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

/**** 
* Classes
****/ 
var BirdBoss = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('birdBoss', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 3;
	self.maxHealth = 3;
	self.moveTimer = 0;
	self.moveInterval = 240; // 4 seconds at 60fps
	self.lastTargetX = GAME_WIDTH / 2;
	self.lastTargetY = GAME_HEIGHT / 2;
	self.speed = 12;
	self.isMoving = false;
	self.targetX = GAME_WIDTH / 2;
	self.targetY = GAME_HEIGHT / 2;
	self.update = function () {
		self.moveTimer++;
		// Every 4 seconds, set new target to snake's current position
		if (self.moveTimer >= self.moveInterval) {
			self.moveTimer = 0;
			if (snake.length > 0) {
				var head = snake[0];
				self.targetX = head.x;
				self.targetY = head.y;
				self.isMoving = true;
			}
		}
		// Move towards target if moving
		if (self.isMoving) {
			var deltaX = self.targetX - self.x;
			var deltaY = self.targetY - self.y;
			var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
			if (distance > 10) {
				var moveX = deltaX / distance * self.speed;
				var moveY = deltaY / distance * self.speed;
				self.x += moveX;
				self.y += moveY;
			} else {
				self.isMoving = false;
			}
		}
	};
	self.takeDamage = function () {
		self.health--;
		if (self.health <= 0) {
			self.die();
		}
	};
	self.die = function () {
		LK.setScore(LK.getScore() + 150);
		scoreTxt.setText('Score: ' + LK.getScore());
		birdBossActive = false;
		birdBossDefeated = true;
		self.destroy();
	};
	return self;
});
var BossRock = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('bossRock', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Initialize velocity (will be set when rock is created)
	self.velocityX = 0;
	self.velocityY = 0;
	self.bounceCount = 0;
	self.maxBounces = 3;
	self.lastX = 0;
	self.lastY = 0;
	self.lastIntersectingBoss = false;
	self.setTarget = function (startX, startY, targetX, targetY) {
		// Calculate velocity towards target
		var angle = Math.atan2(targetY - startY, targetX - startX);
		self.velocityX = Math.cos(angle) * 8;
		self.velocityY = Math.sin(angle) * 8;
		self.lastX = startX;
		self.lastY = startY;
	};
	self.update = function () {
		// Store last position
		self.lastX = self.x;
		self.lastY = self.y;
		// Move rock
		self.x += self.velocityX;
		self.y += self.velocityY;
		// Bounce off walls
		if (self.x <= 50 || self.x >= GAME_WIDTH - 50) {
			self.velocityX = -self.velocityX;
			self.x = Math.max(50, Math.min(GAME_WIDTH - 50, self.x));
			self.bounceCount++;
			self.updateGrayness();
			if (self.bounceCount >= self.maxBounces) {
				self.destroy();
				return;
			}
		}
		if (self.y <= 50 || self.y >= GAME_HEIGHT - 50) {
			self.velocityY = -self.velocityY;
			self.y = Math.max(50, Math.min(GAME_HEIGHT - 50, self.y));
			self.bounceCount++;
			self.updateGrayness();
			if (self.bounceCount >= self.maxBounces) {
				self.destroy();
				return;
			}
		}
	};
	self.updateGrayness = function () {
		// Make rock grayer with each bounce
		var grayness = 0.7 + self.bounceCount * 0.1;
		var grayColor = Math.floor(0x69 * grayness) << 16 | Math.floor(0x69 * grayness) << 8 | Math.floor(0x69 * grayness);
		graphics.tint = grayColor;
	};
	return self;
});
var CrownDrop = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('crownDrop', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add gentle pulsing animation
	self.animationCounter = 0;
	self.baseScale = 1.0;
	self.update = function () {
		// Gentle pulsing animation
		self.animationCounter += 0.08;
		var pulseScale = self.baseScale + Math.sin(self.animationCounter) * 0.15;
		graphics.scaleX = pulseScale;
		graphics.scaleY = pulseScale;
	};
	return self;
});
var EnemySnake = Container.expand(function () {
	var self = Container.call(this);
	// Create enemy snake head
	var headGraphics = self.attachAsset('enemySnakeHead', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Enemy snake properties
	self.segments = [];
	self.direction = {
		x: 1,
		y: 0
	};
	self.speed = 6;
	self.moveCounter = 0;
	self.gridX = 0;
	self.gridY = 0;
	self.lastTargetTime = 0;
	self.targetFruit = null;
	self.targetGrowthPoint = null;
	// Create initial body segments
	for (var i = 0; i < 3; i++) {
		var segment = new Container();
		var segmentGraphics = segment.attachAsset('enemySnakeBody', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		segment.gridX = self.gridX - (i + 1);
		segment.gridY = self.gridY;
		segment.x = segment.gridX * GRID_SIZE + GRID_SIZE / 2;
		segment.y = segment.gridY * GRID_SIZE + GRID_SIZE / 2;
		self.segments.push(segment);
		game.addChild(segment);
	}
	self.findNearestTarget = function () {
		var targets = [];
		// Add fruits as targets
		if (currentFruit) {
			targets.push({
				type: 'fruit',
				obj: currentFruit,
				x: currentFruit.gridX,
				y: currentFruit.gridY,
				priority: 2
			});
		}
		// Add growth points as targets
		for (var i = 0; i < growthPoints.length; i++) {
			targets.push({
				type: 'growthPoint',
				obj: growthPoints[i],
				x: growthPoints[i].gridX,
				y: growthPoints[i].gridY,
				priority: 1
			});
		}
		if (targets.length === 0) return null;
		// Find closest target
		var closest = targets[0];
		var closestDist = Math.abs(closest.x - self.gridX) + Math.abs(closest.y - self.gridY);
		for (var i = 1; i < targets.length; i++) {
			var dist = Math.abs(targets[i].x - self.gridX) + Math.abs(targets[i].y - self.gridY);
			if (dist < closestDist || dist === closestDist && targets[i].priority > closest.priority) {
				closest = targets[i];
				closestDist = dist;
			}
		}
		return closest;
	};
	self.moveTowardsTarget = function () {
		var target = self.findNearestTarget();
		if (!target) {
			// Random movement if no target
			var directions = [{
				x: 1,
				y: 0
			}, {
				x: -1,
				y: 0
			}, {
				x: 0,
				y: 1
			}, {
				x: 0,
				y: -1
			}];
			self.direction = directions[Math.floor(Math.random() * directions.length)];
			return;
		}
		var deltaX = target.x - self.gridX;
		var deltaY = target.y - self.gridY;
		// Choose direction based on larger delta
		if (Math.abs(deltaX) > Math.abs(deltaY)) {
			self.direction = {
				x: deltaX > 0 ? 1 : -1,
				y: 0
			};
		} else {
			self.direction = {
				x: 0,
				y: deltaY > 0 ? 1 : -1
			};
		}
	};
	self.update = function () {
		self.moveCounter++;
		var moveInterval = Math.max(3, 15 - self.speed);
		if (self.moveCounter >= moveInterval) {
			self.moveCounter = 0;
			// Update movement direction towards targets
			self.moveTowardsTarget();
			// Calculate new position
			var newGridX = self.gridX + self.direction.x;
			var newGridY = self.gridY + self.direction.y;
			// Bounce off walls
			if (newGridX <= 0 || newGridX >= COLS - 1) {
				self.direction.x = -self.direction.x;
				newGridX = self.gridX + self.direction.x;
			}
			if (newGridY <= 0 || newGridY >= ROWS - 1) {
				self.direction.y = -self.direction.y;
				newGridY = self.gridY + self.direction.y;
			}
			// Move body segments
			for (var i = self.segments.length - 1; i > 0; i--) {
				self.segments[i].gridX = self.segments[i - 1].gridX;
				self.segments[i].gridY = self.segments[i - 1].gridY;
				self.segments[i].x = self.segments[i].gridX * GRID_SIZE + GRID_SIZE / 2;
				self.segments[i].y = self.segments[i].gridY * GRID_SIZE + GRID_SIZE / 2;
			}
			// Move first body segment to old head position
			if (self.segments.length > 0) {
				self.segments[0].gridX = self.gridX;
				self.segments[0].gridY = self.gridY;
				self.segments[0].x = self.gridX * GRID_SIZE + GRID_SIZE / 2;
				self.segments[0].y = self.gridY * GRID_SIZE + GRID_SIZE / 2;
			}
			// Move head
			self.gridX = newGridX;
			self.gridY = newGridY;
