reorder smoothstep args, add julestep fn back

1 files changed, 6 insertions, 2 deletions

diff --git a/js/util.js b/js/util.js
index 46943f9..7bb1c78 100644
--- a/js/util.js
+++ b/js/util.js
@@ -61,9 +61,13 @@ function step(a, b){
                // ^^ bool -> int
 }
 
+function julestep (a,b,n) {
+  return clamp((n - a) / (b - a), 0.0, 1.0);
+}
+
 // hermite curve apparently
-function smoothstep(n,a,b){
-  var t = clamp((n - a) / (b - a), 0.0, 1.0);
+function smoothstep(min,max,n){
+  var t = clamp((n - min) / (max - min), 0.0, 1.0);
   return t * t * (3.0 - 2.0 * t)
 }