/**** 
* Classes
****/ 
// Assets will be automatically created and loaded during gameplay
// Bird class
var Bird = Container.expand(function () {
	var self = Container.call(this);
	var birdGraphics = self.attachAsset('bird', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.update = function () {
		// Bird movement logic
		self.x += self.vx;
		self.y += self.vy;
		// Bounce off the walls
		if (self.x < 0 || self.x > 2048) {
			self.vx *= -1;
			self.x = Math.max(0, Math.min(self.x, 2048));
		}
		if (self.y < 0 || self.y > 2732) {
			self.vy *= -1;
			self.y = Math.max(0, Math.min(self.y, 2732));
		}
	};
	self.vx = 0;
	self.vy = 0;
	self.invincible = false;
	self.setInvincible = function (duration) {
		self.invincible = true;
		LK.setTimeout(function () {
			self.invincible = false;
		}, duration);
	};
});
// Cloud class
var Cloud = Container.expand(function () {
	var self = Container.call(this);
	var cloudGraphics = self.attachAsset('cloud', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 1;
	self.update = function () {
		// Clouds remain still, no movement logic
	};
});
// Food class
var Food = Container.expand(function () {
	var self = Container.call(this);
	var foodGraphics = self.attachAsset('food', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
// Shield class
var Shield = Container.expand(function () {
	var self = Container.call(this);
	var shieldGraphics = self.attachAsset('shield', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
// Sun class
var Sun = Container.expand(function () {
	var self = Container.call(this);
	var sunGraphics = self.attachAsset('sun', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
// Tree class
var Tree = Container.expand(function () {
	var self = Container.call(this);
	var treeGraphics = self.attachAsset('tree', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB // Sky blue background
});

/**** 
* Game Code
****/ 
// Initialize game variables
var sun = game.addChild(new Sun());
sun.x = 2048 - 150;
sun.y = 150;
var cloud1 = game.addChild(new Cloud());
cloud1.x = 300;
cloud1.y = 200;
var cloud2 = game.addChild(new Cloud());
cloud2.x = 800;
cloud2.y = 400;
var bird = game.addChild(new Bird());
bird.x = 2048 / 2;
bird.y = 2732 / 2;
bird.vx = 5;
bird.vy = 5;
var shield = game.addChild(new Shield());
shield.x = Math.random() * 2048;
shield.y = Math.random() * 2732;
var trees = [];
var foods = [];
var score = 0;
var scoreTxt = new Text2('0', {
	size: 150,
	fill: "#ffffff",
	stroke: "#000000",
	strokeThickness: 10,
	dropShadow: true,
	dropShadowColor: "#000000",
	dropShadowBlur: 4,
	dropShadowAngle: Math.PI / 6,
	dropShadowDistance: 6,
	fontWeight: 'bold',
	fontStyle: 'italic'
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Function to spawn trees
function spawnTree() {
	var tree = new Tree();
	tree.x = Math.random() * 2048;
	tree.y = Math.random() * 2732;
	trees.push(tree);
	game.addChild(tree);
}
// Function to spawn food
function spawnFood() {
	var food = new Food();
	food.x = Math.random() * 2048;
	food.y = Math.random() * 2732;
	foods.push(food);
	game.addChild(food);
}
// Spawn initial trees and food
for (var i = 0; i < 5; i++) {
	spawnTree();
	spawnFood();
	spawnFood();
}
// Handle bird movement
game.down = function (x, y, obj) {
