/**** 
* Classes
****/ 
// Bird class
var Bird = Container.expand(function () {
	var self = Container.call(this);
	var birdGraphics = self.attachAsset('bird', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.direction = 1; // 1 for right, -1 for left
	self.move = function () {
		// Zigzag movement logic
		self.y += 5; // Move downwards
		if (self.x <= 0 || self.x >= 2048) {
			self.direction *= -1; // Change direction on hitting screen bounds
		}
		self.x += 10 * self.direction; // Move horizontally in zigzag
	};
});
// Assets will be automatically created based on usage in the code.
// Character class
var Character = Container.expand(function () {
	var self = Container.call(this);
	var characterGraphics = self.attachAsset('character', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.targetX = self.x; // Initialize targetX
	self.targetY = self.y; // Initialize targetY
	self.update = function () {
		// Smoothly move the character towards the target position
		var dx = self.targetX - self.x;
		var dy = self.targetY - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 1) {
			self.x += dx * 0.05;
			self.y += dy * 0.05;
		}
		// Keep the character within the game boundaries
		if (self.x < 0) {
			self.x = 0;
		} else if (self.x > 2048) {
			self.x = 2048;
		}
		if (self.y < 0) {
			self.y = 0;
		} else if (self.y > 2732) {
			self.y = 2732;
		}
	};
});
// Cloud class
var Cloud = Container.expand(function () {
	var self = Container.call(this);
	var cloudGraphics = self.attachAsset('cloud', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2,
		scaleY: 2
	});
	self.move = function () {
		// Cloud movement logic here
		self.y += 5; // The cloud moves downwards
	};
});
// Collectible class
var Collectible = Container.expand(function () {
	var self = Container.call(this);
	var collectibleGraphics = self.attachAsset('collectible', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
// EnemyCar class
var EnemyCar = Container.expand(function () {
	var self = Container.call(this);
	var enemyCarGraphics = self.attachAsset('enemyCar', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.timer = 180; // 3 seconds in ticks (60 ticks per second)
	self.speed = 0; // Initial speed
	self.move = function () {
		if (self.timer > 0) {
			// Wait for 3 seconds
			self.timer--;
			if (self.timer === 0) {
				// After 3 seconds, start moving at high speed
				self.speed = 30; // High speed
			}
		} else {
			// Move the enemy car to the left at high speed
			self.x -= self.speed;
		}
	};
});
// Fish class
var Fish = Container.expand(function () {
	var self = Container.call(this);
	var fishGraphics = self.attachAsset('fish', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.move = function () {
		// Fish movement logic here
		self.x -= 5; // The fish moves forward
	};
});
// GoldenFish class
var GoldenFish = Container.expand(function () {
	var self = Container.call(this);
	var goldenFishGraphics = self.attachAsset('goldenFish', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.move = function () {
		// GoldenFish movement logic here
		self.x -= 5; // The golden fish moves forward
	};
});
// MegaDog class
var MegaDog = Container.expand(function () {
	var self = Container.call(this);
	var megaDogGraphics = self.attachAsset('megaDog', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.move = function () {
		// MegaDog movement logic here
		self.x -= 2; // The mega dog moves forward
	};
});
// ObeseDog class
var ObeseDog = Container.expand(function () {
	var self = Container.call(this);
	var obeseDogGraphics = self.attachAsset('obeseDog', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.direction = 'left';
	self.move = function () {
		// ObeseDog movement logic here
		if (self.direction === 'left') {
			self.x -= 5; // The obese dog moves left
		} else {
			self.x += 5; // The obese dog moves right
		}
	};
});
// Obstacle class
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.move = function () {
		// Obstacle movement logic here
		self.x -= 5; // The obstacle (dog) moves forward
	};
});
// PufferFish class
var PufferFish = Container.expand(function () {
	var self = Container.call(this);
	var pufferFishGraphics = self.attachAsset('pufferFish', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.move = function () {
		// PufferFish movement logic here
		self.x -= 10; // The puffer fish moves to the left faster
