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

/**** 
* Classes
****/ 
// Simplified background container
var Background = Container.expand(function () {
	var self = Container.call(this);
	self.attachAsset('background', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
// Branch asset
// Bird entity with movement system
var Bird1 = Container.expand(function () {
	var self = Container.call(this);
	var birdGraphics = self.attachAsset('bird1-right', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Initializes entity movement parameters
	createMovementSystem(self, birdGraphics, {
		baseSpeed: 1,
		textures: {
			left: 'bird1-left',
			right: 'bird1-right'
		},
		entityType: 'bird1'
	});
	self.setChildIndex = function (index) {
		if (game.children.includes(self)) {
			game.setChildIndex(self, index);
		}
	};
});
// Bird2 class to represent the second kind of bird
var Bird2 = Container.expand(function () {
	var self = Container.call(this);
	var birdGraphics = self.attachAsset('bird2-right', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Initializes entity movement parameters
	createMovementSystem(self, birdGraphics, {
		baseSpeed: 1,
		speedVariation: 1.6,
		useWaveMotion: true,
		waveAmplitude: 6.5,
		waveFrequency: 100,
		horizontalMovement: false,
		textures: {
			left: 'bird2-left',
			right: 'bird2-right'
		},
		respawnPosition: 'random',
		sounds: {
			move: 'wings1',
			destroy: null
		},
		scoreValue: 10,
		entityType: 'bird2'
	});
	self.setChildIndex = function (index) {
		if (game.children.includes(self)) {
			game.setChildIndex(self, index);
		}
	};
});
// Layer z-index management is handled by the layerStructure configuration
// Layer structure and initialization is already handled at the beginning of the file
// Consolidated checkInteractions function is inserted below
// Bird2Movement class to handle Bird2 movement
// Bird2Movement class to handle Bird2 movement
/** 
* Configures movement behavior for game entities with tween-based animations
* @param {Container} entity - Target entity container
* @param {Graphics} graphics - Visual representation to animate
* @param {Object} config - Movement configuration:
* @param {number} [config.baseSpeed=1] - Base movement speed
* @param {Object} config.textures - Directional sprites {left, right}
* @param {boolean} [config.useWaveMotion=false] - Enable sine-based path
* @param {number} [config.waveAmplitude=0] - Vertical deviation magnitude
* @param {number} [config.waveFrequency=100] - Horizontal wave cycle length
*/ 
// Cat class to manage cat behavior
var Cat = Container.expand(function () {
	var self = Container.call(this);
	var catGraphics = self.attachAsset('cat', {
		anchorX: 0.5,
		anchorY: 1
	});
	self.update = function () {
		// Add any specific update logic for the cat here
	};
});
// Cloud container with 80% opacity
var Cloud = Container.expand(function () {
	var self = Container.call(this);
	var cloudGraphics = self.attachAsset('cloud', {
		alpha: 0.8
	});
	self.movement = createMovementSystem(self, {
		baseSpeed: Math.random() * 0.55 + 0.25,
		horizontalMovement: true,
		entityType: 'cloud'
	});
	self.update = function () {
		this.__proto__.update.call(this);
		for (var i = 0; i < clouds.length; i++) {
			if (clouds[i] !== this && this.intersects(clouds[i])) {
				if (!this.hasAccelerated) {
					this.speed *= 1.5;
					this.hasAccelerated = true;
				}
				break;
			} else if (this.hasAccelerated && !this.intersects(clouds[i])) {
				this.speed /= 1.5;
				this.hasAccelerated = false;
			}
		}
		if (!this.lastIntersecting && this.intersects(sun)) {
			this.speed *= 2;
			tween(this.cloudGraphics, {
				alpha: 0.5
			}, {
				duration: 3000,
				easing: tween.linear
			});
		} else if (this.lastIntersecting && !this.intersects(sun)) {
			this.speed /= 2;
			tween(this.cloudGraphics, {
				alpha: 1.0
			}, {
				duration: 3000,
				easing: tween.linear
			});
		}
		this.lastIntersecting = this.intersects(sun);
	};
	self.addChild(cloudGraphics);
});
// CloudMovement class to handle cloud movement and fade effects
// GrassBack class to represent the grass image
var GrassBack = Container.expand(function () {
	var self = Container.call(this);
	var grassGraphics = self.attachAsset('grass-back', {
		anchorX: 0.5,
		anchorY: 1
	});
	self.update = function () {
		// Add any specific update logic for the grass here
		// Example: Slightly move the grass to simulate wind effect
		self.x += Math.sin((LK.ticks + 100) / 90) * 0.15; // Swaying effect, increased speed
	};
	self.addChild(grassGraphics); // Add grass graphics to the container
});
// GrassFront class to represent the second grass image
var GrassFront = Container.expand(function () {
	var self = Container.call(this);
	var grass2Graphics = self.attachAsset('grass-front', {
		anchorX: 0.5,
		anchorY: 1
	});
	self.lastX = self.x; // Initialize lastX for tracking changes on X
	self.addChild(grass2Graphics); // Add grass2 graphics to the container
	self.update = function () {
		updateMovement(self, {
			movementType: 'sinusoidal',
			amplitude: 0.125,
			frequency: 100,
			offset: 50
		});
	};
});
// Jet class to represent a jet flying across the screen
var Jet = Container.expand(function () {
	var self = Container.call(this);
	var jetGraphics = self.attachAsset('jet-right', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Initializes entity movement parameters
	createMovementSystem(self, jetGraphics, {
