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

/**** 
* Classes
****/ 
var ConveyorBelt = Container.expand(function () {
	var self = Container.call(this);
	var beltGraphics = self.attachAsset('conveyorBelt', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.seedTimer = 0;
	self.seedGenerateRate = 600; // 10 seconds at 60fps
	// Available seeds for boss level - excluding sun producers (sunflower, sunshroom)
	self.availableSeeds = ['wallnut', 'carnivorousplant', 'doomshroom', 'melonpulta', 'coltapulta', 'lanzamaiz'];
	// Create text display for seed feedback
	var seedText = new Text2('', {
		size: 40,
		fill: 0xFFFFFF
	});
	seedText.anchor.set(0.5, 0.5);
	seedText.x = 0;
	seedText.y = -60; // Above the conveyor belt
	seedText.alpha = 0; // Start invisible
	self.addChild(seedText);
	// Create plant display on conveyor belt
	var plantDisplay = null; // Will hold the current plant image
	self.update = function () {
		self.seedTimer++;
		if (self.seedTimer >= self.seedGenerateRate) {
			self.seedTimer = 0;
			// Generate random seed
			var randomSeed = self.availableSeeds[Math.floor(Math.random() * self.availableSeeds.length)];
			// Reset cooldown for this seed type - properly reset it
			seedCooldowns[randomSeed] = 0;
			// Automatically select this plant type for placement
			selectedPlantType = randomSeed;
			shovelSelected = false;
			// Remove previous plant display if it exists
			if (plantDisplay) {
				plantDisplay.destroy();
				plantDisplay = null;
			}
			// Create new plant display on conveyor belt
			plantDisplay = LK.getAsset(randomSeed, {
				anchorX: 0.5,
				anchorY: 0.5,
				scaleX: 0.8,
				scaleY: 0.8,
				alpha: 0
			});
			plantDisplay.x = 0;
			plantDisplay.y = 0; // Center on conveyor belt
			self.addChild(plantDisplay);
			// Show clear text feedback of which seed was given
			var seedDisplayName = randomSeed.toUpperCase();
			if (randomSeed === 'carnivorousplant') seedDisplayName = 'CARNIVOROUS PLANT';
			if (randomSeed === 'doomshroom') seedDisplayName = 'DOOM SHROOM';
			if (randomSeed === 'melonpulta') seedDisplayName = 'MELON PULTA';
			if (randomSeed === 'coltapulta') seedDisplayName = 'COL TAPULTA';
			if (randomSeed === 'lanzamaiz') seedDisplayName = 'LANZA MAIZ';
			seedText.setText(seedDisplayName + ' SEED!');
			// Show plant image with fade in animation
			tween(plantDisplay, {
				alpha: 1,
				scaleX: 1.0,
				scaleY: 1.0
			}, {
				duration: 300,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					// Keep plant visible for 3 seconds, then fade out
					tween(plantDisplay, {
						alpha: 0,
						scaleX: 0.6,
						scaleY: 0.6
					}, {
						duration: 1500,
						easing: tween.easeIn,
						onFinish: function onFinish() {
							if (plantDisplay) {
								plantDisplay.destroy();
								plantDisplay = null;
							}
						}
					});
				}
			});
			// Show text with fade in animation
			tween(seedText, {
				alpha: 1,
				scaleX: 1.2,
				scaleY: 1.2
			}, {
				duration: 200,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					// Keep text visible for 2 seconds, then fade out
					tween(seedText, {
						alpha: 0,
						scaleX: 1,
						scaleY: 1
					}, {
						duration: 1000,
						easing: tween.easeIn
					});
				}
			});
			// Visual flash effect to show seed was given
			tween(self, {
				scaleX: 1.2,
				scaleY: 1.2,
				tint: 0x00ff00
			}, {
				duration: 300,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(self, {
						scaleX: 1,
						scaleY: 1,
						tint: 0xffffff
					}, {
						duration: 300,
						easing: tween.easeIn
					});
				}
			});
		}
	};
	return self;
});
var Fireball = Container.expand(function () {
	var self = Container.call(this);
	var fireballGraphics = self.attachAsset('fireball', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -6;
	self.damage = 50;
	self.update = function () {
		self.x += self.speed;
		self.rotation += 0.2; // Spinning effect
		// Fireball trail effect
		if (LK.ticks % 5 === 0) {
			tween(self, {
				tint: 0xff8c00
			}, {
				duration: 100,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(self, {
						tint: 0xff4500
					}, {
						duration: 100,
						easing: tween.easeIn
					});
				}
			});
		}
		if (self.x < -100) {
			self.destroy();
		}
	};
	return self;
});
var Lawnmower = Container.expand(function () {
	var self = Container.call(this);
	var lawnmowerGraphics = self.attachAsset('lawnmower', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 0; // Starts stationary
	self.activated = false;
	self.update = function () {
		if (self.activated) {
			self.x += 12; // Move fast when activated
			if (self.x > 2200) {
				self.destroy();
			}
		}
	};
	return self;
});
var LevelButton = Container.expand(function (levelNumber) {
	var self = Container.call(this);
	// Level button background
	var buttonBg = LK.getAsset('gridCell', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.2,
		scaleY: 1.2
	});
	self.addChild(buttonBg);
	// Level number text
	var levelText = new Text2(levelNumber.toString(), {
		size: 60,
		fill: 0x000000
	});
	levelText.anchor.set(0.5, 0.5);
	self.addChild(levelText);
	self.levelNumber = levelNumber;
	self.down = function (x, y, obj) {
		// Start the selected level
		startLevel(self.levelNumber);
	};
	return self;
});
var LoadingScreen = Container.expand(function () {
	var self = Container.call(this);
	// Loading logo image
	var loadingLogo = self.attachAsset('loadingLogo', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	loadingLogo.x = 1024;
	loadingLogo.y = 800;
	// Loading bar background
	var loadingBarBg = self.attachAsset('loadingBarBg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	loadingBarBg.x = 1024;
	loadingBarBg.y = 1400;
	// Loading bar fill
	var loadingBar = self.attachAsset('loadingBar', {
		anchorX: 0,
		anchorY: 0.5
	});
	loadingBar.x = 724; // Start at left edge of background
	loadingBar.y = 1400;
	loadingBar.width = 0; // Start with no fill
	// Loading text
	var loadingText = new Text2('CARGANDO...', {
		size: 80,
		fill: 0xFFFFFF
	});
	loadingText.anchor.set(0.5, 0.5);
	loadingText.x = 1024;
	loadingText.y = 1200;
	self.addChild(loadingText);
	// Progress text
	var progressText = new Text2('0%', {
		size: 60,
		fill: 0xFFFFFF
	});
	progressText.anchor.set(0.5, 0.5);
	progressText.x = 1024;
	progressText.y = 1500;
	self.addChild(progressText);
	self.progress = 0;
	self.maxProgress = 300; // 5 seconds at 60fps
	self.currentProgress = 0;
	self.update = function () {
		if (self.currentProgress < self.maxProgress) {
			self.currentProgress++;
			self.progress = self.currentProgress / self.maxProgress;
			// Update loading bar width
			loadingBar.width = 600 * self.progress;
			// Update progress text
			var percentage = Math.floor(self.progress * 100);
			progressText.setText(percentage + '%');
			// Loading complete
			if (self.currentProgress >= self.maxProgress) {
				// Transition to level selection
				showLevelSelection();
			}
		}
	};
	return self;
});
var Pea = Container.expand(function () {
	var self = Container.call(this);
	var peaGraphics = self.attachAsset('pea', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 8;
	self.damage = 20;
	self.update = function () {
		self.x += self.speed;
		if (self.x > 2200) {
			self.destroy();
		}
	};
	return self;
});
var Plant = Container.expand(function (type) {
	var self = Container.call(this);
	self.type = type;
	self.health = 100;
	self.maxHealth = 100;
	self.shootCooldown = 0;
	self.sunTimer = 0;
	var plantGraphics;
	if (type === 'sunflower') {
		plantGraphics = self.attachAsset('sunflower', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.sunGenerateRate = 300; // ticks between sun generation
	} else if (type === 'peashooter') {
		plantGraphics = self.attachAsset('peashooter', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.shootRate = 90; // ticks between shots
	} else if (type === 'wallnut') {
		plantGraphics = self.attachAsset('wallnut', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.health = 300;
		self.maxHealth = 300;
	} else if (type === 'potatomine') {
		plantGraphics = self.attachAsset('potatomine', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.health = 50;
		self.maxHealth = 50;
		self.exploded = false;
	} else if (type === 'carnivorousplant') {
		plantGraphics = self.attachAsset('carnivorousplant', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.health = 200;
		self.maxHealth = 200;
		self.attackCooldown = 0;
		self.attackRange = 100;
	} else if (type === 'doomshroom') {
		plantGraphics = self.attachAsset('doomshroom', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.health = 100;
		self.maxHealth = 100;
		self.exploded = false;
		self.armingTime = 900; // 15 seconds to arm
		self.currentArmingTime = 0;
	} else if (type === 'repeater') {
		plantGraphics = self.attachAsset('repeater', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.shootRate = 90; // Same as peashooter
	} else if (type === 'threepeater') {
		plantGraphics = self.attachAsset('threepeater', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.shootRate = 120; // Slightly slower due to triple shot
	} else if (type === 'spikeweed') {
		plantGraphics = self.attachAsset('spikeweed', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.health = 300;
		self.maxHealth = 300;
	} else if (type === 'splitpeater') {
		plantGraphics = self.attachAsset('splitpeater', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.shootRate = 120; // Similar to threepeater
	} else if (type === 'lilypad') {
		plantGraphics = self.attachAsset('lilypad', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.health = 50;
		self.maxHealth = 50;
	} else if (type === 'puffshroom') {
		plantGraphics = self.attachAsset('puffshroom', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.shootRate = 60; // Faster than peashooter but shorter range
		self.range = 300; // Limited range
	} else if (type === 'sunshroom') {
		plantGraphics = self.attachAsset('sunshroom', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.sunGenerateRate = 150; // Faster than sunflower but produces less
		self.sunValue = 15; // Produces less sun than sunflower
	} else if (type === 'fumeshroom') {
		plantGraphics = self.attachAsset('fumeshroom', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.shootRate = 120; // Slower but affects multiple zombies
	} else if (type === 'gravebuster') {
		plantGraphics = self.attachAsset('gravebuster', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.health = 1; // Dies after one use
		self.maxHealth = 1;
	} else if (type === 'hypnoshroom') {
		plantGraphics = self.attachAsset('hypnoshroom', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.health = 50;
		self.maxHealth = 50;
	} else if (type === 'scaredyshroom') {
		plantGraphics = self.attachAsset('scaredyshroom', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.shootRate = 60;
	} else if (type === 'iceshroom') {
		plantGraphics = self.attachAsset('iceshroom', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.health = 1;
		self.maxHealth = 1;
	} else if (type === 'melonpulta') {
		plantGraphics = self.attachAsset('melonpulta', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.shootRate = 180; // Slower but more powerful
		self.projectileDamage = 80; // High damage
	} else if (type === 'coltapulta') {
		plantGraphics = self.attachAsset('coltapulta', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.shootRate = 240; // Slower rate
		self.projectileDamage = 60; // Medium damage
	} else if (type === 'lanzamaiz') {
		plantGraphics = self.attachAsset('lanzamaiz', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.shootRate = 150; // Fast rate
		self.projectileDamage = 40; // Lower damage but faster
	} else if (type === 'pot') {
		plantGraphics = self.attachAsset('pot', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.health = 50;
		self.maxHealth = 50;
	}
	self.takeDamage = function (damage) {
		self.health -= damage;
		if (self.health <= 0) {
			self.destroy();
			return true;
		}
		return false;
	};
	self.update = function () {
		if (self.type === 'sunflower') {
			self.sunTimer++;
			if (self.sunTimer >= self.sunGenerateRate) {
				self.sunTimer = 0;
				var newSun = new Sun();
				newSun.x = self.x + Math.random() * 40 - 20;
				newSun.y = self.y + Math.random() * 40 - 20;
				game.addChild(newSun);
				suns.push(newSun);
			}
		} else if (self.type === 'peashooter') {
			self.shootCooldown++;
			if (self.shootCooldown >= self.shootRate) {
				// Check if there's a zombie in this row
				var myRow = Math.floor((self.y - 500) / 140);
				var hasZombieInRow = false;
				for (var i = 0; i < zombies.length; i++) {
					var zombie = zombies[i];
					var zombieRow = Math.floor((zombie.y - 500) / 140);
					if (zombieRow === myRow && zombie.x > self.x) {
						hasZombieInRow = true;
						break;
					}
				}
				if (hasZombieInRow) {
					self.shootCooldown = 0;
					// Fisheye shooting effect
					tween(self, {
						scaleX: 1.3,
						scaleY: 0.7
					}, {
						duration: 150,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							tween(self, {
								scaleX: 1,
								scaleY: 1
							}, {
								duration: 150,
								easing: tween.easeIn
							});
						}
					});
					var pea = new Pea();
					pea.x = self.x + 60;
					pea.y = self.y;
					game.addChild(pea);
					peas.push(pea);
					LK.getSound('shoot').play();
				}
			}
		} else if (self.type === 'repeater') {
			self.shootCooldown++;
			if (self.shootCooldown >= self.shootRate) {
				// Check if there's a zombie in this row
				var myRow = Math.floor((self.y - 500) / 140);
				var hasZombieInRow = false;
				for (var i = 0; i < zombies.length; i++) {
					var zombie = zombies[i];
					var zombieRow = Math.floor((zombie.y - 500) / 140);
					if (zombieRow === myRow && zombie.x > self.x) {
						hasZombieInRow = true;
						break;
					}
				}
				if (hasZombieInRow) {
					self.shootCooldown = 0;
					// Fisheye shooting effect
					tween(self, {
						scaleX: 1.3,
						scaleY: 0.7
					}, {
						duration: 150,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							tween(self, {
								scaleX: 1,
								scaleY: 1
							}, {
								duration: 150,
								easing: tween.easeIn
							});
						}
					});
					// Shoot two peas with slight delay
					var pea1 = new Pea();
					pea1.x = self.x + 60;
					pea1.y = self.y;
					game.addChild(pea1);
					peas.push(pea1);
					// Second pea with slight delay
					LK.setTimeout(function () {
						var pea2 = new Pea();
						pea2.x = self.x + 60;
						pea2.y = self.y;
						game.addChild(pea2);
						peas.push(pea2);
					}, 150);
					LK.getSound('shoot').play();
				}
			}
		} else if (self.type === 'threepeater') {
			self.shootCooldown++;
			if (self.shootCooldown >= self.shootRate) {
				// Check if there's a zombie in any of the three rows (current, above, below)
				var myRow = Math.floor((self.y - 500) / 140);
				var hasZombieInAnyRow = false;
				for (var i = 0; i < zombies.length; i++) {
					var zombie = zombies[i];
					var zombieRow = Math.floor((zombie.y - 500) / 140);
					if ((zombieRow === myRow || zombieRow === myRow - 1 || zombieRow === myRow + 1) && zombie.x > self.x) {
						hasZombieInAnyRow = true;
						break;
					}
				}
				if (hasZombieInAnyRow) {
					self.shootCooldown = 0;
					// Fisheye shooting effect
					tween(self, {
						scaleX: 1.3,
						scaleY: 0.7
					}, {
						duration: 150,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							tween(self, {
								scaleX: 1,
								scaleY: 1
							}, {
								duration: 150,
								easing: tween.easeIn
							});
						}
					});
					// Shoot three peas - center, above, below
					var centerPea = new Pea();
					centerPea.x = self.x + 60;
					centerPea.y = self.y;
					game.addChild(centerPea);
					peas.push(centerPea);
					// Above pea (if row exists)
					if (myRow > 0) {
						var abovePea = new Pea();
						abovePea.x = self.x + 60;
						abovePea.y = self.y - 140;
						game.addChild(abovePea);
						peas.push(abovePea);
					}
					// Below pea (if row exists)
					if (myRow < gridRows - 1) {
						var belowPea = new Pea();
						belowPea.x = self.x + 60;
						belowPea.y = self.y + 140;
						game.addChild(belowPea);
						peas.push(belowPea);
					}
					LK.getSound('shoot').play();
				}
			}
		} else if (self.type === 'potatomine' && !self.exploded) {
			// Check for zombies stepping on the mine
			var myRow = Math.floor((self.y - 500) / 140);
			for (var i = 0; i < zombies.length; i++) {
				var zombie = zombies[i];
				var zombieRow = Math.floor((zombie.y - 500) / 140);
				if (zombieRow === myRow && Math.abs(self.x - zombie.x) < 80) {
					// Explode!