			self.x = self.gridX * GRID_SIZE + GRID_SIZE / 2;
			self.y = self.gridY * GRID_SIZE + GRID_SIZE / 2;
			// Check for fruit collision
			if (currentFruit && currentFruit.gridX === self.gridX && currentFruit.gridY === self.gridY) {
				// Steal points (reduce player score)
				var currentScore = LK.getScore();
				LK.setScore(Math.max(0, currentScore - 10));
				scoreTxt.setText('Score: ' + LK.getScore());
				// Remove the fruit
				currentFruit.destroy();
				currentFruit = null;
				spawnFruit();
				// Flash screen purple to indicate theft
				LK.effects.flashScreen(0x8b008b, 300);
			}
			// Check for growth point collision
			for (var i = growthPoints.length - 1; i >= 0; i--) {
				if (growthPoints[i].gridX === self.gridX && growthPoints[i].gridY === self.gridY) {
					// Steal points (reduce player score)
					var currentScore = LK.getScore();
					LK.setScore(Math.max(0, currentScore - 5));
					scoreTxt.setText('Score: ' + LK.getScore());
					// Remove the growth point
					growthPoints[i].destroy();
					growthPoints.splice(i, 1);
					// Flash screen purple to indicate theft
					LK.effects.flashScreen(0x8b008b, 300);
					break;
				}
			}
		}
	};
	self.destroy = function () {
		// Destroy all body segments
		for (var i = 0; i < self.segments.length; i++) {
			if (self.segments[i].parent) {
				self.segments[i].destroy();
			}
		}
		self.segments = [];
		// Destroy head
		if (self.parent) {
			Container.prototype.destroy.call(self);
		}
	};
	return self;
});
var Fruit = Container.expand(function (type) {
	var self = Container.call(this);
	var assetName = 'apple';
	if (type === 'pear') assetName = 'pear';else if (type === 'banana') assetName = 'banana';else if (type === 'multicolor') assetName = 'multicolor';else if (type === 'coconut') assetName = 'coconut';else if (type === 'orange') assetName = 'orange';
	var graphics = self.attachAsset(assetName, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.fruitType = type || 'apple';
	// Add gentle pulsing animation to all fruits
	self.animationCounter = 0;
	self.baseScale = 1.0;
	// Add color animation for multicolor fruit
	if (type === 'multicolor') {
		self.colorIndex = 0;
		self.colors = [0xff3333, 0x44dd44, 0x3366ff, 0xffdd44, 0xff44dd, 0x44ddff];
		self.update = function () {
			// Color cycling for multicolor fruit
			if (LK.ticks % 15 === 0) {
				self.colorIndex = (self.colorIndex + 1) % self.colors.length;
				graphics.tint = self.colors[self.colorIndex];
			}
			// Gentle pulsing animation
			self.animationCounter += 0.08;
			var pulseScale = self.baseScale + Math.sin(self.animationCounter) * 0.15;
			graphics.scaleX = pulseScale;
			graphics.scaleY = pulseScale;
		};
	} else {
		self.update = function () {
			// Gentle pulsing animation for regular fruits
			self.animationCounter += 0.06;
			var pulseScale = self.baseScale + Math.sin(self.animationCounter) * 0.1;
			graphics.scaleX = pulseScale;
			graphics.scaleY = pulseScale;
		};
	}
	return self;
});
var GrowthPoint = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('growthPoint', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add gentle pulsing animation
	self.animationCounter = 0;
	self.baseScale = 1.0;
	self.update = function () {
		// Gentle pulsing animation
		self.animationCounter += 0.1;
		var pulseScale = self.baseScale + Math.sin(self.animationCounter) * 0.2;
		graphics.scaleX = pulseScale;
		graphics.scaleY = pulseScale;
	};
	return self;
});
var LavaArea = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('lavaArea', {
		anchorX: 0,
		anchorY: 0
	});
	self.isWarning = true;
	self.warningTime = 5000; // 5 seconds warning
	self.startTime = Date.now();
	// Set initial warning appearance
	graphics.alpha = 0.3;
	graphics.tint = 0xffff00; // Yellow warning
	self.update = function () {
		var elapsed = Date.now() - self.startTime;
		if (self.isWarning && elapsed < self.warningTime) {
			// Slower, more intermittent blinking warning effect
			var blinkSpeed = 2; // Much slower blinking
			var blinkCycle = Math.sin(LK.ticks * blinkSpeed * 0.1);
			// More intermittent pattern - only blink when sine wave is positive
			if (blinkCycle > 0) {
				graphics.alpha = 0.3 + 0.4 * blinkCycle;
			} else {
				graphics.alpha = 0.1; // Very dim when not blinking
			}
		} else if (self.isWarning && elapsed >= self.warningTime) {
			// Convert to lava
			self.isWarning = false;
			graphics.alpha = 1.0;
			graphics.tint = 0xff4400; // Red lava
		}
	};
	return self;
});
var PotatoBoss = Container.expand(function () {
	var self = Container.call(this);
	// Create boss body
	var body = self.attachAsset('bossBody', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Create angry eyebrows
	var leftEyebrow = self.attachAsset('bossEyebrow', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: -40,
		y: -50
	});
	var rightEyebrow = self.attachAsset('bossEyebrow', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 40,
		y: -50
	});
	// Angle the eyebrows for angry look
	leftEyebrow.rotation = 0.3;
	rightEyebrow.rotation = -0.3;
	// Create crown
	var crown = self.attachAsset('bossCrown', {
		anchorX: 0.5,
		anchorY: 1,
		x: 0,
		y: -80
	});
	self.health = 5;
	self.maxHealth = 5;
	self.shootTimer = 0;
	self.shootInterval = 120; // 2 seconds at 60fps
	self.hitFlashTimer = 0;
	self.update = function () {
		// Shooting logic
		self.shootTimer++;
		if (self.shootTimer >= self.shootInterval) {
			self.shootTimer = 0;
			self.shootRock();
		}
		// Hit flash effect
		if (self.hitFlashTimer > 0) {
			self.hitFlashTimer--;
			var flashIntensity = self.hitFlashTimer / 30;
			body.tint = 0xFFFFFF * flashIntensity + 0xD2B48C * (1 - flashIntensity);
		} else {
			body.tint = 0xFFFFFF;
		}
	};
	self.shootRock = function () {
		if (!gameRunning || snake.length === 0) return;
		// Shoot towards snake head
		var head = snake[0];
		var rock = new BossRock();
		rock.x = self.x;
		rock.y = self.y;
		rock.setTarget(self.x, self.y, head.x, head.y);
		bossRocks.push(rock);
		game.addChild(rock);
		LK.getSound('boss_shoot').play();
	};
	self.takeDamage = function () {
		self.health--;
		self.hitFlashTimer = 30;
		LK.getSound('boss_hit').play();
		if (self.health <= 0) {
			self.die();
		}
	};
	self.die = function () {
		LK.getSound('boss_defeat').play();
		LK.setScore(LK.getScore() + 100);
		scoreTxt.setText('Score: ' + LK.getScore());
		bossActive = false;
		bossDefeated = true;
		// Drop crown at boss position
		crownDrop = new CrownDrop();
		crownDrop.x = self.x;
		crownDrop.y = self.y;
		game.addChild(crownDrop);
		// Update missions - boss killed
		if (!missions.bossKilled.completed) {
			missions.bossKilled.current++;
			storage.bossKilled = missions.bossKilled.current;
			if (missions.bossKilled.current >= missions.bossKilled.target) {
				missions.bossKilled.completed = true;
				storage.bossCompleted = true;
			}
			updateMissionsDisplay();
		}
		// Clear boss and rocks
		for (var i = bossRocks.length - 1; i >= 0; i--) {
			bossRocks[i].destroy();
		}
		bossRocks = [];
		self.destroy();
	};
	return self;
});
var PurpleSnake = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('purpleSnake', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 8;
	self.targetX = GAME_WIDTH / 2;
	self.targetY = GAME_HEIGHT / 2;
	self.update = function () {
		// Move towards center of screen
		var deltaX = self.targetX - self.x;
		var deltaY = self.targetY - self.y;
		var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
		if (distance > 5) {
			var moveX = deltaX / distance * self.speed;
			var moveY = deltaY / distance * self.speed;
			self.x += moveX;
			self.y += moveY;
		}
	};
	return self;
});
