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

/**** 
* Classes
****/ 
// Track if continue has been used in current session
var Bird = Container.expand(function () {
	var self = Container.call(this);
	var birdGraphics = self.attachAsset('bird', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocity = 0;
	self.gravity = 0.8;
	self.flapStrength = -12;
	self.maxFallSpeed = 15;
	self.rotation = 0;
	self.flap = function () {
		self.velocity = self.flapStrength;
		LK.getSound('flap').play();
		// Animate bird flap
		tween(birdGraphics, {
			rotation: -0.3
		}, {
			duration: 150
		});
		tween(birdGraphics, {
			rotation: 0
		}, {
			duration: 150,
			onFinish: function onFinish() {
				if (self.velocity > 0) {
					tween(birdGraphics, {
						rotation: 0.3
					}, {
						duration: 200
					});
				}
			}
		});
	};
	self.update = function () {
		// Don't update bird physics if game hasn't started
		if (!gameStarted) {
			return;
		}
		// Apply gravity
		self.velocity += self.gravity;
		if (self.velocity > self.maxFallSpeed) {
			self.velocity = self.maxFallSpeed;
		}
		// Update position
		self.y += self.velocity;
		// Update rotation based on velocity with falling effect
		var targetRotation = Math.min(Math.max(self.velocity * 0.05, -0.5), 0.8);
		// Add dramatic falling effect when bird is falling fast
		if (self.velocity > 8) {
			// Create falling spin effect
			tween(birdGraphics, {
				rotation: targetRotation + Math.PI * 2
			}, {
				duration: 800,
				easing: tween.easeIn
			});
			// Add slight scale effect during fall
			tween(birdGraphics, {
				scaleX: 0.9,
				scaleY: 1.1
			}, {
				duration: 300,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(birdGraphics, {
						scaleX: 1,
						scaleY: 1
					}, {
						duration: 200
					});
				}
			});
		} else {
			// Normal rotation for regular movement
			birdGraphics.rotation = targetRotation;
		}
	};
	return self;
});
var Chicken = Container.expand(function () {
	var self = Container.call(this);
	var chickenGraphics = self.attachAsset('chicken', {
		anchorX: 0.5,
		anchorY: 1
	});
	self.speed = -4;
	self.baseY = 0;
	self.pecking = false;
	self.update = function () {
		self.x += self.speed;
		// Chicken walking animation - quick and jerky movements
		var walkCycle = LK.ticks * 0.25; // Fast walking
		// Quick head bobbing motion
		self.y = self.baseY + Math.sin(walkCycle) * 1;
		// Head jerking motion characteristic of chickens
		chickenGraphics.x = Math.sin(walkCycle * 0.8) * 0.5;
		// Periodic pecking animation
		if (LK.ticks % 120 === 0) {
			self.pecking = !self.pecking;
		}
		// Quick stepping animation every 10 frames for rapid chicken steps
		if (LK.ticks % 10 === 0) {
			var stepDirection = Math.floor(LK.ticks / 10) % 2 * 2 - 1;
			tween(chickenGraphics, {
				scaleY: 0.95,
				scaleX: 1.05,
				y: stepDirection * 0.3,
				rotation: stepDirection * 0.05
			}, {
				duration: 50,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(chickenGraphics, {
						scaleY: 1,
						scaleX: 1,
						y: 0,
						rotation: 0
					}, {
						duration: 50,
						easing: tween.easeIn
					});
				}
			});
		}
		// Enhanced pecking motion when pecking
		if (self.pecking) {
			chickenGraphics.y = Math.sin(LK.ticks * 0.3) * 2;
		}
	};
	return self;
});
var Cloud = Container.expand(function () {
	var self = Container.call(this);
	self.speed = -1;
	self.cloudGraphics = self.attachAsset('cloud', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.cloudGraphics.alpha = 0.6;
	self.update = function () {
		self.x += self.speed;
		// Gentle floating
		self.y += Math.sin(LK.ticks * 0.02) * 0.1;
	};
	return self;
});
// Cloud class removed
var Coin = Container.expand(function () {
	var self = Container.call(this);
	var coinGraphics = self.attachAsset('coin', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -4;
	self.collected = false;
	self.rotationSpeed = 0.1;
	self.update = function () {
		self.x += self.speed;
		// Rotate coin for visual appeal
		coinGraphics.rotation += self.rotationSpeed;
		// Gentle floating animation
		coinGraphics.y = Math.sin(LK.ticks * 0.05) * 3;
	};
	return self;
});
var Cow = Container.expand(function () {
	var self = Container.call(this);
	var cowGraphics = self.attachAsset('cow', {
		anchorX: 0.5,
		anchorY: 1
	});
	self.speed = -4;
	// Add some black spots for cow appearance
	self.baseY = 0;
	self.update = function () {
		self.x += self.speed;
		// Proper walking animation with realistic bobbing
		var walkCycle = LK.ticks * 0.15; // Walking speed
		// Vertical bobbing motion - more pronounced and realistic
		self.y = self.baseY + Math.sin(walkCycle) * 2;
		// Subtle horizontal body sway
		cowGraphics.x = Math.sin(walkCycle * 0.5) * 1;
		// Body tilt during walking
		cowGraphics.rotation = Math.sin(walkCycle) * 0.05;