					self.exploded = true;
					LK.getSound('explode').play();
					// Create explosion visual effect
					tween(self, {
						scaleX: 3,
						scaleY: 3,
						alpha: 0
					}, {
						duration: 500,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							for (var k = plants.length - 1; k >= 0; k--) {
								if (plants[k] === self) {
									plants.splice(k, 1);
									self.destroy();
									break;
								}
							}
						}
					});
					LK.effects.flashObject(self, 0xFF4500, 500);
					// Damage all zombies in the area
					for (var j = zombies.length - 1; j >= 0; j--) {
						var targetZombie = zombies[j];
						var distance = Math.sqrt(Math.pow(self.x - targetZombie.x, 2) + Math.pow(self.y - targetZombie.y, 2));
						if (distance < 120) {
							if (targetZombie.takeDamage(200)) {
								targetZombie.destroy();
								zombies.splice(j, 1);
							}
						}
					}
					break;
				}
			}
		} else if (self.type === 'carnivorousplant') {
			self.attackCooldown++;
			if (self.attackCooldown >= 180) {
				// Attack every 3 seconds
				var myRow = Math.floor((self.y - 500) / 140);
				var closestZombie = null;
				var closestDistance = Infinity;
				for (var i = 0; i < zombies.length; i++) {
					var zombie = zombies[i];
					var zombieRow = Math.floor((zombie.y - 500) / 140);
					if (zombieRow === myRow) {
						var distance = Math.abs(self.x - zombie.x);
						if (distance < self.attackRange && distance < closestDistance) {
							closestDistance = distance;
							closestZombie = zombie;
						}
					}
				}
				if (closestZombie) {
					self.attackCooldown = 0;
					// Attack animation
					tween(self, {
						scaleX: 1.5,
						scaleY: 1.5
					}, {
						duration: 200,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							tween(self, {
								scaleX: 1,
								scaleY: 1
							}, {
								duration: 200,
								easing: tween.easeIn
							});
						}
					});
					if (closestZombie.takeDamage(100)) {
						for (var j = zombies.length - 1; j >= 0; j--) {
							if (zombies[j] === closestZombie) {
								closestZombie.destroy();
								zombies.splice(j, 1);
								break;
							}
						}
					}
				}
			}
		} else if (self.type === 'doomshroom' && !self.exploded) {
			self.currentArmingTime++;
			if (self.currentArmingTime >= self.armingTime) {
				// Doom shroom is now armed and explodes
				self.exploded = true;
				LK.getSound('explode').play();
				// Create massive explosion visual effect
				tween(self, {
					scaleX: 8,
					scaleY: 8,
					alpha: 0
				}, {
					duration: 1000,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						for (var k = plants.length - 1; k >= 0; k--) {
							if (plants[k] === self) {
								plants.splice(k, 1);
								self.destroy();
								break;
							}
						}
					}
				});
				LK.effects.flashScreen(0x4B0082, 1000);
				// Damage all zombies on screen
				for (var j = zombies.length - 1; j >= 0; j--) {
					var targetZombie = zombies[j];
					if (targetZombie.takeDamage(300)) {
						targetZombie.destroy();
						zombies.splice(j, 1);
					}
				}
			}
		} else if (self.type === 'spikeweed') {
			// Damage zombies walking over spikeweed - but don't stop them
			var myRow = Math.floor((self.y - 500) / 140);
			for (var i = 0; i < zombies.length; i++) {
				var zombie = zombies[i];
				var zombieRow = Math.floor((zombie.y - 500) / 140);
				if (zombieRow === myRow && Math.abs(self.x - zombie.x) < 70) {
					// Only damage zombie if it hasn't been damaged by this spikeweed recently
					if (!zombie.lastSpikeweeedDamageTime || LK.ticks - zombie.lastSpikeweeedDamageTime > 30) {
						zombie.lastSpikeweeedDamageTime = LK.ticks;
						if (zombie.takeDamage(20)) {
							for (var j = zombies.length - 1; j >= 0; j--) {
								if (zombies[j] === zombie) {
									zombie.destroy();
									zombies.splice(j, 1);
									break;
								}
							}
						}
						// Damage spikeweed when used
						if (self.takeDamage(1)) {
							for (var k = plants.length - 1; k >= 0; k--) {
								if (plants[k] === self) {
									plants.splice(k, 1);
									self.destroy();
									break;
								}
							}
						}
					}
				}
			}
		} else if (self.type === 'splitpeater') {
			self.shootCooldown++;
			if (self.shootCooldown >= self.shootRate) {
				// Check if there's a zombie in front or behind
				var myRow = Math.floor((self.y - 500) / 140);
				var hasZombieInFront = false;
				var hasZombieBehind = false;
				for (var i = 0; i < zombies.length; i++) {
					var zombie = zombies[i];
					var zombieRow = Math.floor((zombie.y - 500) / 140);
					if (zombieRow === myRow) {
						if (zombie.x > self.x) {
							hasZombieInFront = true;
						} else if (zombie.x < self.x) {
							hasZombieBehind = true;
						}
					}
				}
				if (hasZombieInFront || hasZombieBehind) {
					self.shootCooldown = 0;
					// Fisheye shooting effect
					tween(self, {
						scaleX: 1.3,
						scaleY: 0.7
					}, {
						duration: 150,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							tween(self, {
								scaleX: 1,
								scaleY: 1
							}, {
								duration: 150,
								easing: tween.easeIn
							});
						}
					});
					// Shoot forward if zombie in front
					if (hasZombieInFront) {
						var forwardPea = new Pea();
						forwardPea.x = self.x + 60;
						forwardPea.y = self.y;
						game.addChild(forwardPea);
						peas.push(forwardPea);
					}
					// Shoot backward if zombie behind
					if (hasZombieBehind) {
						var backwardPea = new Pea();
						backwardPea.x = self.x - 60;
						backwardPea.y = self.y;
						backwardPea.speed = -8; // Negative speed for backward movement
						game.addChild(backwardPea);
						peas.push(backwardPea);
					}
					LK.getSound('shoot').play();
				}
			}
		} else if (self.type === 'puffshroom') {
			self.shootCooldown++;
			if (self.shootCooldown >= self.shootRate) {
				var myRow = Math.floor((self.y - 500) / 140);
				var hasZombieInRange = false;
				for (var i = 0; i < zombies.length; i++) {
					var zombie = zombies[i];
					var zombieRow = Math.floor((zombie.y - 500) / 140);
					if (zombieRow === myRow && zombie.x > self.x && zombie.x - self.x < self.range) {
						hasZombieInRange = true;
						break;
					}
				}
				if (hasZombieInRange) {
					self.shootCooldown = 0;
					var pea = new Pea();
					pea.x = self.x + 60;
					pea.y = self.y;
					game.addChild(pea);
					peas.push(pea);
					LK.getSound('shoot').play();
				}
			}
		} else if (self.type === 'sunshroom') {
			self.sunTimer++;
			if (self.sunTimer >= self.sunGenerateRate) {
				self.sunTimer = 0;
				var newSun = new Sun();
				newSun.value = self.sunValue;
				newSun.x = self.x + Math.random() * 40 - 20;
				newSun.y = self.y + Math.random() * 40 - 20;
				game.addChild(newSun);
				suns.push(newSun);
			}
		} else if (self.type === 'gravebuster') {
			// Check for tombstones to destroy
			var myRow = Math.floor((self.y - gridStartY + cellSize / 2) / cellSize);
			var myCol = Math.floor((self.x - gridStartX + cellSize / 2) / cellSize);
			for (var i = tombstones.length - 1; i >= 0; i--) {
				var tombstone = tombstones[i];
				var tombstoneRow = Math.floor((tombstone.y - gridStartY + cellSize / 2) / cellSize);
				var tombstoneCol = Math.floor((tombstone.x - gridStartX + cellSize / 2) / cellSize);
				if (tombstoneRow === myRow && tombstoneCol === myCol) {
					// Destroy tombstone
					tombstone.destroy();
					tombstones.splice(i, 1);
					// Destroy gravebuster after use
					for (var j = plants.length - 1; j >= 0; j--) {
						if (plants[j] === self) {
							plants.splice(j, 1);
							self.destroy();
							break;
						}
					}
					break;
				}
			}
		} else if (self.type === 'scaredyshroom') {
			self.shootCooldown++;
			if (self.shootCooldown >= self.shootRate) {
				var myRow = Math.floor((self.y - 500) / 140);
				var hasZombieInRow = false;
				var zombieTooClose = false;
				for (var i = 0; i < zombies.length; i++) {
					var zombie = zombies[i];
					var zombieRow = Math.floor((zombie.y - 500) / 140);
					if (zombieRow === myRow && zombie.x > self.x) {
						hasZombieInRow = true;
						if (zombie.x - self.x < 200) {
							zombieTooClose = true;
						}
						break;
					}
				}
				if (hasZombieInRow && !zombieTooClose) {
					self.shootCooldown = 0;
					var pea = new Pea();
					pea.x = self.x + 60;
					pea.y = self.y;
					game.addChild(pea);
					peas.push(pea);
					LK.getSound('shoot').play();
				}
			}
		} else if (self.type === 'melonpulta' || self.type === 'coltapulta' || self.type === 'lanzamaiz') {
			self.shootCooldown++;
			if (self.shootCooldown >= self.shootRate) {
				// Check if there's a zombie in this row
				var myRow = Math.floor((self.y - 500) / 140);
				var hasZombieInRow = false;
				for (var i = 0; i < zombies.length; i++) {
					var zombie = zombies[i];
					var zombieRow = Math.floor((zombie.y - 500) / 140);
					if (zombieRow === myRow && zombie.x > self.x) {
						hasZombieInRow = true;
						break;
					}
				}
				if (hasZombieInRow) {
					self.shootCooldown = 0;
					// Catapult shooting animation
					tween(self, {
						scaleX: 1.3,
						scaleY: 0.7
					}, {
						duration: 150,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							tween(self, {
								scaleX: 1,
								scaleY: 1
							}, {
								duration: 150,
								easing: tween.easeIn
							});
						}
					});
					var pea = new Pea();
					pea.damage = self.projectileDamage; // Use custom damage
					pea.x = self.x + 60;
					pea.y = self.y;
					game.addChild(pea);
					peas.push(pea);
					LK.getSound('shoot').play();
				}
			}
		}
	};
	return self;
});
var RobotBoss = Container.expand(function () {
	var self = Container.call(this);
	var bossGraphics = self.attachAsset('robotBoss', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 1000;
	self.maxHealth = 1000;
	self.attackTimer = 0;
	self.attackRate = 240; // 4 seconds between attacks
	self.mouthOpen = false;
	self.takeDamage = function (damage) {
		self.health -= damage;
		// Flash red when taking damage
		tween(self, {
			tint: 0xff0000
		}, {
			duration: 200,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(self, {
					tint: 0xffffff
				}, {
					duration: 200,
					easing: tween.easeIn
				});
			}
		});
		if (self.health <= 0) {
			// Boss death animation
			tween(self, {
				scaleX: 2,
				scaleY: 2,
				alpha: 0,
				rotation: Math.PI
			}, {
				duration: 2000,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					self.destroy();
					// Trigger win condition
					if (gameState === 'playing') {
						gameState = 'won';
						LK.showYouWin();
					}
				}
			});
			return true;
		}
		return false;
	};
	self.update = function () {
		self.attackTimer++;
		if (self.attackTimer >= self.attackRate) {
			self.attackTimer = 0;
			// Randomly choose between fireball attack or zombie spawn
			if (Math.random() < 0.6) {
				// Show red circle where fireball will land at random position
				var landingIndicators = [];
				var fireballTargets = []; // Store target position for fireball
				// Generate random target position within grid area
				var targetX = gridStartX + Math.random() * (gridCols * cellSize);
				var targetY = gridStartY + Math.random() * (gridRows * cellSize);
				fireballTargets.push({
					x: targetX,
					y: targetY
				});
				var indicator = LK.getAsset('fireball', {
					anchorX: 0.5,
					anchorY: 0.5,
					x: targetX,
					y: targetY,
					scaleX: 2,
					scaleY: 2,
					tint: 0xff0000,
					alpha: 0.7
				});
				game.addChild(indicator);
				landingIndicators.push(indicator);
				// Open mouth animation for fireball attack
				self.mouthOpen = true;
				tween(self, {
					scaleY: 1.3,
					tint: 0xff4500
				}, {
					duration: 500,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						// Remove landing indicator
						for (var k = 0; k < landingIndicators.length; k++) {
							landingIndicators[k].destroy();
						}
						// Spit single fireball toward random target position from boss mouth
						var fireball = new Fireball();
						fireball.x = self.x - 80; // Spawn from mouth area (further left from center)
						fireball.y = self.y - 50; // Spawn from mouth height (upper part of boss)
						game.addChild(fireball);
						fireballs.push(fireball);
						// Close mouth
						tween(self, {
							scaleY: 1,
							tint: 0xffffff
						}, {
							duration: 300,
							easing: tween.easeIn,
							onFinish: function onFinish() {
								self.mouthOpen = false;
							}
						});
					}
				});
			} else {
				// Spawn zombies including Zombistein
				var zombieTypes = ['normal', 'fast', 'snailBucket', 'zombistein'];
