Last active
September 26, 2023 20:01
-
-
Save heygleeson/bab8c68cbc27b216d92a5b596e2e23fa to your computer and use it in GitHub Desktop.
array_shuffle() for GameMaker Studio 2.3.1
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
| // Adds to GMS2.3.1's new "array_" functions. | |
| // Based of Fisher-Yates Shuffle https://bost.ocks.org/mike/shuffle/ | |
| function array_shuffle(_array) { | |
| var _len = array_length(_array), _last = 0, _i = 0; | |
| while(_len) { | |
| _i = irandom(--_len); | |
| _last = _array[_len]; | |
| _array[_len] = _array[_i]; | |
| _array[_i] = _last; | |
| } | |
| return _array; | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Hey, thanks so much for this code! Took me a while to understand such simple concept.
If I am understanding this correctly, basically this function just swaps 2 array positions (_len array position & _i array position) for a number of times (array_length).