freesewing/markdown/dev/reference/api/utils/linesintersect/en.md

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## title: linesIntersect()

```js
Point | false utils.linesIntersect(
  Point A, 
  Point B, 
  Point C, 
  Point D
)
```

Finds the intersection between two line segments. Returns a [Point](#point) object
for the intersection, or `false` if the lines don't intersect.

<Example part="utils_linesintersect" caption="A Utils.linesIntersect() example" />

```js
let {
  Point,
  points,
  Path,
  paths,
  Snippet,
  snippets,
  utils
} = part.shorthand();

points.A = new Point(10, 10);
points.B = new Point(50, 40);
points.C = new Point(15, 30);
points.D = new Point(60, 15);

paths.AB = new Path().move(points.A).line(points.B);
paths.CD = new Path().move(points.C).line(points.D);

snippets.X = new Snippet(
  "notch",
  utils.linesIntersect(points.A, points.B, points.C, points.D)
);
```