utils.beamIntersectsY()

The utils.beamIntersectsY() function finds the intersection between an endless line and a given Y-value. Returns a Point object for the intersection, or false there is no intersection.

Signature

Point | false utils.beamIntersectsY(Point A, Point B, float Y)

Example

Preview

Code

({ Point, points, Path, paths, Snippet, snippets, utils, part }) => {

  points.A = new Point(10, 10)
  points.B = new Point(50, 40)
  
  paths.AB = new Path().move(points.A).line(points.B)
  
  snippets.x = new Snippet(
    "notch", 
    utils.beamIntersectsY(points.A, points.B, 30)
  )
  
  paths.help = new Path()
    .move(new Point(0, 30))
    .line(new Point(50, 30))
    .attr("class", "note dashed")

  return part
}

X-Ray

A Utils.beamIntersectsY() example