linkz

1 files changed, 3 insertions, 1 deletions

diff --git a/js/util.js b/js/util.js
index f76fc8e..22f12bc 100644
--- a/js/util.js
+++ b/js/util.js
@@ -55,7 +55,9 @@ function mod(n,m){ return n-(m * floor(n/m)) }
 function dist(x0,y0,x1,y1){ return sqrt(pow(x1-x0,2)+pow(y1-y0,2)) }
 function angle(x0,y0,x1,y1){ return atan2(y1-y0,x1-x0) }
 function avg(m,n,a){ return (m*(a-1)+n)/a }
-function quantize(a,b){ return ~~(a/b)*b }
+function quantize(a,b){ return round(a/b)*b }
+function quantize_down(a,b){ return floor(a/b)*b }
+function quantize_up(a,b){ return ceil(a/b)*b }
 
 function pixel(x,y){ return 4*(mod(y,actual_h)*actual_w+mod(x,actual_w)) }
 function rgbpixel(d,x,y){