/**** 
* Classes
****/ 
// Note class: creates a note at a random (x, y) position
var Note = Container.expand(function () {
	var self = Container.call(this);
	// Attach the hit zone asset (external ring), centered, slightly larger, semi-transparent
	var hitZone = self.attachAsset('hit', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	hitZone.alpha = 0.4;
	// Attach the note asset, centered
	var noteAsset = self.attachAsset('note', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Randomize position within the visible game area, avoiding edges
	// Note: 2048x2732 is the game area
	var margin = 100;
	self.x = margin + Math.random() * (2048 - 2 * margin);
	self.y = margin + Math.random() * (2732 - 2 * margin);
	return self;
});

/**** 
* Initialize Game
****/ 
// Create and add a note at a random position
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
var note = new Note();
/*
* Initializations
*/
game.addChild(note);

===================================================================
--- original.js
+++ change.js
@@ -8,9 +8,9 @@
 	var hitZone = self.attachAsset('hit', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
-	hitZone.alpha = 0.6;
+	hitZone.alpha = 0.4;
 	// Attach the note asset, centered
 	var noteAsset = self.attachAsset('note', {
 		anchorX: 0.5,
 		anchorY: 0.5