		baseSpeed: 8,
		speedVariation: 0,
		useWaveMotion: true,
		waveAmplitude: 100,
		waveFrequency: 100,
		horizontalMovement: true,
		baseY: 300,
		textures: {
			left: 'jet-left',
			right: 'jet-right'
		},
		respawnPosition: 'side',
		sounds: {
			move: 'jetSound',
			destroy: 'jetSound'
		},
		onDestroy: function onDestroy(entity) {
			handleJetReappearance();
		},
		entityType: 'jet'
	});
	self.onDestroy = function () {
		LK.getSound('jetSound').stop(); // Ensure sound stops when jet is destroyed
	};
	self.setChildIndex = function (index) {
		if (game.children.includes(self)) {
			game.setChildIndex(self, index);
		}
	};
});
var JetLeft = Container.expand(function () {
	var self = Container.call(this);
	var jetGraphics = self.attachAsset('jet-left', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Initializes entity movement parameters with fixed left direction
	createMovementSystem(self, jetGraphics, {
		baseSpeed: 8,
		speedVariation: 0,
		useWaveMotion: true,
		waveAmplitude: 100,
		waveFrequency: 100,
		horizontalMovement: true,
		baseY: 300,
		textures: {
			left: 'jet-left',
			right: 'jet-right'
		},
		respawnPosition: 'side',
		sounds: {
			move: 'jetSound',
			destroy: 'jetSound'
		},
		onDestroy: function onDestroy(entity) {
			handleJetReappearance();
		},
		entityType: 'jet'
	});
	self.direction = -1; // Always left
	self.onDestroy = function () {
		LK.getSound('jetSound').stop();
	};
});
var JetRight = Container.expand(function () {
	var self = Container.call(this);
	var jetGraphics = self.attachAsset('jet-right', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Initializes entity movement parameters with fixed right direction
	createMovementSystem(self, jetGraphics, {
		baseSpeed: 8,
		speedVariation: 0,
		useWaveMotion: true,
		waveAmplitude: 100,
		waveFrequency: 100,
		horizontalMovement: true,
		baseY: 300,
		textures: {
			left: 'jet-left',
			right: 'jet-right'
		},
		respawnPosition: 'side',
		sounds: {
			move: 'jetSound',
			destroy: 'jetSound'
		},
		onDestroy: function onDestroy(entity) {
			handleJetReappearance();
		},
		entityType: 'jet'
	});
	self.direction = 1; // Always right
	self.onDestroy = function () {
		LK.getSound('jetSound').stop();
	};
});
// Laser class to represent a laser shot from the cat
var Laser = Container.expand(function (startX, startY, targetX, targetY) {
	var self = Container.call(this);
	var laserGraphics = self.attachAsset('laser2', {
		anchorX: 0.5,
		anchorY: 0.5,
		brightness: 2.0 // Increase brightness by 200%
	});
	// Play the laser1 sound when the laser is created
	LK.getSound('laser1').play();
	// Initializes entity movement parameters
	LaserMovement(self, laserGraphics, startX, startY, targetX, targetY);
	return self;
});
// Light1 class to represent a light object
var Light1 = Container.expand(function () {
	var self = Container.call(this);
	var lightGraphics = self.attachAsset('light1', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.2 // Set transparency to 20%
	});
	self.x = 450, self.y = 440;
	self.update = function () {
		// Add any specific update logic for the light here
	};
	self.pulse = new Light1Pulse(lightGraphics);
	self.pulse.startPulsating();
});
// Mirror class to manage score display
var Mirror = Container.expand(function () {
	var self = Container.call(this);
	var scoreGraphics = self.attachAsset('mirror1', {
		anchorX: 0.5,
		anchorY: 0.5,
		rotation: Math.PI / 14 // Rotate image right 15 degrees
	});
	var scoreText = new Text2('0', {
		size: 175,
		fill: 0x800080,
		font: "Courier New, Courier, monospace",
		// Segmented clock style font
		stroke: 0x00FF00,
		strokeThickness: 15,
		dropShadow: true,
		dropShadowColor: 0x000000,
		dropShadowBlur: 5,
		dropShadowAngle: Math.PI / 6,
		dropShadowDistance: 6
	});
	scoreText.y = 40; // Move score text up by 20px
	scoreText.x = -145; // Move score text left by 10px
	scoreText.rotation = Math.PI / 12; // Rotate score text right 15 degrees
	self.addChild(scoreText);
	self.updateScore = function (newScore) {
		scoreText.setText(newScore);
	};
});
// Mirror1 class to represent the mirror image
var Mirror1 = Container.expand(function () {
	var self = Container.call(this);
	var mirror1Graphics = self.attachAsset('mirror1', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.addChild(mirror1Graphics);
});
// Reticle class to manage reticle behavior
var Reticle = Container.expand(function () {
	var self = Container.call(this);
	var reticleGraphics = self.attachAsset('reticle1', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Add any specific update logic for the reticle here
	};
	// Start the pulsating effect for the reticle
	startPulsating(self);
});
// Reticle1 class to represent the reticle image
var Reticle1 = Container.expand(function () {
	var self = Container.call(this);
	var reticle1Graphics = self.attachAsset('reticle1', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.addChild(reticle1Graphics);
});
// ScoreImage class to represent the score image
var ScoreImage = Container.expand(function () {
	var self = Container.call(this);
	var scoreImageGraphics = self.attachAsset('scoreImage', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.addChild(scoreImageGraphics);
});
// Stack1 class to represent the stack1 image
var Stack1 = Container.expand(function () {
	var self = Container.call(this);
	var stackGraphics = self.attachAsset('stack1', {
		anchorX: 0.5,
		anchorY: 0.5,
		rotation: Math.PI / -12