				var randomType = zombieTypes[Math.floor(Math.random() * zombieTypes.length)];
				var newZombie = new Zombie(randomType);
				newZombie.x = 2100;
				newZombie.y = gridStartY + Math.floor(Math.random() * gridRows) * cellSize;
				game.addChild(newZombie);
				zombies.push(newZombie);
				// Boss spawn effect
				tween(self, {
					tint: 0x8000ff
				}, {
					duration: 200,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						tween(self, {
							tint: 0xffffff
						}, {
							duration: 200,
							easing: tween.easeIn
						});
					}
				});
			}
		}
		// Update boss health display
		if (bossHealthDisplay) {
			bossHealthDisplay.setText('Boss Health: ' + self.health + '/' + self.maxHealth);
		}
	};
	return self;
});
var Sun = Container.expand(function () {
	var self = Container.call(this);
	var sunGraphics = self.attachAsset('sun', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.value = 25;
	self.collected = false;
	self.lifeTimer = 0;
	self.maxLifeTime = 300; // 5 seconds at 60 FPS
	self.update = function () {
		if (!self.collected) {
			self.lifeTimer++;
			if (self.lifeTimer >= self.maxLifeTime) {
				self.collected = true;
				self.destroy();
			}
		}
	};
	self.down = function (x, y, obj) {
		if (!self.collected) {
			self.collected = true;
			sunPoints += self.value;
			updateSunDisplay();
			LK.getSound('collect').play();
			self.destroy();
		}
	};
	return self;
});
var Tombstone = Container.expand(function () {
	var self = Container.call(this);
	var tombstoneGraphics = self.attachAsset('tombstone', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 100;
	self.maxHealth = 100;
	self.takeDamage = function (damage) {
		self.health -= damage;
		if (self.health <= 0) {
			self.destroy();
			return true;
		}
		return false;
	};
	return self;
});
var Zombie = Container.expand(function (type) {
	var self = Container.call(this);
	self.type = type || 'normal';
	self.health = 100;
	self.maxHealth = 100;
	self.speed = -1;
	self.attackDamage = 25;
	self.attackCooldown = 0;
	self.isAttacking = false;
	var zombieGraphics;
	if (self.type === 'fast') {
		zombieGraphics = self.attachAsset('fastZombie', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.speed = -2;
		self.health = 60;
		self.maxHealth = 60;
	} else if (self.type === 'snailBucket') {
		zombieGraphics = self.attachAsset('snailBucket', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.speed = -0.5;
		self.health = 250;
		self.maxHealth = 250;
	} else if (self.type === 'miner') {
		zombieGraphics = self.attachAsset('minerZombie', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.speed = -1.2;
		self.health = 120;
		self.maxHealth = 120;
		self.underground = false;
		self.surfaceTimer = 0;
		self.canAttack = true; // Can attack and be attacked when above ground
	} else if (self.type === 'cart') {
		zombieGraphics = self.attachAsset('cartZombie', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.speed = -0.7;
		self.health = 300;
		self.maxHealth = 300;
		self.cartHealth = 200; // Cart has its own health
		self.cartDestroyed = false;
	} else if (self.type === 'newspaper') {
		zombieGraphics = self.attachAsset('newspaperZombie', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.speed = -0.8;
		self.health = 150;
		self.maxHealth = 150;
		self.newspaperHealth = 75; // Newspaper has its own health
		self.newspaperDestroyed = false;
		self.enraged = false;
	} else if (self.type === 'zombistein') {
		zombieGraphics = self.attachAsset('zombie', {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 1.5,
			scaleY: 1.5,
			tint: 0x00ff00
		});
		self.speed = -0.5;
		self.health = 500;
		self.maxHealth = 500;
		self.electricAttack = true;
		self.lastElectricAttack = 0;
	} else {
		zombieGraphics = self.attachAsset('zombie', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	}
	self.takeDamage = function (damage) {
		// Cart zombie takes damage to cart first
		if (self.type === 'cart' && !self.cartDestroyed) {
			self.cartHealth -= damage;
			if (self.cartHealth <= 0) {
				self.cartDestroyed = true;
				self.speed = -1.5; // Move faster without cart
				zombieGraphics.tint = 0x888888;
			}
			return false; // Cart zombie doesn't die until cart is destroyed
		} else if (self.type === 'newspaper' && !self.newspaperDestroyed) {
			self.newspaperHealth -= damage;
			if (self.newspaperHealth <= 0) {
				self.newspaperDestroyed = true;
				self.enraged = true;
				self.speed = -2.5; // Move much faster when enraged
				zombieGraphics.tint = 0xff4444; // Red tint when angry
			}
			return false; // Newspaper zombie doesn't die until newspaper is destroyed
		} else {
			// Miner zombie cannot be damaged when underground
			if (self.type === 'miner' && self.underground) {
				return false; // Cannot be damaged underground
			}
			self.health -= damage;
			if (self.health <= 0) {
				// Death animation - fall to ground
				tween(self, {
					rotation: Math.PI / 2,
					y: self.y + 50,
					alpha: 0.7
				}, {
					duration: 800,
					easing: tween.easeOut
				});
				return true;
			}
		}
		return false;
	};
	self.update = function () {
		// Miner zombie behavior
		if (self.type === 'miner') {
			var lastColumnX = gridStartX; // X position of the last (leftmost) grid column
			// Check if miner has reached or passed the last column
			var hasReachedLastColumn = self.x <= lastColumnX;
			if (!self.underground && self.x < 1500 && !hasReachedLastColumn) {
				// Go underground when reaching middle of screen, but only if hasn't reached last column yet
				self.underground = true;
				self.canAttack = false; // Cannot attack when underground
				self.alpha = 0.3; // Make more transparent when underground
				self.speed = -2; // Move faster underground
			}
			if (self.underground) {
				// When underground, cannot attack plants - just move through them
				// Check if reached the last column (leftmost grid column) to surface and turn around
				if (hasReachedLastColumn) {
					// Surface at last column and turn around
					self.underground = false;
					self.canAttack = true; // Can attack again when surfaced
					self.alpha = 1;
					self.speed = 1.2; // Move right (positive speed) to attack from behind
					self.surfaceTimer = 0;
				}
			}
			// Once surfaced at last column, continue moving right and cannot go underground again
			if (hasReachedLastColumn && !self.underground && self.speed > 0) {
				// Ensure miner continues moving right and cannot go underground
				self.canAttack = true;
				self.alpha = 1;
			}
		}
		// Zombistein electric attack behavior
		if (self.type === 'zombistein' && LK.ticks - self.lastElectricAttack > 300) {
			// Electric attack every 5 seconds
			self.lastElectricAttack = LK.ticks;
			// Damage all plants in a 200px radius
			for (var plantIdx = 0; plantIdx < plants.length; plantIdx++) {
				var plant = plants[plantIdx];
				var distance = Math.sqrt(Math.pow(self.x - plant.x, 2) + Math.pow(self.y - plant.y, 2));
				if (distance < 200) {
					// Electric visual effect
					tween(plant, {
						tint: 0x00ffff
					}, {
						duration: 200,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							tween(plant, {
								tint: 0xffffff
							}, {
								duration: 200,
								easing: tween.easeIn
							});
						}
					});
					if (plant.takeDamage(30)) {
						for (var k = plants.length - 1; k >= 0; k--) {
							if (plants[k] === plant) {
								plants.splice(k, 1);
								plant.destroy();
								break;
							}
						}
					}
				}
			}
		}
		// Cart zombie behavior
		if (self.type === 'cart' && !self.cartDestroyed) {
			// Check if cart should be destroyed (takes damage first before zombie)
			if (self.cartHealth <= 0) {
				self.cartDestroyed = true;
				self.speed = -1.5; // Move faster without cart
				// Change appearance to show cart is destroyed
				zombieGraphics.tint = 0x888888;
			}
		}
		if (!self.isAttacking) {
			self.x += self.speed;
			// Check if zombie reached the left side
			if (self.x < 100) {
				gameOver();
				return;
			}
			// Check for plants to attack (ignore spikeweed)
			var myRow = Math.floor((self.y - 500) / 140);
			for (var i = 0; i < plants.length; i++) {
				var plant = plants[i];
				var plantRow = Math.floor((plant.y - 500) / 140);
				// Ignore spikeweed plants - zombies walk over them
				// Miner zombie cannot attack when underground
				if (plantRow === myRow && Math.abs(self.x - plant.x) < 80 && plant.type !== 'spikeweed' && self.canAttack) {
					// Cart zombie instantly destroys plants except spikeweed
					if (self.type === 'cart') {
						plant.takeDamage(9999); // Instant destruction
						for (var plantIdx = plants.length - 1; plantIdx >= 0; plantIdx--) {
							if (plants[plantIdx] === plant) {
								plants.splice(plantIdx, 1);
								break;
							}
						}
					} else {
						self.isAttacking = true;
					}
					break;
				}
			}
		} else {
			// Attack mode
			self.attackCooldown++;
			if (self.attackCooldown >= 60) {
				// Attack every second
				self.attackCooldown = 0;
				// Find plant to attack (ignore spikeweed)
				var myRow = Math.floor((self.y - 500) / 140);
				var targetPlant = null;
				for (var i = 0; i < plants.length; i++) {
					var plant = plants[i];
					var plantRow = Math.floor((plant.y - 500) / 140);
					// Ignore spikeweed plants - zombies walk over them
					// Miner zombie cannot attack when underground
					if (plantRow === myRow && Math.abs(self.x - plant.x) < 80 && plant.type !== 'spikeweed' && self.canAttack) {
						// Cart zombie instantly destroys plants except spikeweed
						if (self.type === 'cart') {
							plant.takeDamage(9999); // Instant destruction
							for (var plantIdx = plants.length - 1; plantIdx >= 0; plantIdx--) {
								if (plants[plantIdx] === plant) {
									plants.splice(plantIdx, 1);
									break;
								}
							}
							self.isAttacking = false; // Continue moving after instant destruction
							targetPlant = null;
						} else {
							targetPlant = plant;
						}
						break;
					}
				}
				if (targetPlant) {
					// Fisheye eating effect
					tween(self, {
						scaleX: 1.3,
						scaleY: 0.7
					}, {
						duration: 150,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							tween(self, {
								scaleX: 1,
								scaleY: 1
							}, {
								duration: 150,
								easing: tween.easeIn
							});
						}
					});
					if (targetPlant.takeDamage(self.attackDamage)) {
						// Plant destroyed, remove from array
						for (var j = plants.length - 1; j >= 0; j--) {
							if (plants[j] === targetPlant) {
								plants.splice(j, 1);
								break;
							}
						}
						self.isAttacking = false;
					}
				} else {
					self.isAttacking = false;
				}
			}
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x228B22
});

/**** 
* Game Code
****/ 
// Night plants (mushrooms)
// Game variables
var sunPoints = 150;
var currentWave = 1;
var maxWaves = 5;
var waveSpawnTimer = 0;
var zombiesInWave = 0;
var maxZombiesInWave = 30;
var selectedPlantType = null;
var shovelSelected = false;
var gameState = 'loading'; // 'loading', 'levelSelect', 'playing', 'won', 'lost'
var currentLevel = 1;
var loadingScreen = null;
var levelButtons = [];
// Seed recharge system - 3 seconds = 180 ticks at 60 FPS
var seedRechargeTime = 180;
var seedCooldowns = {
	sunflower: 0,
	peashooter: 0,
	wallnut: 0,
	potatomine: 0,
	carnivorousplant: 0,
	doomshroom: 0,
	repeater: 0,
	threepeater: 0,
	spikeweed: 0,
	splitpeater: 0,
	lilypad: 0,
	puffshroom: 0,
	sunshroom: 0,
	fumeshroom: 0,
	gravebuster: 0,
	hypnoshroom: 0,
	scaredyshroom: 0,
	iceshroom: 0,
	melonpulta: 0,
	coltapulta: 0,
	lanzamaiz: 0,
	pot: 0
};
// Game arrays
var plants = [];
var zombies = [];
var peas = [];
var suns = [];
var lawnmowers = [];
var waterTiles = [];
var tombstones = [];
var conveyorBelt = null;
var robotBoss = null;
var fireballs = [];
// Grid setup
var gridStartX = 300;
var gridStartY = 350;
var gridCols = 12;
var gridRows = 12;
var cellSize = 140;
// Plant costs
var plantCosts = {
	sunflower: 50,
	peashooter: 100,
	wallnut: 50,
	potatomine: 25,
	carnivorousplant: 150,
	doomshroom: 125,
	repeater: 200,
	threepeater: 325,
	spikeweed: 100,
	splitpeater: 175,
	lilypad: 25,
	puffshroom: 0,
	sunshroom: 25,
	fumeshroom: 75,
	gravebuster: 75,
	hypnoshroom: 75,
	scaredyshroom: 25,
	iceshroom: 75,
	melonpulta: 300,
	coltapulta: 100,
	lanzamaiz: 100,
	pot: 25
};
// UI Elements
var sunDisplay = new Text2('Sun: ' + sunPoints, {
	size: 60,
	fill: 0xFFFF00
});
sunDisplay.anchor.set(0, 0);
LK.gui.topLeft.addChild(sunDisplay);
sunDisplay.x = 120;
sunDisplay.y = 20;
