ergogen/src/cases.js
Bán Dénes 6a5383a7ff Bugfix
2020-09-27 19:08:35 +02:00

75 lines
No EOL
2.6 KiB
JavaScript

const m = require('makerjs')
const u = require('./utils')
const a = require('./assert')
exports.parse = (config, outlines) => {
const cases = a.sane(config, 'cases', 'object')
const results = {}
for (const [case_name, case_config] of Object.entries(cases)) {
// config sanitization
const parts = a.sane(case_config, `cases.${case_name}`, 'array')
const scripts = []
const main = []
let part_index = 0
for (const part of parts) {
const part_name = `cases.${case_name}[${++part_index}]`
a.detect_unexpected(part, part_name, ['outline', 'extrude', 'shift', 'rotate', 'operation'])
const outline = outlines[part.outline]
a.assert(outline, `Field ${part_name}.outline does not name a valid outline!`)
const extrude = a.sane(part.extrude || 1, `${part_name}.extrude`, 'number')
const shift = a.numarr(part.shift || [0, 0, 0], `${part_name}.shift`, 3)
const rotate = a.numarr(part.rotate || [0, 0, 0], `${part_name}.rotate`, 3)
const operation = a.in(part.operation || 'add', `${part_name}.operation`, ['add', 'subtract', 'intersect', 'stack'])
let op = u.union
if (operation == 'subtract') op = u.subtract
else if (operation == 'intersect') op = u.intersect
else if (operation == 'stack') op = u.stack
const part_fn = `${part.outline}_fn`
const part_var = `${part.outline}_var`
scripts.push(m.exporter.toJscadScript(outline, {
functionName: part_fn,
extrude: extrude
}))
let op_statement = `let ${case_name} = ${part_var};`
if (part_index > 1) {
op_statement = `${case_name} = ${case_name}.${operation}(${part_var});`
}
main.push(`
// creating part ${part_index} of case ${case_name}
let ${part_var} = ${part_fn}();
${part_var} = ${part_var}.rotateX(${rotate[0]});
${part_var} = ${part_var}.rotateY(${rotate[1]});
${part_var} = ${part_var}.rotateZ(${rotate[2]});
${part_var} = ${part_var}.translate(${shift});
${op_statement}
`)
}
results[case_name] = `
// individual makerjs exports
${scripts.join('\n\n')}
// combination of parts
function main() {
${main.join('')}
return ${case_name};
}
`
}
return results
}