	});
	self.update = function () {
		// Add any specific update logic for stack1 here
	};
});
// ScoreManager class to manage score logic
// Sun class to represent a sun in the top right corner
var Sun = Container.expand(function () {
	var self = Container.call(this);
	var sunGraphics = self.attachAsset('sun', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.pulse = new SunPulse(sunGraphics);
	self.pulse.startPulsating();
});
// Function to create a pulsating effect
// Tree class to represent a tree with a 9:16 aspect ratio
var Tree = Container.expand(function () {
	var self = Container.call(this);
	var treeGraphics = self.attachAsset('tree', {
		anchorX: 0.5,
		anchorY: 1,
		antialias: true,
		// Apply antialias effect
		stroke: 0x000000,
		// Add a black stroke
		strokeThickness: 15 // Set stroke thickness to 15px
	});
	self.update = function () {
		// Add any specific update logic for the tree here
	};
});
// Tree2 class to represent the second type of tree
var Tree2 = Container.expand(function () {
	var self = Container.call(this);
	var tree2Graphics = self.attachAsset('tree2', {
		anchorX: 0.5,
		anchorY: 1
	});
	self.addChild(tree2Graphics);
});
// UFO class to represent a UFO
var UFO = Container.expand(function () {
	var self = Container.call(this);
	var ufoGraphics = self.attachAsset('ufo2', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Initializes entity movement parameters
	UFOMovement(self, ufoGraphics);
	self.setChildIndex = function (index) {
		if (game.children.includes(self)) {
			game.setChildIndex(self, index);
		}
	};
});
// UFO2 class to represent the second type of UFO
var UFO2 = Container.expand(function () {
	var self = Container.call(this);
	var ufo2Graphics = self.attachAsset('ufo2', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Initializes entity movement parameters
	UFOMovement(self, ufo2Graphics);
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
/** 
* Configures movement behavior for game entities with tween-based animations
* @param {Container} entity - Target entity container
* @param {Graphics} graphics - Visual representation to animate
* @param {Object} config - Movement configuration:
* @param {number} [config.baseSpeed=1] - Base movement speed
* @param {Object} config.textures - Directional sprites {left, right}
* @param {boolean} [config.useWaveMotion=false] - Enable sine-based path
* @param {number} [config.waveAmplitude=0] - Vertical deviation magnitude
* @param {number} [config.waveFrequency=100] - Horizontal wave cycle length
*/ 
// Bird2Movement class to handle Bird2 movement
// Bird2Movement class to handle Bird2 movement
// Consolidated checkInteractions function is inserted below
// Layer structure and initialization is already handled at the beginning of the file
// Layer z-index management is handled by the layerStructure configuration
// Add base BirdMovement class (missing)
// Initialize global variables
// Movement system is now handled by js/movements.js
// CloudMovement class to handle cloud movement and fade effects
function createMovementSystem(entity, graphics, config) {
	config = config || {}; // Ensure config is defined
	entity.speed = (config.baseSpeed || 1) + Math.random() * (config.speedVariation || 0);
	entity.lastY = entity.y;
	entity.lastX = entity.x;
	entity.direction = config.direction || (Math.random() < 0.5 ? 1 : -1);
	if (config.sounds && config.sounds.move) {
		LK.getSound(config.sounds.move).play({
			loop: true
		});
	}
	entity.update = function () {
		if (config.horizontalMovement) {
			entity.x += entity.speed * entity.direction;
			if (config.useWaveMotion) {
				entity.y = config.baseY + Math.sin(entity.x / config.waveFrequency) * config.waveAmplitude;
			}
		} else {
			entity.y += entity.speed;
			if (config.useWaveMotion) {
				entity.x += Math.sin(entity.y / config.waveFrequency) * config.waveAmplitude;
			}
		}
		// Handle off-screen behavior
		if (entity.lastY <= 2732 && entity.y > 2732 || config.horizontalMovement && (entity.x > 2048 + entity.width / 2 || entity.x < -entity.width / 2)) {
			if (config.sounds && config.sounds.destroy) {
				LK.getSound(config.sounds.destroy).stop();
			}
			if (config.respawnPosition === 'top') {
				entity.y = -entity.height;
				entity.x = Math.random() < 0.33 ? Math.random() * 2048 : Math.random() < 0.5 ? 0 : 2048;
			} else if (config.respawnPosition === 'random') {
				entity.y = Math.random() * 2732;
				entity.x = Math.random() < 0.5 ? 0 : 2048;
			} else if (config.respawnPosition === 'side') {
				entity.x = entity.direction > 0 ? -entity.width : 2048 + entity.width;
			}
			if (config.onRespawn) {
				config.onRespawn(entity);
			}
		}
		// Update graphics
		if (graphics && config.textures) {
			if (entity.lastX <= entity.x) {
				graphics.texture = LK.getAsset(config.textures.right, {}).texture;
			} else if (entity.lastX > entity.x) {
				graphics.texture = LK.getAsset(config.textures.left, {}).texture;
			}
		}
		entity.lastX = entity.x;
		entity.lastY = entity.y;
	};
	entity.destroy = function () {
		if (config.sounds) {
			if (config.sounds.move) {
				LK.getSound(config.sounds.move).stop();
			}
			if (config.sounds.destroy) {
				LK.getSound(config.sounds.destroy).stop();
			}
		}
		if (config.onDestroy) {
			config.onDestroy(entity);
		}
	};
}
var birds = [];
var clouds = [];
var ufo = null;
var score = 0;
var scoreDisplay = null;
// Initialize game layers with a single, organized structure
