X-Git-Url: https://git.r.bdr.sh/rbdr/lissajous/blobdiff_plain/362f91160b243453578633e3f9af67ce40179d8c..HEAD:/lib/systems/amplitude_adjuster.js

diff --git a/lib/systems/amplitude_adjuster.js b/lib/systems/amplitude_adjuster.js
index 71f7277..aed7848 100644
--- a/lib/systems/amplitude_adjuster.js
+++ b/lib/systems/amplitude_adjuster.js
@@ -10,6 +10,9 @@ const internals = {
   }
 };
 
+/**
+  * UI that adjusts the amplitude of any compatible object
+  */
 export default class AmplitudeAdjuster extends System {
 
   constructor(container) {
@@ -36,6 +39,7 @@ export default class AmplitudeAdjuster extends System {
 
       ['a', 'b', 'c'].forEach(key => {
         nodeElement.appendChild(slider({
+          id: `amplitude-adjuster-${i}-slider-${key}`,
           min: '0',
           max: '1',
           step: '0.01',