var SnakeHead = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('snakeHead', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Create crown but make it invisible initially
	var crown = self.attachAsset('snakeCrown', {
		anchorX: 0.5,
		anchorY: 1,
		x: 0,
		y: -20
	});
	crown.visible = false; // Crown is hidden until collected
	// Create shield but make it invisible initially
	var shield = self.attachAsset('shield', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: -10
	});
	shield.visible = false; // Shield is hidden until orange is consumed
	shield.alpha = 0.7; // Semi-transparent shield
	self.thickness = 1;
	self.animationCounter = 0;
	self.baseThickness = 1;
	self.hasCrown = false; // Track if snake has collected crown
	self.hasShield = false; // Track if snake has shield protection
	self.setThickness = function (newThickness) {
		self.thickness = newThickness;
		self.baseThickness = newThickness;
		graphics.scaleX = newThickness;
		graphics.scaleY = newThickness;
	};
	self.showCrown = function () {
		self.hasCrown = true;
		crown.visible = true;
	};
	self.activateShield = function () {
		self.hasShield = true;
		shield.visible = true;
		shield.alpha = 0.7;
		// Add shield pulsing animation
		tween(shield, {
			scaleX: 1.2,
			scaleY: 1.2
		}, {
			duration: 500,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				if (shield && shield.visible && self.hasShield) {
					tween(shield, {
						scaleX: 1,
						scaleY: 1
					}, {
						duration: 500,
						easing: tween.easeInOut,
						loop: true,
						yoyo: true
					});
				}
			}
		});
	};
	self.removeShield = function () {
		self.hasShield = false;
		shield.visible = false;
		// Stop any active tweens on the shield
		if (shield && shield.parent) {
			tween.stop(shield);
			shield.scaleX = 1;
			shield.scaleY = 1;
		}
	};
	self.update = function () {
		// Subtle breathing animation for snake head
		self.animationCounter += 0.05;
		var breatheScale = self.baseThickness + Math.sin(self.animationCounter) * 0.05;
		graphics.scaleX = breatheScale;
		graphics.scaleY = breatheScale;
		// Shield pulsing animation when active
		if (self.hasShield && shield && shield.visible) {
			shield.alpha = 0.5 + Math.sin(self.animationCounter * 3) * 0.2;
		}
	};
	return self;
});
var SnakeSegment = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('snakeBody', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.thickness = 1;
	self.setThickness = function (newThickness) {
		self.thickness = newThickness;
		graphics.scaleX = newThickness;
		graphics.scaleY = newThickness;
	};
	return self;
});
var Spike = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('spike', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityX = 0;
	self.velocityY = 0;
	self.speed = 3;
	// Set random direction
	var angle = Math.random() * Math.PI * 2;
	self.velocityX = Math.cos(angle) * self.speed;
	self.velocityY = Math.sin(angle) * self.speed;
	self.update = function () {
		// Move spike
		self.x += self.velocityX;
		self.y += self.velocityY;
		// Bounce off walls
		if (self.x <= 30 || self.x >= GAME_WIDTH - 30) {
			self.velocityX = -self.velocityX;
			self.x = Math.max(30, Math.min(GAME_WIDTH - 30, self.x));
			LK.getSound('spike_bounce').play();
		}
		if (self.y <= 30 || self.y >= GAME_HEIGHT - 30) {
			self.velocityY = -self.velocityY;
			self.y = Math.max(30, Math.min(GAME_HEIGHT - 30, self.y));
			LK.getSound('spike_bounce').play();
		}
	};
	return self;
});
var WarningLight = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('warningLight', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.blinkTimer = 0;
	self.update = function () {
		self.blinkTimer += 0.15;
		// Dark intermittent blinking
		graphics.alpha = Math.abs(Math.sin(self.blinkTimer)) < 0.3 ? 0.8 : 0.1;
		// Ensure circular shape by maintaining equal scale
		graphics.scaleX = graphics.scaleY;
	};
	return self;
});
var X2Powerup = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('x2Powerup', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.lifeTime = 10000; // 10 seconds
	self.startTime = Date.now();
	self.blinkStartTime = 7000; // Start blinking at 7 seconds (3 seconds before end)
	// Add bouncing movement properties
	self.velocityX = 0;
	self.velocityY = 0;
	self.speed = 1.5; // Slow movement speed
	// Set random direction
	var angle = Math.random() * Math.PI * 2;
	self.velocityX = Math.cos(angle) * self.speed;
	self.velocityY = Math.sin(angle) * self.speed;
	self.update = function () {
		var elapsed = Date.now() - self.startTime;
		// Check if power-up should be destroyed
		if (elapsed >= self.lifeTime) {
			self.destroy();
			return;
		}
		// Move X2 powerup
		self.x += self.velocityX;
		self.y += self.velocityY;
		// Bounce off walls
		if (self.x <= 60 || self.x >= GAME_WIDTH - 60) {
			self.velocityX = -self.velocityX;
			self.x = Math.max(60, Math.min(GAME_WIDTH - 60, self.x));
		}
		if (self.y <= 60 || self.y >= GAME_HEIGHT - 60) {
			self.velocityY = -self.velocityY;
			self.y = Math.max(60, Math.min(GAME_HEIGHT - 60, self.y));
		}
		// Blinking effect in last 3 seconds
		if (elapsed >= self.blinkStartTime) {
			var blinkSpeed = 8; // Fast blinking
			graphics.alpha = Math.abs(Math.sin(LK.ticks * blinkSpeed * 0.1)) > 0.5 ? 1.0 : 0.3;
		} else {
			graphics.alpha = 1.0;
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2a4a3a
});

/**** 
* Game Code
****/ 
var GRID_SIZE = 40;
var GAME_WIDTH = 2048;
var GAME_HEIGHT = 2732;
var COLS = Math.floor(GAME_WIDTH / GRID_SIZE);
var ROWS = Math.floor(GAME_HEIGHT / GRID_SIZE);
// Snake variables
var snake = [];
var snakeDirection = {
	x: 1,
	y: 0
};
var nextDirection = {
	x: 1,
	y: 0
};
var snakeSpeed = 8;
var moveCounter = 0;
var snakeThickness = 1;
// Fruit variables
var currentFruit = null;
var fruits = [];
// Growth points variables
var growthPoints = [];
var coconutPowerActive = false;
var coconutPowerEndTime = 0;
var lastGrowthPointSpawn = 0;
// Game state
var gameRunning = true;
var touchStartX = 0;
var touchStartY = 0;
// Autopilot variables
var autoPilotActive = false;
var autoPilotEndTime = 0;
var countdownText = null;
// Event system variables
var lastEventTime = 0;
var eventInterval = 30000; // 30 seconds
var activeSpikes = [];
var activeLavaAreas = [];
var lastX2EventTime = 0;
var x2EventInterval = 30000; // 30 seconds
var activeX2Powerups = [];
var x2MultiplierActive = false;
var x2MultiplierEndTime = 0;
// Boss battle variables
var gameStartTime = Date.now();
var bossWarningActive = false;
var bossWarningStartTime = 0;
var bossActive = false;
var bossDefeated = false;
var currentBoss = null;
var bossRocks = [];
var warningLights = [];
var bossHealthBar = null;
var bossHealthBarBg = null;
// Reset missions storage at game start
storage.fruitsEaten = 0;
storage.fruitsCompleted = false;
storage.pointsScored = 0;
storage.pointsCompleted = false;
storage.bossKilled = 0;
storage.bossCompleted = false;
storage.eventsLived = 0;
storage.eventsCompleted = false;
// Missions system variables
var missions = {
	fruitsEaten: {
		target: 5,
		current: 0,
		completed: false
	},
	pointsScored: {
		target: 300,
		current: 0,
		completed: false
	},
	bossKilled: {
		target: 1,
		current: 0,
		completed: false
	},
	eventsLived: {
		target: 4,
		current: 0,
		completed: false
	}
};
var missionsTable = null;
var eventsCounter = 0;
// Crown drop variable
var crownDrop = null;
// Enemy snake variable
var activeEnemySnake = null;
// Bird boss variables
var birdBossActive = false;
var birdBossDefeated = false;
var currentBirdBoss = null;
var birdBossStartTime = 0;
var purpleSnakeActive = false;
var currentPurpleSnake = null;
var purpleSnakeSpawnTime = 0;
// Timer display
var timerTxt = new Text2('Time: 00:00', {
	size: 50,
	fill: 0xFFFFFF
});
