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13 lines
376 B
JavaScript
13 lines
376 B
JavaScript
import { line, curveCardinalClosed } from 'd3-shape';
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import range from 'lodash/range';
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const shapeSpline = line().curve(curveCardinalClosed.tension(0.65));
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export function nodeShapePolygon(radius, n) {
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const innerAngle = (2 * Math.PI) / n;
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return shapeSpline(range(0, n).map(k => [
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radius * Math.sin(k * innerAngle),
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-radius * Math.cos(k * innerAngle)
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]));
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}
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