		// Step-based animation every 20 frames for more frequent steps
		if (LK.ticks % 20 === 0) {
			// Alternating leg movement effect
			var stepDirection = Math.floor(LK.ticks / 20) % 2 * 2 - 1; // -1 or 1
			// Step effect with body compression and extension
			tween(cowGraphics, {
				scaleY: 0.95,
				scaleX: 1.05,
				y: stepDirection * 1
			}, {
				duration: 100,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(cowGraphics, {
						scaleY: 1,
						scaleX: 1,
						y: 0
					}, {
						duration: 100,
						easing: tween.easeIn
					});
				}
			});
		}
	};
	return self;
});
var Farm = Container.expand(function () {
	var self = Container.call(this);
	var farmGraphics = self.attachAsset('farmGround', {
		anchorX: 0,
		anchorY: 0
	});
	self.speed = -4;
	self.update = function () {
		self.x += self.speed;
	};
	return self;
});
var ParticleSystem = Container.expand(function () {
	var self = Container.call(this);
	self.particles = [];
	self.maxParticles = 20;
	self.createParticle = function (x, y, color, size) {
		if (self.particles.length >= self.maxParticles) {
			return;
		}
		var particle = LK.getAsset('particle', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		particle.x = x;
		particle.y = y;
		particle.tint = color || 0xFFFFFF;
		particle.scaleX = size || 1;
		particle.scaleY = size || 1;
		particle.velocity = {
			x: (Math.random() - 0.5) * 10,
			y: (Math.random() - 0.5) * 10
		};
		particle.life = 1.0;
		particle.decay = 0.02;
		self.addChild(particle);
		self.particles.push(particle);
	};
	self.update = function () {
		for (var i = self.particles.length - 1; i >= 0; i--) {
			var particle = self.particles[i];
			particle.x += particle.velocity.x;
			particle.y += particle.velocity.y;
			particle.velocity.y += 0.3; // gravity
			particle.life -= particle.decay;
			particle.alpha = particle.life;
			if (particle.life <= 0) {
				particle.destroy();
				self.particles.splice(i, 1);
			}
		}
	};
	self.explode = function (x, y, color, count) {
		for (var i = 0; i < (count || 10); i++) {
			self.createParticle(x, y, color, Math.random() * 0.5 + 0.5);
		}
	};
	return self;
});
var Pig = Container.expand(function () {
	var self = Container.call(this);
	var pigGraphics = self.attachAsset('pig', {
		anchorX: 0.5,
		anchorY: 1
	});
	self.speed = -4;
	self.baseY = 0;
	self.update = function () {
		self.x += self.speed;
		// Pig walking animation - heavier and slower
		var walkCycle = LK.ticks * 0.12; // Slower walking
		// Heavy bobbing motion
		self.y = self.baseY + Math.sin(walkCycle) * 1.2;
		// Wide body sway for heavier appearance
		pigGraphics.x = Math.sin(walkCycle * 0.3) * 1.5;
		// Heavy stepping animation every 25 frames
		if (LK.ticks % 25 === 0) {
			var stepDirection = Math.floor(LK.ticks / 25) % 2 * 2 - 1;
			tween(pigGraphics, {
				scaleY: 0.92,
				scaleX: 1.08,
				y: stepDirection * 0.8
			}, {
				duration: 125,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(pigGraphics, {
						scaleY: 1,
						scaleX: 1,
						y: 0
					}, {
						duration: 125,
						easing: tween.easeIn
					});
				}
			});
		}
	};
	return self;
});
var Pipe = Container.expand(function () {
	var self = Container.call(this);
	self.speed = -4;
	self.passed = false;
	self.gapSize = 450;
	// Create top pipe
	self.topPipe = self.attachAsset('pipe', {
		anchorX: 0.5,
		anchorY: 1
	});
	// Create top pipe segment (Mario-style cap)
	self.topPipeSegment = self.attachAsset('pipeSegment', {
		anchorX: 0.5,
		anchorY: 1
	});
	// Create bottom pipe
	self.bottomPipe = self.attachAsset('pipe', {
		anchorX: 0.5,
		anchorY: 0
	});
	// Create bottom pipe segment (Mario-style cap)
	self.bottomPipeSegment = self.attachAsset('pipeSegment', {
		anchorX: 0.5,
		anchorY: 0
	});
	self.setGapPosition = function (gapY) {
		self.topPipe.y = gapY - self.gapSize / 2;
		self.bottomPipe.y = gapY + self.gapSize / 2;
		// Position the Mario-style pipe segments
		self.topPipeSegment.y = gapY - self.gapSize / 2;
		self.bottomPipeSegment.y = gapY + self.gapSize / 2;
	};
	self.update = function () {
		self.x += self.speed;
	};
	return self;
});
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	self.type = 'shield'; // 'shield', 'speedBoost'
	self.speed = -4;
	self.collected = false;
	self.rotationSpeed = 0.05;
	self.powerUpGraphics = self.attachAsset(self.type, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		if (self.collected) return;
		self.x += self.speed;
		self.powerUpGraphics.rotation += self.rotationSpeed;
		// Floating animation
		self.powerUpGraphics.y = Math.sin(LK.ticks * 0.08) * 10;
		// Pulsing effect
		var pulse = Math.sin(LK.ticks * 0.1) * 0.2 + 1;
		self.powerUpGraphics.scaleX = pulse;
		self.powerUpGraphics.scaleY = pulse;
	};
	self.collect = function () {
		self.collected = true;
		// Collection effect
		tween(self.powerUpGraphics, {
