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    bresenham-line-algorithm
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    1.0.3 • Public • Published

    typescript

    Bresenham-line-drawing-algorithm

    This Node.js library (support TypeScript) will facilitate the calculation of Bresenham's line algorithm for a given 2 end points.

    npm install bresenham-line-algorithm
    

    This module covers all the possible scenarios of a line

    • Vertical lines
    • Horizontal lines
    • Dioganal lines
    • Lines where 1 > slope > 0
    • Lines with slope > 1
    • Lines with slope < 0

    Usage

    Method reqire 4 integers (startX, startY, endX, endY) as parameters and bresenham algorithm will generate the line coordinates between the starting and ending points and returns array of objects

    To get the coordinates of line from (1,3) to (7,11) use below code

        let bres = require('bresenham-line-algorithm')
        let pointsList = bres.bresenhamLinePoints(1,3,7,11);

    The above code snippet returns array of objects as below

        [ { x: 1, y: 3 },
        { x: 2, y: 4 },
        { x: 3, y: 5 },
        { x: 3, y: 6 },
        { x: 4, y: 7 },
        { x: 5, y: 8 },
        { x: 6, y: 9 },
        { x: 6, y: 10 },
        { x: 7, y: 11 } ]

    You can access points using below code

          for(const point of pointsList) {
            x = point.x
            y = point.y
            // ...
          }

    Install

    npm i bresenham-line-algorithm

    DownloadsWeekly Downloads

    6

    Version

    1.0.3

    License

    ISC

    Unpacked Size

    7.56 kB

    Total Files

    6

    Last publish

    Collaborators

    • ihalapathirana