timerTxt.anchor.set(0.5, 0);
timerTxt.x = 0;
timerTxt.y = 20;
LK.gui.top.addChild(timerTxt);
// Next event display
var nextEventTxt = new Text2('Next Event: Spike/Lava in 30s', {
	size: 40,
	fill: 0xFFFF00
});
nextEventTxt.anchor.set(0.5, 0);
nextEventTxt.x = 0;
nextEventTxt.y = 80;
LK.gui.top.addChild(nextEventTxt);
// Score display
var scoreTxt = new Text2('Score: 0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0, 0);
scoreTxt.x = 120;
scoreTxt.y = 20;
LK.gui.topLeft.addChild(scoreTxt);
// Power-up display
var powerTxt = new Text2('Speed: 1x | Thickness: 1x', {
	size: 40,
	fill: 0xFFFF00
});
powerTxt.anchor.set(1, 0);
powerTxt.x = -20;
powerTxt.y = 20;
LK.gui.topRight.addChild(powerTxt);
// Boss health bar (initially hidden)
bossHealthBarBg = new LK.getAsset('healthBarBg', {
	anchorX: 0.5,
	anchorY: 0
});
bossHealthBarBg.x = GAME_WIDTH / 2;
bossHealthBarBg.y = 100;
bossHealthBarBg.visible = false;
game.addChild(bossHealthBarBg);
bossHealthBar = new LK.getAsset('healthBar', {
	anchorX: 0.5,
	anchorY: 0
});
bossHealthBar.x = GAME_WIDTH / 2;
bossHealthBar.y = 100;
bossHealthBar.visible = false;
game.addChild(bossHealthBar);
// Create missions table
missionsTable = new Text2('MISSIONS:\n' + '• Eat 5 fruits: 0/5\n' + '• Score 300 points: 0/300\n' + '• Kill the boss: 0/1\n' + '• Survive 4 events: 0/4', {
	size: 35,
	fill: 0xFFFFFF
});
missionsTable.anchor.set(0, 0);
missionsTable.x = 20;
missionsTable.y = 120;
LK.gui.topLeft.addChild(missionsTable);
// Create walls
var topWall = game.addChild(LK.getAsset('wall', {
	x: 0,
	y: 0,
	width: GAME_WIDTH,
	height: 20
}));
var bottomWall = game.addChild(LK.getAsset('wall', {
	x: 0,
	y: GAME_HEIGHT - 20,
	width: GAME_WIDTH,
	height: 20
}));
var leftWall = game.addChild(LK.getAsset('wall', {
	x: 0,
	y: 0,
	width: 20,
	height: GAME_HEIGHT
}));
var rightWall = game.addChild(LK.getAsset('wall', {
	x: GAME_WIDTH - 20,
	y: 0,
	width: 20,
	height: GAME_HEIGHT
}));
// Initialize snake
function initSnake() {
	// Create initial snake with 3 segments
	var startX = Math.floor(COLS / 4);
	var startY = Math.floor(ROWS / 2);
	for (var i = 0; i < 3; i++) {
		var segment;
		if (i === 0) {
			segment = new SnakeHead();
		} else {
			segment = new SnakeSegment();
		}
		segment.gridX = startX - i;
		segment.gridY = startY;
		segment.x = segment.gridX * GRID_SIZE + GRID_SIZE / 2;
		segment.y = segment.gridY * GRID_SIZE + GRID_SIZE / 2;
		snake.push(segment);
		game.addChild(segment);
	}
}
// Spawn growth point
function spawnGrowthPoint() {
	// Only spawn if no growth points exist OR coconut power is active
	if (growthPoints.length > 0 && !coconutPowerActive) {
		return;
	}
	var validPosition = false;
	var gridX, gridY;
	while (!validPosition) {
		gridX = Math.floor(Math.random() * (COLS - 4)) + 2;
		gridY = Math.floor(Math.random() * (ROWS - 4)) + 2;
		validPosition = true;
		// Check snake collision
		for (var i = 0; i < snake.length; i++) {
			if (snake[i].gridX === gridX && snake[i].gridY === gridY) {
				validPosition = false;
				break;
			}
		}
		// Check fruit collision
		if (currentFruit && currentFruit.gridX === gridX && currentFruit.gridY === gridY) {
			validPosition = false;
		}
		// Check other growth points collision
		for (var i = 0; i < growthPoints.length; i++) {
			if (growthPoints[i].gridX === gridX && growthPoints[i].gridY === gridY) {
				validPosition = false;
				break;
			}
		}
		// Avoid lava areas
		var worldX = gridX * GRID_SIZE + GRID_SIZE / 2;
		var worldY = gridY * GRID_SIZE + GRID_SIZE / 2;
		for (var l = 0; l < activeLavaAreas.length; l++) {
			var lavaArea = activeLavaAreas[l];
			if (worldX >= lavaArea.x && worldX <= lavaArea.x + 1024 && worldY >= lavaArea.y && worldY <= lavaArea.y + 1366) {
				validPosition = false;
				break;
			}
		}
	}
	var growthPoint = new GrowthPoint();
	growthPoint.gridX = gridX;
	growthPoint.gridY = gridY;
	growthPoint.x = gridX * GRID_SIZE + GRID_SIZE / 2;
	growthPoint.y = gridY * GRID_SIZE + GRID_SIZE / 2;
	growthPoints.push(growthPoint);
	game.addChild(growthPoint);
}
// Spawn fruit
function spawnFruit() {
	if (currentFruit) {
		currentFruit.destroy();
		currentFruit = null;
	}
	var fruitTypes = ['apple', 'pear', 'banana', 'multicolor', 'coconut', 'orange'];
	var randomType = fruitTypes[Math.floor(Math.random() * fruitTypes.length)];
	var validPosition = false;
	var gridX, gridY;
	while (!validPosition) {
		gridX = Math.floor(Math.random() * (COLS - 4)) + 2;
		gridY = Math.floor(Math.random() * (ROWS - 4)) + 2;
		validPosition = true;
		for (var i = 0; i < snake.length; i++) {
			if (snake[i].gridX === gridX && snake[i].gridY === gridY) {
				validPosition = false;
				break;
			}
		}
		// Avoid lava areas
		var worldX = gridX * GRID_SIZE + GRID_SIZE / 2;
		var worldY = gridY * GRID_SIZE + GRID_SIZE / 2;
		for (var l = 0; l < activeLavaAreas.length; l++) {
			var lavaArea = activeLavaAreas[l];
			if (worldX >= lavaArea.x && worldX <= lavaArea.x + 1024 && worldY >= lavaArea.y && worldY <= lavaArea.y + 1366) {
				validPosition = false;
				break;
			}
		}
	}
	currentFruit = new Fruit(randomType);
	currentFruit.gridX = gridX;
	currentFruit.gridY = gridY;
	currentFruit.x = gridX * GRID_SIZE + GRID_SIZE / 2;
	currentFruit.y = gridY * GRID_SIZE + GRID_SIZE / 2;
	game.addChild(currentFruit);
}
// Move snake
function moveSnake() {
	if (!gameRunning) return;
	var head = snake[0];
	// Autopilot logic
	if (autoPilotActive && (growthPoints.length > 0 || currentFruit)) {
		// Function to check if a position is safe
		var isSafePosition = function isSafePosition(gridX, gridY) {
			// Check walls
			if (gridX <= 0 || gridX >= COLS - 1 || gridY <= 0 || gridY >= ROWS - 1) {
				return false;
			}
			// Check snake body collision
			for (var i = 1; i < snake.length; i++) {
				if (snake[i].gridX === gridX && snake[i].gridY === gridY) {
					return false;
				}
			}
			// In autopilot mode, avoid all deadly objects
			if (autoPilotActive) {
				var worldX = gridX * GRID_SIZE + GRID_SIZE / 2;
				var worldY = gridY * GRID_SIZE + GRID_SIZE / 2;
				// Check spike collisions
				for (var s = 0; s < activeSpikes.length; s++) {
					var spike = activeSpikes[s];
					var spikeDistance = Math.sqrt(Math.pow(spike.x - worldX, 2) + Math.pow(spike.y - worldY, 2));
					if (spikeDistance < 150) {
						// Give extra buffer for autopilot
						return false;
					}
				}
				// Check lava area collisions
				for (var l = 0; l < activeLavaAreas.length; l++) {
					var lavaArea = activeLavaAreas[l];
					if (!lavaArea.isWarning) {
						// Only avoid active lava
						if (worldX >= lavaArea.x - 80 && worldX <= lavaArea.x + 1024 + 80 && worldY >= lavaArea.y - 80 && worldY <= lavaArea.y + 1366 + 80) {
							return false;
						}
					}
				}
				// Check boss rock collisions
				for (var r = 0; r < bossRocks.length; r++) {
					var rock = bossRocks[r];
					var rockDistance = Math.sqrt(Math.pow(rock.x - worldX, 2) + Math.pow(rock.y - worldY, 2));
					if (rockDistance < 120) {
						return false;
					}
				}
				// Check boss collision
				if (bossActive && currentBoss) {
					var bossDistance = Math.sqrt(Math.pow(currentBoss.x - worldX, 2) + Math.pow(currentBoss.y - worldY, 2));
					if (bossDistance < 250) {
						return false;
					}
				}
				// Check bird boss collision
				if (birdBossActive && currentBirdBoss && !purpleSnakeActive) {
					var birdDistance = Math.sqrt(Math.pow(currentBirdBoss.x - worldX, 2) + Math.pow(currentBirdBoss.y - worldY, 2));
					if (birdDistance < 200) {
						return false;
					}
				}
				// Check enemy snake collision
				if (activeEnemySnake) {
					// Check enemy head
					var enemyHeadDistance = Math.sqrt(Math.pow(activeEnemySnake.x - worldX, 2) + Math.pow(activeEnemySnake.y - worldY, 2));