var waveDisplay = new Text2('Wave: ' + currentWave + '/' + maxWaves, {
	size: 50,
	fill: 0xFFFFFF
});
waveDisplay.anchor.set(0.5, 0);
LK.gui.top.addChild(waveDisplay);
waveDisplay.y = 20;
// Plant selection buttons arranged vertically at bottom of screen
var sunflowerButton = LK.getAsset('sunflower', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 200,
	y: 2100,
	scaleX: 0.6,
	scaleY: 0.6
});
game.addChild(sunflowerButton);
var peashooterButton = LK.getAsset('peashooter', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 300,
	y: 2100,
	scaleX: 0.6,
	scaleY: 0.6
});
game.addChild(peashooterButton);
var wallnutButton = LK.getAsset('wallnut', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 400,
	y: 2100,
	scaleX: 0.6,
	scaleY: 0.6
});
game.addChild(wallnutButton);
var potatomineButton = LK.getAsset('potatomine', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 500,
	y: 2100,
	scaleX: 0.6,
	scaleY: 0.6
});
game.addChild(potatomineButton);
var carnivorousplantButton = LK.getAsset('carnivorousplant', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 600,
	y: 2100,
	scaleX: 0.6,
	scaleY: 0.6
});
game.addChild(carnivorousplantButton);
var doomshroomButton = LK.getAsset('doomshroom', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 700,
	y: 2100,
	scaleX: 0.6,
	scaleY: 0.6
});
game.addChild(doomshroomButton);
var repeaterButton = LK.getAsset('repeater', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 800,
	y: 2100,
	scaleX: 0.6,
	scaleY: 0.6
});
game.addChild(repeaterButton);
var threepeaterButton = LK.getAsset('threepeater', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 900,
	y: 2100,
	scaleX: 0.6,
	scaleY: 0.6
});
game.addChild(threepeaterButton);
var spikeButton = LK.getAsset('spikeweed', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1000,
	y: 2100,
	scaleX: 0.6,
	scaleY: 0.6
});
game.addChild(spikeButton);
var splitpeaterButton = LK.getAsset('splitpeater', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1100,
	y: 2100,
	scaleX: 0.6,
	scaleY: 0.6
});
game.addChild(splitpeaterButton);
var lilypadButton = LK.getAsset('lilypad', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1200,
	y: 2100,
	scaleX: 0.6,
	scaleY: 0.6
});
game.addChild(lilypadButton);
// Restart button and shovel moved to right side of screen
var restartButton = LK.getAsset('restartButton', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1800,
	y: 120,
	scaleX: 0.8,
	scaleY: 0.8
});
game.addChild(restartButton);
var shovelButton = LK.getAsset('shovel', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1920,
	y: 120,
	scaleX: 0.6,
	scaleY: 0.6
});
game.addChild(shovelButton);
// Plant cost labels - arranged horizontally at bottom next to buttons
var sunflowerCost = new Text2('50', {
	size: 20,
	fill: 0xFFFFFF
});
sunflowerCost.anchor.set(0.5, 0);
sunflowerCost.x = 200;
sunflowerCost.y = 2140;
game.addChild(sunflowerCost);
var peashooterCost = new Text2('100', {
	size: 20,
	fill: 0xFFFFFF
});
peashooterCost.anchor.set(0.5, 0);
peashooterCost.x = 300;
peashooterCost.y = 2140;
game.addChild(peashooterCost);
var wallnutCost = new Text2('50', {
	size: 20,
	fill: 0xFFFFFF
});
wallnutCost.anchor.set(0.5, 0);
wallnutCost.x = 400;
wallnutCost.y = 2140;
game.addChild(wallnutCost);
var potatomineeCost = new Text2('25', {
	size: 20,
	fill: 0xFFFFFF
});
potatomineeCost.anchor.set(0.5, 0);
potatomineeCost.x = 500;
potatomineeCost.y = 2140;
game.addChild(potatomineeCost);
var carnivorousplantCost = new Text2('150', {
	size: 20,
	fill: 0xFFFFFF
});
carnivorousplantCost.anchor.set(0.5, 0);
carnivorousplantCost.x = 600;
carnivorousplantCost.y = 2140;
game.addChild(carnivorousplantCost);
var doomshroomCost = new Text2('125', {
	size: 20,
	fill: 0xFFFFFF
});
doomshroomCost.anchor.set(0.5, 0);
doomshroomCost.x = 700;
doomshroomCost.y = 2140;
game.addChild(doomshroomCost);
var repeaterCost = new Text2('200', {
	size: 20,
	fill: 0xFFFFFF
});
repeaterCost.anchor.set(0.5, 0);
repeaterCost.x = 800;
repeaterCost.y = 2140;
game.addChild(repeaterCost);
var threepeaterCost = new Text2('325', {
	size: 20,
	fill: 0xFFFFFF
});
threepeaterCost.anchor.set(0.5, 0);
threepeaterCost.x = 900;
threepeaterCost.y = 2140;
game.addChild(threepeaterCost);
var spikeCost = new Text2('100', {
	size: 20,
	fill: 0xFFFFFF
});
spikeCost.anchor.set(0.5, 0);
spikeCost.x = 1000;
spikeCost.y = 2140;
game.addChild(spikeCost);
var splitpeaterCost = new Text2('175', {
	size: 20,
	fill: 0xFFFFFF
});
splitpeaterCost.anchor.set(0.5, 0);
splitpeaterCost.x = 1100;
splitpeaterCost.y = 2140;
game.addChild(splitpeaterCost);
var lilypadCost = new Text2('25', {
	size: 20,
	fill: 0xFFFFFF
});
lilypadCost.anchor.set(0.5, 0);
lilypadCost.x = 1200;
lilypadCost.y = 2140;
game.addChild(lilypadCost);
// Create separate catapult plant buttons for roof levels
var melonpultaButton = LK.getAsset('melonpulta', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 800,
	y: 2100,
	scaleX: 0.6,
	scaleY: 0.6
});
game.addChild(melonpultaButton);
melonpultaButton.visible = false; // Hidden by default
var coltapultaButton = LK.getAsset('coltapulta', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 900,
	y: 2100,
	scaleX: 0.6,
	scaleY: 0.6
});
game.addChild(coltapultaButton);
coltapultaButton.visible = false; // Hidden by default
var lanzamaizButton = LK.getAsset('lanzamaiz', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1100,
	y: 2100,
	scaleX: 0.6,
	scaleY: 0.6
});
game.addChild(lanzamaizButton);
lanzamaizButton.visible = false; // Hidden by default
// Create cost labels for catapult plants
var melonpultaCost = new Text2('300', {
	size: 20,
	fill: 0xFFFFFF
});
melonpultaCost.anchor.set(0.5, 0);
melonpultaCost.x = 800;
melonpultaCost.y = 2140;
game.addChild(melonpultaCost);
melonpultaCost.visible = false; // Hidden by default
var coltapultaCost = new Text2('100', {
	size: 20,
	fill: 0xFFFFFF
});
coltapultaCost.anchor.set(0.5, 0);
coltapultaCost.x = 900;
coltapultaCost.y = 2140;
game.addChild(coltapultaCost);
coltapultaCost.visible = false; // Hidden by default
var lanzamaizCost = new Text2('100', {
	size: 20,
	fill: 0xFFFFFF
});
lanzamaizCost.anchor.set(0.5, 0);
lanzamaizCost.x = 1100;
lanzamaizCost.y = 2140;
game.addChild(lanzamaizCost);
lanzamaizCost.visible = false; // Hidden by default
// Create pot plant button for roof levels
var potButton = LK.getAsset('pot', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 300,
	y: 2100,
	scaleX: 0.6,
	scaleY: 0.6
});
game.addChild(potButton);
potButton.visible = false; // Hidden by default
// Create cost label for pot plant
var potCost = new Text2('25', {
	size: 20,
	fill: 0xFFFFFF
});
potCost.anchor.set(0.5, 0);
potCost.x = 300;
potCost.y = 2140;
game.addChild(potCost);
potCost.visible = false; // Hidden by default
// Boss health display
var bossHealthDisplay = new Text2('Boss Health: 1000/1000', {
	size: 40,
	fill: 0xFF0000
});
bossHealthDisplay.anchor.set(0, 1); // Bottom left anchor
bossHealthDisplay.x = 120;
bossHealthDisplay.y = 2600;
game.addChild(bossHealthDisplay);
bossHealthDisplay.visible = false; // Hidden by default
var restartText = new Text2('RESTART', {
	size: 16,
	fill: 0xFFFFFF
});
restartText.anchor.set(0.5, 0);
restartText.x = 1800;
restartText.y = 90;
game.addChild(restartText);
// Exit level button - positioned next to restart button
var exitLevelButton = LK.getAsset('restartButton', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1650,
	y: 120,
	scaleX: 0.8,
	scaleY: 0.8
});
game.addChild(exitLevelButton);
var exitText = new Text2('EXIT', {
	size: 16,
	fill: 0xFFFFFF
});
exitText.anchor.set(0.5, 0);
exitText.x = 1650;
exitText.y = 90;
game.addChild(exitText);
// Draw grid
var gridTiles = [];
for (var row = 0; row < gridRows; row++) {
	for (var col = 0; col < gridCols; col++) {
		var gridCell = LK.getAsset('gridCell', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: gridStartX + col * cellSize,
			y: gridStartY + row * cellSize,
			alpha: 0.3
		});
		game.addChild(gridCell);
		gridTiles.push(gridCell);
	}
}
// Add decorative bushes on the right to cover zombie spawn area - more bushes arranged at different depths
var bushes = LK.getAsset('bushes', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2000,
	y: 600,
	scaleX: 1.8,
	scaleY: 1.8
});
game.addChild(bushes);
var bushes2 = LK.getAsset('bushes', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2000,
	y: 900,
	scaleX: 1.6,
	scaleY: 1.6
});
game.addChild(bushes2);
var bushes3 = LK.getAsset('bushes', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2000,
	y: 1200,
	scaleX: 1.7,
	scaleY: 1.7
});
game.addChild(bushes3);
var bushes4 = LK.getAsset('bushes', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2000,
	y: 1500,
	scaleX: 1.5,
	scaleY: 1.5
});
game.addChild(bushes4);
var bushes5 = LK.getAsset('bushes', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2000,
	y: 1800,
	scaleX: 1.4,
	scaleY: 1.4
});
game.addChild(bushes5);
var bushes6 = LK.getAsset('bushes', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1900,
	y: 750,
	scaleX: 1.3,
	scaleY: 1.3
});
game.addChild(bushes6);
var bushes7 = LK.getAsset('bushes', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1900,
	y: 1350,
	scaleX: 1.2,
	scaleY: 1.2
});
game.addChild(bushes7);
var bushes8 = LK.getAsset('bushes', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1950,
	y: 450,
	scaleX: 1.6,
	scaleY: 1.6
});
game.addChild(bushes8);
var bushes9 = LK.getAsset('bushes', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1950,
	y: 1050,
	scaleX: 1.4,
	scaleY: 1.4
});
game.addChild(bushes9);
var bushes10 = LK.getAsset('bushes', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1950,
	y: 1650,
	scaleX: 1.5,
	scaleY: 1.5
});
game.addChild(bushes10);
var bushes11 = LK.getAsset('bushes', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1850,
	y: 600,
	scaleX: 1.1,
	scaleY: 1.1
});
game.addChild(bushes11);
var bushes12 = LK.getAsset('bushes', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1850,
	y: 1200,
	scaleX: 1.0,
	scaleY: 1.0
});
game.addChild(bushes12);
var bushes13 = LK.getAsset('bushes', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1850,
	y: 1800,
	scaleX: 1.3,
	scaleY: 1.3
});
game.addChild(bushes13);
// Initialize lawnmowers
for (var row = 0; row < gridRows; row++) {
	var lawnmower = new Lawnmower();
	lawnmower.x = 220;
	lawnmower.y = gridStartY + row * cellSize;
	game.addChild(lawnmower);
	lawnmowers.push(lawnmower);
}
// Move all bushes to front to render above zombies
bushes.parent.removeChild(bushes);
game.addChild(bushes);
bushes2.parent.removeChild(bushes2);
game.addChild(bushes2);
bushes3.parent.removeChild(bushes3);
game.addChild(bushes3);
bushes4.parent.removeChild(bushes4);
game.addChild(bushes4);
bushes5.parent.removeChild(bushes5);
game.addChild(bushes5);
bushes6.parent.removeChild(bushes6);
game.addChild(bushes6);
bushes7.parent.removeChild(bushes7);
game.addChild(bushes7);
bushes8.parent.removeChild(bushes8);
game.addChild(bushes8);
bushes9.parent.removeChild(bushes9);
game.addChild(bushes9);
bushes10.parent.removeChild(bushes10);
game.addChild(bushes10);
bushes11.parent.removeChild(bushes11);
game.addChild(bushes11);
bushes12.parent.removeChild(bushes12);
game.addChild(bushes12);
bushes13.parent.removeChild(bushes13);
game.addChild(bushes13);
// Initialize loading screen
if (gameState === 'loading') {
	loadingScreen = new LoadingScreen();
	game.addChild(loadingScreen);
	// Hide all game elements initially
	hideGameElements();
}
function updateGridTiles(levelNumber) {
	// Destroy existing grid tiles
	for (var i = gridTiles.length - 1; i >= 0; i--) {
		gridTiles[i].destroy();
	}
	gridTiles = [];
	// Determine tile type based on level
	var tileAsset = 'gridCell';
	if (levelNumber > 15) {
		// Roof levels
		if (levelNumber === 19) {
			tileAsset = 'roofTileNight'; // Night roof
		} else {
			tileAsset = 'roofTileDay'; // Day roof
		}
	}
	// Create new grid with appropriate tiles
	for (var row = 0; row < gridRows; row++) {
		for (var col = 0; col < gridCols; col++) {
			var gridCell = LK.getAsset(tileAsset, {
				anchorX: 0.5,
				anchorY: 0.5,
				x: gridStartX + col * cellSize,
				y: gridStartY + row * cellSize,
				alpha: 0.3
			});
			game.addChild(gridCell);
			gridTiles.push(gridCell);
		}
	}
}
function updateSunDisplay() {
	sunDisplay.setText('Sun: ' + sunPoints);
}
function canAffordPlant(plantType) {
	return sunPoints >= plantCosts[plantType];
}
function isSeedReady(plantType) {
	return seedCooldowns[plantType] <= 0;
}
function canPlant(plantType) {
	return canAffordPlant(plantType) && isSeedReady(plantType);
}
function getGridPosition(x, y) {
	var col = Math.floor((x - gridStartX + cellSize / 2) / cellSize);
