===================================================================
--- original.js
+++ change.js
@@ -13,16 +13,17 @@
 	// Set initial properties
 	self.radius = ballGraphics.width / 2; // Assuming the asset is a circle
 	self.gravity = 0.5;
 	self.velocityY = 0;
+	self.rotationAngle = 0; // Rotation angle of the ball
 	// Ball update method
 	self.update = function () {
 		self.velocityY += self.gravity;
 		self.y += self.velocityY;
-		// Stop at the bottom of the screen
+		// Bounce off the bottom of the screen
 		if (self.y + self.radius > 2732) {
 			self.y = 2732 - self.radius;
-			self.velocityY = 0;
+			self.velocityY *= self.bounce;
 		}
 	};
 });
 // Platform class
@@ -59,16 +60,12 @@
 function checkCollision() {
 	var dx = ball.x - platform.x;
 	var dy = ball.y - platform.y;
 	var distance = Math.sqrt(dx * dx + dy * dy);
-	var minDistance = ball.radius + platform.width / 2;
-	if (distance < minDistance) {
-		var angle = Math.atan2(dy, dx);
-		var targetX = platform.x + Math.cos(angle) * minDistance;
-		var targetY = platform.y + Math.sin(angle) * minDistance;
-		var speed = Math.sqrt(ball.velocityY * ball.velocityY);
-		ball.velocityY = Math.sin(angle) * speed;
-		ball.y = targetY;
+	if (distance < ball.radius + platform.height / 2) {
+		// Simple collision response
+		ball.velocityY *= ball.bounce;
+		ball.y = platform.y - platform.height / 2 - ball.radius;
 	}
 }
 // Game tick event
 LK.on('tick', function () {
@@ -78,5 +75,11 @@
 // Touch event to move the platform
 game.on('move', function (obj) {
 	var pos = obj.event.getLocalPosition(game);
 	platform.x = pos.x;
+	// Calculate the displacement of the ball from the center of the platform
+	var displacement = ball.x - platform.x;
+	// Adjust the rotation angle based on the displacement
+	ball.rotationAngle += displacement * 0.01; // The constant 0.01 determines the speed of rotation
+	// Apply the rotation to the ball
+	ball.rotation = ball.rotationAngle;
 });
\ No newline at end of file