			scaleX: 2,
			scaleY: 2,
			alpha: 0
		}, {
			duration: 300,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				self.destroy();
			}
		});
	};
	return self;
});
var Sheep = Container.expand(function () {
	var self = Container.call(this);
	var sheepGraphics = self.attachAsset('sheep', {
		anchorX: 0.5,
		anchorY: 1
	});
	self.speed = -4;
	self.baseY = 0;
	self.update = function () {
		self.x += self.speed;
		// Sheep walking animation - lighter and bouncier than cows
		var walkCycle = LK.ticks * 0.18; // Slightly faster walking
		// Bouncy vertical movement
		self.y = self.baseY + Math.sin(walkCycle) * 1.5;
		// Gentle body sway
		sheepGraphics.x = Math.sin(walkCycle * 0.4) * 0.8;
		// Light stepping animation every 15 frames for quicker steps
		if (LK.ticks % 15 === 0) {
			var stepDirection = Math.floor(LK.ticks / 15) % 2 * 2 - 1;
			tween(sheepGraphics, {
				scaleY: 0.98,
				scaleX: 1.02,
				y: stepDirection * 0.5
			}, {
				duration: 75,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(sheepGraphics, {
						scaleY: 1,
						scaleX: 1,
						y: 0
					}, {
						duration: 75,
						easing: tween.easeIn
					});
				}
			});
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x4a90e2
});

/**** 
* Game Code
****/ 
// Sound and music assets
// Power-up assets
// Menu decoration assets
// Visual effect assets
// Farm and animal assets
// Game element assets
// Health system assets
// Sky gradient assets removed
// Cloud asset removed
// Game variables
var continueUsed = false;
var bird;
var pipes = [];
var ground;
var gameStarted = false;
var gameSpeed = 4;
var pipeSpawnTimer = 0;
var pipeSpawnInterval = 180; // frames between pipe spawns
var lastPipeScore = 0;
var coins = [];
var coinSpawnTimer = 0;
var coinSpawnInterval = 200; // frames between coin spawns - slightly after pipes
var farms = [];
var farmSpawnTimer = 0;
var farmSpawnInterval = 400; // frames between farm spawns
var animals = [];
var animalSpawnTimer = 0;
var animalSpawnInterval = 150; // frames between animal spawns
// Enhanced visual systems
var clouds = [];
var cloudSpawnTimer = 0;
var cloudSpawnInterval = 300;
var powerUps = [];
var powerUpSpawnTimer = 0;
var powerUpSpawnInterval = 600;
var particleSystem;
var stars = [];
// Power-up effects
var shieldActive = false;
var shieldTime = 0;
var speedBoostActive = false;
var speedBoostTime = 0;
// Health system variables
var maxHealth = 3;
var currentHealth = 3;
var healthBar;
var healthBarBg;
// Achievement system
var achievements = {
	firstFlight: false,
	coinCollector: false,
	survivor: false,
	speedDemon: false
};
var achievementMessages = [];
// UI elements
var scoreTxt = new Text2('0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var instructionTxt = new Text2('Tap to Flap!', {
	size: 60,
	fill: 0xFFFFFF
});
instructionTxt.anchor.set(0.5, 0.5);
LK.gui.center.addChild(instructionTxt);
// Days counter display
var daysTxt = new Text2('Days: 0', {
	size: 50,
	fill: 0xFFFFFF
});
daysTxt.anchor.set(0, 0);
daysTxt.x = 20;
daysTxt.y = 70;
LK.gui.topLeft.addChild(daysTxt);
// Start menu UI elements
var showStartMenu = true;
var menuBirds = [];
var menuCoins = [];
// Create animated background birds for menu
function createMenuBirds() {
	for (var i = 0; i < 3; i++) {
		var menuBird = LK.getAsset('bird', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		menuBird.x = -100 - i * 200;
		menuBird.y = 400 + i * 300;
		menuBird.alpha = 0.3;
		menuBird.scaleX = 0.6;
		menuBird.scaleY = 0.6;
		game.addChild(menuBird);
		menuBirds.push(menuBird);
		// Animate birds flying across screen
		tween(menuBird, {
			x: 2200,
			y: menuBird.y + Math.sin(i) * 100
		}, {
			duration: 8000 + i * 1000,
			easing: tween.linear
		});
		// Add gentle floating animation
		tween(menuBird, {
			y: menuBird.y + 30,
			rotation: 0.2
		}, {
			duration: 2000 + i * 500,
			easing: tween.easeInOut
		});
	}
}
// Create enhanced menu background
function createMenuBackground() {
	// Add animated background
	var menuBg = LK.getAsset('menuBg', {
		anchorX: 0,
		anchorY: 0
	});
	menuBg.x = 0;
	menuBg.y = 0;
	menuBg.alpha = 0.8;
	game.addChild(menuBg);
	menuCoins.push(menuBg);
	// Add animated sun
	var sun = LK.getAsset('sun', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	sun.x = 1800;
	sun.y = 300;
	sun.alpha = 0.7;
	game.addChild(sun);
	menuCoins.push(sun);
	// Animate sun rotation
	tween(sun, {
		rotation: Math.PI * 2
	}, {
		duration: 10000,
		easing: tween.linear
	});
	// Add clouds
	for (var i = 0; i < 4; i++) {
		var cloud = LK.getAsset('cloud', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		cloud.x = Math.random() * 2048;
		cloud.y = 200 + Math.random() * 400;
		cloud.alpha = 0.4;
		cloud.scaleX = 0.8 + Math.random() * 0.4;
		cloud.scaleY = 0.8 + Math.random() * 0.4;
		game.addChild(cloud);