// Add missing game.layers initialization
game.layers = {
	background: new Container(),
	clouds: new Container(),
	ufo: new Container(),
	jetLeft: new Container(),
	jetRight: new Container(),
	birds: new Container(),
	enemies: new Container(),
	laser: new Container(),
	reticle: new Container(),
	grassBack: new Container(),
	grassFront: new Container()
};
// Add these layers to the game
Object.keys(game.layers).forEach(function (key) {
	game.addChild(game.layers[key]);
});
// Duplicate game.layers initialization removed
/** 
* Creates and adds a UFO to the game
* @returns {Object} The created UFO object
*/ 
function addUFO() {
	if (ufo) {
		return ufo;
	}
	// Create new UFO instance
	var ufo = new UFO();
	// Add to UFO layer
	game.layers.ufo.addChild(ufo);
	// Add to enemies layer for collision detection
	game.layers.enemies.addChild(ufo);
	// Set initial position (either left or right side of screen)
	ufo.x = Math.random() < 0.5 ? 2048 + ufo.width / 2 : -ufo.width / 2;
	ufo.y = Math.random() * (2732 / 2 - ufo.height);
	// Play UFO sound
	LK.getSound('ufo1').play();
	return ufo;
}
// Bird spawning functions
// Add missing spawn functions
function spawnBird1() {
	var bird = new Bird1();
	bird.x = Math.random() * 2048;
	bird.y = -bird.height;
	birds.push(bird);
	game.layers.birds.addChild(bird);
	game.layers.enemies.addChild(bird);
	return bird;
}
function spawnBird2() {
	var bird = new Bird2();
	bird.x = Math.random() * 2048;
	bird.y = -bird.height;
	birds.push(bird);
	game.layers.birds.addChild(bird);
	game.layers.enemies.addChild(bird);
	return bird;
}
// Consolidated bird spawning functions
// Consolidated bird spawning functions are inserted below
// Jet timer function
var jetTimer = LK.setTimeout(function () {
	var jet = new Jet();
	jet.x = Math.random() < 0.5 ? 2048 + jet.width / 2 : -jet.width / 2;
	jet.y = Math.random() * (2732 / 2 - jet.height);
	// Add to appropriate layer based on direction
	if (jet.x < 1024) {
		game.layers.jetLeft.addChild(jet);
	} else {
		game.layers.jetRight.addChild(jet);
	}
	game.jet = jet;
	if (!game.jetSoundPlayed) {
		playSoundEffect('jetSound', 'play', 0.3, true);
		game.jetSoundPlayed = true;
	}
	jetTimer = LK.setTimeout(arguments.callee, 5000);
}, Math.random() * 5000 + 5000);
// Cloud initialization
for (var i = 0; i < 4; i++) {
	var cloud = new Cloud();
	cloud.x = Math.random() * 2048;
	cloud.y = Math.random() * (2732 / 2);
	clouds.push(cloud);
	game.layers.clouds.addChild(cloud);
}
// Handle click/tap events
game.down = function (x, y, obj) {
	if (!game.reticle) {
		game.reticle = game.layers.reticle.addChild(new Reticle());
	}
	game.reticle.x = x;
	game.reticle.y = y;
	var laser = new Laser(cat.x - 140, cat.y - 440, x, y);
	game.layers.laser.addChild(laser);
};
// This is a duplicate checkInteractions function that has been consolidated elsewhere
// Object placements are handled in the main initialization section
// This is a duplicate addUFO function that has been consolidated elsewhere
// Consolidated bird spawning functions
// Consolidated bird spawning functions are inserted below
var jetTimer = LK.setTimeout(function () {
	var jet = new Jet();
	jet.x = Math.random() < 0.5 ? 2048 + jet.width / 2 : -jet.width / 2;
	jet.y = Math.random() * (2732 / 2 - jet.height);
	// Add to appropriate layer based on direction
	if (jet.x < 1024) {
		game.layers.jetLeft.addChild(jet);
	} else {
		game.layers.jetRight.addChild(jet);
	}
	game.jet = jet;
	if (!game.jetSoundPlayed) {
		playSoundEffect('jetSound', 'play', 0.3, true);
		game.jetSoundPlayed = true;
	}
	jetTimer = LK.setTimeout(arguments.callee, 5000);
}, Math.random() * 5000 + 5000);
for (var i = 0; i < 4; i++) {
	var cloud = new Cloud();
	cloud.x = Math.random() * 2048;
	cloud.y = Math.random() * (2732 / 2);
	clouds.push(cloud);
	game.layers.clouds.addChild(cloud);
}
game.down = function (x, y, obj) {
	if (!game.reticle) {
		game.reticle = game.layers.reticle.addChild(new Reticle());
	}
	game.reticle.x = x;
	game.reticle.y = y;
	var laser = new Laser(cat.x - 140, cat.y - 440, x, y);
	game.layers.laser.addChild(laser);
};
// This is a duplicate checkInteractions function that has been consolidated elsewhere
// Layer structure and initialization is already handled at the beginning of the file
// Layer z-index management is handled by the layerStructure configuration
// The spawn functions for UFO, Bird1, Bird2, and Jet are already defined earlier in the code
// Layer z-index management is handled by the layerStructure configuration
// The game.down function is already defined earlier in the code
game.addChild(game.layers.enemies);
// CloudMovement class to handle cloud movement and fade effects
// UFOMovement class to handle UFO movement
// UFOMovement has been moved to js/movements.js
// Generic Pulse class that can be used for both Sun and Light1
/** 
* Reusable animation controller for pulsating effects using tween
* @param {Graphics} graphics - Target graphics object to animate
* @param {number} [scaleMax=1.1] - Maximum scale multiplier
* @param {number} [duration=1000] - Full animation cycle duration in ms
*/ 
var Pulse = function Pulse(graphics, scaleMax, duration) {
	this.graphics = graphics;
	this.scaleMax = scaleMax || 1.1;
	this.duration = duration || 1000;
	/** 
	* Starts continuous pulsating animation using recursive tween calls
	* Creates smooth scale oscillation through easeInOut timing
	*/ 
	this.startPulsating = function () {
