/**** 
* Classes
****/ 
// Obstacle class
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		if (self.y <= 2732) {
			// Obstacles move down at a constant speed
			self.y += 5;
		} else {
			// If obstacle goes off the bottom of the screen, wrap around to the top
			self.y = 0;
		}
	};
});
// The game engine will automatically load the necessary assets
// Player character class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('shuttle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		if (self.y >= 0) {
			// Player moves up at a constant speed
			self.y -= 5;
		} else {
			// If player goes off the top of the screen, wrap around to the bottom
			self.y = 2732;
		}
	};
});
// Power-up class
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	var powerUpGraphics = self.attachAsset('powerUp', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		if (self.y <= 2732) {
			// Power-ups move down at a constant speed
			self.y += 3;
		} else {
			// If power-up goes off the bottom of the screen, wrap around to the top
			self.y = 0;
		}
	};
});
// Shield class
var Shield = Container.expand(function () {
	var self = Container.call(this);
	// Removed the yellow box by eliminating the centerCircle asset
	self.update = function () {
		// Shield logic can be added here if needed
	};
});
// SlowDown Obstacle class
var SlowDown = Container.expand(function () {
	var self = Container.call(this);
	var slowDownGraphics = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		if (self.y <= 2732) {
			// SlowDowns move down at a constant speed
			self.y += 2;
		} else {
			// If SlowDown goes off the bottom of the screen, wrap around to the top
			self.y = 0;
		}
	};
});
// SpeedBoost Power-up class
var SpeedBoost = Container.expand(function () {
	var self = Container.call(this);
	var speedBoostGraphics = self.attachAsset('powerUp', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		if (self.y <= 2732) {
			// SpeedBoosts move down at a constant speed
			self.y += 4;
		} else {
			// If SpeedBoost goes off the bottom of the screen, wrap around to the top
			self.y = 0;
		}
	};
});
// SupplyBox class
var SupplyBox = Container.expand(function () {
	var self = Container.call(this);
	var supplyBoxGraphics = self.attachAsset('boost', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		if (self.y <= 2732) {
			// SupplyBoxes move down at a constant speed
			self.y += 3;
		} else {
			// If SupplyBox goes off the bottom of the screen, wrap around to the top
			self.y = 0;
		}
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000,
	// Init game with black background
	preloadAssets: true // Preload assets for optimized performance
});

/**** 
* Game Code
****/ 
// Set bkg-2 as the background image
var earthBackground = LK.getAsset('bkg-2', {
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 2048 / 410,
	scaleY: 2732 / 410
});
earthBackground.x = 2048 / 2;
earthBackground.y = 2732 / 2;
game.addChild(earthBackground);
// Initialize score text
var scoreBackground = new Container();
var scoreBgGraphics = scoreBackground.attachAsset('scoreBg', {
	anchorX: 0.5,
	anchorY: 0.5
});
scoreBgGraphics.width = 300;
scoreBgGraphics.height = 100;
scoreBgGraphics.tint = 0x000000;
scoreBgGraphics.alpha = 0.5;
scoreBackground.x = 2048 / 2;
scoreBackground.y = 50;
LK.gui.top.addChild(scoreBackground);
var scoreTxt = new Text2('0', {
	size: 100,
	fill: "#ffffff",
	stroke: "#000000",
	strokeThickness: 5
});
scoreTxt.anchor.set(0.5, 0.5);
scoreTxt.x = 2048 / 2;
scoreTxt.y = 25;
LK.gui.top.addChild(scoreTxt);
// Initialize score text to display the current score
scoreTxt.setText(LK.getScore());
// Removed redundant style property setting for score text
// Initialize player, obstacles, and power-ups
var player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 / 2;
// Tutorial overlay
var tutorialOverlay = new Container();
var tutorialText = new Text2('Drag the player to avoid obstacles and collect power-ups!', {
	size: 100,
	fill: "#ffffff"
});
tutorialText.anchor.set(0.5, 0.5);
tutorialText.x = 2048 / 2;
tutorialText.y = 2732 / 2;
tutorialOverlay.addChild(tutorialText);
game.addChild(tutorialOverlay);
// Remove tutorial after 5 seconds
LK.setTimeout(function () {
	if (tutorialOverlay) {
		tutorialOverlay.destroy();
		tutorialOverlay = null;
	}
}, 5000);
var obstacles = [];
var powerUps = [];
var level = 1;
var maxObstacles = 10;
var maxPowerUps = 5;
function initializeLevel() {
	// Clear existing obstacles and power-ups
	obstacles.forEach(function (obstacle) {
		return obstacle.destroy();
	});
	powerUps.forEach(function (powerUp) {
		return powerUp.destroy();
	});
	obstacles = [];
	powerUps = [];
	// Increase difficulty by adding more obstacles and power-ups
	for (var i = 0; i < maxPowerUps; i++) {
		var powerUp = game.addChild(new PowerUp());
		powerUp.x = Math.random() * 2048;
		powerUp.y = Math.random() * 2732;
		powerUps.push(powerUp);