	var row = Math.floor((y - gridStartY + cellSize / 2) / cellSize);
	if (col >= 0 && col < gridCols && row >= 0 && row < gridRows) {
		return {
			row: row,
			col: col,
			x: gridStartX + col * cellSize,
			y: gridStartY + row * cellSize
		};
	}
	return null;
}
function isGridOccupied(row, col) {
	for (var i = 0; i < plants.length; i++) {
		var plant = plants[i];
		var plantRow = Math.floor((plant.y - gridStartY + cellSize / 2) / cellSize);
		var plantCol = Math.floor((plant.x - gridStartX + cellSize / 2) / cellSize);
		if (plantRow === row && plantCol === col) {
			return true;
		}
	}
	return false;
}
function isPositionOnWater(row, col) {
	// Check if position is on water (pool levels 11-15, rows 4-8)
	var isPoolLevel = currentLevel > 10;
	if (isPoolLevel && row >= 4 && row <= 8) {
		return true;
	}
	return false;
}
function canPlantOnPosition(plantType, row, col) {
	// Check what's already at this position
	var hasLilypad = false;
	var hasPot = false;
	var isOccupied = false;
	for (var i = 0; i < plants.length; i++) {
		var plant = plants[i];
		var plantRow = Math.floor((plant.y - gridStartY + cellSize / 2) / cellSize);
		var plantCol = Math.floor((plant.x - gridStartX + cellSize / 2) / cellSize);
		if (plantRow === row && plantCol === col) {
			if (plant.type === 'lilypad') {
				hasLilypad = true;
			} else if (plant.type === 'pot') {
				hasPot = true;
			} else {
				isOccupied = true; // Other plant types occupy space completely
			}
		}
	}
	// Check if this is a roof level
	var isRoofLevel = currentLevel > 15;
	// Check if this is a water position
	var isWaterPos = isPositionOnWater(row, col);
	// Handle roof level rules
	if (isRoofLevel) {
		if (plantType === 'pot') {
			return !isOccupied && !hasPot; // Pot needs empty space
		} else {
			return hasPot && !isOccupied; // Other plants need pot and no other plants
		}
	}
	// Handle water level rules
	if (isWaterPos) {
		if (plantType === 'lilypad') {
			return !isOccupied && !hasLilypad; // Lilypad needs empty water
		} else {
			return hasLilypad && !isOccupied; // Other plants need lilypad and no other plants
		}
	}
	// Handle regular ground rules
	if (plantType === 'lilypad') {
		return false; // Lilypad can only be on water
	}
	return !isOccupied && !hasLilypad && !hasPot; // Regular plants need completely empty space
}
function spawnTombstones() {
	// Spawn 3-5 tombstones randomly on the grid for night levels
	var tombstoneCount = 3 + Math.floor(Math.random() * 3);
	// Define vertical middle line at column 6 (middle of 12 columns)
	var middleColumn = Math.floor(gridCols / 2);
	for (var i = 0; i < tombstoneCount; i++) {
		var attempts = 0;
		var placed = false;
		while (!placed && attempts < 20) {
			var randomRow = Math.floor(Math.random() * gridRows);
			// Only spawn tombstones to the right of the middle line (behind middle)
			var randomCol = middleColumn + Math.floor(Math.random() * (gridCols - middleColumn - 1));
			// Check if position is already occupied
			var occupied = false;
			for (var j = 0; j < tombstones.length; j++) {
				var tombstoneRow = Math.floor((tombstones[j].y - gridStartY + cellSize / 2) / cellSize);
				var tombstoneCol = Math.floor((tombstones[j].x - gridStartX + cellSize / 2) / cellSize);
				if (tombstoneRow === randomRow && tombstoneCol === randomCol) {
					occupied = true;
					break;
				}
			}
			if (!occupied) {
				var tombstone = new Tombstone();
				tombstone.x = gridStartX + randomCol * cellSize;
				tombstone.y = gridStartY + randomRow * cellSize;
				game.addChild(tombstone);
				tombstones.push(tombstone);
				placed = true;
			}
			attempts++;
		}
	}
}
function spawnZombie() {
	var rand = Math.random();
	var zombieType = 'normal';
	if (rand < 0.15) {
		zombieType = 'fast';
	} else if (rand < 0.25) {
		zombieType = 'snailBucket';
	} else if (rand < 0.35) {
		zombieType = 'miner';
	} else if (rand < 0.45) {
		zombieType = 'cart';
	} else if (rand < 0.55) {
		zombieType = 'newspaper';
	}
	var zombie = new Zombie(zombieType);
	zombie.x = 2100;
	zombie.y = gridStartY + Math.floor(Math.random() * gridRows) * cellSize;
	game.addChild(zombie);
	zombies.push(zombie);
}
function gameOver() {
	if (gameState === 'playing') {
		gameState = 'lost';
		LK.showGameOver();
	}
}
function checkWinCondition() {
	if (currentWave > maxWaves && zombies.length === 0) {
		if (gameState === 'playing') {
			gameState = 'won';
			LK.showYouWin();
		}
	}
}
function showLevelSelection() {
	gameState = 'levelSelect';
	// Clear loading screen
	if (loadingScreen) {
		loadingScreen.destroy();
		loadingScreen = null;
	}
	// Hide all game elements
	hideGameElements();
	// Create day level buttons (1-5)
	var dayButtonSpacing = 150;
	var dayStartX = 1024 - 2 * dayButtonSpacing;
	for (var i = 1; i <= 5; i++) {
		var levelButton = new LevelButton(i);
		levelButton.x = dayStartX + (i - 1) * dayButtonSpacing;
		levelButton.y = 600;
		game.addChild(levelButton);
		levelButtons.push(levelButton);
	}
	// Create night level buttons (6-10)
	var nightButtonSpacing = 150;
	var nightStartX = 1024 - 2 * nightButtonSpacing;
	for (var j = 6; j <= 10; j++) {
		var nightLevelButton = new LevelButton(j);
		nightLevelButton.x = nightStartX + (j - 6) * nightButtonSpacing;
		nightLevelButton.y = 900;
		// Tint night buttons with dark blue
		nightLevelButton.tint = 0x000080;
		game.addChild(nightLevelButton);
		levelButtons.push(nightLevelButton);
	}
	// Create pool level buttons (11-15)
	var poolButtonSpacing = 150;
	var poolStartX = 1024 - 2 * poolButtonSpacing;
	for (var k = 11; k <= 15; k++) {
		var poolLevelButton = new LevelButton(k);
		poolLevelButton.x = poolStartX + (k - 11) * poolButtonSpacing;
		poolLevelButton.y = 1200;
		// Tint pool buttons with cyan/blue for water theme
		poolLevelButton.tint = 0x00FFFF;
		game.addChild(poolLevelButton);
		levelButtons.push(poolLevelButton);
	}
	// Create roof level buttons (16-18) - day roof levels
	var roofButtonSpacing = 150;
	var roofStartX = 1024 - 1 * roofButtonSpacing;
	for (var r = 16; r <= 18; r++) {
		var roofLevelButton = new LevelButton(r);
		roofLevelButton.x = roofStartX + (r - 16) * roofButtonSpacing;
		roofLevelButton.y = 1500;
		// Tint roof buttons with brown/gray for roof theme
		roofLevelButton.tint = 0x8B4513;
		game.addChild(roofLevelButton);
		levelButtons.push(roofLevelButton);
	}
	// Create night roof boss fight button (19)
	var bossLevelButton = new LevelButton(19);
	bossLevelButton.x = 1024;
	bossLevelButton.y = 1800;
	// Tint boss button with dark red for boss theme
	bossLevelButton.tint = 0x8B0000;
	// Make boss button bigger to indicate it's special
	bossLevelButton.scaleX = 1.5;
	bossLevelButton.scaleY = 1.5;
	game.addChild(bossLevelButton);
	levelButtons.push(bossLevelButton);
}
function hideDayPlants() {
	sunflowerButton.visible = false;
	peashooterButton.visible = false;
	wallnutButton.visible = false;
	potatomineButton.visible = false;
	carnivorousplantButton.visible = false;
	doomshroomButton.visible = false;
	repeaterButton.visible = false;
	threepeaterButton.visible = false;
	spikeButton.visible = false;
	splitpeaterButton.visible = false;
	lilypadButton.visible = false;
	melonpultaButton.visible = false;
	coltapultaButton.visible = false;
	lanzamaizButton.visible = false;
	sunflowerCost.visible = false;
	peashooterCost.visible = false;
	wallnutCost.visible = false;
	potatomineeCost.visible = false;
	carnivorousplantCost.visible = false;
	doomshroomCost.visible = false;
	repeaterCost.visible = false;
	threepeaterCost.visible = false;
	spikeCost.visible = false;
	splitpeaterCost.visible = false;
	lilypadCost.visible = false;
	melonpultaCost.visible = false;
	coltapultaCost.visible = false;
	lanzamaizCost.visible = false;
	potButton.visible = false;
	potCost.visible = false;
}
function showDayPlants() {
	sunflowerButton.visible = true;
	peashooterButton.visible = true;
	wallnutButton.visible = true;
	potatomineButton.visible = true;
	carnivorousplantButton.visible = true;
	doomshroomButton.visible = true;
	repeaterButton.visible = true;
	threepeaterButton.visible = true;
	spikeButton.visible = true;
	splitpeaterButton.visible = true;
	lilypadButton.visible = true;
	sunflowerCost.visible = true;
	peashooterCost.visible = true;
	wallnutCost.visible = true;
	potatomineeCost.visible = true;
	carnivorousplantCost.visible = true;
	doomshroomCost.visible = true;
	repeaterCost.visible = true;
	threepeaterCost.visible = true;
	spikeCost.visible = true;
	splitpeaterCost.visible = true;
	lilypadCost.visible = true;
}
function createNightPlantButtons() {
	// Create night plant buttons
	var puffshroomButton = LK.getAsset('puffshroom', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 200,
		y: 2100,
		scaleX: 0.8,
		scaleY: 0.8
	});
	game.addChild(puffshroomButton);
	var sunshroomButton = LK.getAsset('sunshroom', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 300,
		y: 2100,
		scaleX: 0.8,
		scaleY: 0.8
	});
	game.addChild(sunshroomButton);
	var fumeshroomButton = LK.getAsset('fumeshroom', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 400,
		y: 2100,
		scaleX: 0.8,
		scaleY: 0.8
	});
	game.addChild(fumeshroomButton);
	var gravebusterButton = LK.getAsset('gravebuster', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 500,
		y: 2100,
		scaleX: 0.8,
		scaleY: 0.8
	});
	game.addChild(gravebusterButton);
	var hypnoshroomButton = LK.getAsset('hypnoshroom', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 600,
		y: 2100,
		scaleX: 0.8,
		scaleY: 0.8
	});
	game.addChild(hypnoshroomButton);
	var scaredyshroomButton = LK.getAsset('scaredyshroom', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 700,
		y: 2100,
		scaleX: 0.8,
		scaleY: 0.8
	});
	game.addChild(scaredyshroomButton);
	var iceshroomButton = LK.getAsset('iceshroom', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 800,
		y: 2100,
		scaleX: 0.8,
		scaleY: 0.8
	});
	game.addChild(iceshroomButton);
	// Create night plant cost labels
	var puffshroomCost = new Text2('0', {
		size: 20,
		fill: 0xFFFFFF
	});
	puffshroomCost.anchor.set(0.5, 0);
	puffshroomCost.x = 200;
	puffshroomCost.y = 2140;
	game.addChild(puffshroomCost);
	var sunshroomCost = new Text2('25', {
		size: 20,
		fill: 0xFFFFFF
	});
	sunshroomCost.anchor.set(0.5, 0);
	sunshroomCost.x = 300;
	sunshroomCost.y = 2140;
	game.addChild(sunshroomCost);
	var fumeshroomCost = new Text2('75', {
		size: 20,
		fill: 0xFFFFFF
	});
	fumeshroomCost.anchor.set(0.5, 0);
	fumeshroomCost.x = 400;
	fumeshroomCost.y = 2140;
	game.addChild(fumeshroomCost);
	var gravebusterCost = new Text2('75', {
		size: 20,
		fill: 0xFFFFFF
	});
	gravebusterCost.anchor.set(0.5, 0);
	gravebusterCost.x = 500;
	gravebusterCost.y = 2140;
	game.addChild(gravebusterCost);
	var hypnoshroomCost = new Text2('75', {
		size: 20,
		fill: 0xFFFFFF
	});
	hypnoshroomCost.anchor.set(0.5, 0);
	hypnoshroomCost.x = 600;
	hypnoshroomCost.y = 2140;
	game.addChild(hypnoshroomCost);
	var scaredyshroomCost = new Text2('25', {
		size: 20,
		fill: 0xFFFFFF
	});
	scaredyshroomCost.anchor.set(0.5, 0);
	scaredyshroomCost.x = 700;
	scaredyshroomCost.y = 2140;
	game.addChild(scaredyshroomCost);
	var iceshroomCost = new Text2('75', {
		size: 20,
		fill: 0xFFFFFF
	});
	iceshroomCost.anchor.set(0.5, 0);
	iceshroomCost.x = 800;
	iceshroomCost.y = 2140;
	game.addChild(iceshroomCost);
	// Add event handlers for night plant buttons
	puffshroomButton.down = function (x, y, obj) {
		if (canPlant('puffshroom')) {
			selectedPlantType = 'puffshroom';
			shovelSelected = false;
		}
	};
	sunshroomButton.down = function (x, y, obj) {
		if (canPlant('sunshroom')) {
			selectedPlantType = 'sunshroom';
			shovelSelected = false;
		}
	};
	fumeshroomButton.down = function (x, y, obj) {
		if (canPlant('fumeshroom')) {
			selectedPlantType = 'fumeshroom';
			shovelSelected = false;
		}
	};
	gravebusterButton.down = function (x, y, obj) {
		if (canPlant('gravebuster')) {
			selectedPlantType = 'gravebuster';
			shovelSelected = false;
		}
	};
	hypnoshroomButton.down = function (x, y, obj) {
		if (canPlant('hypnoshroom')) {
			selectedPlantType = 'hypnoshroom';
			shovelSelected = false;
		}
	};
	scaredyshroomButton.down = function (x, y, obj) {
		if (canPlant('scaredyshroom')) {
			selectedPlantType = 'scaredyshroom';
			shovelSelected = false;
		}
	};
	iceshroomButton.down = function (x, y, obj) {
		if (canPlant('iceshroom')) {
			selectedPlantType = 'iceshroom';
			shovelSelected = false;
		}
	};
}
function hideGameElements() {
	// Hide all UI elements
	sunDisplay.alpha = 0;
	waveDisplay.alpha = 0;
	// Hide all plant buttons
	sunflowerButton.alpha = 0;
	peashooterButton.alpha = 0;
	wallnutButton.alpha = 0;
	potatomineButton.alpha = 0;