		function pulsate() {
			tween(this.graphics, {
				scaleX: this.scaleMax,
				scaleY: this.scaleMax
			}, {
				duration: this.duration,
				easing: tween.easeInOut,
				onFinish: function () {
					tween(this.graphics, {
						scaleX: 1.0,
						scaleY: 1.0
					}, {
						duration: this.duration,
						easing: tween.easeInOut,
						onFinish: pulsate.bind(this)
					});
				}.bind(this)
			});
		}
		pulsate.call(this);
	};
};
// Light1Pulse now uses the generic Pulse class
/** Factory for light fixture pulse (higher intensity/longer duration) */
var Light1Pulse = function Light1Pulse(lightGraphics) {
	return new Pulse(lightGraphics, 1.6, 1500);
};
// SunPulse now uses the generic Pulse class
/** Factory for subtle solar glow pulse (conservative scaling) */
var SunPulse = function SunPulse(sunGraphics) {
	return new Pulse(sunGraphics, 1.1, 1000);
};
var bird2; // Define bird2 variable in the global scope
// Bird2Effects class to handle effects and animations for Bird2
// Consolidated function to create a pulsating effect
function startPulsating(target, duration) {
	duration = duration || 888;
	function pulsate() {
		tween(target, {
			scaleX: 1.1,
			// Use consistent scale value
			scaleY: 1.1
		}, {
			duration: duration,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				tween(target, {
					scaleX: 1.0,
					scaleY: 1.0
				}, {
					duration: duration,
					easing: tween.easeInOut,
					onFinish: pulsate
				});
			}
		});
	}
	pulsate();
}
var UFOSound = function UFOSound() {
	this.play = function () {
		LK.getSound('ufo1').play();
	};
};
// BackgroundMusic class to manage background music
function playSoundEffect(soundName, action) {
	var volume = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;
	var loops = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
	var sound = LK.getSound(soundName);
	switch (action) {
		case 'play':
			sound.play({
				volume: volume,
				loops: loops
			});
			break;
		case 'stop':
			sound.stop();
			break;
		case 'pause':
			sound.pause();
			break;
	}
}
var BackgroundMusic = function BackgroundMusic() {
	this.play = function () {
		LK.playMusic('bgm1', {
			loop: false,
			fade: {
				start: 0,
				end: 1,
				duration: 4000
			},
			onEnd: function onEnd() {
				LK.setTimeout(function () {
					return LK.playMusic('bgm1', {
						loop: false,
						fade: {
							start: 0,
							end: 1,
							duration: 4000
						},
						onEnd: function onEnd() {
							LK.setTimeout(function () {
								return LK.playMusic('bgm1', {
									loop: false,
									fade: {
										start: 0,
										end: 1,
										duration: 4000
									},
									onEnd: function onEnd() {
										LK.setTimeout(onBgm1End, Math.random() * 30000 + 20000);
									}
								});
							}, Math.random() * 30000 + 20000);
						}
					});
				}, Math.random() * 30000 + 50000);
			}
		});
	};
};
// LaserSound class to manage laser sound effects
var LaserSound = function LaserSound() {
	this.play = function () {
		LK.getSound('laser1').play();
	};
};
/** 
* Bird1 movement configuration
*/ 
function BirdMovement(bird, birdGraphics, birdType) {
	createMovementSystem(bird, birdGraphics, {
		baseSpeed: 1,
		speedVariation: 1.6,
		useWaveMotion: true,
		waveAmplitude: 6.5,
		waveFrequency: 100,
		horizontalMovement: false,
		textures: {
			left: "".concat(birdType, "-left"),
			right: "".concat(birdType, "-right")
		},
		respawnPosition: birdType === 'bird1' ? 'top' : 'random',
		sounds: {
			move: 'wings1',
			destroy: null
		},
		scoreValue: 10,
		entityType: birdType
	});
}
/** 
* Bird2 movement configuration
*/ 
function UFOMovement(ufo, ufoGraphics) {
	createMovementSystem(ufo, ufoGraphics, {
		baseSpeed: 3,
		speedVariation: 0,
		useWaveMotion: true,
		waveAmplitude: 50,
		waveFrequency: 100,
		horizontalMovement: true,
		baseY: 100,
		textures: null,
		sounds: {
			move: 'ufo1',
			destroy: null
		},
		onDestroy: function onDestroy(entity) {
			entity.destroy();
			ufo = null;
			handleUFOReappearance();
		},
		scoreValue: 20,
		entityType: 'ufo'
	});
}
/** 
* Jet movement configuration
*/ 
/** 
* Laser movement configuration
*/ 
function LaserMovement(laser, laserGraphics, startX, startY, targetX, targetY) {
	// Calculate direction and speed
	var dx = targetX - startX;
	var dy = targetY - startY;
	var distance = Math.sqrt(dx * dx + dy * dy);
	var speed = 60; // Speed of the laser
	laser.vx = dx / distance * speed;
	laser.vy = dy / distance * speed;
	// Set initial position
	laser.x = startX;
	laser.y = startY;
	// Initializes entity movement parameters with laser-specific configuration
	createMovementSystem(laser, laserGraphics, {
		entityType: 'laser',
		sounds: {
			move: 'laser2',
			destroy: null
		},
		scoreValue: 0,
		screenBounds: {
			width: 2048,
			height: 2732
		}
	});
	return laser;
}
// CloudMovement class is already defined earlier in the file
var Bird2Effects = function Bird2Effects(bird) {
	this.bird = bird;
	this.applyEffects = function () {
		// Apply swooping animation effect
		tween(this.bird, {
			rotation: Math.sin(this.bird.y / 100) * 0.2
		}, {
			duration: 1000,
			easing: tween.easeInOut
		});
		// Apply scale pulsing effect when moving fast
		if (Math.abs(this.bird.x - this.bird.lastX) > 5) {
			tween(this.bird, {
				scaleX: 1.1,
				scaleY: 1.1
			}, {
				duration: 500,
				easing: tween.easeOut,
				onFinish: function () {
					tween(this.bird, {
						scaleX: 1.0,
						scaleY: 1.0
