Last active
February 4, 2016 22:33
-
-
Save atlefren/04022357ed86009afd79 to your computer and use it in GitHub Desktop.
This file contains hidden or 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
| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta http-equiv="X-UA-Compatible" content="IE=edge"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| </head> | |
| <body> | |
| <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js"></script> | |
| <script type="text/javascript"> | |
| function midpoint(p1, p2) { | |
| return (p2 + p1) / 2; | |
| } | |
| function split (points) { | |
| return _.reduce(_.range(1, points.length), function (acc, idx) { | |
| var p1 = points[idx - 1]; | |
| var p2 = points[idx]; | |
| var m = midpoint(p1, p2); | |
| if (idx === 1) { | |
| return acc.concat([p1, m, p2]); | |
| } else { | |
| return acc.concat([m, p2]); | |
| } | |
| }, []); | |
| } | |
| function splitline(points, num) { | |
| var res = split(points); | |
| return res.length < num ? splitline(res, num): res; | |
| } | |
| var res = splitline([0, 10], 8); | |
| console.log(res); | |
| </script> | |
| </body> | |
| </html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment