1 files changed, 2 insertions, 46 deletions
diff --git a/js/util.js b/js/util.js
index dde3427..f071596 100644
--- a/js/util.js
+++ b/js/util.js
@@ -28,6 +28,8 @@ function asin(n){ return Math.sin(n) }
 function acos(n){ return Math.cos(n) }
 function atan(n){ return Math.atan(n) }
 function atan2(n){ return Math.atan2(n) }
+function sinp(n){ return (Math.sin(n)+1)/2 }
+function cosp(n){ return (Math.cos(n)+1)/2 }
 function random(){ return Math.random() }
 function rand(n){ return (Math.random()*n) }
 function randint(n){ return rand(n)|0 }
@@ -44,49 +46,3 @@ function smoothstep(n,a,b){
   return t * t * (3.0 - 2.0 * t)
 }
 
-function loadImage(imageURL, callback) {
-  var imageURL = proxify( imageURL );
-
-  window.gif = window.img = null
-
-  if (imageURL.substr(-3) === "gif") {
-    window.gif = GIF(imageURL);
-    // gif.on("error", tryToLoadNextImage);
-    // gif.on("rendered", trackLoadTime);
-    gif.on("rendered", callback);
-    return gif.render();
-  } else {
-    window.img = new Image();
-    // img.addEventListener("error", tryToLoadNextImage);
-    img.addEventListener("load", callback);
-    img.crossOrigin = "anonymous";
-    return img.src = imageURL;
-  }
-}
-
-function giveImage(t) {
-  if (window.gif) {
-    return gif.frames[gif.currentFrame(t)];
-  } else {
-    return img;
-  }
-}
-
-function proxify (url) {
-  if (url.indexOf("http") == 0)
-    return "/cgi-bin/proxy?" + url // .replace(/^https?:\/\//, "");
-  else
-    return url
-}
-
-function filesize(n) {
-  if (n < 1e3) return n + " bytes"
-  if (n < 1e6) return decimalString(n/1e3) + " kb"
-  if (n < 1e9) return decimalString(n/1e6) + " mb"
-  return "WAY TOO BIG DUDE"
-}
-function decimalString(n){
-  var m = Math.floor(n);
-  return m + "." + Math.round((n-m)*10)
-}
-