diff --git a/voicegardens/static/voicegardens.js b/voicegardens/static/voicegardens.js
index 8c369ba..5625f76 100644
--- a/voicegardens/static/voicegardens.js
+++ b/voicegardens/static/voicegardens.js
@@ -216,12 +216,6 @@ class GeneratedShape {
     this.accelX = 0.0;
     this.accelY = 0.0;
 
-    // The x, y destination values which the shape moves towards. This can be
-    // calculated against the `mouseX` and `mouseY` values, for example. Then
-    // the shape will follow the mouse.
-    this.deltaX = 0.0;
-    this.deltaY = 0.0;
-
     // The speed at which the shape 'springs' towards its final destination.
     this.springing = 0.0009;
 
@@ -275,13 +269,19 @@ class GeneratedShape {
     this.angle = radians(360 / this.edges);
 
     // ???
-    this.centerX = random(windowWidth);
-    this.centerY = random(windowHeight);
+    this.centerX = random(windowWidth) - toScreenX;
+    this.centerY = random(windowHeight) - toScreenY;
 
     // new destination for the shapes
     this.destX = random(windowWidth);
     this.destY = random(windowHeight);
 
+    // The x, y destination values which the shape moves towards. This can be
+    // calculated against the `mouseX` and `mouseY` values, for example. Then
+    // the shape will follow the mouse.
+    this.deltaX = this.destX - this.centerX - toScreenX;
+    this.deltaY = this.destY - this.centerY - toScreenY;
+
     this.initialise();
   }