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

/**** 
* Classes
****/ 
var AirParticle = Container.expand(function () {
	var self = Container.call(this);
	var particleGraphic = self.attachAsset('airParticle', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.7
	});
	self.vx = 0;
	self.vy = 0;
	self.lifespan = 100;
	self.lastX = 0;
	self.lastY = 0;
	self.init = function (x, y, vx, vy, lifespan) {
		self.x = x;
		self.y = y;
		self.lastX = x;
		self.lastY = y;
		self.vx = vx;
		self.vy = vy;
		self.lifespan = lifespan || 100;
		self.alpha = 1;
		self.scale.set(Math.random() * 0.5 + 0.5);
	};
	self.update = function () {
		self.lastX = self.x;
		self.lastY = self.y;
		self.x += self.vx;
		self.y += self.vy;
		self.lifespan--;
		self.alpha = self.lifespan / 100;
		if (self.lifespan <= 0) {
			return false; // Signal to remove the particle
		}
		return true;
	};
	return self;
});
var AirShrine = Container.expand(function () {
	var self = Container.call(this);
	var shrineGraphic = self.attachAsset('airShrine', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var targetArea = self.attachAsset('targetArea', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.3
	});
	self.health = 100;
	self.lastHealth = 100;
	self.pulseDirection = 1;
	self.pulseValue = 0;
	self.update = function () {
		self.lastHealth = self.health;
		// Visual pulse effect
		self.pulseValue += 0.02 * self.pulseDirection;
		if (self.pulseValue >= 1) {
			self.pulseValue = 1;
			self.pulseDirection = -1;
		} else if (self.pulseValue <= 0) {
			self.pulseValue = 0;
			self.pulseDirection = 1;
		}
		targetArea.alpha = 0.15 + self.pulseValue * 0.15;
		shrineGraphic.alpha = 0.8 + self.pulseValue * 0.2;
	};
	self.damage = function (amount) {
		self.health -= amount;
		if (self.health < 0) self.health = 0;
		// Visual feedback
		LK.effects.flashObject(shrineGraphic, 0xff0000, 300);
	};
	self.heal = function (amount) {
		self.health += amount;
		if (self.health > 100) self.health = 100;
		// Visual feedback
		LK.effects.flashObject(shrineGraphic, 0x00ff00, 300);
	};
	return self;
});
var Cloud = Container.expand(function () {
	var self = Container.call(this);
	var cloudGraphic = self.attachAsset('cloud', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.85
	});
	self.vx = 0;
	self.vy = 0;
	self.friction = 0.99;
	self.mass = 5 + Math.random() * 3;
	self.type = "normal"; // normal or threat
	self.lastX = 0;
	self.lastY = 0;
	self.lastIntersecting = false;
	self.init = function (x, y, type) {
		self.x = x;
		self.y = y;
		self.lastX = x;
		self.lastY = y;
		self.type = type || "normal";
		if (self.type === "threat") {
			cloudGraphic.tint = 0x555555;
		}
	};
	self.update = function () {
		self.lastX = self.x;
		self.lastY = self.y;
		self.lastIntersecting = false;
		self.x += self.vx;
		self.y += self.vy;
		// Apply friction
		self.vx *= self.friction;
		self.vy *= self.friction;
		// Boundary checks with bounce
		if (self.x < 100) {
			self.x = 100;
			self.vx = Math.abs(self.vx) * 0.3;
		} else if (self.x > 1948) {
			self.x = 1948;
			self.vx = -Math.abs(self.vx) * 0.3;
		}
		if (self.y < 100) {
			self.y = 100;
			self.vy = Math.abs(self.vy) * 0.3;
		} else if (self.y > 2632) {
			self.y = 2632;
			self.vy = -Math.abs(self.vy) * 0.3;
		}
	};
	// Apply wind force from swipe
	self.applyWind = function (dirX, dirY, strength) {
		self.vx += dirX * strength / self.mass;
		self.vy += dirY * strength / self.mass;
	};
	return self;
});
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphic = self.attachAsset('airParticle', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2,
		scaleY: 2,
		tint: 0xff3030
	});
