intersects/polygon-line.js

a simple collection of 2d collision/intersects functions, supporting points, circles, circle outlines (circumference), lines, axis-aligned boxes, and polygons (convex)

var linePolygon = require('./line-polygon')

/**
 * polygon-line collisions
 * @param {number[]} points [x1, y1, x2, y2, ... xn, yn] of polygon
 * @param {number} x1 first point in line
 * @param {number} y1 first point in line
 * @param {number} x2 second point in line
 * @param {number} y2 second point in line
 * @param {tolerance=1} maximum distance of point to polygon's edges that triggers collision (see pointLine)
 * @return {boolean}
 */
module.exports = function polygonLine(points, x1, y1, x2, y2, tolerance)
{
    return linePolygon(x1, y1, x2, y2, points, tolerance)
}