51 lines
2 KiB
JavaScript
51 lines
2 KiB
JavaScript
import { name, version } from '../data.mjs'
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export const plugin = {
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name,
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version,
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macros: {
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flip: function (so, { paths, points, snippets }) {
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const axis = so?.axis === 'y' ? 'y' : 'x'
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let flipped = null
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const ops = ['from', 'to', 'cp1', 'cp2']
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for (const id in points) {
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// Keep track of the amount of flips
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// (needed to allow flipping twice, but also avoid double flips in paths below)
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if (flipped === null) {
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flipped = points[id].attributes.get('flipped')
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if (flipped === false) flipped = 1
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else flipped += 1
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}
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points[id][axis] = points[id][axis] * -1
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points[id].attributes.set('flipped', flipped)
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}
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for (let id of Object.keys(paths)) {
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for (let op in paths[id].ops) {
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for (let type of ops) {
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if (typeof paths[id].ops[op][type] !== 'undefined') {
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// Path ops can use points not listed in part.points. We should only flip those here
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// and not double flip the points flipped above
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let wasFlipped = paths[id].ops[op][type].attributes.get('flipped')
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if (wasFlipped !== false) wasFlipped = parseInt(wasFlipped)
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if (wasFlipped !== flipped) {
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paths[id].ops[op][type][axis] = paths[id].ops[op][type][axis] * -1
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paths[id].ops[op][type].attributes.set('flipped', flipped)
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}
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}
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}
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}
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}
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for (let id of Object.keys(snippets)) {
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// Snippets use points not listed in part.points. We should only flip those here
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// and not double flip the points flipped above
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let wasFlipped = snippets[id].anchor.attributes.get('flipped')
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if (wasFlipped !== false) wasFlipped = parseInt(wasFlipped)
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if (wasFlipped !== flipped) snippets[id].anchor[axis] = snippets[id].anchor[axis] * -1
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}
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},
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},
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}
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// More specifically named exports
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export const flipPlugin = plugin
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export const pluginFlip = plugin
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