43 lines
1.5 KiB
JavaScript
43 lines
1.5 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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round: function (so) {
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const C = 0.55191502449
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const { hide = true } = so
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// Find angle between points
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let from = so.from
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let to = so.to
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let via = so.via
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let radius = so.radius
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let prefix = so.prefix || 'round'
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let angle1 = from.angle(via)
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let angle2 = via.angle(to)
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if ((Math.round(angle1) - Math.round(angle2)) % 90 !== 0)
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console.log('Warning: The round macro only handles 90 degree angles correctly.')
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let fd = from.dist(via)
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let td = to.dist(via)
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if (radius > fd || radius > td || typeof radius === 'undefined') radius = fd > td ? td : fd
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this.points[prefix + 'Start'] = via.shiftTowards(from, radius)
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this.points[prefix + 'Cp1'] = via.shiftTowards(from, radius * (1 - C))
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this.points[prefix + 'Cp2'] = via.shiftTowards(to, radius * (1 - C))
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this.points[prefix + 'End'] = via.shiftTowards(to, radius)
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this.paths[prefix + 'Rounded'] = new this.Path()
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.move(this.points[prefix + 'Start'])
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.curve(
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this.points[prefix + 'Cp1'],
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this.points[prefix + 'Cp2'],
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this.points[prefix + 'End']
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)
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.attr('class', so.class ? so.class : '')
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if (hide) this.paths[prefix + 'Rounded'].hide()
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else this.paths[prefix + 'Rounded'].unhide()
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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 roundPlugin = plugin
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export const pluginRound = plugin
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