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB // Light blue background to represent the sky
});

/**** 
* Game Code
****/ 
var enemyCars = [];
var character = game.addChild(new Character());
character.x = 200;
character.y = 2732 / 2; // Start in the middle of the screen vertically
var obstacles = [];
var collectibles = [];
var pufferFishes = []; // Array to track PufferFish instances
var score = 0;
// Score display
var scoreTxt = new Text2(score.toString(), {
	size: 150,
	fill: "#ffffff"
});
LK.gui.top.addChild(scoreTxt);
// Touch event to move the character
game.on('down', function (obj) {
	var pos = obj.event.getLocalPosition(game);
	character.targetX = pos.x; // Set target position for character
	character.targetY = pos.y; // Set target position for character
});
var fishes = [];
var goldenFishes = [];
var clouds = [];
var obeseDogs = [];
var megaDogs = [];
// Game tick event
LK.on('tick', function () {
	character.update();
	// Move obstacles and check for collision with the character
	for (var i = obstacles.length - 1; i >= 0; i--) {
		obstacles[i].move();
		if (obstacles[i].intersects(character)) {
			// Game over logic
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
		// Check for collision with clouds
		for (var j = clouds.length - 1; j >= 0; j--) {
			if (obstacles[i] instanceof Bird) {
				continue;
			} // Skip if obstacle is a Bird
			if (obstacles[i].intersects(clouds[j])) {
				// Create an obese dog
				var newObeseDog = new ObeseDog();
				newObeseDog.x = obstacles[i].x;
				newObeseDog.y = obstacles[i].y;
				obeseDogs.push(newObeseDog);
				game.addChild(newObeseDog);
				// Remove the obstacle and the cloud
				obstacles[i].destroy();
				obstacles.splice(i, 1);
				clouds[j].destroy();
				clouds.splice(j, 1);
				break;
			}
		}
		// Remove off-screen obstacles
		if (obstacles[i] && obstacles[i].x < -100) {
			obstacles[i].destroy();
			obstacles.splice(i, 1);
		}
	}
	// Spawn obstacles
	if (LK.ticks % 120 == 0) {
		// Every 2 seconds
		var newObstacle = new Obstacle();
		newObstacle.x = 2048;
		// Prevent dogs from appearing in the lane where the wall is
		do {
			newObstacle.y = Math.random() * 2732;
		} while (Math.abs(newObstacle.y - character.y) < character.height);
		obstacles.push(newObstacle);
		game.addChild(newObstacle);
	}
	// Check for collectible collision
	for (var j = collectibles.length - 1; j >= 0; j--) {
		if (collectibles[j].intersects(character)) {
			score += 10; // Increase score
			scoreTxt.setText(score.toString()); // Update score display
			collectibles[j].destroy();
			collectibles.splice(j, 1);
		}
	}
	// Move fishes and check for collision with the character
	for (var k = fishes.length - 1; k >= 0; k--) {
		fishes[k].move();
		if (fishes[k].intersects(character)) {
			score += 1; // Increase score
			scoreTxt.setText(score.toString()); // Update score display
			if (score % 10 == 0 && score != 0) {
				var newMegaDog = new MegaDog();
				newMegaDog.x = 2048;
				newMegaDog.y = Math.random() * 2732;
				megaDogs.push(newMegaDog);
				game.addChild(newMegaDog);
			}
			fishes[k].destroy();
			fishes.splice(k, 1);
		}
		// Remove off-screen fishes
		if (fishes[k] && fishes[k].x < -100) {
			fishes[k].destroy();
			fishes.splice(k, 1);
		}
	}
	// Move golden fishes and check for collision with the character
	for (var l = goldenFishes.length - 1; l >= 0; l--) {
		goldenFishes[l].move();
		if (goldenFishes[l].intersects(character)) {
			// Remove one obese dog
			if (obeseDogs.length > 0) {
				obeseDogs[0].destroy();
				obeseDogs.splice(0, 1);
			}
			goldenFishes[l].destroy();
			goldenFishes.splice(l, 1);
		}
		// Remove off-screen golden fishes
		if (goldenFishes[l] && goldenFishes[l].x < -100) {
			goldenFishes[l].destroy();
			goldenFishes.splice(l, 1);
		}
	}
	// Spawn fishes
	if (LK.ticks % 240 == 0) {
		// Every 4 seconds
		var newFish = new Fish();
		newFish.x = 2048;
		newFish.y = Math.random() * 2732;
		fishes.push(newFish);
		game.addChild(newFish);
	}
	// Spawn golden fishes
	if (LK.ticks % 900 == 0) {
		// Every 15 seconds
		var newGoldenFish = new GoldenFish();
		newGoldenFish.x = 2048;
		newGoldenFish.y = Math.random() * 2732;
		goldenFishes.push(newGoldenFish);
		game.addChild(newGoldenFish);
	}
	// Spawn clouds
	if (LK.ticks % 300 == 0) {
		// Every 5 seconds
		var newCloud = new Cloud();
		newCloud.x = Math.random() * 2048;
		newCloud.y = 0;
