diff --git a/trunk/sketch.js b/trunk/sketch.js
index be30b49..3347bdd 100644
--- a/trunk/sketch.js
+++ b/trunk/sketch.js
@@ -1,12 +1,12 @@
 let sketch = function(p) {
 
-  let rings = 50;
-  let dim_init = 50;
-  let dim_delta = 4;
+  const rings = 50;
+  const dim_init = 50;
+  const dim_delta = 4;
 
-  let chaos_init = .2;
-  let chaos_delta = 0.12;
-  let chaos_mag = 20;
+  const chaos_init = .2;
+  const chaos_delta = 0.12;
+  const chaos_mag = 20;
 
   let ox = p.random(10000);
   let oy = p.random(10000);
@@ -19,7 +19,6 @@ let sketch = function(p) {
     p.smooth();
     p.noFill();
     //p.noLoop();
-
   }
 
   p.draw = function() {
@@ -33,24 +32,18 @@ let sketch = function(p) {
     oy-=0.02;
     oz+=0.01;
     for(let i = 0; i < rings; i ++){
-    p.beginShape();
+      p.beginShape();
       for(let angle = 0; angle < 360; angle++){
-        let radian = p.radians(angle);
-        let radius =  (chaos_mag * getNoiseWithTime(radian, chaos_delta * i + chaos_init, oz)) + (dim_delta * i + dim_init);
+        const radian = p.radians(angle);
+        const radius =  (chaos_mag * getNoiseWithTime(radian, chaos_delta * i + chaos_init, oz)) + (dim_delta * i + dim_init);
         p.vertex(radius * p.cos(radian), radius * p.sin(radian));
       }
-    p.endShape(p.CLOSE);
+      p.endShape(p.CLOSE);
     }
   }
 
-  function getNoise (radian, dim){
-    let r = radian % p.TWO_PI;
-    if(r < 0.0){r += p.TWO_PI;}
-    return p.noise(ox + p.cos(r) * dim, oy + p.sin(r) * dim);
-  }
-
   function getNoiseWithTime (radian, dim, time){
-    let r = radian % p.TWO_PI;
+    const r = radian % p.TWO_PI;
     if(r < 0.0){r += p.TWO_PI;}
     return p.noise(ox + p.cos(r) * dim , oy + p.sin(r) * dim, oz + time);
   }