path.intersectionWithLine(line [, opt])
Return an array of the intersection points of the path and the line. Return null
if no intersection exists.
The opt
argument is optional. Two properties may be specified, opt.precision
and opt.segmentSubdivisions
, which determine maximum error allowed in pointAtLength
calculations for curved segments (default precision is 3; this corresponds to maximum observed error of 0.1%). The opt.segmentSubdivisions
property is an array of individual segments' subdivision arrays. The path.getSegmentSubdivisions()
function may be used to obtain the segmentSubdivisions
array. The opt.precision
property is still necessary, however; it determines the precision of the point search algorithm in curved segments.