		menuCoins.push(cloud);
		// Animate clouds drifting
		tween(cloud, {
			x: cloud.x + 200,
			y: cloud.y + Math.sin(i) * 50
		}, {
			duration: 15000 + i * 2000,
			easing: tween.linear
		});
	}
	// Add decorative trees
	for (var j = 0; j < 6; j++) {
		var tree = LK.getAsset('tree', {
			anchorX: 0.5,
			anchorY: 1
		});
		tree.x = j * 350 + 200;
		tree.y = 2732 - 100;
		tree.alpha = 0.3;
		game.addChild(tree);
		menuCoins.push(tree);
		var treeTop = LK.getAsset('treeTop', {
			anchorX: 0.5,
			anchorY: 1
		});
		treeTop.x = tree.x;
		treeTop.y = tree.y - 150;
		treeTop.alpha = 0.3;
		game.addChild(treeTop);
		menuCoins.push(treeTop);
		// Gentle swaying animation
		tween(tree, {
			rotation: 0.1
		}, {
			duration: 3000 + j * 500,
			easing: tween.easeInOut
		});
	}
}
// Create floating coins for menu ambience
function createMenuCoins() {
	for (var i = 0; i < 5; i++) {
		var menuCoin = LK.getAsset('coin', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		menuCoin.x = Math.random() * 2048;
		menuCoin.y = Math.random() * 2732;
		menuCoin.alpha = 0.2;
		menuCoin.scaleX = 0.4;
		menuCoin.scaleY = 0.4;
		game.addChild(menuCoin);
		menuCoins.push(menuCoin);
		// Add gentle floating and rotation
		tween(menuCoin, {
			y: menuCoin.y + 50,
			rotation: Math.PI * 2
		}, {
			duration: 3000 + i * 800,
			easing: tween.easeInOut
		});
	}
}
var titleTxt = new Text2('Mutili Bird', {
	size: 120,
	fill: 0xFFD700
});
titleTxt.anchor.set(0.5, 0.5);
LK.gui.center.addChild(titleTxt);
var startButtonTxt = new Text2('TAP TO START', {
	size: 80,
	fill: 0x00FF00
});
startButtonTxt.anchor.set(0.5, 0.5);
LK.gui.center.addChild(startButtonTxt);
// Initialize particle system
particleSystem = game.addChild(new ParticleSystem());
// Create enhanced menu with background
createMenuBackground();
createMenuBirds();
createMenuCoins();
spawnStars();
// Position menu elements
titleTxt.y = -200;
startButtonTxt.y = 100;
// Add rainbow title animation
function animateTitle() {
	var colors = [0xFFD700, 0xFF6B6B, 0x4ECDC4, 0x45B7D1, 0x96CEB4, 0xF7DC6F, 0xBB8FCE];
	var currentColorIndex = 0;
	function cycleColors() {
		tween(titleTxt, {
			tint: colors[currentColorIndex]
		}, {
			duration: 1000,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				currentColorIndex = (currentColorIndex + 1) % colors.length;
				if (showStartMenu) {
					cycleColors();
				}
			}
		});
	}
	cycleColors();
}
// Add bouncing title animation
tween(titleTxt, {
	y: titleTxt.y - 20,
	scaleX: 1.05,
	scaleY: 1.05
}, {
	duration: 1500,
	easing: tween.easeInOut,
	onFinish: function onFinish() {
		tween(titleTxt, {
			y: titleTxt.y + 20,
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 1500,
			easing: tween.easeInOut
		});
	}
});
// Add glowing effect to start button
function glowButton() {
	tween(startButtonTxt, {
		scaleX: 1.15,
		scaleY: 1.15,
		tint: 0x00FFFF
	}, {
		duration: 600,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			tween(startButtonTxt, {
				scaleX: 1,
				scaleY: 1,
				tint: 0x00FF00
			}, {
				duration: 600,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					if (showStartMenu) {
						glowButton();
					}
				}
			});
		}
	});
}
// Start animations
animateTitle();
glowButton();
// Set interval for continuous menu animations
var menuAnimationTimer = LK.setInterval(function () {
	if (showStartMenu) {
		// Recreate menu birds periodically
		if (LK.ticks % 600 === 0) {
			createMenuBirds();
		}
		// Add sparkle effect to coins
		for (var i = 0; i < menuCoins.length; i++) {
			if (Math.random() < 0.1 && menuCoins[i] && !menuCoins[i].destroyed) {
				tween(menuCoins[i], {
					alpha: 0.6,
					scaleX: 0.6,
					scaleY: 0.6
				}, {
					duration: 300,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						if (menuCoins[i] && !menuCoins[i].destroyed) {
							tween(menuCoins[i], {
								alpha: 0.2,
								scaleX: 0.4,
								scaleY: 0.4
							}, {
								duration: 300,
								easing: tween.easeIn
							});
						}
					}
				});
			}
		}
	}
}, 100);
// Create health bar
healthBarBg = LK.getAsset('healthBarBg', {
	anchorX: 0,
	anchorY: 0
});
healthBarBg.x = 150;
healthBarBg.y = 20;
LK.gui.topLeft.addChild(healthBarBg);
healthBar = LK.getAsset('healthBarFill', {
	anchorX: 0,
	anchorY: 0
});
healthBar.x = 150;
healthBar.y = 20;
LK.gui.topLeft.addChild(healthBar);
// Create bird
bird = game.addChild(new Bird());
bird.x = 400;
bird.y = 1366; // Center of screen height
// Initialize health system
currentHealth = maxHealth;
updateHealthBar();
// Hide game UI initially
scoreTxt.alpha = 0;
instructionTxt.alpha = 0;
healthBarBg.alpha = 0;
healthBar.alpha = 0;
daysTxt.alpha = 0;
// Create ground
ground = game.addChild(LK.getAsset('ground', {
	anchorX: 0,
	anchorY: 0
}));
ground.x = 0;
ground.y = 2732 - 100; // Bottom of screen
