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Co-Authored-By: 狸花猫/Claude-Qwen3.6-Plus 🐾
37 lines
1.0 KiB
JavaScript
37 lines
1.0 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var isBetween = function (value, min, max) { return value >= min && value <= max; };
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function getLineIntersect(p0, p1, p2, p3) {
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var tolerance = 0.001;
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var E = {
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x: p2.x - p0.x,
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y: p2.y - p0.y,
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};
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var D0 = {
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x: p1.x - p0.x,
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y: p1.y - p0.y,
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};
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var D1 = {
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x: p3.x - p2.x,
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y: p3.y - p2.y,
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};
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var kross = D0.x * D1.y - D0.y * D1.x;
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var sqrKross = kross * kross;
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var sqrLen0 = D0.x * D0.x + D0.y * D0.y;
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var sqrLen1 = D1.x * D1.x + D1.y * D1.y;
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var point = null;
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if (sqrKross > tolerance * sqrLen0 * sqrLen1) {
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var s = (E.x * D1.y - E.y * D1.x) / kross;
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var t = (E.x * D0.y - E.y * D0.x) / kross;
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if (isBetween(s, 0, 1) && isBetween(t, 0, 1)) {
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point = {
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x: p0.x + s * D0.x,
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y: p0.y + s * D0.y,
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};
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}
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}
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return point;
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}
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exports.default = getLineIntersect;
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;
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//# sourceMappingURL=get-line-intersect.js.map
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