					if (enemyHeadDistance < 80) {
						return false;
					}
					// Check enemy body segments
					for (var es = 0; es < activeEnemySnake.segments.length; es++) {
						var segment = activeEnemySnake.segments[es];
						var segmentDistance = Math.sqrt(Math.pow(segment.x - worldX, 2) + Math.pow(segment.y - worldY, 2));
						if (segmentDistance < 80) {
							return false;
						}
					}
				}
			}
			return true;
		};
		// Priority 1: Target growth points if available
		var targetX, targetY;
		if (growthPoints.length > 0) {
			// Find closest growth point
			var closestGrowthPoint = growthPoints[0];
			var closestDistance = Math.abs(closestGrowthPoint.gridX - head.gridX) + Math.abs(closestGrowthPoint.gridY - head.gridY);
			for (var g = 1; g < growthPoints.length; g++) {
				var distance = Math.abs(growthPoints[g].gridX - head.gridX) + Math.abs(growthPoints[g].gridY - head.gridY);
				if (distance < closestDistance) {
					closestGrowthPoint = growthPoints[g];
					closestDistance = distance;
				}
			}
			targetX = closestGrowthPoint.gridX;
			targetY = closestGrowthPoint.gridY;
		} else {
			// Priority 2: Target fruit if no growth points available
			targetX = currentFruit.gridX;
			targetY = currentFruit.gridY;
		}
		var deltaX = targetX - head.gridX;
		var deltaY = targetY - head.gridY;
		var possibleDirections = [];
		var currentDirection = snakeDirection;
		// Calculate potential moves towards fruit
		if (Math.abs(deltaX) > Math.abs(deltaY)) {
			// Prioritize horizontal movement
			if (deltaX > 0) {
				possibleDirections.push({
					x: 1,
					y: 0
				}); // Right
			} else if (deltaX < 0) {
				possibleDirections.push({
					x: -1,
					y: 0
				}); // Left
			}
			// Add vertical as backup
			if (deltaY > 0) {
				possibleDirections.push({
					x: 0,
					y: 1
				}); // Down
			} else if (deltaY < 0) {
				possibleDirections.push({
					x: 0,
					y: -1
				}); // Up
			}
		} else {
			// Prioritize vertical movement
			if (deltaY > 0) {
				possibleDirections.push({
					x: 0,
					y: 1
				}); // Down
			} else if (deltaY < 0) {
				possibleDirections.push({
					x: 0,
					y: -1
				}); // Up
			}
			// Add horizontal as backup
			if (deltaX > 0) {
				possibleDirections.push({
					x: 1,
					y: 0
				}); // Right
			} else if (deltaX < 0) {
				possibleDirections.push({
					x: -1,
					y: 0
				}); // Left
			}
		}
		// Add remaining directions as last resort
		var allDirections = [{
			x: 1,
			y: 0
		}, {
			x: -1,
			y: 0
		}, {
			x: 0,
			y: 1
		}, {
			x: 0,
			y: -1
		}];
		for (var i = 0; i < allDirections.length; i++) {
			var dir = allDirections[i];
			var found = false;
			for (var j = 0; j < possibleDirections.length; j++) {
				if (possibleDirections[j].x === dir.x && possibleDirections[j].y === dir.y) {
					found = true;
					break;
				}
			}
			if (!found) {
				possibleDirections.push(dir);
			}
		}
		// Find first safe direction with multi-step lookahead
		var newDirection = currentDirection;
		for (var i = 0; i < possibleDirections.length; i++) {
			var testDir = possibleDirections[i];
			// Don't reverse direction
			if (testDir.x === -currentDirection.x && testDir.y === -currentDirection.y) {
				continue;
			}
			var testX = head.gridX + testDir.x;
			var testY = head.gridY + testDir.y;
			if (isSafePosition(testX, testY)) {
				// For autopilot, also check if the next move after this one is safe (lookahead)
				if (autoPilotActive) {
					var canContinue = false;
					var nextDirections = [{
						x: 1,
						y: 0
					}, {
						x: -1,
						y: 0
					}, {
						x: 0,
						y: 1
					}, {
						x: 0,
						y: -1
					}];
					for (var nd = 0; nd < nextDirections.length; nd++) {
						var nextDir = nextDirections[nd];
						// Don't check reverse of current test direction
						if (nextDir.x === -testDir.x && nextDir.y === -testDir.y) {
							continue;
						}
						var nextX = testX + nextDir.x;
						var nextY = testY + nextDir.y;
						if (isSafePosition(nextX, nextY)) {
							canContinue = true;
							break;
						}
					}
					if (canContinue) {
						newDirection = testDir;
						break;
					}
				} else {
					newDirection = testDir;
					break;
				}
			}
		}
		snakeDirection = newDirection;
		nextDirection = snakeDirection;
	}
	var newGridX = head.gridX + snakeDirection.x;
	var newGridY = head.gridY + snakeDirection.y;
	// Check wall collision
	if (newGridX <= 0 || newGridX >= COLS - 1 || newGridY <= 0 || newGridY >= ROWS - 1) {
		gameOver();
		return;
	}
	// Check self collision
	for (var i = 0; i < snake.length; i++) {
		if (snake[i].gridX === newGridX && snake[i].gridY === newGridY) {
			gameOver();
			return;
		}
	}
	// Check fruit collision
	var ateFood = false;
	if (currentFruit && currentFruit.gridX === newGridX && currentFruit.gridY === newGridY) {
		// Only apple makes snake grow, other fruits don't
		ateFood = currentFruit.fruitType === 'apple';
		handleFruitEaten(currentFruit.fruitType);
	}
	// Check growth point collision
	for (var i = growthPoints.length - 1; i >= 0; i--) {
		var growthPoint = growthPoints[i];
		if (growthPoint.gridX === newGridX && growthPoint.gridY === newGridY) {
			// Apply X2 multiplier for growth (ateFood effect)
			if (x2MultiplierActive) {
				ateFood = true; // X2 makes growth points also grow the snake
			} else {
				ateFood = true;
			}
			LK.getSound('eat').play();
			// Apply X2 multiplier for score
			var pointsToAdd = x2MultiplierActive ? 2 : 1;
			LK.setScore(LK.getScore() + pointsToAdd);
			scoreTxt.setText('Score: ' + LK.getScore());
			growthPoint.destroy();
			growthPoints.splice(i, 1);
			break;
		}
	}
	// Move snake
	var newHead = new SnakeHead();
	newHead.gridX = newGridX;
	newHead.gridY = newGridY;
	newHead.x = newGridX * GRID_SIZE + GRID_SIZE / 2;
	newHead.y = newGridY * GRID_SIZE + GRID_SIZE / 2;
	newHead.setThickness(snakeThickness);
	// Convert old head to body
	var oldHead = snake[0];
	// Transfer crown status to new head
	if (oldHead.hasCrown) {
		newHead.showCrown();
	}
	// Transfer shield status to new head
	if (oldHead.hasShield) {
		newHead.activateShield(); // Add to new head first
		oldHead.removeShield(); // Remove from old head after
	}
	oldHead.destroy();
	var newBody = new SnakeSegment();
	newBody.gridX = oldHead.gridX;
	newBody.gridY = oldHead.gridY;
	newBody.x = oldHead.x;
	newBody.y = oldHead.y;
	newBody.setThickness(snakeThickness);
	game.addChild(newBody);
	snake[0] = newBody;
	// Add new head
	snake.unshift(newHead);
	game.addChild(newHead);
	if (!ateFood) {
		// Remove tail
		var tail = snake.pop();
		tail.destroy();
	}
	// Update thickness for all segments
	for (var i = 0; i < snake.length; i++) {
		snake[i].setThickness(snakeThickness);
	}
}
// Handle fruit eaten
function handleFruitEaten(fruitType) {
	LK.getSound('eat').play();
	// All fruits give 5 points (apply X2 multiplier if active)
	var pointsToAdd = x2MultiplierActive ? 10 : 5;
	LK.setScore(LK.getScore() + pointsToAdd);
	if (fruitType === 'apple') {
		// Apple: makes snake grow (ateFood stays true)
		LK.getSound('powerup').play();
	} else if (fruitType === 'pear') {
		snakeThickness += 0.2;
		LK.getSound('powerup').play();
	} else if (fruitType === 'banana') {
		snakeSpeed += 1;
		LK.getSound('powerup').play();
	} else if (fruitType === 'multicolor') {
		// Activate autopilot for 10 seconds
		autoPilotActive = true;
		autoPilotEndTime = Date.now() + 10000;
		LK.getSound('powerup').play();
		// Clean up any existing countdown
		if (countdownText) {
			countdownText.destroy();
			countdownText = null;
		}
		// Show autopilot activation feedback
		LK.effects.flashScreen(0x00ff00, 500);
	} else if (fruitType === 'coconut') {
