intersectLineSegmentLineSegment • tldraw SDK

Find the intersection between a line segment and a line segment.

function intersectLineSegmentLineSegment(
  a1: VecLike,
  a2: VecLike,
  b1: VecLike,
  b2: VecLike
): null | Vec

Parameters

Name	Description
`a1`	`VecLike` The first segment's first point.
`a2`	`VecLike` The first segment's second point.
`b1`	`VecLike` The second segment's first point.
`b2`	`VecLike` The second segment's second point.

Returns

null | Vec