// Game state tracking
var lastBirdY = bird.y;
var lastGroundCollision = false;
var lastCeilingCollision = false;
function spawnPipe() {
	var pipe = new Pipe();
	pipe.x = 2048 + 60; // Start off-screen right
	// Random gap position (avoiding too high or too low)
	var minGapY = 300;
	var maxGapY = ground.y - 300;
	var gapY = minGapY + Math.random() * (maxGapY - minGapY);
	pipe.setGapPosition(gapY);
	pipe.speed = -gameSpeed;
	// Add entrance animation - pipes grow from small to normal size
	pipe.scaleX = 0.3;
	pipe.scaleY = 0.3;
	tween(pipe, {
		scaleX: 1,
		scaleY: 1
	}, {
		duration: 400,
		easing: tween.easeOut
	});
	pipes.push(pipe);
	game.addChild(pipe);
}
function spawnCoin() {
	// Only spawn coin if there's a recent pipe to place it with
	if (pipes.length > 0) {
		var latestPipe = pipes[pipes.length - 1];
		var coin = new Coin();
		// Place coin slightly ahead of the pipe gap
		coin.x = latestPipe.x + 150; // Position coin in the gap area
		// Place coin in the center of the pipe gap
		var gapCenterY = (latestPipe.topPipe.y + latestPipe.bottomPipe.y) / 2;
		coin.y = gapCenterY;
		coin.speed = -gameSpeed;
		// Add sparkle entrance effect - coin appears with bounce
		coin.scaleX = 0;
		coin.scaleY = 0;
		tween(coin, {
			scaleX: 1.2,
			scaleY: 1.2
		}, {
			duration: 200,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(coin, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 150,
					easing: tween.easeIn
				});
			}
		});
		coins.push(coin);
		game.addChild(coin);
	}
}
function spawnPowerUp() {
	if (Math.random() < 0.3) {
		// 30% chance
		var powerUp = new PowerUp();
		var types = ['shield', 'speedBoost'];
		powerUp.type = types[Math.floor(Math.random() * types.length)];
		powerUp.x = 2048 + 100;
		powerUp.y = 300 + Math.random() * (ground.y - 600);
		powerUp.speed = -gameSpeed;
		powerUps.push(powerUp);
		game.addChild(powerUp);
	}
}
function spawnCloud() {
	var cloud = new Cloud();
	cloud.x = 2048 + 100;
	cloud.y = 100 + Math.random() * 400;
	cloud.speed = -1 - Math.random() * 2;
	clouds.push(cloud);
	game.addChild(cloud);
}
function spawnStars() {
	for (var i = 0; i < 5; i++) {
		var star = LK.getAsset('star', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		star.x = Math.random() * 2048;
		star.y = Math.random() * 300;
		star.alpha = 0.6;
		star.scaleX = 0.3 + Math.random() * 0.4;
		star.scaleY = star.scaleX;
		game.addChild(star);
		stars.push(star);
		// Twinkling effect
		tween(star, {
			alpha: 0.2
		}, {
			duration: 1000 + Math.random() * 2000,
			easing: tween.easeInOut
		});
	}
}
function checkPowerUpCollisions() {
	for (var i = powerUps.length - 1; i >= 0; i--) {
		var powerUp = powerUps[i];
		if (bird.intersects(powerUp) && !powerUp.collected) {
			powerUp.collect();
			LK.getSound('powerup').play();
			// Create particle effect
			if (particleSystem) {
				particleSystem.explode(powerUp.x, powerUp.y, 0x00BFFF, 8);
			}
			// Apply power-up effect
			if (powerUp.type === 'shield') {
				shieldActive = true;
				shieldTime = 300; // 5 seconds at 60fps
				// Visual shield effect
				tween(bird, {
					tint: 0x00BFFF
				}, {
					duration: 5000,
					easing: tween.linear
				});
			} else if (powerUp.type === 'speedBoost') {
				speedBoostActive = true;
				speedBoostTime = 180; // 3 seconds at 60fps
				gameSpeed *= 1.5;
			}
			powerUps.splice(i, 1);
		}
	}
}
function updatePowerUps() {
	// Update shield
	if (shieldActive) {
		shieldTime--;
		if (shieldTime <= 0) {
			shieldActive = false;
			tween(bird, {
				tint: 0xFFFFFF
			}, {
				duration: 300,
				easing: tween.easeOut
			});
		}
	}
	// Update speed boost
	if (speedBoostActive) {
		speedBoostTime--;
		if (speedBoostTime <= 0) {
			speedBoostActive = false;
			gameSpeed = Math.max(4, gameSpeed / 1.5);
		}
	}
}
// Cloud spawning function removed
function spawnFarm() {
	var farm = new Farm();
	farm.x = 2048;
	farm.y = ground.y - 200; // Position above ground
	farm.speed = -gameSpeed;
	farms.push(farm);
	game.addChild(farm);
}
function spawnAnimal() {
	if (farms.length > 0) {
		var randomFarm = farms[Math.floor(Math.random() * farms.length)];
		var animalTypes = [Cow, Sheep, Pig, Chicken];
		var AnimalClass = animalTypes[Math.floor(Math.random() * animalTypes.length)];
		var animal = new AnimalClass();
		animal.x = randomFarm.x + Math.random() * 1500; // Random position on farm
		animal.baseY = randomFarm.y;
		animal.y = animal.baseY;
		animal.speed = -gameSpeed;
		animals.push(animal);
		game.addChild(animal);
	}
}
function updateHealthBar() {
	var healthPercent = currentHealth / maxHealth;
	healthBar.width = 300 * healthPercent;
	// Change color based on health
	if (healthPercent > 0.6) {
		healthBar.tint = 0x00ff00; // Green
	} else if (healthPercent > 0.3) {
		healthBar.tint = 0xffff00; // Yellow
	} else {
		healthBar.tint = 0xff0000; // Red