					}, {
						duration: 500,
						easing: tween.easeIn
					});
				}.bind(this)
			});
		}
	};
};
var background = LK.getAsset('background', {
	anchorX: 0.5,
	anchorY: 0.5
});
background.x = 2048 / 2;
background.y = 2732 / 2 - 100;
game.layers.background.addChild(background);
game.addChild(background);
// ScoreManager class to manage score logic
var ScoreManager = function ScoreManager() {
	var self = this;
	self.score = 0;
	self.addScore = function (points) {
		self.score += points;
		return self.score;
	};
	self.resetScore = function () {
		self.score = 0;
	};
	self.getScore = function () {
		return self.score;
	};
};
var birds = [];
game.down = function (x, y, obj) {
	if (!game.reticle) {
		game.reticle = game.layers.reticle.addChild(new Reticle());
	}
	game.reticle.x = x;
	game.reticle.y = y;
	var laser = new Laser(cat.x - 140, cat.y - 440, x, y); // laser starting point
	game.layers.laser.addChild(laser);
};
var VOLUME_BGM1 = 0.02;
var VOLUME_BREEZE1 = 0.02;
var VOLUME_CRICKET1 = 0.02;
var VOLUME_FROG1 = 0.02;
var VOLUME_SONGBIRD1 = 0.02;
var VOLUME_UFO1 = 0.02;
var VOLUME_WINGS1 = 0.02;
game.move = function (x, y, obj) {
	if (!game.reticle) {
		game.reticle = game.layers.reticle.addChild(new Reticle());
	}
	if (obj.event) {
		var x = obj.event.x;
		var y = obj.event.y;
	}
	game.reticle.x = x;
	game.reticle.y = y;
};
// Initialize sun and light1
var sun = game.layers.background.addChild(new Sun());
sun.x = 1800;
sun.y = 300;
var light1 = game.layers.background.addChild(new Light1());
light1.x = 450;
light1.y = 440;
// Add a sun to the game in the top left corner
// Duplicate sun placement removed
// Duplicate light1 placement removed // Move light1 down by 210px
// Ensure light1 is added to the game before setting its index
if (game.children.includes(light1)) {
	game.setChildIndex(light1, 2); // Set light1 to be rendered after the sun
	// Add score display
	var scoreDisplay = game.addChild(new Mirror());
	scoreDisplay.x = 1700;
	scoreDisplay.y = 300;
}
// Function to add a UFO to the game
// Initialize clouds array
var clouds = [];
for (var i = 0; i < 4; i++) {
	// Add 3 clouds for variety
	var cloud = new Cloud();
	cloud.x = Math.random() * 2048;
	cloud.y = Math.random() * (2732 / 2); // Position clouds in the upper half of the screen
	clouds.push(cloud);
	game.layers.clouds.addChild(cloud);
	// No need to add cloud directly to game since it's already in the clouds layer
}
var bird1; // Define bird1 variable in the global scope
// Initialize birds
spawnBird1();
spawnBird2();
spawnBird2();
// Initialize a timer to add a UFO at a random time between 20 and 30 seconds
var ufo; // Define the ufo variable in the global scope
var laser; // Define the laser variable in the global scope
// Start UFO 3 seconds after game loads
var ufoTimer = LK.setTimeout(function () {
	ufo = addUFO();
}, 3000);
// Function to handle UFO reappearance logic
// Function to handle UFO reappearance logic
function handleUFOReappearance() {
	if (!ufo) {
		// Start a timer for the UFO to reappear 10-20 seconds after it leaves the screen
		ufoTimer = LK.setTimeout(function () {
			ufo = addUFO();
		}, Math.random() * 10000 + 10000);
	}
}
// Initialize a timer to add a Jet at a random time between 5 and 10 seconds
var jet; // Define the jet variable in the global scope
var jetTimer = LK.setTimeout(function () {
	var jet = new Jet();
	jet.x = Math.random() < 0.5 ? 2048 + jet.width / 2 : -jet.width / 2; // Start from either the far right or left edge of the screen
	jet.y = Math.random() * (2732 / 2 - jet.height); // Random initial y position within the top half of the screen
	// Add to appropriate layer based on direction
	if (jet.x < 1024) {
		game.layers.jetLeft.addChild(jet);
	} else {
		game.layers.jetRight.addChild(jet);
	}
	game.jet = jet;
	if (!game.jetSoundPlayed) {
		playSoundEffect('jetSound', 'play', 0.3, true); // Play jet sound when it appears
		game.jetSoundPlayed = true; // Ensure it only plays once
	}
	// Reset the timer for the Jet to reappear every 5 seconds after it leaves the screen
	jetTimer = LK.setTimeout(arguments.callee, 5000);
}, Math.random() * 5000 + 5000); // Initial interval for Jet appearances 5-10 seconds after page load
// Initialize enemy movement systems
function initEnemyMovement(enemy) {
	if (enemy instanceof Bird1) {
		enemy.movementSystem = new BirdMovement(enemy, enemy.graphics, 'bird1');
	}
	if (enemy instanceof Bird2) {
		enemy.movementSystem = new BirdMovement(enemy, enemy.graphics, 'bird2');
	}
	if (enemy instanceof UFO) {
		enemy.movementSystem = new UFOMovement(enemy, enemy.graphics);
	}
}
// Main game loop
function gameTick() {
	game.layers.enemies.children.forEach(function (enemy) {
		var _enemy$movementSystem;
		(_enemy$movementSystem = enemy.movementSystem) === null || _enemy$movementSystem === void 0 || _enemy$movementSystem.update();
	});
	checkInteractions();
	requestAnimationFrame(gameTick);
}
/** 
* Main game update function
* Uses the unified movement system for all entities
*/ 
game.update = function () {
	// Update all clouds
	for (var i = 0; i < clouds.length; i++) {
		clouds[i].update();
	}
	// Ensure at least 3 clouds are visible
	while (clouds.length < 3) {
		var cloud = new Cloud();
		cloud.x = Math.random() * 2048;
		cloud.y = Math.random() * (2732 / 2); // Position clouds in the upper half of the screen
		clouds.push(cloud);
		game.layers.clouds.addChild(cloud);
	}
	// Update all birds
