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