	}
	// Flash effect when damaged
	tween(healthBar, {
		alpha: 0.5
	}, {
		duration: 100,
		onFinish: function onFinish() {
			tween(healthBar, {
				alpha: 1
			}, {
				duration: 100
			});
		}
	});
}
function takeDamage() {
	// Check if shield is active
	if (shieldActive) {
		// Create shield deflection effect
		if (particleSystem) {
			particleSystem.explode(bird.x, bird.y, 0x00BFFF, 12);
		}
		LK.getSound('collect').play();
		return false; // No damage taken
	}
	currentHealth--;
	updateHealthBar();
	if (currentHealth <= 0) {
		LK.getSound('hit').play();
		// Add dramatic screen shake before game over
		var originalX = game.x;
		var originalY = game.y;
		tween(game, {
			x: originalX + 20,
			y: originalY + 10
		}, {
			duration: 50,
			onFinish: function onFinish() {
				tween(game, {
					x: originalX - 15,
					y: originalY - 8
				}, {
					duration: 50,
					onFinish: function onFinish() {
						tween(game, {
							x: originalX,
							y: originalY
						}, {
							duration: 100,
							onFinish: function onFinish() {
								showCustomGameOver();
							}
						});
					}
				});
			}
		});
		return true; // Game over
	}
	LK.getSound('hit').play();
	// Create damage particles
	if (particleSystem) {
		particleSystem.explode(bird.x, bird.y, 0xFF0000, 6);
	}
	// Add screen shake effect for damage feedback
	var originalX = game.x;
	var originalY = game.y;
	tween(game, {
		x: originalX + 10,
		y: originalY + 5
	}, {
		duration: 60,
		onFinish: function onFinish() {
			tween(game, {
				x: originalX - 8,
				y: originalY - 4
			}, {
				duration: 60,
				onFinish: function onFinish() {
					tween(game, {
						x: originalX,
						y: originalY
					}, {
						duration: 80
					});
				}
			});
		}
	});
	// Flash bird red when damaged
	tween(bird, {
		tint: 0xff0000
	}, {
		duration: 200,
		onFinish: function onFinish() {
			tween(bird, {
				tint: 0xffffff
			}, {
				duration: 200
			});
		}
	});
	return false; // Continue game
}
function checkCollisions() {
	// Check ground collision
	var currentGroundCollision = bird.y + 22 >= ground.y; // bird half-height
	if (!lastGroundCollision && currentGroundCollision) {
		LK.getSound('hit').play();
		showCustomGameOver();
		return;
	}
	lastGroundCollision = currentGroundCollision;
	// Check heaven win condition - when bird reaches very top
	var heavenThreshold = -50; // Above the screen
	if (bird.y <= heavenThreshold) {
		// Flash screen with heavenly light effect
		tween(game, {
			tint: 0xffffff
		}, {
			duration: 500,
			onFinish: function onFinish() {
				tween(game, {
					tint: 0xffffff
				}, {
					duration: 500,
					onFinish: function onFinish() {
						LK.showYouWin(); // Show win screen
					}
				});
			}
		});
		return;
	}
	// Check ceiling collision (but not heaven)
	var currentCeilingCollision = bird.y - 22 <= 0 && bird.y > heavenThreshold;
	if (!lastCeilingCollision && currentCeilingCollision) {
		LK.getSound('hit').play();
		showCustomGameOver();
		return;
	}
	lastCeilingCollision = currentCeilingCollision;
	// Check pipe collisions and scoring
	for (var i = pipes.length - 1; i >= 0; i--) {
		var pipe = pipes[i];
		// Check if bird passed through pipe (scoring)
		if (!pipe.passed && bird.x > pipe.x + 60) {
			pipe.passed = true;
			// Check if this is a milestone (every 10 pipes)
			var pipesPassed = 0;
			for (var p = 0; p < pipes.length; p++) {
				if (pipes[p].passed) {
					pipesPassed++;
				}
			}
			// Add bonus points for every 10 pipes passed
			if (pipesPassed > 0 && pipesPassed % 10 === 0) {
				LK.setScore(LK.getScore() + 10);
				scoreTxt.setText(LK.getScore());
				// Special visual effect for bonus score
				tween(scoreTxt, {
					scaleX: 1.5,
					scaleY: 1.5,
					tint: 0xFFD700
				}, {
					duration: 200,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						tween(scoreTxt, {
							scaleX: 1,
							scaleY: 1,
							tint: 0xFFFFFF
						}, {
							duration: 300,
							easing: tween.easeIn
						});
					}
				});
			}
			LK.getSound('score').play();
			// Increase difficulty every 5 pipes
			if (LK.getScore() % 5 === 0) {
				gameSpeed += 0.5;
			}
		}
		// Check collision with pipes
		var birdLeft = bird.x - 30;
		var birdRight = bird.x + 30;
		var birdTop = bird.y - 22;
		var birdBottom = bird.y + 22;
		var pipeLeft = pipe.x - 60;
		var pipeRight = pipe.x + 60;
		if (birdRight > pipeLeft && birdLeft < pipeRight) {
			// Bird is horizontally aligned with pipe
			var topPipeBottom = pipe.topPipe.y;
			var bottomPipeTop = pipe.bottomPipe.y;
			if (birdTop < topPipeBottom || birdBottom > bottomPipeTop) {
				// Check if this pipe already caused damage
				if (!pipe.damageCaused) {
					pipe.damageCaused = true;
					if (takeDamage()) {
						return; // Game over
					}
				}
			}
		}
	}
	// Check coin collection