		// Activate coconut power for 10 seconds - allows multiple growth points
		coconutPowerActive = true;
		coconutPowerEndTime = Date.now() + 10000;
		lastGrowthPointSpawn = Date.now();
		LK.getSound('powerup').play();
		// Show coconut power activation feedback
		LK.effects.flashScreen(0xffffff, 500);
	} else if (fruitType === 'orange') {
		// Activate shield for one-time protection
		var head = snake[0];
		head.activateShield();
		LK.getSound('powerup').play();
		// Show orange power activation feedback
		LK.effects.flashScreen(0xff8800, 500);
	}
	scoreTxt.setText('Score: ' + LK.getScore());
	powerTxt.setText('Speed: ' + snakeSpeed + 'x | Thickness: ' + Math.round(snakeThickness * 10) / 10 + 'x');
	// Update missions - fruits eaten
	if (!missions.fruitsEaten.completed) {
		missions.fruitsEaten.current++;
		storage.fruitsEaten = missions.fruitsEaten.current;
		if (missions.fruitsEaten.current >= missions.fruitsEaten.target) {
			missions.fruitsEaten.completed = true;
			storage.fruitsCompleted = true;
		}
	}
	// Update missions - points scored
	if (!missions.pointsScored.completed && LK.getScore() >= missions.pointsScored.target) {
		missions.pointsScored.current = LK.getScore();
		missions.pointsScored.completed = true;
		storage.pointsScored = missions.pointsScored.current;
		storage.pointsCompleted = true;
	}
	updateMissionsDisplay();
	currentFruit.destroy();
	currentFruit = null;
	spawnFruit();
}
// Update missions display
function updateMissionsDisplay() {
	if (missionsTable) {
		missionsTable.setText('MISSIONS:\n' + '• Eat 5 fruits: ' + missions.fruitsEaten.current + '/' + missions.fruitsEaten.target + (missions.fruitsEaten.completed ? ' ✓' : '') + '\n' + '• Score 300 points: ' + Math.min(missions.pointsScored.current, LK.getScore()) + '/' + missions.pointsScored.target + (missions.pointsScored.completed ? ' ✓' : '') + '\n' + '• Kill the boss: ' + missions.bossKilled.current + '/' + missions.bossKilled.target + (missions.bossKilled.completed ? ' ✓' : '') + '\n' + '• Survive 4 events: ' + missions.eventsLived.current + '/' + missions.eventsLived.target + (missions.eventsLived.completed ? ' ✓' : ''));
	}
}
// Spawn X2 event
function spawnX2Event() {
	// 50% probability check - only spawn X2 powerup half the time
	if (Math.random() < 0.5) {
		// Clear any existing X2 powerups
		for (var i = activeX2Powerups.length - 1; i >= 0; i--) {
			activeX2Powerups[i].destroy();
		}
		activeX2Powerups = [];
		// Spawn X2 powerup at random location
		var x2Powerup = new X2Powerup();
		x2Powerup.x = Math.random() * (GAME_WIDTH - 200) + 100;
		x2Powerup.y = Math.random() * (GAME_HEIGHT - 200) + 100;
		activeX2Powerups.push(x2Powerup);
		game.addChild(x2Powerup);
	}
}
// Spawn random event
function spawnEvent() {
	// Clear any existing events first to ensure only one event at a time
	for (var i = activeSpikes.length - 1; i >= 0; i--) {
		activeSpikes[i].destroy();
	}
	activeSpikes = [];
	for (var i = activeLavaAreas.length - 1; i >= 0; i--) {
		activeLavaAreas[i].destroy();
	}
	activeLavaAreas = [];
	// Clear enemy snake if active
	if (activeEnemySnake) {
		activeEnemySnake.destroy();
		activeEnemySnake = null;
	}
	// Update events survived mission
	eventsCounter++;
	if (!missions.eventsLived.completed) {
		missions.eventsLived.current = eventsCounter;
		storage.eventsLived = missions.eventsLived.current;
		if (missions.eventsLived.current >= missions.eventsLived.target) {
			missions.eventsLived.completed = true;
			storage.eventsCompleted = true;
		}
		updateMissionsDisplay();
	}
	var eventType = Math.random();
	if (eventType < 0.33) {
		// Spawn bouncing spike
		var spike = new Spike();
		spike.x = Math.random() * (GAME_WIDTH - 100) + 50;
		spike.y = Math.random() * (GAME_HEIGHT - 100) + 50;
		activeSpikes.push(spike);
		game.addChild(spike);
	} else if (eventType < 0.66) {
		// Spawn lava area in one quarter of the screen
		var lavaArea = new LavaArea();
		var quarter = Math.floor(Math.random() * 4);
		switch (quarter) {
			case 0:
				// Top-left
				lavaArea.x = 20;
				lavaArea.y = 20;
				break;
			case 1:
				// Top-right
				lavaArea.x = GAME_WIDTH / 2;
				lavaArea.y = 20;
				break;
			case 2:
				// Bottom-left
				lavaArea.x = 20;
				lavaArea.y = GAME_HEIGHT / 2;
				break;
			case 3:
				// Bottom-right
				lavaArea.x = GAME_WIDTH / 2;
				lavaArea.y = GAME_HEIGHT / 2;
				break;
		}
		activeLavaAreas.push(lavaArea);
		game.addChild(lavaArea);
		LK.getSound('lava_warning').play();
	} else {
		// Spawn enemy snake
		activeEnemySnake = new EnemySnake();
		// Spawn on opposite side from player
		var head = snake[0];
		var spawnX, spawnY;
		if (head.gridX < COLS / 2) {
			spawnX = Math.floor(COLS * 0.75);
		} else {
			spawnX = Math.floor(COLS * 0.25);
		}
		if (head.gridY < ROWS / 2) {
			spawnY = Math.floor(ROWS * 0.75);
		} else {
			spawnY = Math.floor(ROWS * 0.25);
		}
		activeEnemySnake.gridX = spawnX;
		activeEnemySnake.gridY = spawnY;
		activeEnemySnake.x = spawnX * GRID_SIZE + GRID_SIZE / 2;
		activeEnemySnake.y = spawnY * GRID_SIZE + GRID_SIZE / 2;
		game.addChild(activeEnemySnake);
	}
}
// Game over
function gameOver() {
	gameRunning = false;
	LK.showGameOver();
}
// Touch controls
game.down = function (x, y, obj) {
	touchStartX = x;
	touchStartY = y;
};
game.up = function (x, y, obj) {
	if (!gameRunning) return;
	var deltaX = x - touchStartX;
	var deltaY = y - touchStartY;
	var minSwipeDistance = 50;
	if (Math.abs(deltaX) > minSwipeDistance || Math.abs(deltaY) > minSwipeDistance) {
		if (Math.abs(deltaX) > Math.abs(deltaY)) {
			// Horizontal swipe
			if (deltaX > 0 && snakeDirection.x !== -1) {
				nextDirection = {
					x: 1,
					y: 0
				}; // Right
			} else if (deltaX < 0 && snakeDirection.x !== 1) {
				nextDirection = {
					x: -1,
					y: 0
				}; // Left
			}
		} else {
			// Vertical swipe
			if (deltaY > 0 && snakeDirection.y !== -1) {
				nextDirection = {
					x: 0,
					y: 1
				}; // Down
			} else if (deltaY < 0 && snakeDirection.y !== 1) {
				nextDirection = {
					x: 0,
					y: -1
				}; // Up
			}
		}
	}
};
// Initialize game
initSnake();
spawnFruit();
// Spawn initial growth points
for (var i = 0; i < 3; i++) {
	spawnGrowthPoint();
}
// Main game loop
game.update = function () {
	if (!gameRunning) return;
	moveCounter++;
	// Update timer display
	var gameElapsed = Date.now() - gameStartTime;
	var minutes = Math.floor(gameElapsed / 60000);
	var seconds = Math.floor(gameElapsed % 60000 / 1000);
	var timeString = (minutes < 10 ? '0' : '') + minutes + ':' + (seconds < 10 ? '0' : '') + seconds;
	timerTxt.setText('Time: ' + timeString);
	// Update next event display
	var currentTime = Date.now();
	if (birdBossActive && purpleSnakeActive) {
		nextEventTxt.setText('Purple Snake is capturing the Bird!');
	} else if (birdBossActive && !purpleSnakeActive) {
		var timeUntilPurple = Math.max(0, 35000 - (currentTime - birdBossStartTime));
		var purpleSecondsLeft = Math.ceil(timeUntilPurple / 1000);
		nextEventTxt.setText('Purple Snake arrives in ' + purpleSecondsLeft + 's');
	} else if (!bossActive && !bossDefeated) {
		var timeUntilBoss = Math.max(0, 60000 - (currentTime - gameStartTime));
		var bossSecondsLeft = Math.ceil(timeUntilBoss / 1000);
		nextEventTxt.setText('Boss arrives in ' + bossSecondsLeft + 's');
	} else if (!birdBossActive && !birdBossDefeated && bossDefeated) {
		var timeUntilBird = Math.max(0, 180000 - (currentTime - gameStartTime));
		var birdSecondsLeft = Math.ceil(timeUntilBird / 1000);
		nextEventTxt.setText('Bird Boss arrives in ' + birdSecondsLeft + 's');
	} else if (!bossActive && bossDefeated) {
		// Calculate time until next regular event
