===================================================================
--- original.js
+++ change.js
@@ -129,24 +129,38 @@
 cue.y = 2000;
 // Handle aiming and shooting
 var isAiming = false;
 var power = 0;
+var currentPlayer = 1; // 1 for player, 2 for computer
 game.down = function (x, y, obj) {
-	isAiming = true;
-	cue.aim(x, y);
+	if (currentPlayer === 1) {
+		isAiming = true;
+		cue.aim(x, y);
+	}
 };
 game.move = function (x, y, obj) {
-	if (isAiming) {
+	if (isAiming && currentPlayer === 1) {
 		cue.aim(x, y);
 		power = Math.min(100, Math.sqrt(Math.pow(x - cue.x, 2) + Math.pow(y - cue.y, 2)) / 10);
 	}
 };
 game.up = function (x, y, obj) {
-	if (isAiming) {
+	if (isAiming && currentPlayer === 1) {
 		isAiming = false;
 		cue.shoot(power);
+		currentPlayer = 2; // Switch to computer's turn
+		setTimeout(computerTurn, 1000); // Delay for computer's turn
 	}
 };
+function computerTurn() {
+	if (currentPlayer === 2) {
+		// Simple AI for computer's turn
+		var targetBall = balls[Math.floor(Math.random() * balls.length)];
+		cue.aim(targetBall.x, targetBall.y);
+		cue.shoot(50); // Fixed power for simplicity
+		currentPlayer = 1; // Switch back to player's turn
+	}
+}
 // Update game state
 game.update = function () {
 	balls.forEach(function (ball) {
 		ball.update();
@@ -167,5 +181,13 @@
 				LK.setScore(LK.getScore() + 1);
 			}
 		});
 	});
+	// Check if all balls have stopped moving to switch turns
+	if (balls.every(function (ball) {
+		return ball.velocity.x === 0 && ball.velocity.y === 0;
+	})) {
+		if (currentPlayer === 2) {
+			setTimeout(computerTurn, 1000); // Delay for computer's turn
+		}
+	}
 };
\ No newline at end of file