	for (var j = coins.length - 1; j >= 0; j--) {
		var coin = coins[j];
		if (!coin.collected && bird.intersects(coin)) {
			coin.collected = true;
			LK.setScore(LK.getScore() + 1); // Coins worth 1 point
			scoreTxt.setText(LK.getScore());
			LK.getSound('score').play();
			// Add score text animation for feedback
			tween(scoreTxt, {
				scaleX: 1.3,
				scaleY: 1.3
			}, {
				duration: 150,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(scoreTxt, {
						scaleX: 1,
						scaleY: 1
					}, {
						duration: 150,
						easing: tween.easeIn
					});
				}
			});
			// Visual effect - make coin disappear with scaling
			tween(coin, {
				scaleX: 0,
				scaleY: 0,
				alpha: 0
			}, {
				duration: 200,
				onFinish: function onFinish() {
					coin.destroy();
				}
			});
			coins.splice(j, 1);
		}
	}
}
// Custom game over UI variables
var gameOverScreen = null;
var restartButton = null;
var continueButton = null;
var gameOverTitleTxt = null;
var showingGameOver = false;
function showCustomGameOver() {
	if (showingGameOver) return;
	showingGameOver = true;
	gameStarted = false;
	// Create game over overlay
	gameOverScreen = new Container();
	// Semi-transparent background
	var overlay = LK.getAsset('healthBarBg', {
		anchorX: 0,
		anchorY: 0
	});
	overlay.width = 2048;
	overlay.height = 2732;
	overlay.alpha = 0.8;
	overlay.tint = 0x000000;
	gameOverScreen.addChild(overlay);
	// Game Over title
	gameOverTitleTxt = new Text2('GAME OVER', {
		size: 100,
		fill: 0xFF0000
	});
	gameOverTitleTxt.anchor.set(0.5, 0.5);
	gameOverTitleTxt.x = 1024;
	gameOverTitleTxt.y = 800;
	gameOverScreen.addChild(gameOverTitleTxt);
	// Restart button
	restartButton = new Text2('RESTART', {
		size: 80,
		fill: 0x00FF00
	});
	restartButton.anchor.set(0.5, 0.5);
	restartButton.x = 1024;
	restartButton.y = 1200;
	gameOverScreen.addChild(restartButton);
	// Continue button (only show if not used yet)
	if (!continueUsed) {
		continueButton = new Text2('CONTINUE (2 LIVES)', {
			size: 60,
			fill: 0xFFD700
		});
		continueButton.anchor.set(0.5, 0.5);
		continueButton.x = 1024;
		continueButton.y = 1400;
		gameOverScreen.addChild(continueButton);
	}
	game.addChild(gameOverScreen);
	// Add pulsing animation to buttons
	tween(restartButton, {
		scaleX: 1.1,
		scaleY: 1.1
	}, {
		duration: 600,
		easing: tween.easeInOut
	});
	if (continueButton) {
		tween(continueButton, {
			scaleX: 1.05,
			scaleY: 1.05
		}, {
			duration: 800,
			easing: tween.easeInOut
		});
	}
}
function restartGame() {
	// Reset game state
	gameStarted = false;
	showingGameOver = false;
	continueUsed = false;
	currentHealth = maxHealth;
	gameSpeed = 4;
	LK.setScore(0);
	scoreTxt.setText('0');
	updateHealthBar();
	// Clear all game objects
	for (var i = pipes.length - 1; i >= 0; i--) {
		pipes[i].destroy();
	}
	pipes = [];
	for (var j = coins.length - 1; j >= 0; j--) {
		coins[j].destroy();
	}
	coins = [];
	for (var k = animals.length - 1; k >= 0; k--) {
		animals[k].destroy();
	}
	animals = [];
	for (var l = farms.length - 1; l >= 0; l--) {
		farms[l].destroy();
	}
	farms = [];
	// Reset bird position
	bird.x = 400;
	bird.y = 1366;
	bird.velocity = 0;
	// Reset timers
	pipeSpawnTimer = 0;
	coinSpawnTimer = 0;
	farmSpawnTimer = 0;
	animalSpawnTimer = 0;
	// Remove game over screen
	if (gameOverScreen) {
		gameOverScreen.destroy();
		gameOverScreen = null;
	}
	// Show start menu again
	showStartMenu = true;
	titleTxt.alpha = 1;
	titleTxt.y = -200;
	titleTxt.tint = 0xFFD700;
	startButtonTxt.alpha = 1;
	startButtonTxt.y = 100;
	startButtonTxt.tint = 0x00FF00;
	// Reset menu decorations
	menuBirds = [];
	menuCoins = [];
	createMenuBirds();
	createMenuCoins();
	animateTitle();
	glowButton();
	// Hide game UI
	scoreTxt.alpha = 0;
	instructionTxt.alpha = 0;
	healthBarBg.alpha = 0;
	healthBar.alpha = 0;
	daysTxt.alpha = 0;
}
function continueGame() {
	if (continueUsed) return;
	continueUsed = true;
	showingGameOver = false;
	gameStarted = true;
	// Give 2 lives (set health to 2)
	currentHealth = 2;
	updateHealthBar();
	// Reset bird position to safe spot
	bird.x = 400;
	bird.y = 1366;
	bird.velocity = 0;
	// Remove game over screen
	if (gameOverScreen) {
		gameOverScreen.destroy();
		gameOverScreen = null;
	}
	// Continue with current score and game state
}
// Touch controls
game.down = function (x, y, obj) {
	// Handle game over screen touches
	if (showingGameOver) {
		// Use the x, y coordinates directly from the touch event
		// Check restart button
		if (restartButton && x >= restartButton.x - 150 && x <= restartButton.x + 150 && y >= restartButton.y - 50 && y <= restartButton.y + 50) {
			restartGame();
			return;
		}
		// Check continue button (if available)
		if (continueButton && !continueUsed && x >= continueButton.x - 200 && x <= continueButton.x + 200 && y >= continueButton.y - 40 && y <= continueButton.y + 40) {
