diff --git a/voicegardens/static/voicegardens.js b/voicegardens/static/voicegardens.js
index 64572fb..2a7db4e 100644
--- a/voicegardens/static/voicegardens.js
+++ b/voicegardens/static/voicegardens.js
@@ -591,3 +591,18 @@ function draw() {
     }
   }
 }
+
+function mouseDragged() {
+  /**
+   * Mouse drag movement handling.
+   **/
+  toScreenX += mouseX - pmouseX;
+  toScreenY += mouseY - pmouseY;
+}
+
+function windowResized() {
+  /**
+   * Canvas re-draw handling.
+   **/
+  resizeCanvas(windowWidth, windowHeight);
+}