Intersection Point Line

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Intersection Point Line

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Calculate the intersection of two lines or project a ray beam to find collision points accurately.

Discover the intersection of two straight lines, the returned point will be the intersection of those lines.

A line is a list of two points [{x:10, y:10}, {x:50, y:50}]

    lineA = new PointList(
            new Point({x:406, y:76, radius: 20})
            , new Point({x:145, y:397, radius: 20})
        )

    lineB = new PointList(
            new Point({x:206, y:176, radius: 20})
            , new Point({x:245, y:297, radius: 20})
        )

    checkLinesIntersection(lineA, lineB)

We can project (at a length) from line a through line b, essentially as a ray beam for a defined distance.

checkLinesIntersection(lineA, lineB, 400)

When ray projecting, the lineB is essentially a direction rather than just a collision.

Meta Data

title	Intersection Point Line
imports	()
files	('../point_src/core/head.js', '../point_src/pointpen.js', '../point_src/pointdraw.js', '../point_src/setunset.js', '../point_src/stroke.js', '../point_src/point-content.js', '../point_src/pointlistpen.js', '../point_src/pointlist.js', '../point_src/point.js', '../point_src/events.js', '../point_src/automouse.js', '../point_src/distances.js', '../point_src/dragging.js', '../point_src/functions/clamp.js', '../point_src/mirror.js', '../point_src/stage.js', '../point_src/text/label.js', '../point_src/intersections.js')
unused_keys	()
unknown_keys	('categories',)
categories	['intersections']
filepath_exists	True
path	intersection-point-line
filepath	intersection-point-line.js
clean_files	('../point_src/core/head.js', '../point_src/pointpen.js', '../point_src/pointdraw.js', '../point_src/setunset.js', '../point_src/stroke.js', '../point_src/compass.js', '../point_src/center.js', '../point_src/point-content.js', '../point_src/pointlistpen.js', '../point_src/pointlistdraw.js', '../point_src/pointlistgradient.js', '../point_src/pointlistshape.js', '../point_src/pointlistgenerator.js', '../point_src/unpack.js', '../point_src/pointlist.js', '../point_src/relative-xy.js', '../point_src/pointcast.js', '../point_src/point.js', '../point_src/events.js', '../point_src/automouse.js', '../point_src/distances.js', '../point_src/protractor.js', '../point_src/text/beta.js', '../point_src/dragging.js', '../point_src/functions/clamp.js', '../point_src/mirror.js', '../point_src/stage-hooks.js', '../point_src/functions/resolve.js', '../point_src/stage.js', '../point_src/text/label.js', '../point_src/intersections.js')

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Intersection Point Line

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