	carnivorousplantButton.alpha = 0;
	doomshroomButton.alpha = 0;
	repeaterButton.alpha = 0;
	threepeaterButton.alpha = 0;
	spikeButton.alpha = 0;
	splitpeaterButton.alpha = 0;
	restartButton.alpha = 0;
	shovelButton.alpha = 0;
	// Hide cost labels
	sunflowerCost.alpha = 0;
	peashooterCost.alpha = 0;
	wallnutCost.alpha = 0;
	potatomineeCost.alpha = 0;
	carnivorousplantCost.alpha = 0;
	doomshroomCost.alpha = 0;
	repeaterCost.alpha = 0;
	threepeaterCost.alpha = 0;
	spikeCost.alpha = 0;
	splitpeaterCost.alpha = 0;
	lilypadCost.alpha = 0;
	restartText.alpha = 0;
	// Hide lilypad button
	lilypadButton.alpha = 0;
	// Hide exit button
	exitLevelButton.alpha = 0;
	exitText.alpha = 0;
	// Hide boss health display
	bossHealthDisplay.visible = false;
}
function showGameElements() {
	// Show all UI elements
	sunDisplay.alpha = 1;
	waveDisplay.alpha = 1;
	// Show all plant buttons
	sunflowerButton.alpha = 1;
	peashooterButton.alpha = 1;
	wallnutButton.alpha = 1;
	potatomineButton.alpha = 1;
	carnivorousplantButton.alpha = 1;
	doomshroomButton.alpha = 1;
	repeaterButton.alpha = 1;
	threepeaterButton.alpha = 1;
	spikeButton.alpha = 1;
	splitpeaterButton.alpha = 1;
	restartButton.alpha = 1;
	shovelButton.alpha = 1;
	// Show cost labels
	sunflowerCost.alpha = 1;
	peashooterCost.alpha = 1;
	wallnutCost.alpha = 1;
	potatomineeCost.alpha = 1;
	carnivorousplantCost.alpha = 1;
	doomshroomCost.alpha = 1;
	repeaterCost.alpha = 1;
	threepeaterCost.alpha = 1;
	spikeCost.alpha = 1;
	splitpeaterCost.alpha = 1;
	lilypadCost.alpha = 1;
	restartText.alpha = 1;
	// Show lilypad button
	lilypadButton.alpha = 1;
	// Show exit button
	exitLevelButton.alpha = 1;
	exitText.alpha = 1;
}
function startLevel(levelNumber) {
	currentLevel = levelNumber;
	gameState = 'playing';
	// Clear level selection elements
	for (var i = levelButtons.length - 1; i >= 0; i--) {
		levelButtons[i].destroy();
	}
	levelButtons = [];
	// Show game elements
	showGameElements();
	// Reset game based on level
	resetGameForLevel(levelNumber);
}
function resetGameForLevel(levelNumber) {
	// Reset all game variables
	sunPoints = 150;
	currentWave = 1;
	maxZombiesInWave = 20 + (levelNumber - 1) * 10; // Increase difficulty per level
	maxWaves = 3 + levelNumber; // More waves for higher levels
	waveSpawnTimer = 0;
	zombiesInWave = 0;
	selectedPlantType = null;
	shovelSelected = false;
	// Set mode based on level number
	var isNightMode = levelNumber > 5 && levelNumber <= 10 || levelNumber === 19;
	var isPoolMode = levelNumber > 10 && levelNumber <= 15;
	var isRoofMode = levelNumber > 15;
	if (isRoofMode && levelNumber === 19) {
		// Night roof boss fight - only allow sunflower, doomshroom, wallnut, carnivorousplant, melonpulta, coltapulta, lanzamaiz
		game.setBackgroundColor(0x0F0F23); // Very dark night background
		sunPoints = 50; // Very little sun for boss fight
		hideDayPlants();
		// Show only specific plants for roof levels
		sunflowerButton.visible = true;
		wallnutButton.visible = true;
		carnivorousplantButton.visible = true;
		doomshroomButton.visible = true;
		sunflowerCost.visible = true;
		wallnutCost.visible = true;
		carnivorousplantCost.visible = true;
		doomshroomCost.visible = true;
		// Show catapult plants for night roof boss level
		melonpultaButton.visible = true;
		coltapultaButton.visible = true;
		lanzamaizButton.visible = true;
		melonpultaCost.visible = true;
		coltapultaCost.visible = true;
		lanzamaizCost.visible = true;
		// Show pot plant for roof levels
		potButton.visible = true;
		potCost.visible = true;
		// Show boss health display
		bossHealthDisplay.visible = true;
		maxZombiesInWave = 50 + (levelNumber - 1) * 15; // Much harder boss fight
		maxWaves = 5 + levelNumber; // Many waves for boss
	} else if (isRoofMode) {
		// Day roof levels - only allow sunflower, doomshroom, wallnut, carnivorousplant, melonpulta, coltapulta, lanzamaiz
		game.setBackgroundColor(0x696969); // Gray roof background
		sunPoints = 125; // Medium-low sun for roof levels
		hideDayPlants();
		// Show only specific plants for roof levels
		sunflowerButton.visible = true;
		wallnutButton.visible = true;
		carnivorousplantButton.visible = true;
		doomshroomButton.visible = true;
		sunflowerCost.visible = true;
		wallnutCost.visible = true;
		carnivorousplantCost.visible = true;
		doomshroomCost.visible = true;
		// Show catapult plants for day roof levels
		melonpultaButton.visible = true;
		coltapultaButton.visible = true;
		lanzamaizButton.visible = true;
		melonpultaCost.visible = true;
		coltapultaCost.visible = true;
		lanzamaizCost.visible = true;
		// Show pot plant for roof levels
		potButton.visible = true;
		potCost.visible = true;
	} else if (isPoolMode) {
		game.setBackgroundColor(0x006994); // Blue pool background
		sunPoints = 100; // Medium sun for pool levels
		showDayPlants(); // Pool levels use day plants
	} else if (isNightMode) {
		game.setBackgroundColor(0x1a1a2e); // Dark blue night background
		sunPoints = 75; // Start with less sun at night
		hideDayPlants(); // Hide day plants
		createNightPlantButtons(); // Show night plants
	} else {
		game.setBackgroundColor(0x228B22); // Green day background
		showDayPlants(); // Show day plants
		// Hide boss health display for non-boss levels
		bossHealthDisplay.visible = false;
	}
	// Clear all arrays and destroy objects
	for (var i = plants.length - 1; i >= 0; i--) {
		plants[i].destroy();
	}
	plants = [];
	for (var j = zombies.length - 1; j >= 0; j--) {
		zombies[j].destroy();
	}
	zombies = [];
	for (var k = peas.length - 1; k >= 0; k--) {
		peas[k].destroy();
	}
	peas = [];
	for (var l = suns.length - 1; l >= 0; l--) {
		suns[l].destroy();
	}
	suns = [];
	for (var m = lawnmowers.length - 1; m >= 0; m--) {
		lawnmowers[m].destroy();
	}
	lawnmowers = [];
	for (var t = tombstones.length - 1; t >= 0; t--) {
		tombstones[t].destroy();
	}
	tombstones = [];
	// Clear boss-specific objects
	if (conveyorBelt) {
		conveyorBelt.destroy();
		conveyorBelt = null;
	}
	if (robotBoss) {
		robotBoss.destroy();
		robotBoss = null;
	}
	for (var f = fireballs.length - 1; f >= 0; f--) {
		fireballs[f].destroy();
	}
	fireballs = [];
	// Create boss-specific objects for level 19
	if (isRoofMode && levelNumber === 19) {
		// Create conveyor belt for boss level
		conveyorBelt = new ConveyorBelt();
		conveyorBelt.x = 1024; // Center of screen
		conveyorBelt.y = 200; // Top area
		game.addChild(conveyorBelt);
		// Create robot boss
		robotBoss = new RobotBoss();
		robotBoss.x = 1800; // Right side of screen
		robotBoss.y = 1000; // Middle vertically
		game.addChild(robotBoss);
	}
	// Spawn tombstones for night levels after clearing existing ones (but not for boss fight)
	if (isNightMode && levelNumber !== 19) {
		spawnTombstones();
	}
	// Reset seed cooldowns
	for (var seedType in seedCooldowns) {
		seedCooldowns[seedType] = 0;
	}
	// Reinitialize lawnmowers
	for (var row = 0; row < gridRows; row++) {
		var lawnmower = new Lawnmower();
		lawnmower.x = 220;
		lawnmower.y = gridStartY + row * cellSize;
		game.addChild(lawnmower);
		lawnmowers.push(lawnmower);
	}
	// Add water tiles for pool levels (11-15)
	if (isPoolMode) {
		// Add water in the middle rows (approximately rows 4-8) for all columns
		for (var waterRow = 4; waterRow <= 8; waterRow++) {
			for (var waterCol = 0; waterCol < gridCols; waterCol++) {
				var waterTile = LK.getAsset('water', {
					anchorX: 0.5,
					anchorY: 0.5,
					x: gridStartX + waterCol * cellSize,
					y: gridStartY + waterRow * cellSize,
					alpha: 0.7
				});
				game.addChild(waterTile);
				waterTiles.push(waterTile);
			}
		}
	}
	// Update grid tiles for roof levels
	if (isRoofMode) {
		updateGridTiles(levelNumber);
		// Hide bushes for roof levels
		bushes.visible = false;
		bushes2.visible = false;
		bushes3.visible = false;
		bushes4.visible = false;
		bushes5.visible = false;
		bushes6.visible = false;
		bushes7.visible = false;
		bushes8.visible = false;
		bushes9.visible = false;
		bushes10.visible = false;
		bushes11.visible = false;
		bushes12.visible = false;
		bushes13.visible = false;
	} else {
		// Show bushes for non-roof levels
		bushes.visible = true;
		bushes2.visible = true;
		bushes3.visible = true;
		bushes4.visible = true;
		bushes5.visible = true;
		bushes6.visible = true;
		bushes7.visible = true;
		bushes8.visible = true;
		bushes9.visible = true;
		bushes10.visible = true;
		bushes11.visible = true;
		bushes12.visible = true;
		bushes13.visible = true;
	}
	// Add 3 vertical lines of pots for roof levels
	if (isRoofMode) {
		// Create 3 vertical lines of pots at the first 3 columns from the left (0, 1, 2)
		var potColumns = [0, 1, 2];
		for (var potColIndex = 0; potColIndex < potColumns.length; potColIndex++) {
			var potCol = potColumns[potColIndex];
			for (var potRow = 0; potRow < gridRows; potRow++) {
				var potPlant = new Plant('pot');
				potPlant.x = gridStartX + potCol * cellSize;
				potPlant.y = gridStartY + potRow * cellSize;
				game.addChild(potPlant);
				plants.push(potPlant);
			}
		}
	}
	// Update displays
	updateSunDisplay();
	waveDisplay.setText('Wave: ' + currentWave + '/' + maxWaves);
}
// Button event handlers
sunflowerButton.down = function (x, y, obj) {
	if (canPlant('sunflower')) {
		selectedPlantType = 'sunflower';
		shovelSelected = false;
		sunflowerButton.alpha = 1;
		sunflowerButton.tint = 0x808080;
		peashooterButton.alpha = isSeedReady('peashooter') ? 1 : 0.5;
		peashooterButton.tint = 0xffffff;
		wallnutButton.alpha = isSeedReady('wallnut') ? 1 : 0.5;
		wallnutButton.tint = 0xffffff;
		potatomineButton.alpha = isSeedReady('potatomine') ? 1 : 0.5;
		potatomineButton.tint = 0xffffff;
		carnivorousplantButton.alpha = isSeedReady('carnivorousplant') ? 1 : 0.5;
		carnivorousplantButton.tint = 0xffffff;
		doomshroomButton.alpha = isSeedReady('doomshroom') ? 1 : 0.5;
		doomshroomButton.tint = 0xffffff;
		repeaterButton.alpha = isSeedReady('repeater') ? 1 : 0.5;
		repeaterButton.tint = 0xffffff;
		threepeaterButton.alpha = isSeedReady('threepeater') ? 1 : 0.5;
		threepeaterButton.tint = 0xffffff;
		spikeButton.alpha = isSeedReady('spikeweed') ? 1 : 0.5;
		spikeButton.tint = 0xffffff;
		splitpeaterButton.alpha = isSeedReady('splitpeater') ? 1 : 0.5;
		splitpeaterButton.tint = 0xffffff;
		shovelButton.alpha = 1;
		shovelButton.tint = 0xffffff;
	}
};
peashooterButton.down = function (x, y, obj) {
	if (canPlant('peashooter')) {
		selectedPlantType = 'peashooter';
		shovelSelected = false;
		peashooterButton.alpha = 1;
		peashooterButton.tint = 0x808080;
		sunflowerButton.alpha = isSeedReady('sunflower') ? 1 : 0.5;
		sunflowerButton.tint = 0xffffff;
		wallnutButton.alpha = isSeedReady('wallnut') ? 1 : 0.5;
		wallnutButton.tint = 0xffffff;
		potatomineButton.alpha = isSeedReady('potatomine') ? 1 : 0.5;
		potatomineButton.tint = 0xffffff;
		carnivorousplantButton.alpha = isSeedReady('carnivorousplant') ? 1 : 0.5;
		carnivorousplantButton.tint = 0xffffff;
		doomshroomButton.alpha = isSeedReady('doomshroom') ? 1 : 0.5;
		doomshroomButton.tint = 0xffffff;
		repeaterButton.alpha = isSeedReady('repeater') ? 1 : 0.5;
		repeaterButton.tint = 0xffffff;
		threepeaterButton.alpha = isSeedReady('threepeater') ? 1 : 0.5;
		threepeaterButton.tint = 0xffffff;
		shovelButton.alpha = 1;
		shovelButton.tint = 0xffffff;
	}
};
wallnutButton.down = function (x, y, obj) {
	if (canPlant('wallnut')) {
		selectedPlantType = 'wallnut';
		shovelSelected = false;
		wallnutButton.alpha = 1;
		wallnutButton.tint = 0x808080;
		sunflowerButton.alpha = isSeedReady('sunflower') ? 1 : 0.5;
		sunflowerButton.tint = 0xffffff;
		peashooterButton.alpha = isSeedReady('peashooter') ? 1 : 0.5;
		peashooterButton.tint = 0xffffff;
		potatomineButton.alpha = isSeedReady('potatomine') ? 1 : 0.5;
		potatomineButton.tint = 0xffffff;
		carnivorousplantButton.alpha = isSeedReady('carnivorousplant') ? 1 : 0.5;
		carnivorousplantButton.tint = 0xffffff;
		doomshroomButton.alpha = isSeedReady('doomshroom') ? 1 : 0.5;
		doomshroomButton.tint = 0xffffff;
		repeaterButton.alpha = isSeedReady('repeater') ? 1 : 0.5;
		repeaterButton.tint = 0xffffff;
		threepeaterButton.alpha = isSeedReady('threepeater') ? 1 : 0.5;
		threepeaterButton.tint = 0xffffff;
		shovelButton.alpha = 1;
		shovelButton.tint = 0xffffff;
	}
};
potatomineButton.down = function (x, y, obj) {
	if (canPlant('potatomine')) {
		selectedPlantType = 'potatomine';
		shovelSelected = false;
		potatomineButton.alpha = 1;
		potatomineButton.tint = 0x808080;
		sunflowerButton.alpha = isSeedReady('sunflower') ? 1 : 0.5;
		sunflowerButton.tint = 0xffffff;
		peashooterButton.alpha = isSeedReady('peashooter') ? 1 : 0.5;
		peashooterButton.tint = 0xffffff;
		wallnutButton.alpha = isSeedReady('wallnut') ? 1 : 0.5;
		wallnutButton.tint = 0xffffff;
		carnivorousplantButton.alpha = isSeedReady('carnivorousplant') ? 1 : 0.5;
		carnivorousplantButton.tint = 0xffffff;
		doomshroomButton.alpha = isSeedReady('doomshroom') ? 1 : 0.5;
		doomshroomButton.tint = 0xffffff;
		repeaterButton.alpha = isSeedReady('repeater') ? 1 : 0.5;
		repeaterButton.tint = 0xffffff;
		threepeaterButton.alpha = isSeedReady('threepeater') ? 1 : 0.5;
		threepeaterButton.tint = 0xffffff;
		shovelButton.alpha = 1;
		shovelButton.tint = 0xffffff;
	}
};
carnivorousplantButton.down = function (x, y, obj) {
	if (canPlant('carnivorousplant')) {
		selectedPlantType = 'carnivorousplant';
		shovelSelected = false;
		carnivorousplantButton.alpha = 1;
		carnivorousplantButton.tint = 0x808080;
		sunflowerButton.alpha = isSeedReady('sunflower') ? 1 : 0.5;
		sunflowerButton.tint = 0xffffff;
		peashooterButton.alpha = isSeedReady('peashooter') ? 1 : 0.5;
		peashooterButton.tint = 0xffffff;
		wallnutButton.alpha = isSeedReady('wallnut') ? 1 : 0.5;
		wallnutButton.tint = 0xffffff;
		potatomineButton.alpha = isSeedReady('potatomine') ? 1 : 0.5;
		potatomineButton.tint = 0xffffff;
		doomshroomButton.alpha = isSeedReady('doomshroom') ? 1 : 0.5;
		doomshroomButton.tint = 0xffffff;
		repeaterButton.alpha = isSeedReady('repeater') ? 1 : 0.5;
		repeaterButton.tint = 0xffffff;
		threepeaterButton.alpha = isSeedReady('threepeater') ? 1 : 0.5;
		threepeaterButton.tint = 0xffffff;
		shovelButton.alpha = 1;
		shovelButton.tint = 0xffffff;
	}
};
doomshroomButton.down = function (x, y, obj) {
	if (canPlant('doomshroom')) {
		selectedPlantType = 'doomshroom';
		shovelSelected = false;
		doomshroomButton.alpha = 1;
		doomshroomButton.tint = 0x808080;
		sunflowerButton.alpha = isSeedReady('sunflower') ? 1 : 0.5;
		sunflowerButton.tint = 0xffffff;
		peashooterButton.alpha = isSeedReady('peashooter') ? 1 : 0.5;
		peashooterButton.tint = 0xffffff;
		wallnutButton.alpha = isSeedReady('wallnut') ? 1 : 0.5;
		wallnutButton.tint = 0xffffff;
		potatomineButton.alpha = isSeedReady('potatomine') ? 1 : 0.5;
		potatomineButton.tint = 0xffffff;
		carnivorousplantButton.alpha = isSeedReady('carnivorousplant') ? 1 : 0.5;
		carnivorousplantButton.tint = 0xffffff;
		repeaterButton.alpha = isSeedReady('repeater') ? 1 : 0.5;
		repeaterButton.tint = 0xffffff;
		threepeaterButton.alpha = isSeedReady('threepeater') ? 1 : 0.5;
		threepeaterButton.tint = 0xffffff;
		shovelButton.alpha = 1;
		shovelButton.tint = 0xffffff;
	}
};
repeaterButton.down = function (x, y, obj) {
	if (canPlant('repeater')) {
		selectedPlantType = 'repeater';
		shovelSelected = false;
		repeaterButton.alpha = 1;
		repeaterButton.tint = 0x808080;
		sunflowerButton.alpha = isSeedReady('sunflower') ? 1 : 0.5;
		sunflowerButton.tint = 0xffffff;
		peashooterButton.alpha = isSeedReady('peashooter') ? 1 : 0.5;
		peashooterButton.tint = 0xffffff;
		wallnutButton.alpha = isSeedReady('wallnut') ? 1 : 0.5;
		wallnutButton.tint = 0xffffff;
		potatomineButton.alpha = isSeedReady('potatomine') ? 1 : 0.5;
		potatomineButton.tint = 0xffffff;
		carnivorousplantButton.alpha = isSeedReady('carnivorousplant') ? 1 : 0.5;
		carnivorousplantButton.tint = 0xffffff;
		doomshroomButton.alpha = isSeedReady('doomshroom') ? 1 : 0.5;
		doomshroomButton.tint = 0xffffff;
		threepeaterButton.alpha = isSeedReady('threepeater') ? 1 : 0.5;
		threepeaterButton.tint = 0xffffff;
		shovelButton.alpha = 1;
		shovelButton.tint = 0xffffff;
	}
};
threepeaterButton.down = function (x, y, obj) {
	if (canPlant('threepeater')) {
		selectedPlantType = 'threepeater';
		shovelSelected = false;
		threepeaterButton.alpha = 1;
		threepeaterButton.tint = 0x808080;
		sunflowerButton.alpha = isSeedReady('sunflower') ? 1 : 0.5;
		sunflowerButton.tint = 0xffffff;
		peashooterButton.alpha = isSeedReady('peashooter') ? 1 : 0.5;
		peashooterButton.tint = 0xffffff;
		wallnutButton.alpha = isSeedReady('wallnut') ? 1 : 0.5;
		wallnutButton.tint = 0xffffff;
		potatomineButton.alpha = isSeedReady('potatomine') ? 1 : 0.5;
		potatomineButton.tint = 0xffffff;
		carnivorousplantButton.alpha = isSeedReady('carnivorousplant') ? 1 : 0.5;
		carnivorousplantButton.tint = 0xffffff;
		doomshroomButton.alpha = isSeedReady('doomshroom') ? 1 : 0.5;
		doomshroomButton.tint = 0xffffff;
		repeaterButton.alpha = isSeedReady('repeater') ? 1 : 0.5;
		repeaterButton.tint = 0xffffff;
		shovelButton.alpha = 1;
		shovelButton.tint = 0xffffff;
	}
};
spikeButton.down = function (x, y, obj) {
	if (canPlant('spikeweed')) {
		selectedPlantType = 'spikeweed';
		shovelSelected = false;
		spikeButton.alpha = 1;
		spikeButton.tint = 0x808080;
		sunflowerButton.alpha = isSeedReady('sunflower') ? 1 : 0.5;
		sunflowerButton.tint = 0xffffff;
		peashooterButton.alpha = isSeedReady('peashooter') ? 1 : 0.5;
		peashooterButton.tint = 0xffffff;
		wallnutButton.alpha = isSeedReady('wallnut') ? 1 : 0.5;
		wallnutButton.tint = 0xffffff;
		potatomineButton.alpha = isSeedReady('potatomine') ? 1 : 0.5;
		potatomineButton.tint = 0xffffff;
		carnivorousplantButton.alpha = isSeedReady('carnivorousplant') ? 1 : 0.5;
		carnivorousplantButton.tint = 0xffffff;
		doomshroomButton.alpha = isSeedReady('doomshroom') ? 1 : 0.5;
		doomshroomButton.tint = 0xffffff;
		repeaterButton.alpha = isSeedReady('repeater') ? 1 : 0.5;
		repeaterButton.tint = 0xffffff;
		threepeaterButton.alpha = isSeedReady('threepeater') ? 1 : 0.5;
		threepeaterButton.tint = 0xffffff;
		splitpeaterButton.alpha = isSeedReady('splitpeater') ? 1 : 0.5;
		splitpeaterButton.tint = 0xffffff;
		shovelButton.alpha = 1;
		shovelButton.tint = 0xffffff;
	}
};
splitpeaterButton.down = function (x, y, obj) {
	if (canPlant('splitpeater')) {
		selectedPlantType = 'splitpeater';
		shovelSelected = false;
		splitpeaterButton.alpha = 1;
		splitpeaterButton.tint = 0x808080;
		sunflowerButton.alpha = isSeedReady('sunflower') ? 1 : 0.5;
		sunflowerButton.tint = 0xffffff;
		peashooterButton.alpha = isSeedReady('peashooter') ? 1 : 0.5;
		peashooterButton.tint = 0xffffff;
		wallnutButton.alpha = isSeedReady('wallnut') ? 1 : 0.5;
		wallnutButton.tint = 0xffffff;
		potatomineButton.alpha = isSeedReady('potatomine') ? 1 : 0.5;
		potatomineButton.tint = 0xffffff;
		carnivorousplantButton.alpha = isSeedReady('carnivorousplant') ? 1 : 0.5;
		carnivorousplantButton.tint = 0xffffff;
		doomshroomButton.alpha = isSeedReady('doomshroom') ? 1 : 0.5;
		doomshroomButton.tint = 0xffffff;
		repeaterButton.alpha = isSeedReady('repeater') ? 1 : 0.5;
		repeaterButton.tint = 0xffffff;
		threepeaterButton.alpha = isSeedReady('threepeater') ? 1 : 0.5;
		threepeaterButton.tint = 0xffffff;
		spikeButton.alpha = isSeedReady('spikeweed') ? 1 : 0.5;
		spikeButton.tint = 0xffffff;
		shovelButton.alpha = 1;
		shovelButton.tint = 0xffffff;
	}
};
restartButton.down = function (x, y, obj) {
	// Reset all game variables
	sunPoints = 150;
	currentWave = 1;
	maxZombiesInWave = 30;
	waveSpawnTimer = 0;
	zombiesInWave = 0;
	selectedPlantType = null;
	shovelSelected = false;
	gameState = 'playing';
	// Clear all arrays and destroy objects
	for (var i = plants.length - 1; i >= 0; i--) {
		plants[i].destroy();
	}
	plants = [];
	for (var j = zombies.length - 1; j >= 0; j--) {
		zombies[j].destroy();
	}
	zombies = [];
	for (var k = peas.length - 1; k >= 0; k--) {
		peas[k].destroy();
	}
	peas = [];
	for (var l = suns.length - 1; l >= 0; l--) {
		suns[l].destroy();
	}
	suns = [];
	for (var m = lawnmowers.length - 1; m >= 0; m--) {
		lawnmowers[m].destroy();
	}
	lawnmowers = [];
	for (var n = waterTiles.length - 1; n >= 0; n--) {
		waterTiles[n].destroy();
	}
	waterTiles = [];
	for (var t = tombstones.length - 1; t >= 0; t--) {
		tombstones[t].destroy();
	}
	tombstones = [];
	// Reset seed cooldowns
	for (var seedType in seedCooldowns) {
		seedCooldowns[seedType] = 0;
	}
	// Reinitialize lawnmowers
	for (var row = 0; row < gridRows; row++) {
		var lawnmower = new Lawnmower();
		lawnmower.x = 220;
		lawnmower.y = gridStartY + row * cellSize;
		game.addChild(lawnmower);
		lawnmowers.push(lawnmower);
	}
	// Update displays
	updateSunDisplay();
	waveDisplay.setText('Wave: ' + currentWave + '/' + maxWaves);
	// Reset button states
	sunflowerButton.alpha = 1;
	sunflowerButton.tint = 0xffffff;
	peashooterButton.alpha = 1;
	peashooterButton.tint = 0xffffff;
	wallnutButton.alpha = 1;
	wallnutButton.tint = 0xffffff;
	potatomineButton.alpha = 1;
	potatomineButton.tint = 0xffffff;
	carnivorousplantButton.alpha = 1;
	carnivorousplantButton.tint = 0xffffff;
	doomshroomButton.alpha = 1;
	doomshroomButton.tint = 0xffffff;
	repeaterButton.alpha = 1;
	repeaterButton.tint = 0xffffff;
	threepeaterButton.alpha = 1;
	threepeaterButton.tint = 0xffffff;
	spikeButton.alpha = 1;
	spikeButton.tint = 0xffffff;
	splitpeaterButton.alpha = 1;
	splitpeaterButton.tint = 0xffffff;
	shovelButton.alpha = 1;
	shovelButton.tint = 0xffffff;
};
lilypadButton.down = function (x, y, obj) {
	if (canPlant('lilypad')) {
		selectedPlantType = 'lilypad';
		shovelSelected = false;
		lilypadButton.alpha = 1;
		lilypadButton.tint = 0x808080;
		sunflowerButton.alpha = isSeedReady('sunflower') ? 1 : 0.5;
		sunflowerButton.tint = 0xffffff;
		peashooterButton.alpha = isSeedReady('peashooter') ? 1 : 0.5;
		peashooterButton.tint = 0xffffff;
		wallnutButton.alpha = isSeedReady('wallnut') ? 1 : 0.5;
		wallnutButton.tint = 0xffffff;
		potatomineButton.alpha = isSeedReady('potatomine') ? 1 : 0.5;
		potatomineButton.tint = 0xffffff;
		carnivorousplantButton.alpha = isSeedReady('carnivorousplant') ? 1 : 0.5;
		carnivorousplantButton.tint = 0xffffff;
		doomshroomButton.alpha = isSeedReady('doomshroom') ? 1 : 0.5;
		doomshroomButton.tint = 0xffffff;
		repeaterButton.alpha = isSeedReady('repeater') ? 1 : 0.5;
		repeaterButton.tint = 0xffffff;
		threepeaterButton.alpha = isSeedReady('threepeater') ? 1 : 0.5;
		threepeaterButton.tint = 0xffffff;
		spikeButton.alpha = isSeedReady('spikeweed') ? 1 : 0.5;
		spikeButton.tint = 0xffffff;
		splitpeaterButton.alpha = isSeedReady('splitpeater') ? 1 : 0.5;
		splitpeaterButton.tint = 0xffffff;
		shovelButton.alpha = 1;
		shovelButton.tint = 0xffffff;
	}
};
shovelButton.down = function (x, y, obj) {
	shovelSelected = true;
	selectedPlantType = null;
	shovelButton.alpha = 1;
	shovelButton.tint = 0x808080;
	sunflowerButton.alpha = isSeedReady('sunflower') ? 1 : 0.5;
	sunflowerButton.tint = 0xffffff;
	peashooterButton.alpha = isSeedReady('peashooter') ? 1 : 0.5;
	peashooterButton.tint = 0xffffff;
	wallnutButton.alpha = isSeedReady('wallnut') ? 1 : 0.5;
	wallnutButton.tint = 0xffffff;
	potatomineButton.alpha = isSeedReady('potatomine') ? 1 : 0.5;
	potatomineButton.tint = 0xffffff;
	carnivorousplantButton.alpha = isSeedReady('carnivorousplant') ? 1 : 0.5;
	carnivorousplantButton.tint = 0xffffff;
	doomshroomButton.alpha = isSeedReady('doomshroom') ? 1 : 0.5;
	doomshroomButton.tint = 0xffffff;
	repeaterButton.alpha = isSeedReady('repeater') ? 1 : 0.5;
	repeaterButton.tint = 0xffffff;
	threepeaterButton.alpha = isSeedReady('threepeater') ? 1 : 0.5;
	threepeaterButton.tint = 0xffffff;
	spikeButton.alpha = 1;
	spikeButton.tint = 0xffffff;
	lilypadButton.alpha = 1;
	lilypadButton.tint = 0xffffff;
};
// Add event handlers for catapult plant buttons
melonpultaButton.down = function (x, y, obj) {
	if (canPlant('melonpulta')) {
		selectedPlantType = 'melonpulta';
		shovelSelected = false;
		melonpultaButton.alpha = 1;
		melonpultaButton.tint = 0x808080;
		// Reset other buttons
		sunflowerButton.alpha = isSeedReady('sunflower') ? 1 : 0.5;
		sunflowerButton.tint = 0xffffff;
		wallnutButton.alpha = isSeedReady('wallnut') ? 1 : 0.5;
		wallnutButton.tint = 0xffffff;
		carnivorousplantButton.alpha = isSeedReady('carnivorousplant') ? 1 : 0.5;
		carnivorousplantButton.tint = 0xffffff;
		doomshroomButton.alpha = isSeedReady('doomshroom') ? 1 : 0.5;
		doomshroomButton.tint = 0xffffff;
		coltapultaButton.alpha = isSeedReady('coltapulta') ? 1 : 0.5;
		coltapultaButton.tint = 0xffffff;
		lanzamaizButton.alpha = isSeedReady('lanzamaiz') ? 1 : 0.5;
		lanzamaizButton.tint = 0xffffff;
		shovelButton.alpha = 1;
		shovelButton.tint = 0xffffff;
	}
};
coltapultaButton.down = function (x, y, obj) {
	if (canPlant('coltapulta')) {
		selectedPlantType = 'coltapulta';
		shovelSelected = false;
		coltapultaButton.alpha = 1;
		coltapultaButton.tint = 0x808080;
		// Reset other buttons
		sunflowerButton.alpha = isSeedReady('sunflower') ? 1 : 0.5;
		sunflowerButton.tint = 0xffffff;
		wallnutButton.alpha = isSeedReady('wallnut') ? 1 : 0.5;
		wallnutButton.tint = 0xffffff;
		carnivorousplantButton.alpha = isSeedReady('carnivorousplant') ? 1 : 0.5;
