number of edges for shapes now defined based on amplitude

voicegardens/static/voicegardens.js

@@ -213,7 +213,7 @@ class GeneratedShape {
     this.randYs = [];
 
     // Number of edges of the shape
-    this.edges = random(3, 10);
+    this.edges = amplitude + 3;
 
     // ???
     this.radius = random(120, 140);