mriveralee

//JavaScript implementation of winding number algorithm to determine whether a point is inside a polygon
//Based on C++ implementation of wn_PnPoly() published on http://geomalgorithms.com/a03-_inclusion.html

function pointInPolygon(point, vs) {    
    var x = parseFloat(point[0]), y = parseFloat(point[1]);

    var wn = 0;

    for (var i = 0, j = vs.length - 1; i < vs.length; j = i++) {
      var xi = parseFloat(vs[i][0]), yi = parseFloat(vs[i][1]);

mriveralee

\documentclass{article}

\usepackage[margin=1in]{geometry}
\usepackage{fancyhdr}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{listings}
\usepackage{graphicx}
\usepackage{enumerate}

mriveralee

<?
/////////////////////
// slack2html
// by @levelsio
/////////////////////
//
/////////////////////
// WHAT DOES THIS DO?
/////////////////////
//

mriveralee

Javascript Review

Table of contents

1. Objects
2. Functions
3. Closures
4. The call and apply methods
5. Prototypes and constructors

mriveralee

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