anestin
anestin
/ polygon-utilities-n1.js
Created
February 27, 2024 13:09
— forked from isedgar/polygon-utilities-n1.js
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| var polygon={ | |
| area: function(points){ | |
| var sum=0, n=points.length; | |
| if(points[0][0] != points[n-1][0] || points[0][1] != points[n-1][1]){ | |
| sum += (points[n-1][0]*points[0][1] - points[0][0]*points[n-1][1]); | |
| } | |
| for(var i=0; i < n-1; ++i){ | |
| sum += (points[i][0]*points[i+1][1] - points[i+1][0]*points[i][1]); |
isedgar
/ polygon-utilities-n1.js
Created
June 15, 2021 18:57
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| var polygon={ | |
| area: function(points){ | |
| var sum=0, n=points.length; | |
| if(points[0][0] != points[n-1][0] || points[0][1] != points[n-1][1]){ | |
| sum += (points[n-1][0]*points[0][1] - points[0][0]*points[n-1][1]); | |
| } | |
| for(var i=0; i < n-1; ++i){ | |
| sum += (points[i][0]*points[i+1][1] - points[i+1][0]*points[i][1]); |