/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
// Create a new class for the player_attackf01 asset
var PlayerAttack = Container.expand(function () {
	var self = Container.call(this);
	// Attach the player_attackf01 asset to the PlayerAttack class
	var playerAttackGraphics = self.attachAsset('player_attackf01', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});

/**** 
* Initialize Game
****/ 
// Mouse or touch down on the game object
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
// Track the existence of player assets
var player = null;
var playerAttack = null;
var playerAttack2 = null;
// Create a new instance of the player_idle asset if it doesn't exist
if (!player) {
	player = LK.getAsset('player_idle', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 2732 / 2
	});
}
// Boolean to track if the sequence is running
var isSequenceRunning = false;
// Add the player to the game
game.addChild(player);
// Import the tween plugin
// Simulate breathing with player_idle by scaling it up and down
if (player) {
	// Check if player is not null
	tween(player, {
		scaleX: 1.05,
		scaleY: 1.05
	}, {
		duration: 1000,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			tween(player, {
				scaleX: 1.0,
				scaleY: 1.0
			}, {
				duration: 1000,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					// Repeat the animation
					tween(player, {
						scaleX: 1.05,
						scaleY: 1.05
					}, {
						duration: 1000,
						easing: tween.easeInOut,
						onFinish: function onFinish() {
							// Repeat the animation
							tween(player, {
								scaleX: 1.0,
								scaleY: 1.0
							}, {
								duration: 1000,
								easing: tween.easeInOut,
								onFinish: onFinish
							});
						}
					});
				}
			});
		}
	});
}
// Mouse or touch down on the game object
game.down = function (x, y, obj) {
	// Check if the sequence is already running
	if (isSequenceRunning) {
		return; // Exit if the sequence is already running
	}
	// Set the sequence running flag to true
	isSequenceRunning = true;
	// Destroy the player_idle asset if it exists
	if (player) {
		player.destroy();
		player = null;
	}
	// Create a new instance of the PlayerAttack class if it doesn't exist
	if (!playerAttack) {
		playerAttack = new PlayerAttack();
	}
	// Position the player_attackf01 asset at the center of the screen
	playerAttack.x = 2048 / 2;
	playerAttack.y = 2732 / 2;
	// Add the player_attackf01 asset to the game
	game.addChild(playerAttack);
	// After 0.5 seconds, replace player_attackf01 with player_attackf02
	LK.setTimeout(function () {
		// Destroy player_attackf01 if it exists
		if (playerAttack) {
			playerAttack.destroy();
			playerAttack = null;
		}
		// Create a new instance of player_attackf02 if it doesn't exist
		if (!playerAttack2) {
			playerAttack2 = LK.getAsset('player_attackf02', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: 2048 / 2,
				y: 2732 / 2
			});
		}
		// Add player_attackf02 to the game
		game.addChild(playerAttack2);
		// After 0.5 seconds, replace player_attackf02 with player_idle
		LK.setTimeout(function () {
			// Destroy player_attackf02 if it exists
			if (playerAttack2) {
				playerAttack2.destroy();
				playerAttack2 = null;
			}
			// Create a new instance of player_idle if it doesn't exist
			if (!player) {
				player = LK.getAsset('player_idle', {
					anchorX: 0.5,
					anchorY: 0.5,
					x: 2048 / 2,
					y: 2732 / 2
				});
			}
			// Add player_idle to the game
			game.addChild(playerIdle);
			// Simulate breathing with player_idle by scaling it up and down
			tween(playerIdle, {
				scaleX: 1.05,
				scaleY: 1.05
			}, {
				duration: 1000,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					tween(playerIdle, {
						scaleX: 1.0,
						scaleY: 1.0
					}, {
						duration: 1000,
						easing: tween.easeInOut,
						onFinish: onFinish
					});
				}
			});
			// Set the sequence running flag to false
			isSequenceRunning = false;
		}, 500);
	}, 500);
};

===================================================================
--- original.js
+++ change.js
@@ -45,45 +45,48 @@
 // Add the player to the game
 game.addChild(player);
 // Import the tween plugin
 // Simulate breathing with player_idle by scaling it up and down
-tween(player, {
-	scaleX: 1.05,
-	scaleY: 1.05
-}, {
-	duration: 1000,
-	easing: tween.easeInOut,
-	onFinish: function onFinish() {
-		tween(player, {
-			scaleX: 1.0,
-			scaleY: 1.0
-		}, {
-			duration: 1000,
-			easing: tween.easeInOut,
-			onFinish: function onFinish() {
-				// Repeat the animation
-				tween(player, {
-					scaleX: 1.05,
-					scaleY: 1.05
-				}, {
-					duration: 1000,
-					easing: tween.easeInOut,
-					onFinish: function onFinish() {
-						// Repeat the animation
-						tween(player, {
-							scaleX: 1.0,
-							scaleY: 1.0
-						}, {
-							duration: 1000,
-							easing: tween.easeInOut,
-							onFinish: onFinish
-						});
-					}
-				});
-			}
-		});
-	}
-});
+if (player) {
+	// Check if player is not null
+	tween(player, {
+		scaleX: 1.05,
+		scaleY: 1.05
+	}, {
+		duration: 1000,
+		easing: tween.easeInOut,
+		onFinish: function onFinish() {
+			tween(player, {
+				scaleX: 1.0,
+				scaleY: 1.0
+			}, {
+				duration: 1000,
+				easing: tween.easeInOut,
+				onFinish: function onFinish() {
+					// Repeat the animation
+					tween(player, {
+						scaleX: 1.05,
+						scaleY: 1.05
+					}, {
+						duration: 1000,
+						easing: tween.easeInOut,
+						onFinish: function onFinish() {
+							// Repeat the animation
+							tween(player, {
+								scaleX: 1.0,
+								scaleY: 1.0
+							}, {
+								duration: 1000,
+								easing: tween.easeInOut,
+								onFinish: onFinish
+							});
+						}
+					});
+				}
+			});
+		}
+	});
+}
 // Mouse or touch down on the game object
 game.down = function (x, y, obj) {
 	// Check if the sequence is already running
 	if (isSequenceRunning) {