===================================================================
--- original.js
+++ change.js
@@ -41,8 +41,9 @@
 	var obstacleGraphics = self.attachAsset('obstacle', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
+	self.radius = Math.random() * 50 + 50; // radius of damage, random between 50 and 100
 });
 
 /**** 
 * Initialize Game
@@ -95,20 +96,22 @@
 	}
 	// Check for collision with obstacles
 	for (var i = 0; i < obstacles.length; i++) {
 		var obstacle = obstacles[i];
-		if (ball.intersects(obstacle)) {
+		var dx = ball.x - obstacle.x;
+		var dy = ball.y - obstacle.y;
+		var distance = Math.sqrt(dx * dx + dy * dy);
+		if (distance < obstacle.radius) {
 			LK.showGameOver();
 		}
-		// Move the obstacle around the screen in randomly sized circular patterns
+		// Move the obstacle around the screen asynchronously
 		// Alternate between clockwise and counterclockwise movement for each obstacle
-		var radius = Math.random() * 100 + 50; // Random radius between 50 and 150
 		if (i % 2 == 0) {
-			obstacle.x += radius * Math.cos((LK.ticks + i * 6) / 60);
-			obstacle.y += radius * Math.sin((LK.ticks + i * 6) / 60);
+			obstacle.x += Math.cos((LK.ticks + i * 6) / 60) * 5;
+			obstacle.y += Math.sin((LK.ticks + i * 6) / 60) * 5;
 		} else {
-			obstacle.x -= radius * Math.cos((LK.ticks + i * 6) / 60);
-			obstacle.y -= radius * Math.sin((LK.ticks + i * 6) / 60);
+			obstacle.x -= Math.cos((LK.ticks + i * 6) / 60) * 5;
+			obstacle.y -= Math.sin((LK.ticks + i * 6) / 60) * 5;
 		}
 		// Restrict obstacle movement within screen limits
 		if (obstacle.x < 0) {
 			obstacle.x = 0;