		if (i % 2 === 0) {
			var speedBoost = game.addChild(new SpeedBoost());
			speedBoost.x = Math.random() * 2048;
			speedBoost.y = Math.random() * 2732;
			powerUps.push(speedBoost);
		}
		if (i % 3 === 0) {
			var supplyBox = game.addChild(new SupplyBox());
			supplyBox.x = Math.random() * 2048;
			supplyBox.y = Math.random() * 2732;
			powerUps.push(supplyBox);
		}
	}
	for (var i = 0; i < maxObstacles; i++) {
		var obstacle = game.addChild(new Obstacle());
		obstacle.x = Math.random() * 2048;
		obstacle.y = Math.random() * 2732;
		obstacles.push(obstacle);
		if (i % 3 === 0) {
			var slowDown = game.addChild(new SlowDown());
			slowDown.x = Math.random() * 2048;
			slowDown.y = Math.random() * 2732;
			obstacles.push(slowDown);
		}
	}
}
initializeLevel();
// Game update function
game.update = function () {
	// Remove tutorial if player moves
	if (tutorialOverlay && (player.x !== 2048 / 2 || player.y !== 2732 / 2)) {
		if (tutorialOverlay) {
			tutorialOverlay.destroy();
			tutorialOverlay = null;
		}
	}
	// Check for collisions between player and obstacles
	for (var i = 0; i < obstacles.length; i++) {
		if (player.intersects(obstacles[i])) {
			if (!player.shieldActive) {
				// Add animation effect for dodging
				LK.effects.flashObject(player, 0x00ff00, 300);
				// Add a brief scale animation to indicate successful dodge
				player.scaleX = 1.2;
				player.scaleY = 1.2;
				LK.setTimeout(function () {
					player.scaleX = 1.0;
					player.scaleY = 1.0;
				}, 300);
				// Flash screen red for 1 second to indicate collision
				LK.effects.flashScreen(0xff0000, 1000);
				// Game over
				LK.showGameOver();
				break;
			}
		}
	}
	// Increase level and difficulty after reaching a certain score
	if (LK.getScore() >= level * 50) {
		level++;
		maxObstacles += 5;
		maxPowerUps += 2;
		initializeLevel();
	}
	// Check for collisions between player and power-ups
	for (var i = 0; i < powerUps.length; i++) {
		if (player.intersects(powerUps[i])) {
			if (powerUps[i] instanceof SpeedBoost) {
				// Increase player speed temporarily
				player.speed += 2;
				LK.setTimeout(function () {
					player.speed -= 2;
				}, 5000);
			} else if (powerUps[i] instanceof SupplyBox) {
				// Declare shield in the global scope
				var shield;
				// Add shield when supply box is collected
				shield = game.addChild(new Shield());
				shield.x = player.x;
				shield.y = player.y;
				player.shieldActive = true;
				// Remove shield after 6 seconds
				LK.setTimeout(function () {
					shield.destroy();
					player.shieldActive = false;
				}, 6000);
			} else {
				// Increase score when power-up is collected
				LK.setScore(LK.getScore() + 5);
				scoreTxt.setText(LK.getScore());
				// Flash player green for 500ms to indicate power-up collection
				LK.effects.flashObject(player, 0x00ff00, 500);
			}
			powerUps[i].destroy();
			powerUps.splice(i, 1);
		}
	}
	// Check for collisions between player and SlowDown obstacles
	for (var i = 0; i < obstacles.length; i++) {
		if (player.intersects(obstacles[i]) && obstacles[i] instanceof SlowDown) {
			// Decrease player speed temporarily
			player.speed -= 2;
			LK.setTimeout(function () {
				player.speed += 2;
			}, 5000);
			obstacles[i].destroy();
			obstacles.splice(i, 1);
		}
	}
	for (var i = 0; i < obstacles.length; i++) {
		if (obstacles[i].y > 2732) {
			obstacles[i].passed = true;
			LK.setScore(LK.getScore() + 1);
			// Add animation effect for score increase
			LK.effects.flashObject(scoreTxt, 0xffff00, 300);
			// Add a brief scale animation to indicate score increase
			scoreTxt.scaleX = 1.2;
			scoreTxt.scaleY = 1.2;
			LK.setTimeout(function () {
				scoreTxt.scaleX = 1.0;
				scoreTxt.scaleY = 1.0;
			}, 300);
			// Update score text and flash to indicate score update
			scoreTxt.setText(LK.getScore());
			LK.effects.flashObject(scoreTxt, 0xffffff, 500);
		}
	}
};
// Player movement
game.down = function (x, y, obj) {
	player.x = x;
	player.y = y;
	if (player.shieldActive && typeof shield !== 'undefined') {
		shield.x = player.x;
		shield.y = player.y;
	}
	// Play movement sound effect
	LK.getSound('move').play();
	// Play movement sound effect
	LK.getSound('move').play();
};
game.move = function (x, y, obj) {
	player.x = x;
	player.y = y;
	if (player.shieldActive && typeof shield !== 'undefined') {
		shield.x = player.x;
		shield.y = player.y;
	}
};

===================================================================
--- original.js
+++ change.js
@@ -55,13 +55,9 @@
 });
 // Shield class
 var Shield = Container.expand(function () {
 	var self = Container.call(this);
-	var shieldGraphics = self.attachAsset('centerCircle', {
-		anchorX: 0.5,
-		anchorY: 0.5
-	});
-	shieldGraphics.alpha = 0.5; // Make the shield semi-transparent
+	// Removed the yellow box by eliminating the centerCircle asset
 	self.update = function () {
 		// Shield logic can be added here if needed
 	};
 });