	self.speed = 1 + Math.random();
	self.health = 3;
	self.lastX = 0;
	self.lastY = 0;
	self.lastIntersecting = false;
	self.init = function (x, y, health, speed) {
		self.x = x;
		self.y = y;
		self.lastX = x;
		self.lastY = y;
		self.alpha = 1;
		if (health) self.health = health;
		if (speed) self.speed = speed;
	};
	self.update = function () {
		self.lastX = self.x;
		self.lastY = self.y;
		// Move towards shrine
		if (airShrine) {
			var dx = airShrine.x - self.x;
			var dy = airShrine.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > 0) {
				self.x += dx / distance * self.speed;
				self.y += dy / distance * self.speed;
			}
		}
		// Pulse effect
		self.scale.x = 1.8 + Math.sin(LK.ticks * 0.1) * 0.2;
		self.scale.y = 1.8 + Math.sin(LK.ticks * 0.1) * 0.2;
		return true;
	};
	self.damage = function () {
		self.health--;
		LK.effects.flashObject(self, 0xffffff, 200);
		return self.health <= 0;
	};
	return self;
});
var Leaf = Container.expand(function () {
	var self = Container.call(this);
	var leafGraphic = self.attachAsset('leaf', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.vx = 0;
	self.vy = 0;
	self.rotation = Math.random() * Math.PI * 2;
	self.rotationSpeed = (Math.random() - 0.5) * 0.1;
	self.friction = 0.97;
	self.mass = 1 + Math.random();
	self.lastX = 0;
	self.lastY = 0;
	self.lastIntersecting = false;
	self.update = function () {
		self.lastX = self.x;
		self.lastY = self.y;
		self.x += self.vx;
		self.y += self.vy;
		// Apply friction
		self.vx *= self.friction;
		self.vy *= self.friction;
		// Rotate the leaf
		self.rotation += self.rotationSpeed;
		// Boundary checks
		if (self.x < 0) {
			self.x = 0;
			self.vx = Math.abs(self.vx) * 0.5;
		} else if (self.x > 2048) {
			self.x = 2048;
			self.vx = -Math.abs(self.vx) * 0.5;
		}
		if (self.y < 0) {
			self.y = 0;
			self.vy = Math.abs(self.vy) * 0.5;
		} else if (self.y > 2732) {
			self.y = 2732;
			self.vy = -Math.abs(self.vy) * 0.5;
		}
	};
	// Apply wind force from swipe
	self.applyWind = function (dirX, dirY, strength) {
		self.vx += dirX * strength / self.mass;
		self.vy += dirY * strength / self.mass;
	};
	return self;
});
var Level = Container.expand(function () {
	var self = Container.call(this);
	self.currentLevel = 1;
	self.enemyCount = 5;
	self.threatChance = 0.2;
	self.cloudInterval = 300;
	self.leafInterval = 180;
	self.enemyInterval = 500;
	self.enemyHealth = 3;
	self.enemySpeed = 1;
	self.startLevel = function (level) {
		self.currentLevel = level;
		self.enemyCount = 5 * level;
		self.threatChance = Math.min(0.5, 0.2 + level * 0.05);
		self.cloudInterval = Math.max(100, 300 - level * 20);
		self.leafInterval = Math.max(100, 180 - level * 5);
		self.enemyInterval = Math.max(200, 500 - level * 30);
		self.enemyHealth = 3 + Math.floor(level / 2);
		self.enemySpeed = 1 + level * 0.2;
		// Create level notification
		self.showLevelNotification();
		return self;
	};
	self.showLevelNotification = function () {
		var levelNotification = new Text2('Level ' + self.currentLevel, {
			size: 150,
			fill: 0xFFFFFF
		});
		levelNotification.anchor.set(0.5, 0.5);
		levelNotification.x = GAME_WIDTH / 2;
		levelNotification.y = GAME_HEIGHT / 2;
		levelNotification.alpha = 0;
		game.addChild(levelNotification);
		// Animate level notification
		tween.to(levelNotification, {
			alpha: 1,
			y: GAME_HEIGHT / 2 - 100
		}, {
			duration: 500
		}).then(function () {
			return tween.to(levelNotification, {
				alpha: 0,
				y: GAME_HEIGHT / 2 - 200
			}, {
				duration: 500,
				delay: 1000
			});
		}).then(function () {
			levelNotification.destroy();
		});
	};
	return self;
});
var PlayerHand = Container.expand(function () {