		var timeUntilEvent = Math.max(0, eventInterval - (currentTime - lastEventTime));
		var eventSecondsLeft = Math.ceil(timeUntilEvent / 1000);
		// Calculate time until next X2 event
		var timeUntilX2 = Math.max(0, x2EventInterval - (currentTime - lastX2EventTime));
		var x2SecondsLeft = Math.ceil(timeUntilX2 / 1000);
		// Show the next event that will happen first
		if (timeUntilEvent <= timeUntilX2) {
			nextEventTxt.setText('Next Event: Spike/Lava/Enemy in ' + eventSecondsLeft + 's');
		} else {
			nextEventTxt.setText('Next Event: X2 Power in ' + x2SecondsLeft + 's');
		}
	} else if (bossWarningActive) {
		nextEventTxt.setText('Next Event: BOSS INCOMING!');
	} else if (bossActive) {
		nextEventTxt.setText('Next Event: BOSS BATTLE!');
	} else {
		nextEventTxt.setText('Next Event: Boss defeated');
	}
	// Handle autopilot countdown
	if (autoPilotActive) {
		var timeLeft = autoPilotEndTime - Date.now();
		if (timeLeft <= 0) {
			autoPilotActive = false;
			if (countdownText) {
				countdownText.destroy();
				countdownText = null;
			}
		} else if (timeLeft <= 3000 && !countdownText) {
			// Show countdown when 3 seconds left
			countdownText = new Text2('3', {
				size: 120,
				fill: 0xFF0000
			});
			countdownText.anchor.set(0.5, 0.5);
			LK.gui.center.addChild(countdownText);
		}
		// Update countdown text
		if (countdownText) {
			var secondsLeft = Math.ceil(timeLeft / 1000);
			if (secondsLeft > 0) {
				countdownText.setText(secondsLeft.toString());
				// Animate countdown
				tween(countdownText, {
					scaleX: 1.2,
					scaleY: 1.2
				}, {
					duration: 200,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						if (countdownText) {
							tween(countdownText, {
								scaleX: 1,
								scaleY: 1
							}, {
								duration: 200,
								easing: tween.easeIn
							});
						}
					}
				});
			} else {
				countdownText.destroy();
				countdownText = null;
			}
		}
	}
	// Update direction (only if not in autopilot)
	if (!autoPilotActive) {
		snakeDirection = nextDirection;
	}
	// Event spawning timer - only spawn events if boss is not active
	var currentTime = Date.now();
	if (!bossActive && currentTime - lastEventTime >= eventInterval) {
		lastEventTime = currentTime;
		spawnEvent();
	}
	// X2 event spawning timer - independent of regular events
	if (!bossActive && currentTime - lastX2EventTime >= x2EventInterval) {
		lastX2EventTime = currentTime;
		spawnX2Event();
	}
	// Check spike collisions with snake
	for (var i = activeSpikes.length - 1; i >= 0; i--) {
		var spike = activeSpikes[i];
		var head = snake[0];
		// Check collision with snake head - adjust collision radius based on snake thickness
		var distance = Math.sqrt(Math.pow(spike.x - head.x, 2) + Math.pow(spike.y - head.y, 2));
		var collisionRadius = 60 * snakeThickness; // Scale collision radius with snake thickness
		if (distance < collisionRadius) {
			// Check if snake has shield protection
			if (head.hasShield) {
				// Remove shield and continue playing as extra life
				head.removeShield();
				LK.effects.flashScreen(0x87ceeb, 300);
				// Push spike away or destroy it
				spike.destroy();
				activeSpikes.splice(i, 1);
				continue;
			}
			// No shield - game over
			gameOver();
			return;
		}
	}
	// Check lava area collisions with snake
	for (var i = activeLavaAreas.length - 1; i >= 0; i--) {
		var lavaArea = activeLavaAreas[i];
		// Only check collision if lava is active (not warning)
		if (!lavaArea.isWarning) {
			var head = snake[0];
			// Check if snake head is inside lava area (larger quarter-screen area)
			if (head.x >= lavaArea.x && head.x <= lavaArea.x + 1024 && head.y >= lavaArea.y && head.y <= lavaArea.y + 1366) {
				// Check if snake has shield protection
				if (head.hasShield) {
					// Remove shield and continue playing as extra life
					head.removeShield();
					LK.effects.flashScreen(0x87ceeb, 300);
					continue;
				}
				// No shield - game over
				gameOver();
				return;
			}
		}
	}
	// Handle coconut power and growth point spawning
	var currentTime = Date.now();
	if (coconutPowerActive) {
		// Check if coconut power has expired
		if (currentTime >= coconutPowerEndTime) {
			coconutPowerActive = false;
		}
		// Spawn growth points every 2.5 seconds during coconut power
		if (currentTime - lastGrowthPointSpawn >= 2500) {
			spawnGrowthPoint();
			lastGrowthPointSpawn = currentTime;
		}
	} else {
		// Normal mode: spawn growth point only if none exist
		if (growthPoints.length === 0) {
			spawnGrowthPoint();
		}
	}
	// Bird boss timing and logic
	var timeSinceStart = Date.now() - gameStartTime;
	// Start bird boss at 3 minutes
	if (timeSinceStart >= 180000 && !birdBossActive && !birdBossDefeated) {
		birdBossActive = true;
		birdBossStartTime = Date.now();
		// Spawn bird boss at top of screen
		currentBirdBoss = new BirdBoss();
		currentBirdBoss.x = GAME_WIDTH / 2;
		currentBirdBoss.y = 100;
		game.addChild(currentBirdBoss);
	}
	// Purple snake timing - 35 seconds after bird boss starts
	if (birdBossActive && !purpleSnakeActive && Date.now() - birdBossStartTime >= 35000) {
		purpleSnakeActive = true;
		purpleSnakeSpawnTime = Date.now();
		// Spawn purple snake at edge of screen
		currentPurpleSnake = new PurpleSnake();
		currentPurpleSnake.x = GAME_WIDTH - 100;
		currentPurpleSnake.y = GAME_HEIGHT / 2;
		game.addChild(currentPurpleSnake);
	}
	// Check if purple snake reaches bird boss (defeats bird boss)
	if (birdBossActive && purpleSnakeActive && currentBirdBoss && currentPurpleSnake) {
		var distance = Math.sqrt(Math.pow(currentPurpleSnake.x - currentBirdBoss.x, 2) + Math.pow(currentPurpleSnake.y - currentBirdBoss.y, 2));
		if (distance < 150) {
			// Purple snake captures bird boss
			LK.effects.flashScreen(0x800080, 1000);
			// Animate both flying away
			tween(currentBirdBoss, {
				x: currentBirdBoss.x,
				y: -200
			}, {
				duration: 2000,
				easing: tween.easeIn
			});
			tween(currentPurpleSnake, {
				x: currentPurpleSnake.x,
				y: -200
			}, {
				duration: 2000,
				easing: tween.easeIn,
				onFinish: function onFinish() {
					if (currentBirdBoss && currentBirdBoss.parent) {
						currentBirdBoss.destroy();
					}
					if (currentPurpleSnake && currentPurpleSnake.parent) {
						currentPurpleSnake.destroy();
					}
					currentBirdBoss = null;
					currentPurpleSnake = null;
				}
			});
			birdBossActive = false;
			birdBossDefeated = true;
			purpleSnakeActive = false;
			LK.setScore(LK.getScore() + 200);
			scoreTxt.setText('Score: ' + LK.getScore());
		}
	}
	// Boss battle timing and logic
	// Start boss warning at 60 seconds
	if (timeSinceStart >= 60000 && !bossWarningActive && !bossActive && !bossDefeated) {
		bossWarningActive = true;
		bossWarningStartTime = Date.now();
		// Create warning lights in a perfect circle around boss spawn location
		var bossSpawnX = GAME_WIDTH / 2;
		var bossSpawnY = GAME_HEIGHT / 2;
		var circleRadius = 500; // Distance from boss spawn center
		for (var i = 0; i < 12; i++) {
			var light = new WarningLight();
			var angle = i / 12 * Math.PI * 2;
			light.x = bossSpawnX + Math.cos(angle) * circleRadius;
			light.y = bossSpawnY + Math.sin(angle) * circleRadius;
			warningLights.push(light);
			game.addChild(light);
		}
	}
	// End warning phase and spawn boss after 5 seconds
	if (bossWarningActive && Date.now() - bossWarningStartTime >= 5000) {
		bossWarningActive = false;
		bossActive = true;
		// Remove warning lights
		for (var i = warningLights.length - 1; i >= 0; i--) {
			warningLights[i].destroy();
		}
		warningLights = [];
		// Clear all active events when boss spawns
		for (var i = activeSpikes.length - 1; i >= 0; i--) {
			activeSpikes[i].destroy();
		}
		activeSpikes = [];
