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| author | Jules Laplace <jules@okfoc.us> | 2014-04-24 11:56:22 -0400 |
|---|---|---|
| committer | Jules Laplace <jules@okfoc.us> | 2014-04-24 11:56:22 -0400 |
| commit | 796e1194d13bfa16f41676d81f7d9cdb4b9fc96f (patch) | |
| tree | e082ad1cad5e52460955342592e2cc8014372201 /assets/javascripts/util.js | |
| parent | a9f550c6981d96d5ff0910601586a7477396fe56 (diff) | |
mouse events on walls (prism box)
Diffstat (limited to 'assets/javascripts/util.js')
| -rw-r--r-- | assets/javascripts/util.js | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/assets/javascripts/util.js b/assets/javascripts/util.js index 8a0e5ba..89889c4 100644 --- a/assets/javascripts/util.js +++ b/assets/javascripts/util.js @@ -155,3 +155,9 @@ function invert_hash (h) { return k } +function bitcount(v) { + v = v - ((v >>> 1) & 0x55555555); + v = (v & 0x33333333) + ((v >>> 2) & 0x33333333); + return ((v + (v >>> 4) & 0xF0F0F0F) * 0x1010101) >>> 24; +} + |