	var self = Container.call(this);
	var handGraphic = self.attachAsset('playerHand', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.7
	});
	self.active = false;
	self.trailPoints = [];
	self.maxTrailPoints = 10;
	self.lastX = 0;
	self.lastY = 0;
	self.vx = 0;
	self.vy = 0;
	self.init = function (x, y) {
		self.x = x;
		self.y = y;
		self.lastX = x;
		self.lastY = y;
		self.active = true;
		self.trailPoints = [];
		self.scale.set(1);
		self.alpha = 0;
		// Fade in animation
		tween(self, {
			alpha: 1
		}, {
			duration: 200
		});
	};
	self.update = function () {
		if (!self.active) return;
		// Calculate velocity from position change
		self.vx = self.x - self.lastX;
		self.vy = self.y - self.lastY;
		// Store trail points for gesture recognition
		if (self.trailPoints.length >= self.maxTrailPoints) {
			self.trailPoints.shift();
		}
		self.trailPoints.push({
			x: self.x,
			y: self.y
		});
		// Store last position
		self.lastX = self.x;
		self.lastY = self.y;
	};
	self.deactivate = function () {
		self.active = false;
		// Fade out animation
		tween(self, {
			alpha: 0,
			scale: 0.5
		}, {
			duration: 200
		});
	};
	// Check if the hand movement forms a circular motion
	self.isCircularMotion = function () {
		if (self.trailPoints.length < 8) return false;
		// Calculate center of points
		var centerX = 0,
			centerY = 0;
		for (var i = 0; i < self.trailPoints.length; i++) {
			centerX += self.trailPoints[i].x;
			centerY += self.trailPoints[i].y;
		}
		centerX /= self.trailPoints.length;
		centerY /= self.trailPoints.length;
		// Calculate average radius and deviation
		var radius = 0;
		for (var i = 0; i < self.trailPoints.length; i++) {
			var dx = self.trailPoints[i].x - centerX;
			var dy = self.trailPoints[i].y - centerY;
			radius += Math.sqrt(dx * dx + dy * dy);
		}
		radius /= self.trailPoints.length;
		// Check if points form a circle
		var radiusDeviation = 0;
		for (var i = 0; i < self.trailPoints.length; i++) {
			var dx = self.trailPoints[i].x - centerX;
			var dy = self.trailPoints[i].y - centerY;
			var distance = Math.sqrt(dx * dx + dy * dy);
			radiusDeviation += Math.abs(distance - radius);
		}
		radiusDeviation /= self.trailPoints.length;
		// Check if deviation is low enough to consider it a circle
		return radiusDeviation < radius * 0.3 && radius > 50;
	};
	// Get the center of the circular motion
	self.getCircleCenter = function () {
		var centerX = 0,
			centerY = 0;
		for (var i = 0; i < self.trailPoints.length; i++) {
			centerX += self.trailPoints[i].x;
			centerY += self.trailPoints[i].y;
		}
		return {
			x: centerX / self.trailPoints.length,
			y: centerY / self.trailPoints.length
		};
	};
	return self;
});
// Game size constants
var Tornado = Container.expand(function () {
	var self = Container.call(this);
	var tornadoGraphic = self.attachAsset('tornadoBase', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.6
	});
	self.strength = 0;
	self.maxStrength = 10;
	self.radius = 150;
	self.lifespan = 120;
	self.active = false;
	self.init = function (x, y) {
		self.x = x;
		self.y = y;
		self.strength = 1;
		self.lifespan = 120;
		self.active = true;
		self.scale.set(0.5);
		// Play tornado sound
		LK.getSound('tornado').play();
	};
	self.update = function () {
		if (!self.active) return false;
		self.lifespan--;
		if (self.strength < self.maxStrength) {
			self.strength += 0.2;
		}
		// Visual effects
		self.scale.set(0.5 + self.strength / self.maxStrength * 0.5);
		self.rotation += 0.05;
		if (self.lifespan <= 30) {
			self.alpha = self.lifespan / 30;
		}
		if (self.lifespan <= 0) {
			self.active = false;
			return false;
		}
		return true;
	};
