diff --git a/voicegardens/static/voicegardens.js b/voicegardens/static/voicegardens.js
index ed500a5..9572141 100644
--- a/voicegardens/static/voicegardens.js
+++ b/voicegardens/static/voicegardens.js
@@ -152,6 +152,8 @@ class GeneratedShape {
 
     this.opacity = 0;
     this.colour = this.chooseColour();
+
+    this.curveTightness = -5;
   }
 
   collide(shapes) {
@@ -258,8 +260,7 @@ class GeneratedShape {
 
   /*function for drawing the shape on the screen*/
   createShape() {
-    let organicConstant = floor(random(-5, 5));
-    curveTightness(organicConstant);
+    curveTightness(this.curveTightness);
 
     beginShape();