61 lines
1.1 KiB
Markdown
61 lines
1.1 KiB
Markdown
---
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title: curvesIntersect()
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---
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```js
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array | false utils.curvesIntersect(
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Point startA,
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Point Cp1A,
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Point Cp2A,
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Point endA,
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Point startB,
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Point Cp1B,
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Point Cp2B,
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Point endB)
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```
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Finds the intersections between two curves described by 4 points each.
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<Example part="utils_curvesintersect" caption="A Utils.curvesIntersect() example" />
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```js
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let {
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Point,
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points,
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Path,
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paths,
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Snippet,
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snippets,
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utils
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} = part.shorthand();
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points.A = new Point(10, 10);
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points.Acp = new Point(310, 40);
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points.B = new Point(110, 70);
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points.Bcp = new Point(-210, 40);
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points.C = new Point(20, -5);
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points.Ccp = new Point(60, 300);
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points.D = new Point(100, 85);
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points.Dcp = new Point(70, -220);
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paths.curveA = new Path()
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.move(points.A)
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.curve(points.Acp, points.Bcp, points.B);
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paths.curveB = new Path()
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.move(points.C)
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.curve(points.Ccp, points.Dcp, points.D);
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for (let p of utils.curvesIntersect(
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points.A,
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points.Acp,
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points.Bcp,
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points.B,
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points.C,
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points.Ccp,
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points.Dcp,
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points.D
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)) {
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snippets[part.getId()] = new Snippet("notch", p);
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}
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```
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