	var game_position = game.toLocal(obj.global);
	bird.vx = (game_position.x - bird.x) / 60;
	bird.vy = (game_position.y - bird.y) / 60;
};
// Update game state
game.update = function () {
	bird.update();
	// Check for collisions with clouds
	if (bird.intersects(cloud1) || bird.intersects(cloud2)) {
		LK.effects.flashScreen(0xff0000, 1000);
		var sorryTxt = new Text2('SORRY', {
			size: 200,
			fill: "#ff0000",
			stroke: "#000000",
			strokeThickness: 10,
			dropShadow: true,
			dropShadowColor: "#000000",
			dropShadowBlur: 4,
			dropShadowAngle: Math.PI / 6,
			dropShadowDistance: 6,
			fontWeight: 'bold',
			fontStyle: 'italic'
		});
		sorryTxt.anchor.set(0.5, 0.5);
		sorryTxt.x = 2048 / 2;
		sorryTxt.y = 2732 / 2;
		LK.gui.center.addChild(sorryTxt);
		LK.showGameOver();
		return;
	}
	// Check for collisions with trees
	for (var i = 0; i < trees.length; i++) {
		if (!bird.invincible && bird.intersects(trees[i])) {
			LK.effects.flashScreen(0xff0000, 1000);
			var sorryTxt = new Text2('SORRY', {
				size: 200,
				fill: "#ff0000",
				stroke: "#000000",
				strokeThickness: 10,
				dropShadow: true,
				dropShadowColor: "#000000",
				dropShadowBlur: 4,
				dropShadowAngle: Math.PI / 6,
				dropShadowDistance: 6,
				fontWeight: 'bold',
				fontStyle: 'italic'
			});
			sorryTxt.anchor.set(0.5, 0.5);
			sorryTxt.x = 2048 / 2;
			sorryTxt.y = 2732 / 2;
			LK.gui.center.addChild(sorryTxt);
			LK.showGameOver();
			return;
		}
	}
	// Check for collisions with food
	for (var i = 0; i < foods.length; i++) {
		if (bird.intersects(foods[i])) {
			score += 2;
			scoreTxt.setText(score);
			foods[i].destroy();
			foods.splice(i, 1);
			spawnFood();
		}
	}
	// Check for collisions with shield
	if (bird.intersects(shield)) {
		score += 5;
		scoreTxt.setText(score);
		bird.setInvincible(5000); // Make bird invincible for 5 seconds
		shield.destroy();
		shield = game.addChild(new Shield());
		shield.x = Math.random() * 2048;
		shield.y = Math.random() * 2732;
	}
	// Check for collisions with walls
	if (bird.x < 0 || bird.x > 2048 || bird.y < 0 || bird.y > 2732) {
		LK.effects.flashScreen(0xff0000, 1000);
		var sorryTxt = new Text2('SORRY', {
			size: 200,
			fill: "#ff0000",
			stroke: "#000000",
			strokeThickness: 10,
			dropShadow: true,
			dropShadowColor: "#000000",
			dropShadowBlur: 4,
			dropShadowAngle: Math.PI / 6,
			dropShadowDistance: 6,
			fontWeight: 'bold',
			fontStyle: 'italic'
		});
		sorryTxt.anchor.set(0.5, 0.5);
		sorryTxt.x = 2048 / 2;
		sorryTxt.y = 2732 / 2;
		LK.gui.center.addChild(sorryTxt);
		LK.showGameOver();
		return;
	}
};

===================================================================
--- original.js
+++ change.js
@@ -16,11 +16,13 @@
 		self.y += self.vy;
 		// Bounce off the walls
 		if (self.x < 0 || self.x > 2048) {
 			self.vx *= -1;
+			self.x = Math.max(0, Math.min(self.x, 2048));
 		}
 		if (self.y < 0 || self.y > 2732) {
 			self.vy *= -1;
+			self.y = Math.max(0, Math.min(self.y, 2732));
 		}
 	};
 	self.vx = 0;
 	self.vy = 0;
@@ -99,8 +101,10 @@
 cloud2.y = 400;
 var bird = game.addChild(new Bird());
 bird.x = 2048 / 2;
 bird.y = 2732 / 2;
+bird.vx = 5;
+bird.vy = 5;
 var shield = game.addChild(new Shield());
 shield.x = Math.random() * 2048;
 shield.y = Math.random() * 2732;
 var trees = [];