rotate', 'operation'])
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const outline = outlines[part.outline]
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a.assert(outline, `Field ${part_name}.outline does not name a valid outline!`)
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const extrude = a.sane(part.extrude || 1, `${part_name}.extrude`, 'number')
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const shift = a.numarr(part.shift || [0, 0, 0], `${part_name}.shift`, 3)
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const rotate = a.numarr(part.rotate || [0, 0, 0], `${part_name}.rotate`, 3)
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const operation = a.in(part.operation || 'add', `${part_name}.operation`, ['add', 'subtract', 'intersect', 'stack'])
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let op = u.union
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if (operation == 'subtract') op = u.subtract
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else if (operation == 'intersect') op = u.intersect
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else if (operation == 'stack') op = u.stack
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}
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}
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return results
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}
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