	// Apply tornado force to an object
	self.applyForce = function (object) {
		var dx = self.x - object.x;
		var dy = self.y - object.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < self.radius * self.scale.x) {
			// Calculate force direction (toward tornado center)
			var forceX = dx / distance;
			var forceY = dy / distance;
			// Apply force inversely proportional to distance
			var forceMagnitude = self.strength * (1 - distance / (self.radius * self.scale.x));
			object.vx += forceX * forceMagnitude;
			object.vy += forceY * forceMagnitude;
			// Add some rotation effect
			object.rotationSpeed = (object.rotationSpeed || 0) + 0.05;
			return true;
		}
		return false;
	};
	return self;
});
var WindEffect = Container.expand(function () {
	var self = Container.call(this);
	var windGraphic = self.attachAsset('whirlwind', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.3
	});
	self.directionX = 0;
	self.directionY = 0;
	self.strength = 0;
	self.lifespan = 30;
	self.active = false;
	self.init = function (x, y, dirX, dirY, strength) {
		self.x = x;
		self.y = y;
		self.directionX = dirX;
		self.directionY = dirY;
		self.strength = strength || 1;
		self.lifespan = 30;
		self.active = true;
		self.alpha = 0.7;
		// Set rotation based on wind direction
		self.rotation = Math.atan2(dirY, dirX);
		// Set scale based on strength
		self.scale.set(0.5 + self.strength * 0.2);
		// Elongate in direction of movement
		windGraphic.scale.x = 1 + self.strength * 0.3;
		windGraphic.scale.y = 0.5;
	};
	self.update = function () {
		if (!self.active) return false;
		self.lifespan--;
		// Move in direction
		self.x += self.directionX * self.strength * 2;
		self.y += self.directionY * self.strength * 2;
		// Fade out gradually
		if (self.lifespan < 15) {
			self.alpha = self.lifespan / 15 * 0.7;
		}
		if (self.lifespan <= 0) {
			self.active = false;
			return false;
		}
		return true;
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// Game size constants
var GAME_WIDTH = 2048;
var GAME_HEIGHT = 2732;
// Change background color to a light sky blue
game.setBackgroundColor(0xc2e6ff);
// Game variables
var airParticles = [];
var leaves = [];
var clouds = [];
var tornados = [];
var playerHands = [];
var enemies = [];
var windEffects = [];
var airShrine;
var levelManager;
var score = 0;
var nextCloudTime = 0;
var cloudInterval = 300;
var nextLeafTime = 0;
var leafInterval = 180;
var nextEnemyTime = 0;
var enemyInterval = 500;
var threatChance = 0.2;
var remainingEnemies = 0;
// UI elements
var scoreText = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0, 0);
LK.gui.topLeft.addChild(scoreText);
scoreText.x = 120;
scoreText.y = 50;
var levelText = new Text2('Level: 1', {
	size: 80,
	fill: 0xFFFFFF
});
levelText.anchor.set(1, 0);
LK.gui.topRight.addChild(levelText);
levelText.x = -50;
levelText.y = 50;
var healthBar = new Container();
var healthBarBg = LK.getAsset('airParticle', {
	anchorX: 0,
	anchorY: 0.5,
	scaleX: 40,
	scaleY: 0.8,
	alpha: 0.5,
	tint: 0x000000
});
var healthBarFill = LK.getAsset('airParticle', {
	anchorX: 0,
	anchorY: 0.5,
	scaleX: 40,
	scaleY: 0.8,
	tint: 0x42f5a7
});
healthBar.addChild(healthBarBg);
healthBar.addChild(healthBarFill);
LK.gui.top.addChild(healthBar);
healthBar.y = 50;
// Initialize game elements
function initializeGame() {
	// Initialize level manager
	levelManager = new Level();
	levelManager.startLevel(1);
	remainingEnemies = levelManager.enemyCount;
	// Create air shrine in the center
	airShrine = new AirShrine();
	airShrine.x = GAME_WIDTH / 2;
	airShrine.y = GAME_HEIGHT / 2;
	game.addChild(airShrine);
	// Create initial leaves
	for (var i = 0; i < 10; i++) {
		createLeaf();