		carnivorousplantButton.tint = 0xffffff;
		doomshroomButton.alpha = isSeedReady('doomshroom') ? 1 : 0.5;
		doomshroomButton.tint = 0xffffff;
		melonpultaButton.alpha = isSeedReady('melonpulta') ? 1 : 0.5;
		melonpultaButton.tint = 0xffffff;
		lanzamaizButton.alpha = isSeedReady('lanzamaiz') ? 1 : 0.5;
		lanzamaizButton.tint = 0xffffff;
		shovelButton.alpha = 1;
		shovelButton.tint = 0xffffff;
	}
};
lanzamaizButton.down = function (x, y, obj) {
	if (canPlant('lanzamaiz')) {
		selectedPlantType = 'lanzamaiz';
		shovelSelected = false;
		lanzamaizButton.alpha = 1;
		lanzamaizButton.tint = 0x808080;
		// Reset other buttons
		sunflowerButton.alpha = isSeedReady('sunflower') ? 1 : 0.5;
		sunflowerButton.tint = 0xffffff;
		wallnutButton.alpha = isSeedReady('wallnut') ? 1 : 0.5;
		wallnutButton.tint = 0xffffff;
		carnivorousplantButton.alpha = isSeedReady('carnivorousplant') ? 1 : 0.5;
		carnivorousplantButton.tint = 0xffffff;
		doomshroomButton.alpha = isSeedReady('doomshroom') ? 1 : 0.5;
		doomshroomButton.tint = 0xffffff;
		melonpultaButton.alpha = isSeedReady('melonpulta') ? 1 : 0.5;
		melonpultaButton.tint = 0xffffff;
		coltapultaButton.alpha = isSeedReady('coltapulta') ? 1 : 0.5;
		coltapultaButton.tint = 0xffffff;
		shovelButton.alpha = 1;
		shovelButton.tint = 0xffffff;
	}
};
// Add event handler for pot plant button
potButton.down = function (x, y, obj) {
	if (canPlant('pot')) {
		selectedPlantType = 'pot';
		shovelSelected = false;
		potButton.alpha = 1;
		potButton.tint = 0x808080;
		// Reset other buttons
		sunflowerButton.alpha = isSeedReady('sunflower') ? 1 : 0.5;
		sunflowerButton.tint = 0xffffff;
		wallnutButton.alpha = isSeedReady('wallnut') ? 1 : 0.5;
		wallnutButton.tint = 0xffffff;
		carnivorousplantButton.alpha = isSeedReady('carnivorousplant') ? 1 : 0.5;
		carnivorousplantButton.tint = 0xffffff;
		doomshroomButton.alpha = isSeedReady('doomshroom') ? 1 : 0.5;
		doomshroomButton.tint = 0xffffff;
		melonpultaButton.alpha = isSeedReady('melonpulta') ? 1 : 0.5;
		melonpultaButton.tint = 0xffffff;
		coltapultaButton.alpha = isSeedReady('coltapulta') ? 1 : 0.5;
		coltapultaButton.tint = 0xffffff;
		lanzamaizButton.alpha = isSeedReady('lanzamaiz') ? 1 : 0.5;
		lanzamaizButton.tint = 0xffffff;
		shovelButton.alpha = 1;
		shovelButton.tint = 0xffffff;
	}
};
exitLevelButton.down = function (x, y, obj) {
	// Clear all game objects and return to level selection
	// Clear plants first to ensure they visually disappear
	for (var i = plants.length - 1; i >= 0; i--) {
		plants[i].destroy();
	}
	plants = [];
	for (var j = zombies.length - 1; j >= 0; j--) {
		zombies[j].destroy();
	}
	zombies = [];
	for (var k = peas.length - 1; k >= 0; k--) {
		peas[k].destroy();
	}
	peas = [];
	for (var l = suns.length - 1; l >= 0; l--) {
		suns[l].destroy();
	}
	suns = [];
	for (var m = lawnmowers.length - 1; m >= 0; m--) {
		lawnmowers[m].destroy();
	}
	lawnmowers = [];
	for (var n = waterTiles.length - 1; n >= 0; n--) {
		waterTiles[n].destroy();
	}
	waterTiles = [];
	for (var t = tombstones.length - 1; t >= 0; t--) {
		tombstones[t].destroy();
	}
	tombstones = [];
	// Clear seed cooldowns for night mode
	for (var seedType in seedCooldowns) {
		seedCooldowns[seedType] = 0;
	}
	// Return to level selection
	showLevelSelection();
};
// Game event handlers
game.down = function (x, y, obj) {
	if (shovelSelected) {
		// Remove plant functionality
		var gridPos = getGridPosition(x, y);
		if (gridPos) {
			for (var i = plants.length - 1; i >= 0; i--) {
				var plant = plants[i];
				var plantRow = Math.floor((plant.y - gridStartY + cellSize / 2) / cellSize);
				var plantCol = Math.floor((plant.x - gridStartX + cellSize / 2) / cellSize);
				if (plantRow === gridPos.row && plantCol === gridPos.col) {
					plant.destroy();
					plants.splice(i, 1);
					shovelSelected = false;
					// Reset button alphas and tints
					sunflowerButton.alpha = isSeedReady('sunflower') ? 1 : 0.5;
					sunflowerButton.tint = 0xffffff;
					peashooterButton.alpha = isSeedReady('peashooter') ? 1 : 0.5;
					peashooterButton.tint = 0xffffff;
					wallnutButton.alpha = isSeedReady('wallnut') ? 1 : 0.5;
					wallnutButton.tint = 0xffffff;
					potatomineButton.alpha = isSeedReady('potatomine') ? 1 : 0.5;
					potatomineButton.tint = 0xffffff;
					carnivorousplantButton.alpha = isSeedReady('carnivorousplant') ? 1 : 0.5;
					carnivorousplantButton.tint = 0xffffff;
					doomshroomButton.alpha = isSeedReady('doomshroom') ? 1 : 0.5;
					doomshroomButton.tint = 0xffffff;
					repeaterButton.alpha = isSeedReady('repeater') ? 1 : 0.5;
					repeaterButton.tint = 0xffffff;
					threepeaterButton.alpha = isSeedReady('threepeater') ? 1 : 0.5;
					threepeaterButton.tint = 0xffffff;
					shovelButton.alpha = 1;
					shovelButton.tint = 0xffffff;
					break;
				}
			}
		}
	} else if (selectedPlantType) {
		var gridPos = getGridPosition(x, y);
		if (gridPos && canPlantOnPosition(selectedPlantType, gridPos.row, gridPos.col)) {
			// For conveyor belt seeds (boss level), don't check sun cost or cooldown
			var isBossLevel = currentLevel === 19;
			var canPlaceFromBelt = isBossLevel && seedCooldowns[selectedPlantType] === 0;
			var canPlaceNormal = !isBossLevel && canPlant(selectedPlantType);
			if (canPlaceFromBelt || canPlaceNormal) {
				// Only deduct sun points for non-boss levels
				if (!isBossLevel) {
					sunPoints -= plantCosts[selectedPlantType];
					updateSunDisplay();
					// Start seed recharge for normal levels
					seedCooldowns[selectedPlantType] = seedRechargeTime;
				}
				var newPlant = new Plant(selectedPlantType);
				newPlant.x = gridPos.x;
				newPlant.y = gridPos.y;
				game.addChild(newPlant);
				plants.push(newPlant);
				LK.getSound('plant').play();
				selectedPlantType = null;
				// Reset button alphas and tints based on cooldown status
				sunflowerButton.alpha = isSeedReady('sunflower') ? 1 : 0.5;
				sunflowerButton.tint = 0xffffff;
				peashooterButton.alpha = isSeedReady('peashooter') ? 1 : 0.5;
				peashooterButton.tint = 0xffffff;
				wallnutButton.alpha = isSeedReady('wallnut') ? 1 : 0.5;
				wallnutButton.tint = 0xffffff;
				potatomineButton.alpha = isSeedReady('potatomine') ? 1 : 0.5;
				potatomineButton.tint = 0xffffff;
				carnivorousplantButton.alpha = isSeedReady('carnivorousplant') ? 1 : 0.5;
				carnivorousplantButton.tint = 0xffffff;
				doomshroomButton.alpha = isSeedReady('doomshroom') ? 1 : 0.5;
				doomshroomButton.tint = 0xffffff;
				repeaterButton.alpha = isSeedReady('repeater') ? 1 : 0.5;
				repeaterButton.tint = 0xffffff;
				threepeaterButton.alpha = isSeedReady('threepeater') ? 1 : 0.5;
				threepeaterButton.tint = 0xffffff;
				shovelButton.alpha = 1;
				shovelButton.tint = 0xffffff;
			}
		}
	}
};
// Main game update loop
game.update = function () {
	if (gameState === 'loading') {
		// Loading screen handles its own updates
		return;
	} else if (gameState === 'levelSelect') {
		// Level selection screen - no game updates needed
		return;
	} else if (gameState !== 'playing') {
		return;
	}
	// Wave management
	waveSpawnTimer++;
	if (currentWave <= maxWaves) {
		// Only spawn zombies if not boss level (level 19) - boss will spawn them
		if (currentLevel !== 19 && waveSpawnTimer >= 1500 && zombiesInWave < maxZombiesInWave) {
			// Spawn 1 zombie every 25 seconds (1500 ticks)
			spawnZombie();
			zombiesInWave++;
			waveSpawnTimer = 0;
		} else if (zombiesInWave >= maxZombiesInWave && zombies.length === 0) {
			// Wave completed
			currentWave++;
			zombiesInWave = 0;
			maxZombiesInWave += 5; // Increase difficulty more
			waveDisplay.setText('Wave: ' + currentWave + '/' + maxWaves);
		}
	}
	// Pea vs Zombie collision
	for (var i = peas.length - 1; i >= 0; i--) {
		var pea = peas[i];
		var peaHit = false;
		for (var j = zombies.length - 1; j >= 0; j--) {
			var zombie = zombies[j];
			if (Math.abs(pea.x - zombie.x) < 50 && Math.abs(pea.y - zombie.y) < 50) {
				if (zombie.takeDamage(pea.damage)) {
					zombie.destroy();
					zombies.splice(j, 1);
				}
				pea.destroy();
				peas.splice(i, 1);
				peaHit = true;
				break;
			}
		}
		if (!peaHit && pea.x > 2200) {
			pea.destroy();
			peas.splice(i, 1);
		}
	}
	// Remove destroyed suns
	for (var k = suns.length - 1; k >= 0; k--) {
		if (suns[k].collected) {
			suns.splice(k, 1);
		}
	}
	// Update seed cooldowns
	for (var seedType in seedCooldowns) {
		if (seedCooldowns[seedType] > 0) {
			seedCooldowns[seedType]--;
		}
	}
	// Lawnmower activation - check if zombies reach the left side
	for (var m = zombies.length - 1; m >= 0; m--) {
		var zombie = zombies[m];
		if (zombie.x < 250) {
			var zombieRow = Math.floor((zombie.y - gridStartY + cellSize / 2) / cellSize);
			if (zombieRow >= 0 && zombieRow < lawnmowers.length && !lawnmowers[zombieRow].activated) {
				lawnmowers[zombieRow].activated = true;
				// Remove zombie that triggered the lawnmower
				zombie.destroy();
				zombies.splice(m, 1);
			}
		}
	}
	// Remove lawnmowers that are off screen
	for (var n = lawnmowers.length - 1; n >= 0; n--) {
		if (lawnmowers[n].x > 2200) {
			lawnmowers.splice(n, 1);
		}
	}
	// Lawnmower vs zombie collision
	for (var p = 0; p < lawnmowers.length; p++) {
		var lawnmower = lawnmowers[p];
		if (lawnmower.activated) {
			for (var q = zombies.length - 1; q >= 0; q--) {
				var zombie = zombies[q];
				if (Math.abs(lawnmower.x - zombie.x) < 60 && Math.abs(lawnmower.y - zombie.y) < 60) {
					zombie.destroy();
					zombies.splice(q, 1);
				}
			}
		}
	}
	// Update button visual states based on cooldowns
	sunflowerButton.alpha = isSeedReady('sunflower') ? 1 : 0.5;
	peashooterButton.alpha = isSeedReady('peashooter') ? 1 : 0.5;
	wallnutButton.alpha = isSeedReady('wallnut') ? 1 : 0.5;
	potatomineButton.alpha = isSeedReady('potatomine') ? 1 : 0.5;
	carnivorousplantButton.alpha = isSeedReady('carnivorousplant') ? 1 : 0.5;
	doomshroomButton.alpha = isSeedReady('doomshroom') ? 1 : 0.5;
	repeaterButton.alpha = isSeedReady('repeater') ? 1 : 0.5;
	threepeaterButton.alpha = isSeedReady('threepeater') ? 1 : 0.5;
	spikeButton.alpha = isSeedReady('spikeweed') ? 1 : 0.5;
	// Fireball vs Plant collision (boss level only)
	if (currentLevel === 19 && fireballs && fireballs.length > 0) {
		for (var fb = fireballs.length - 1; fb >= 0; fb--) {
			var fireball = fireballs[fb];
			if (fireball && fireball.x !== undefined) {
				var fireballHit = false;
				for (var pl = plants.length - 1; pl >= 0; pl--) {
					var plant = plants[pl];
					if (Math.abs(fireball.x - plant.x) < 60 && Math.abs(fireball.y - plant.y) < 60) {
						if (plant.takeDamage(fireball.damage)) {
							plant.destroy();
							plants.splice(pl, 1);
						}
						fireball.destroy();
						fireballs.splice(fb, 1);
						fireballHit = true;
						break;
					}
				}
				if (!fireballHit && fireball.x < -100) {
					fireball.destroy();
					fireballs.splice(fb, 1);
				}
			}
		}
		// Pea vs Robot Boss collision
		for (var peaIdx = peas.length - 1; peaIdx >= 0; peaIdx--) {
			var pea = peas[peaIdx];
			if (robotBoss && Math.abs(pea.x - robotBoss.x) < 100 && Math.abs(pea.y - robotBoss.y) < 150) {
				if (robotBoss.takeDamage(pea.damage)) {
					// Boss defeated, handled in RobotBoss class
				}
				pea.destroy();
				peas.splice(peaIdx, 1);
			}
		}
	}
	// Check win condition
	checkWinCondition();
};

===================================================================
--- original.js
+++ change.js
@@ -1052,12 +1052,12 @@
 						// Remove landing indicator
 						for (var k = 0; k < landingIndicators.length; k++) {
 							landingIndicators[k].destroy();
 						}
-						// Spit single fireball toward random target position
+						// Spit single fireball toward random target position from boss mouth
 						var fireball = new Fireball();
-						fireball.x = self.x - 50;
-						fireball.y = fireballTargets[0].y; // Use random target Y position
+						fireball.x = self.x - 80; // Spawn from mouth area (further left from center)
+						fireball.y = self.y - 50; // Spawn from mouth height (upper part of boss)
 						game.addChild(fireball);
 						fireballs.push(fireball);
 						// Close mouth
 						tween(self, {
@@ -2749,10 +2749,10 @@
 		robotBoss.x = 1800; // Right side of screen
 		robotBoss.y = 1000; // Middle vertically
 		game.addChild(robotBoss);
 	}
-	// Spawn tombstones for night levels after clearing existing ones
-	if (isNightMode) {
+	// Spawn tombstones for night levels after clearing existing ones (but not for boss fight)
+	if (isNightMode && levelNumber !== 19) {
 		spawnTombstones();
 	}
 	// Reset seed cooldowns
 	for (var seedType in seedCooldowns) {