			continueGame();
			return;
		}
		return;
	}
	if (showStartMenu) {
		// Start the game from menu
		showStartMenu = false;
		gameStarted = true;
		// Update days counter
		var currentDate = new Date().toDateString();
		var lastPlayDate = storage.lastPlayDate || '';
		var daysPlayed = storage.daysPlayed || 0;
		if (lastPlayDate !== currentDate) {
			daysPlayed++;
			storage.daysPlayed = daysPlayed;
			storage.lastPlayDate = currentDate;
		}
		daysTxt.setText('Days: ' + daysPlayed);
		// Smooth fade out menu elements
		tween(titleTxt, {
			alpha: 0,
			y: titleTxt.y - 100
		}, {
			duration: 500,
			easing: tween.easeIn
		});
		tween(startButtonTxt, {
			alpha: 0,
			scaleX: 0.8,
			scaleY: 0.8
		}, {
			duration: 300,
			easing: tween.easeIn
		});
		// Clean up menu decorations
		for (var i = 0; i < menuBirds.length; i++) {
			tween(menuBirds[i], {
				alpha: 0,
				y: menuBirds[i].y - 50
			}, {
				duration: 500,
				easing: tween.easeIn,
				onFinish: function onFinish() {
					if (menuBirds[i]) {
						menuBirds[i].destroy();
					}
				}
			});
		}
		for (var j = 0; j < menuCoins.length; j++) {
			tween(menuCoins[j], {
				alpha: 0,
				scaleX: 0,
				scaleY: 0
			}, {
				duration: 400,
				easing: tween.easeIn,
				onFinish: function onFinish() {
					if (menuCoins[j]) {
						menuCoins[j].destroy();
					}
				}
			});
		}
		// Clear timers
		LK.clearInterval(menuAnimationTimer);
		// Smooth fade in game UI
		tween(scoreTxt, {
			alpha: 1
		}, {
			duration: 800,
			easing: tween.easeOut
		});
		tween(instructionTxt, {
			alpha: 1
		}, {
			duration: 1000,
			easing: tween.easeOut
		});
		tween(healthBarBg, {
			alpha: 1
		}, {
			duration: 600,
			easing: tween.easeOut
		});
		tween(healthBar, {
			alpha: 1
		}, {
			duration: 600,
			easing: tween.easeOut
		});
		tween(daysTxt, {
			alpha: 1
		}, {
			duration: 600,
			easing: tween.easeOut
		});
		// Start background music
		try {
			LK.playMusic('bgmusic', {
				loop: true,
				volume: 0.5
			});
		} catch (e) {
			console.log('Music playback failed:', e);
		}
		// Hide instruction after a delay with smooth fade
		tween(instructionTxt, {
			alpha: 0
		}, {
			duration: 2000,
			easing: tween.easeInOut
		});
		bird.flap();
	} else if (!gameStarted) {
		gameStarted = true;
		tween(instructionTxt, {
			alpha: 0
		}, {
			duration: 500,
			easing: tween.easeOut
		});
		bird.flap();
	} else {
		bird.flap();
	}
};
// Main game loop
game.update = function () {
	if (!gameStarted) {
		return;
	}
	// Update bird
	lastBirdY = bird.y;
	// Update power-up effects
	updatePowerUps();
	// Spawn pipes
	pipeSpawnTimer++;
	if (pipeSpawnTimer >= pipeSpawnInterval) {
		spawnPipe();
		pipeSpawnTimer = 0;
	}
	// Spawn coins
	coinSpawnTimer++;
	if (coinSpawnTimer >= coinSpawnInterval) {
		spawnCoin();
		coinSpawnTimer = 0;
	}
	// Spawn power-ups
	powerUpSpawnTimer++;
	if (powerUpSpawnTimer >= powerUpSpawnInterval) {
		spawnPowerUp();
		powerUpSpawnTimer = 0;
	}
	// Spawn clouds
	cloudSpawnTimer++;
	if (cloudSpawnTimer >= cloudSpawnInterval) {
		spawnCloud();
		cloudSpawnTimer = 0;
	}
	// Spawn farms
	farmSpawnTimer++;
	if (farmSpawnTimer >= farmSpawnInterval) {
		spawnFarm();
		farmSpawnTimer = 0;
	}
	// Spawn animals on existing farms
	animalSpawnTimer++;
	if (animalSpawnTimer >= animalSpawnInterval) {
		spawnAnimal();
		animalSpawnTimer = 0;
	}
	// Update pipes and remove off-screen ones
	for (var i = pipes.length - 1; i >= 0; i--) {
		var pipe = pipes[i];
		pipe.speed = -gameSpeed;
		if (pipe.x < -120) {
			pipe.destroy();
			pipes.splice(i, 1);
		}
	}
	// Update coins and remove off-screen ones
	for (var j = coins.length - 1; j >= 0; j--) {
		var coin = coins[j];
		coin.speed = -gameSpeed;
		if (coin.x < -40) {
			coin.destroy();
			coins.splice(j, 1);
		}
	}
	// Update power-ups and remove off-screen ones
	for (var p = powerUps.length - 1; p >= 0; p--) {
		var powerUp = powerUps[p];
		powerUp.speed = -gameSpeed;
		if (powerUp.x < -100) {
			powerUp.destroy();
			powerUps.splice(p, 1);
		}
	}
	// Update clouds and remove off-screen ones
	for (var c = clouds.length - 1; c >= 0; c--) {
		var cloud = clouds[c];
		if (cloud.x < -200) {
			cloud.destroy();
			clouds.splice(c, 1);
		}
	}
	// Update farms and remove off-screen ones
	for (var l = farms.length - 1; l >= 0; l--) {
		var farm = farms[l];
		farm.speed = -gameSpeed;
		if (farm.x < -2048) {
			farm.destroy();
			farms.splice(l, 1);
		}
	}
	// Update animals and remove off-screen ones
	for (var m = animals.length - 1; m >= 0; m--) {
		var animal = animals[m];
		animal.speed = -gameSpeed;
		if (animal.x < -100) {
			animal.destroy();
			animals.splice(m, 1);
		}
	}
	// Check power-up collisions
	checkPowerUpCollisions();
	// Check all collisions
	checkCollisions();
};