	}
	// Create initial clouds
	for (var i = 0; i < 3; i++) {
		createCloud();
	}
	// Start ambient wind music
	LK.playMusic('ambientWind', {
		fade: {
			start: 0,
			end: 0.4,
			duration: 2000
		}
	});
}
// Create a new leaf at a random position
function createLeaf() {
	var leaf = new Leaf();
	leaf.x = Math.random() * GAME_WIDTH;
	leaf.y = Math.random() * GAME_HEIGHT;
	leaf.vx = (Math.random() - 0.5) * 2;
	leaf.vy = (Math.random() - 0.5) * 2;
	leaves.push(leaf);
	game.addChild(leaf);
}
// Create a new cloud
function createCloud() {
	var cloud = new Cloud();
	var side = Math.floor(Math.random() * 4); // 0: top, 1: right, 2: bottom, 3: left
	var type = Math.random() < threatChance ? "threat" : "normal";
	switch (side) {
		case 0:
			// top
			cloud.init(Math.random() * GAME_WIDTH, -100, type);
			cloud.vy = Math.random() * 1 + 0.5;
			break;
		case 1:
			// right
			cloud.init(GAME_WIDTH + 100, Math.random() * GAME_HEIGHT, type);
			cloud.vx = -(Math.random() * 1 + 0.5);
			break;
		case 2:
			// bottom
			cloud.init(Math.random() * GAME_WIDTH, GAME_HEIGHT + 100, type);
			cloud.vy = -(Math.random() * 1 + 0.5);
			break;
		case 3:
			// left
			cloud.init(-100, Math.random() * GAME_HEIGHT, type);
			cloud.vx = Math.random() * 1 + 0.5;
			break;
	}
	clouds.push(cloud);
	game.addChild(cloud);
}
// Create air particles
function createAirParticles(x, y, dirX, dirY, count, speed) {
	for (var i = 0; i < count; i++) {
		var particle = new AirParticle();
		var angle = Math.atan2(dirY, dirX) + (Math.random() - 0.5) * 1;
		var particleSpeed = speed * (0.5 + Math.random() * 0.5);
		particle.init(x + (Math.random() - 0.5) * 40, y + (Math.random() - 0.5) * 40, Math.cos(angle) * particleSpeed, Math.sin(angle) * particleSpeed, 50 + Math.random() * 50);
		airParticles.push(particle);
		game.addChild(particle);
	}
}
// Create a tornado
function createTornado(x, y) {
	var tornado = new Tornado();
	tornado.init(x, y);
	tornados.push(tornado);
	game.addChild(tornado);
}
// Create an enemy
function createEnemy() {
	if (remainingEnemies <= 0) return; // Don't create enemies if level quota reached
	var enemy = new Enemy();
	var angle = Math.random() * Math.PI * 2;
	var distance = 1200; // Spawn outside the player's immediate view
	var x = airShrine.x + Math.cos(angle) * distance;
	var y = airShrine.y + Math.sin(angle) * distance;
	// Ensure enemy is spawned within game bounds + margin
	x = Math.max(-100, Math.min(GAME_WIDTH + 100, x));
	y = Math.max(-100, Math.min(GAME_HEIGHT + 100, y));
	enemy.init(x, y, levelManager.enemyHealth, levelManager.enemySpeed);
	enemies.push(enemy);
	game.addChild(enemy);
	remainingEnemies--;
}
// Handle pointer down event
game.down = function (x, y, obj) {
	var hand = new PlayerHand();
	hand.init(x, y);
	playerHands.push(hand);
	game.addChild(hand);
	// Play wind sound
	LK.getSound('wind').play();
	// Create initial air particles
	createAirParticles(x, y, 0, 0, 5, 1);
};
// Handle pointer move event
game.move = function (x, y, obj) {
	// Update the most recent hand position
	if (playerHands.length > 0) {
		var hand = playerHands[playerHands.length - 1];
		// Calculate direction and speed
		var dirX = x - hand.x;
		var dirY = y - hand.y;
		var speed = Math.sqrt(dirX * dirX + dirY * dirY);
		// Only update if the hand has moved enough
		if (speed > 1) {
			hand.x = x;
			hand.y = y;
			// Create air particles based on movement speed
			if (speed > 10) {
				var normalizedDirX = dirX / speed;
				var normalizedDirY = dirY / speed;
				createAirParticles(x, y, normalizedDirX, normalizedDirY, Math.min(5, speed / 5), speed / 10);
				// Create wind effect
				if (speed > 20 && LK.ticks % 5 === 0) {
