diff options
Diffstat (limited to 'utils/vec.js')
-rw-r--r-- | utils/vec.js | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/utils/vec.js b/utils/vec.js index f4a625c..3996fc2 100644 --- a/utils/vec.js +++ b/utils/vec.js @@ -27,3 +27,7 @@ exports.dot = function(orig,vec){ exports.tileToChar = function(orig){ return exports.dot(orig, [8,16]); } +exports.norm = function(orig){ + let sum = orig.reduce( (acc, cur) => acc+cur ); + return exports.dot(orig, 1/sum); +} |