	birds.forEach(function (bird) {
		bird.update();
	});
	// Ensure we have enough birds
	while (birds.length < 3) {
		if (birds.length % 2 === 0) {
			spawnBird1();
		} else {
			spawnBird2();
		}
	}
	// Update all lasers
	game.layers.laser.children.forEach(function (laser) {
		laser.update();
	});
	// Update UFO if it exists
	if (ufo) {
		ufo.update();
	}
	// Check for all interactions between game entities
	checkInteractions();
};
// Function to spawn a third kind of bird
// Consolidated bird spawning functions are inserted below
// Ensure there are always 3 birds on screen
// Initialize enemy movement systems
game.update = function () {
	// Update each bird
	birds.forEach(function (bird, index) {
		bird.update();
		// Check for intersections with other birds
		birds.forEach(function (otherBird, otherIndex) {
			if (index !== otherIndex && !bird.lastIntersecting && bird.intersects(otherBird)) {
				// Calculate bounce direction
				var dx = bird.x - otherBird.x;
				var dy = bird.y - otherBird.y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				var bounceFactor = 5; // Adjust bounce factor for desired effect
				// Apply bounce with acceleration
				bird.x += dx / distance * bounceFactor;
				bird.y += dy / distance * bounceFactor;
				otherBird.x -= dx / distance * bounceFactor;
				otherBird.y -= dy / distance * bounceFactor;
				// Mark as intersecting
				bird.lastIntersecting = true;
				otherBird.lastIntersecting = true;
			}
		});
		// Reset intersection state
		bird.lastIntersecting = birds.some(function (otherBird, otherIndex) {
			return index !== otherIndex && bird.intersects(otherBird);
		});
		// Check if the bird has moved off-screen
		if (bird.lastY <= 2732 && bird.y > 2732) {
			bird.y = -bird.height; // Respawn the bird at the top
			bird.x = Math.random() * 2048; // Randomize the x position
			bird.speed = 1 + Math.random() * 0.6; // Reset speed for new bird
		}
	});
};
// Note: Tree and stack1 are already added to their respective layers earlier in the code
// This section is redundant and can be removed
var score = 0;
// Add the grass floor to the game
var grassBack = game.layers.grassBack.addChild(new GrassBack()); // grassBack layer
grassBack.x = 1020;
grassBack.y = 2735; // Position grassBack at the bottom
// Note: grassFront and mirror are already added to their respective layers earlier in the code
// This section is redundant and can be removed as it causes duplicate rendering
// Function to handle bgm1 end event
function onBgm1End() {
	// Set a timer to replay bgm1 after 50-80 seconds
	var bgmTimer = LK.setTimeout(function () {
		LK.playMusic('bgm1', {
			loop: false,
			fade: {
				start: 0,
				end: 1,
				duration: 4000
			},
			onEnd: function onEnd() {
				LK.setTimeout(function () {
					return LK.playMusic('bgm1', {
						loop: false,
						fade: {
							start: 0,
							end: 1,
							duration: 4000
						},
						onEnd: function onEnd() {
							LK.setTimeout(function () {
								return LK.playMusic('bgm1', {
									loop: false,
									fade: {
										start: 0,
										end: 1,
										duration: 4000
									},
									onEnd: function onEnd() {
										LK.setTimeout(onBgm1End, Math.random() * 30000 + 20000);
									}
								});
							}, Math.random() * 30000 + 20000);
						}
					});
				}, Math.random() * 30000 + 50000);
			}
		});
	}, Math.random() * 30000 + 50000);
}
;
// Add the cat to the game
var cat = game.addChild(new Cat());
cat.x = 230; // Move the cat 20px to the left
cat.y = 2732; // Position the cat at the bottom of the screen
// Ensure cat is added to the game before setting its index
if (game.children.includes(cat)) {
	game.setChildIndex(cat, game.children.length - 1); // Bring the cat to the front by setting its index to the highest value
}
// Play bgm1 once on load and set a timer to replay it every 20-50 seconds
LK.playMusic('bgm1', {
	loop: false,
	// Play once
	fade: {
		start: 0,
		end: 0.02,
		// Set to the lowest volume
		duration: 4000
	},
	onEnd: function onEnd() {
		// Set a timer to replay bgm1 every 20-50 seconds
		LK.setTimeout(function () {
			LK.playMusic('bgm1', {
				loop: false,
				// Play once
				fade: {
					start: 0,
					end: 0.5,
					// Set to the lowest volume
					duration: 4000
				},
				onEnd: function onEnd() {
					LK.setTimeout(function () {
						return LK.playMusic('bgm1', {
							loop: false,
							fade: {
								start: 0,
								end: 1,
								duration: 4000
							},
							onEnd: function onEnd() {
								LK.setTimeout(function () {
									return LK.playMusic('bgm1', {
										loop: false,
										fade: {
											start: 0,
											end: 1,
											duration: 4000
										},
										onEnd: function onEnd() {
											LK.setTimeout(onBgm1End, Math.random() * 30000 + 20000);
										}
									});
								}, Math.random() * 30000 + 20000);
							}
						});
					}, Math.random() * 30000 + 50000);
				} // Proper event chaining
			});
		}, Math.random() * 30000 + 20000); // Random time between 20-50 seconds
	}
});
// Initialize a timer to play the wings1 sound at a random time between 10 and 30 seconds
var wingsTimer = LK.setTimeout(function () {
	LK.getSound('wings1').play();
	wingsTimer = LK.setTimeout(arguments.callee, Math.random() * 20000 + 10000);
}, Math.random() * 20000 + 10000);
// Create an array for all sounds except ufo1, including all birdsong sounds
var sounds = ['cricket1', 'frog1', 'wings1', 'songbird1'];
