36 lines
992 B
JavaScript
36 lines
992 B
JavaScript
import { normalizeRadian } from './util.js';
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var PI2 = Math.PI * 2;
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export function containStroke(cx, cy, r, startAngle, endAngle, anticlockwise, lineWidth, x, y) {
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if (lineWidth === 0) {
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return false;
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}
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var _l = lineWidth;
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x -= cx;
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y -= cy;
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var d = Math.sqrt(x * x + y * y);
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if ((d - _l > r) || (d + _l < r)) {
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return false;
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}
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if (Math.abs(startAngle - endAngle) % PI2 < 1e-4) {
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return true;
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}
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if (anticlockwise) {
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var tmp = startAngle;
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startAngle = normalizeRadian(endAngle);
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endAngle = normalizeRadian(tmp);
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}
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else {
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startAngle = normalizeRadian(startAngle);
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endAngle = normalizeRadian(endAngle);
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}
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if (startAngle > endAngle) {
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endAngle += PI2;
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}
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var angle = Math.atan2(y, x);
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if (angle < 0) {
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angle += PI2;
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}
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return (angle >= startAngle && angle <= endAngle)
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|| (angle + PI2 >= startAngle && angle + PI2 <= endAngle);
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}
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