					var windEffect = new WindEffect();
					windEffect.init(x, y, normalizedDirX, normalizedDirY, speed / 20);
					windEffects.push(windEffect);
					game.addChild(windEffect);
				}
				// Apply wind force to nearby leaves and clouds
				var windRadius = 200 + speed * 2;
				var windStrength = speed / 30;
				for (var i = 0; i < leaves.length; i++) {
					var leaf = leaves[i];
					var dx = leaf.x - x;
					var dy = leaf.y - y;
					var distance = Math.sqrt(dx * dx + dy * dy);
					if (distance < windRadius) {
						leaf.applyWind(normalizedDirX, normalizedDirY, windStrength * (1 - distance / windRadius));
					}
				}
				for (var i = 0; i < clouds.length; i++) {
					var cloud = clouds[i];
					var dx = cloud.x - x;
					var dy = cloud.y - y;
					var distance = Math.sqrt(dx * dx + dy * dy);
					if (distance < windRadius * 1.5) {
						cloud.applyWind(normalizedDirX, normalizedDirY, windStrength * 0.5 * (1 - distance / (windRadius * 1.5)));
					}
				}
			}
			// Check for circular motion (tornado creation)
			if (hand.isCircularMotion()) {
				var center = hand.getCircleCenter();
				createTornado(center.x, center.y);
				hand.trailPoints = []; // Reset trail after creating tornado
			}
		}
	}
};
// Handle pointer up event
game.up = function (x, y, obj) {
	if (playerHands.length > 0) {
		var hand = playerHands[playerHands.length - 1];
		hand.deactivate();
	}
};
// Main game update loop
game.update = function () {
	// Update all game objects
	// Update air particles
	for (var i = airParticles.length - 1; i >= 0; i--) {
		if (!airParticles[i].update()) {
			airParticles[i].destroy();
			airParticles.splice(i, 1);
		}
	}
	// Update player hands
	for (var i = playerHands.length - 1; i >= 0; i--) {
		var hand = playerHands[i];
		hand.update();
		if (!hand.active && hand.alpha <= 0) {
			hand.destroy();
			playerHands.splice(i, 1);
		}
	}
	// Update leaves
	for (var i = 0; i < leaves.length; i++) {
		leaves[i].update();
	}
	// Update clouds and check for collisions with shrine
	for (var i = clouds.length - 1; i >= 0; i--) {
		var cloud = clouds[i];
		cloud.update();
		// Check if cloud is off screen by a large margin
		if (cloud.x < -300 || cloud.x > GAME_WIDTH + 300 || cloud.y < -300 || cloud.y > GAME_HEIGHT + 300) {
			cloud.destroy();
			clouds.splice(i, 1);
			continue;
		}
		// Check for threat clouds intersecting with shrine
		if (cloud.type === "threat") {
			cloud.lastIntersecting = cloud.intersects(airShrine);
			if (cloud.lastIntersecting) {
				airShrine.damage(0.1);
				// Visual feedback
				createAirParticles(cloud.x, cloud.y, 0, 0, 5, 2);
			}
		}
	}
	// Update tornados and apply forces
	for (var i = tornados.length - 1; i >= 0; i--) {
		var tornado = tornados[i];
		if (!tornado.update()) {
			tornado.destroy();
			tornados.splice(i, 1);
			continue;
		}
		// Apply tornado forces to leaves and clouds
		for (var j = 0; j < leaves.length; j++) {
			tornado.applyForce(leaves[j]);
		}
		for (var j = 0; j < clouds.length; j++) {
			if (tornado.applyForce(clouds[j]) && clouds[j].type === "threat") {
				// Destroy threat clouds caught in tornados
				score += 5;
				scoreText.setText("Score: " + score);
				// Create particle effect
				createAirParticles(clouds[j].x, clouds[j].y, 0, 0, 20, 3);
				// Play success sound
				LK.getSound('success').play();
				// Remove the cloud
				clouds[j].destroy();
				clouds.splice(j, 1);
				j--;
			}
		}
	}
	// Update air shrine
	airShrine.update();
	// Check for game over condition
	if (airShrine.health <= 0 && airShrine.lastHealth > 0) {
		LK.effects.flashScreen(0xff0000, 1000);
		LK.showGameOver();
	}
	// Update wind effects
