basic linear spectral manipulation!

1 files changed, 2 insertions, 1 deletions

diff --git a/client/lib/util.js b/client/lib/util.js
index fd48768..1bbee9d 100644
--- a/client/lib/util.js
+++ b/client/lib/util.js
@@ -21,6 +21,7 @@ function lerp(n,a,b){ return (b-a)*n+a }
 function angle(x0,y0,x1,y1){ return Math.atan2(y1-y0,x1-x0) }
 function dist(x0,y0,x1,y1){ return Math.sqrt(Math.pow(x1-x0,2)+Math.pow(y1-y0,2)) }
 function xor(a,b){ a=!!a; b=!!b; return (a||b) && !(a&&b) }
+function quantize(a,b){ return Math.floor(a/b)*b }
 function shuffle(a){
   for (var i = a.length; i > 0; i--){
     var r = randint(i)
@@ -104,7 +105,7 @@ function requestAudioContext (fn) {
 }
 
 export {
-  clamp, choice, mod, lerp, angle, dist, xor,
+  clamp, choice, mod, lerp, angle, dist, xor, quantize,
   randint, randrange, randsign, shuffle, gaussian,
   browser, requestAudioContext,
 }