		clouds.push(newCloud);
		game.addChild(newCloud);
	}
	// Move clouds and check for collision with the character
	for (var l = clouds.length - 1; l >= 0; l--) {
		clouds[l].move();
		if (clouds[l].intersects(character)) {
			// Game over logic
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
		// Remove off-screen clouds
		if (clouds[l].y > 2732) {
			clouds[l].destroy();
			clouds.splice(l, 1);
		}
	}
	// Move obese dogs and check for collision with the character
	for (var m = obeseDogs.length - 1; m >= 0; m--) {
		obeseDogs[m].move();
		if (obeseDogs[m].intersects(character)) {
			// Game over logic
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
		// Change direction when the obese dog reaches the edge of the screen
		if (obeseDogs[m].x <= 0 && obeseDogs[m].direction === 'left') {
			obeseDogs[m].direction = 'right';
		} else if (obeseDogs[m].x >= 2048 && obeseDogs[m].direction === 'right') {
			obeseDogs[m].direction = 'left';
		}
		// Remove off-screen obese dogs
		if (obeseDogs[m].x < -100 || obeseDogs[m].x > 2148) {
			obeseDogs[m].destroy();
			obeseDogs.splice(m, 1);
		}
		// Move mega dogs and check for collision with the character
		for (var n = megaDogs.length - 1; n >= 0; n--) {
			megaDogs[n].move();
			if (megaDogs[n].intersects(character)) {
				// Game over logic
				LK.effects.flashScreen(0xff0000, 1000);
				LK.showGameOver();
			}
			// Remove off-screen mega dogs
			if (megaDogs[n].x < -100) {
				megaDogs[n].destroy();
				megaDogs.splice(n, 1);
			}
		}
	}
	// Move PufferFishes and check for collision with the character
	for (var i = pufferFishes.length - 1; i >= 0; i--) {
		pufferFishes[i].move();
		if (pufferFishes[i].intersects(character)) {
			score -= 1; // Decrease score by 1
			scoreTxt.setText(score.toString()); // Update score display
			pufferFishes[i].destroy();
			pufferFishes.splice(i, 1);
		}
		// Remove off-screen PufferFishes
		if (pufferFishes[i] && pufferFishes[i].x < -100) {
			pufferFishes[i].destroy();
			pufferFishes.splice(i, 1);
		}
	}
	// Move enemy cars, check for off-screen, and end game on collision with character
	for (var i = enemyCars.length - 1; i >= 0; i--) {
		enemyCars[i].move();
		if (enemyCars[i].intersects(character)) {
			// End game if character touches the car
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
		if (enemyCars[i].x < -300) {
			// Assuming the width of the car is 300
			enemyCars[i].destroy();
			enemyCars.splice(i, 1);
		}
	}
	// Spawn Birds
	if (LK.ticks % 900 == 0) {
		// Every 15 seconds
		var newBird = new Bird();
		newBird.x = Math.random() * 2048; // Start from a random horizontal position
		newBird.y = 0; // Start from the top
		game.addChild(newBird);
		obstacles.push(newBird); // Add the newBird to the obstacles array for collision detection
	}
	// Spawn enemy cars
	if (LK.ticks % 600 == 0) {
		// Every 10 seconds
		var newEnemyCar = new EnemyCar();
		newEnemyCar.x = 2048; // Start from the right edge
		newEnemyCar.y = Math.random() * 2732; // Position randomly on the vertical axis
		game.addChild(newEnemyCar);
		enemyCars.push(newEnemyCar); // Add the newEnemyCar to the global enemyCars array for tracking
	}
	// Spawn PufferFish for negative scoring
	if (LK.ticks % 180 == 0 && score >= 1 && score % 2 == 0) {
		// Appears at the beginning of 1 point and every 2 points thereafter
		var newPufferFish = new PufferFish();
		newPufferFish.x = 2048; // Start from the right edge
		newPufferFish.y = Math.random() * 2732; // Position randomly on the vertical axis
		game.addChild(newPufferFish);
		pufferFishes.push(newPufferFish); // Add the newPufferFish to the global pufferFishes array for tracking
	}
	// Spawn collectibles
	if (LK.ticks % 180 == 0) {
		// Every 3 seconds
		var newCollectible = new Collectible();
		newCollectible.x = 2048;
		newCollectible.y = Math.random() * 2732;
		collectibles.push(newCollectible);
		game.addChild(newCollectible);
	}
});

===================================================================
--- original.js
+++ change.js
@@ -220,8 +220,11 @@
 			LK.showGameOver();
 		}
 		// Check for collision with clouds
 		for (var j = clouds.length - 1; j >= 0; j--) {
+			if (obstacles[i] instanceof Bird) {
+				continue;
+			} // Skip if obstacle is a Bird
 			if (obstacles[i].intersects(clouds[j])) {
 				// Create an obese dog
 				var newObeseDog = new ObeseDog();
 				newObeseDog.x = obstacles[i].x;