var currentAmbientSound = null;
// Initialize random timers for each sound to play between 30-50 seconds
sounds.forEach(function (soundId) {
	var sound = LK.getSound(soundId);
	var ambientSoundTimer = LK.setTimeout(function () {
		if (currentAmbientSound) {
			currentAmbientSound.stop(); // Stop the currently playing ambient sound
		}
		sound.play();
		currentAmbientSound = sound; // Set the current ambient sound
		// Set a timeout to reset the current ambient sound after it finishes playing
		LK.setTimeout(function () {
			currentAmbientSound = null;
		}, sound.duration * 1000); // Convert duration from seconds to milliseconds
		// Reset the timer to play the sound again between 30-50 seconds, plus an additional 5 seconds
		ambientSoundTimer = LK.setTimeout(arguments.callee, Math.random() * 20000 + 30000 + 5000);
	}, Math.random() * 20000 + 30000);
});
/** 
* Check for interactions between game entities
*/ 
function checkInteractions() {
	// Lasers vs Enemies
	game.layers.laser.children.forEach(function (laser) {
		game.layers.enemies.children.forEach(function (enemy) {
			if (laser.intersects(enemy)) {
				// Use the handleLaserCollision method if available
				if (enemy.handleLaserCollision) {
					enemy.handleLaserCollision(laser);
				} else {
					enemy.destroy();
					laser.destroy();
				}
				// Add score based on entity's score value
				if (enemy.getScoreValue) {
					var _scoreDisplay;
					score += enemy.getScoreValue();
					(_scoreDisplay = scoreDisplay) === null || _scoreDisplay === void 0 || _scoreDisplay.updateScore(score);
				}
			}
		});
	});
	// UFO vs Enemies
	var ufo = game.layers.enemies.children.find(function (child) {
		return child instanceof UFO;
	});
	if (ufo) {
		game.layers.enemies.children.forEach(function (enemy) {
			if (enemy !== ufo && ufo.intersects(enemy)) {
				enemy.destroy();
				LK.getSound('electro').play();
			}
		});
	}
}
/**** 
* Utility Functions
****/ 
/** 
* Simple movement update function that works with the consolidated movement system
* This is kept for backward compatibility with existing code that uses it
*/ 
function updateMovement(obj, params) {
	// If the object already has a movement system applied, use that
	if (typeof obj.update === 'function' && obj.speed !== undefined) {
		obj.speed = params.speed || obj.speed;
		obj.direction = params.direction || obj.direction;
		return;
	}
	// Otherwise apply simple movement
	obj.x += params.speed * params.direction;
	if (params.boundaryCheck) {
		handleScreenBoundaries(obj, params.boundaryWidth);
	}
}
function updateDirection(obj, graphics, rightAsset, leftAsset) {
	graphics.texture = LK.getAsset(obj.lastX < obj.x ? rightAsset : leftAsset, {}).texture;
}
function handleScreenBoundaries(obj, screenWidth) {
	if (obj.lastX <= screenWidth + obj.width / 2 && obj.x > screenWidth + obj.width / 2) {
		obj.x = -obj.width / 2;
	} else if (obj.lastX >= -obj.width / 2 && obj.x < -obj.width / 2) {
		obj.x = screenWidth + obj.width / 2;
	}
}
function handleCollisions(obj, others, collisionHandler) {
	others.forEach(function (other) {
		if (other !== obj && obj.intersects(other)) {
			collisionHandler(obj, other);
		}
	});
}
function handleSunInteraction(obj, sun, enterHandler, exitHandler) {
	var intersecting = obj.intersects(sun);
	if (!obj.lastIntersecting && intersecting) {
		enterHandler(obj);
	} else if (obj.lastIntersecting && !intersecting) {
		exitHandler(obj);
	}
	obj.lastIntersecting = intersecting;
}
function handleDestruction(obj, sounds) {
	if (obj.x > 2048 + obj.width / 2 || obj.x < -obj.width / 2) {
		sounds.forEach(function (sound) {
			return LK.getSound(sound).stop();
		});
		obj.destroy();
	}
}
// Updated Cloud update method
self.cloud.update = function () {
	updateMovement(this, {
		speed: this.speed,
		direction: this.direction,
		boundaryCheck: true,
		boundaryWidth: 2048
	});
	handleCollisions(this, clouds, function (cloud, other) {
		if (!cloud.hasAccelerated) {
			cloud.speed *= 1.5;
			cloud.hasAccelerated = true;
		}
	});
	handleSunInteraction(this, sun, function (cloud) {
		cloud.speed *= 2;
		tween(cloud.cloudGraphics, {
			alpha: 0.5
		}, {
			duration: 3000
		});
	}, function (cloud) {
		cloud.speed /= 2;
		tween(cloud.cloudGraphics, {
			alpha: 1.0
		}, {
			duration: 3000
		});
	});
	this.lastX = this.x;
};
// Updated Jet update method
self.update = function () {
	updateMovement(this, {
		speed: this.speed,
		direction: this.direction
	});
	updateDirection(this, jetGraphics, 'jet-right', 'jet-left');
	handleDestruction(this, ['jetSound']);
};
// Note: Tree and stack1 are already added to their respective layers earlier in the code
// This section is redundant and can be removed
var score = 0;
// Add the grass floor to the game
var grassBack = game.layers.grassBack.addChild(new GrassBack()); // grassBack layer
grassBack.x = 1020;
grassBack.y = 2735; // Position grassBack at the bottom
// Note: grassFront and mirror are already added to their respective layers earlier in the code

===================================================================
--- original.js
+++ change.js
@@ -99,9 +99,9 @@
 });
 // Cloud container with 80% opacity
 var Cloud = Container.expand(function () {
 	var self = Container.call(this);
-	self.attachAsset('cloud', {
+	var cloudGraphics = self.attachAsset('cloud', {
 		alpha: 0.8
 	});
 	self.movement = createMovementSystem(self, {
 		baseSpeed: Math.random() * 0.55 + 0.25,