	for (var i = windEffects.length - 1; i >= 0; i--) {
		if (!windEffects[i].update()) {
			windEffects[i].destroy();
			windEffects.splice(i, 1);
		}
	}
	// Check for level completion (all enemies defeated)
	if (remainingEnemies <= 0 && enemies.length === 0) {
		levelManager.startLevel(levelManager.currentLevel + 1);
		levelText.setText("Level: " + levelManager.currentLevel);
		remainingEnemies = levelManager.enemyCount;
		// Update game parameters
		threatChance = levelManager.threatChance;
		cloudInterval = levelManager.cloudInterval;
		leafInterval = levelManager.leafInterval;
		enemyInterval = levelManager.enemyInterval;
		// Heal shrine a bit
		airShrine.heal(20);
		// Visual feedback
		LK.effects.flashScreen(0x00ff00, 500);
	}
	// Update health bar
	healthBarFill.scale.x = 40 * (airShrine.health / 100);
	if (airShrine.health < 30) {
		healthBarFill.tint = 0xff3030;
	} else if (airShrine.health < 60) {
		healthBarFill.tint = 0xffff30;
	} else {
		healthBarFill.tint = 0x42f5a7;
	}
	// Update enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		var enemy = enemies[i];
		enemy.update();
		// Check if enemy reached the shrine
		if (enemy.intersects(airShrine)) {
			if (!enemy.lastIntersecting) {
				airShrine.damage(5);
				createAirParticles(enemy.x, enemy.y, 0, 0, 15, 3);
				LK.effects.flashObject(enemy, 0xff0000, 300);
			}
			enemy.lastIntersecting = true;
		} else {
			enemy.lastIntersecting = false;
		}
		// Check if enemy is hit by wind
		for (var j = 0; j < playerHands.length; j++) {
			var hand = playerHands[j];
			if (hand.active && hand.vx * hand.vx + hand.vy * hand.vy > 25) {
				var dx = enemy.x - hand.x;
				var dy = enemy.y - hand.y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				if (distance < 150) {
					if (enemy.damage()) {
						score += 10;
						scoreText.setText("Score: " + score);
						createAirParticles(enemy.x, enemy.y, hand.vx / 10, hand.vy / 10, 20, 2);
						LK.getSound('success').play();
						enemy.destroy();
						enemies.splice(i, 1);
						break;
					} else {
						// Knockback effect
						enemy.x += hand.vx * 0.5;
						enemy.y += hand.vy * 0.5;
						createAirParticles(enemy.x, enemy.y, hand.vx / 20, hand.vy / 20, 5, 1);
					}
				}
			}
		}
		// Check if enemy is caught in tornado
		for (var j = 0; j < tornados.length; j++) {
			if (tornados[j].applyForce(enemy)) {
				if (enemy.damage()) {
					score += 15;
					scoreText.setText("Score: " + score);
					createAirParticles(enemy.x, enemy.y, 0, 0, 25, 3);
					LK.getSound('success').play();
					enemy.destroy();
					enemies.splice(i, 1);
					break;
				}
			}
		}
	}
	// Spawn new clouds, leaves and enemies at intervals
	if (LK.ticks >= nextCloudTime) {
		createCloud();
		nextCloudTime = LK.ticks + cloudInterval;
	}
	if (LK.ticks >= nextLeafTime) {
		createLeaf();
		nextLeafTime = LK.ticks + leafInterval;
	}
	if (LK.ticks >= nextEnemyTime && remainingEnemies > 0) {
		createEnemy();
		nextEnemyTime = LK.ticks + enemyInterval;
	}
	// Set score for LK system
	LK.setScore(score);
};
// Initialize the game
initializeGame();

===================================================================
--- original.js
+++ change.js
@@ -272,15 +272,15 @@
 		levelNotification.y = GAME_HEIGHT / 2;
 		levelNotification.alpha = 0;
 		game.addChild(levelNotification);
 		// Animate level notification
-		tween(levelNotification, {
+		tween.to(levelNotification, {
 			alpha: 1,
 			y: GAME_HEIGHT / 2 - 100
 		}, {
 			duration: 500
 		}).then(function () {
-			return tween(levelNotification, {
+			return tween.to(levelNotification, {
 				alpha: 0,
 				y: GAME_HEIGHT / 2 - 200
 			}, {
 				duration: 500,