24 lines
783 B
JavaScript
24 lines
783 B
JavaScript
export default function (part) {
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let { Point, points, Path, paths, measurements, options } = part.shorthand()
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let tweak = 1
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let target = (measurements.head * options.neckRatio) / 4
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let delta
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do {
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points.right = new Point((tweak * measurements.head) / 10, 0)
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points.bottom = new Point(0, (tweak * measurements.head) / 12)
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points.rightCp1 = points.right.shift(90, points.bottom.dy(points.right) / 2)
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points.bottomCp2 = points.bottom.shift(0, points.bottom.dx(points.right) / 2)
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paths.neck = new Path()
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.move(points.right)
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.curve(points.rightCp1, points.bottomCp2, points.bottom)
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delta = paths.neck.length() - target
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if (delta > 0) tweak = tweak * 0.99
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else tweak = tweak * 1.02
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} while (Math.abs(delta) > 1)
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return part
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}
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