		for (var i = activeLavaAreas.length - 1; i >= 0; i--) {
			activeLavaAreas[i].destroy();
		}
		activeLavaAreas = [];
		// Spawn boss
		currentBoss = new PotatoBoss();
		currentBoss.x = GAME_WIDTH / 2;
		currentBoss.y = GAME_HEIGHT / 2;
		game.addChild(currentBoss);
		// Show health bar
		bossHealthBarBg.visible = true;
		bossHealthBar.visible = true;
	}
	// Update boss health bar
	if (bossActive && currentBoss) {
		var healthPercentage = currentBoss.health / currentBoss.maxHealth;
		bossHealthBar.scaleX = healthPercentage;
	}
	// Hide health bar when boss is defeated
	if (bossDefeated) {
		bossHealthBarBg.visible = false;
		bossHealthBar.visible = false;
	}
	// Check boss rock collisions with snake
	if (bossActive) {
		for (var i = bossRocks.length - 1; i >= 0; i--) {
			var rock = bossRocks[i];
			// Remove rocks that have been destroyed due to max bounces
			if (!rock.parent) {
				bossRocks.splice(i, 1);
				continue;
			}
			var head = snake[0];
			var distance = Math.sqrt(Math.pow(rock.x - head.x, 2) + Math.pow(rock.y - head.y, 2));
			var collisionRadius = 70 * snakeThickness; // Scale collision radius with snake thickness
			if (distance < collisionRadius) {
				// Check if snake has shield protection
				if (head.hasShield) {
					// Remove shield and continue playing as extra life
					head.removeShield();
					LK.effects.flashScreen(0x87ceeb, 300);
					// Destroy the rock
					rock.destroy();
					bossRocks.splice(i, 1);
					continue;
				}
				// No shield - game over
				gameOver();
				return;
			}
		}
	}
	// Check boss rock collisions with boss (damage boss) - only after bouncing
	if (bossActive && currentBoss) {
		for (var i = bossRocks.length - 1; i >= 0; i--) {
			var rock = bossRocks[i];
			// Comprehensive null check for currentBoss before any property access
			if (!currentBoss || !currentBoss.parent || currentBoss.x === undefined || currentBoss.y === undefined) {
				continue;
			}
			var currentIntersectingBoss = Math.sqrt(Math.pow(rock.x - currentBoss.x, 2) + Math.pow(rock.y - currentBoss.y, 2)) < 190;
			// Only damage boss if rock has bounced at least once and just started intersecting
			if (rock.bounceCount > 0 && !rock.lastIntersectingBoss && currentIntersectingBoss) {
				// Deal 25% damage (1.25 damage out of 5 total health)
				var damage = Math.ceil(currentBoss.maxHealth * 0.25);
				for (var d = 0; d < damage; d++) {
					if (currentBoss.health > 0) {
						currentBoss.takeDamage();
					}
				}
				// Remove the rock
				rock.destroy();
				bossRocks.splice(i, 1);
				continue;
			}
			// Update last intersecting state
			rock.lastIntersectingBoss = currentIntersectingBoss;
		}
	}
	// Check snake collision with boss (damage boss)
	if (bossActive && currentBoss) {
		var head = snake[0];
		var distance = Math.sqrt(Math.pow(currentBoss.x - head.x, 2) + Math.pow(currentBoss.y - head.y, 2));
		var collisionRadius = 170 * snakeThickness; // Scale collision radius with snake thickness
		if (distance < collisionRadius) {
			currentBoss.takeDamage();
			// Push snake away to prevent multiple hits
			var pushAngle = Math.atan2(head.y - currentBoss.y, head.x - currentBoss.x);
			var pushDistance = 150 * snakeThickness; // Scale push distance with snake thickness
			var newX = currentBoss.x + Math.cos(pushAngle) * pushDistance;
			var newY = currentBoss.y + Math.sin(pushAngle) * pushDistance;
			// Convert to grid position
			var gridX = Math.round(newX / GRID_SIZE);
			var gridY = Math.round(newY / GRID_SIZE);
			// Ensure within bounds
			gridX = Math.max(1, Math.min(COLS - 2, gridX));
			gridY = Math.max(1, Math.min(ROWS - 2, gridY));
			head.gridX = gridX;
			head.gridY = gridY;
			head.x = gridX * GRID_SIZE + GRID_SIZE / 2;
			head.y = gridY * GRID_SIZE + GRID_SIZE / 2;
		}
	}
	// Check snake collision with bird boss
	if (birdBossActive && currentBirdBoss && !purpleSnakeActive) {
		var head = snake[0];
		var distance = Math.sqrt(Math.pow(currentBirdBoss.x - head.x, 2) + Math.pow(currentBirdBoss.y - head.y, 2));
		var collisionRadius = 140 * snakeThickness;
		if (distance < collisionRadius) {
			// Check if snake has shield protection
			if (head.hasShield) {
				// Remove shield and continue playing as extra life
				head.removeShield();
				LK.effects.flashScreen(0x87ceeb, 300);
			} else {
				gameOver();
				return;
			}
		}
	}
	// Update points mission continuously
	if (!missions.pointsScored.completed) {
		missions.pointsScored.current = LK.getScore();
		storage.pointsScored = missions.pointsScored.current;
		if (missions.pointsScored.current >= missions.pointsScored.target) {
			missions.pointsScored.completed = true;
			storage.pointsCompleted = true;
			updateMissionsDisplay();
		}
	}
	// Check X2 powerup collision
	if (activeX2Powerups.length > 0 && snake.length > 0) {
		var head = snake[0];
		for (var i = activeX2Powerups.length - 1; i >= 0; i--) {
			var x2Powerup = activeX2Powerups[i];
			var distance = Math.sqrt(Math.pow(x2Powerup.x - head.x, 2) + Math.pow(x2Powerup.y - head.y, 2));
			var collisionRadius = 80 * snakeThickness; // Scale collision radius with snake thickness
			if (distance < collisionRadius) {
				// X2 powerup collected
				x2MultiplierActive = true;
				x2MultiplierEndTime = Date.now() + 10000; // 10 seconds
				LK.getSound('powerup').play();
				LK.effects.flashScreen(0xff0000, 500);
				x2Powerup.destroy();
				activeX2Powerups.splice(i, 1);
				break;
			}
		}
	}
	// Handle X2 multiplier expiration
	if (x2MultiplierActive && Date.now() >= x2MultiplierEndTime) {
		x2MultiplierActive = false;
	}
	// Check enemy snake collision with player
	if (activeEnemySnake && snake.length > 0) {
		var head = snake[0];
		var headDistance = Math.sqrt(Math.pow(activeEnemySnake.x - head.x, 2) + Math.pow(activeEnemySnake.y - head.y, 2));
		var collisionRadius = 50 * snakeThickness;
		// Check collision with enemy snake head
		if (headDistance < collisionRadius) {
			// Check if snake has shield protection
			if (head.hasShield) {
				// Remove shield and continue playing as extra life
				head.removeShield();
				LK.effects.flashScreen(0x87ceeb, 300);
			} else {
				gameOver();
				return;
			}
		}
		// Check collision with enemy snake body segments
		for (var i = 0; i < activeEnemySnake.segments.length; i++) {
			var segment = activeEnemySnake.segments[i];
			var segmentDistance = Math.sqrt(Math.pow(segment.x - head.x, 2) + Math.pow(segment.y - head.y, 2));
			if (segmentDistance < collisionRadius) {
				// Check if snake has shield protection
				if (head.hasShield) {
					// Remove shield and continue playing as extra life
					head.removeShield();
					LK.effects.flashScreen(0x87ceeb, 300);
					break;
				} else {
					gameOver();
					return;
				}
			}
		}
	}
	// Check crown drop collision
	if (crownDrop && snake.length > 0) {
		var head = snake[0];
		var distance = Math.sqrt(Math.pow(crownDrop.x - head.x, 2) + Math.pow(crownDrop.y - head.y, 2));
		var collisionRadius = 80 * snakeThickness; // Scale collision radius with snake thickness
		if (distance < collisionRadius) {
			// Crown collected
			LK.setScore(LK.getScore() + 50);
			scoreTxt.setText('Score: ' + LK.getScore());
			LK.getSound('powerup').play();
			// Show crown on snake head
			head.showCrown();
			crownDrop.destroy();
			crownDrop = null;
		}
	}
	// Check if all missions are completed for win condition
	if (missions.fruitsEaten.completed && missions.pointsScored.completed && missions.bossKilled.completed && missions.eventsLived.completed) {
		LK.showYouWin();
		return;
	}
	// Move snake based on speed
	var moveInterval = Math.max(3, 15 - snakeSpeed);
	if (moveCounter >= moveInterval) {
		moveCounter = 0;
		moveSnake();
	}
};