19 lines
532 B
JavaScript
19 lines
532 B
JavaScript
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export function drawContour(ctx, points, isClosed = false) {
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ctx.beginPath();
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points.slice(1).forEach(({ x, y }, prevIdx) => {
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const from = points[prevIdx];
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ctx.moveTo(from.x, from.y);
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ctx.lineTo(x, y);
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});
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if (isClosed) {
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const from = points[points.length - 1];
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const to = points[0];
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if (!from || !to) {
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return;
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}
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ctx.moveTo(from.x, from.y);
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ctx.lineTo(to.x, to.y);
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}
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ctx.stroke();
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}
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//# sourceMappingURL=drawContour.js.map
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