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

/**** 
* Classes
****/ 
// Removed plugin import to fix 'Unable to load plugins' error
var Animal = Container.expand(function () {
	var self = Container.call(this);
	self.animalAsset = null;
	self.setAnimalImage = function (imageId) {
		if (self.animalAsset) {
			self.animalAsset.destroy();
		}
		self.animalAsset = self.attachAsset(imageId, {
			anchorX: 0.5,
			anchorY: 0.5
		});
	};
	return self;
});
// Bird class
var Bird = Container.expand(function () {
	var self = Container.call(this);
	// Create the bird asset
	var birdAsset = self.attachAsset('Bird', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 1,
		scaleX: 0.8,
		scaleY: 0.8
	});
	// Variables for movement
	self.speed = 1.0; // Faster than clouds
	self.lifeTime = 3000; // 50 seconds at 60fps
	self.lifeCounter = 0; // Track how long bird has been visible
	self.flyHeight = 0; // Vertical position offset for flying pattern
	// Initialize bird
	self.init = function () {
		self.lifeCounter = 0;
		self.alpha = 1;
		// Start movement animation using tween
		self.startMoving();
	};
	// Start the left to right movement with slight up/down wave pattern
	self.startMoving = function () {
		// Move bird to the right side of screen
		var targetX = 2048 + birdAsset.width / 2; // Move past right edge
		// Create the movement tween
		tween(self, {
			x: targetX
		}, {
			duration: 20000,
			// Faster than clouds - 20 seconds to cross screen
			easing: tween.linear
		});
	};
	// Update function called every frame - optimized
	self.update = function () {
		// Early return if invisible or not visible - prevents unnecessary calculations
		if (self.alpha <= 0 || !self.visible) return;
		// Increment life counter first for potential early returns
		self.lifeCounter++;
		// Only check edge crossing if we're near the edge - optimization
		var edgeX = 2048 + birdAsset.width / 2;
		if (self.x >= edgeX) {
			// Stop any existing tweens on this bird
			tween.stop(self);
			// Fade out animation
			tween(self, {
				alpha: 0
			}, {
				duration: 500,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					// Remove bird from game
					self.destroy();
				}
			});
			return; // Early return after starting fade out animation
		}
		// Create a small wavy flight pattern - only for visible, active birds
		self.y = self.y + Math.sin(self.lifeCounter * 0.03) * 1.5;
	};
	return self;
});
// CarrotSlot class for area 2
var CarrotSlot = Container.expand(function () {
	var self = Container.call(this);
	self.slotAsset = self.attachAsset('carrot', {
		anchorX: 0.5,
		anchorY: 1
	});
	var sproutAsset = self.attachAsset('sprout', {
		anchorX: 0.5,
		anchorY: 1,
		alpha: 0,
		scaleX: 0.5,
		scaleY: 0.5
	});
	self.harvested = false;
	self.regrowTime = 1800; // 30 seconds at 60fps
	self.regrowCounter = 0;
	self.fieldIndex = 1; // Area 2
	self.regrowing = false;
	// Show/hide carrot and handle regrow animation
	self.setHarvested = function (harvested) {
		self.harvested = harvested;
		if (harvested) {
			// Hide carrot with animation
			tween(self.slotAsset, {
				alpha: 0,
				scaleX: 0.5,
				scaleY: 0.5
			}, {
				duration: 300,
				easing: tween.easeOut
			});
			// Show sprout with animation
			sproutAsset.alpha = 1;
			sproutAsset.scaleX = 0.1;
			sproutAsset.scaleY = 0.1;
			// Animate sprout appearing
			tween(sproutAsset, {
				scaleX: 0.5,
				scaleY: 0.5
			}, {
				duration: 300,
				easing: tween.easeOut
			});
			self.regrowCounter = self.regrowTime;
			self.regrowing = true;
		} else {
			// Show carrot with animation
			tween(self.slotAsset, {
				alpha: 1,
				scaleX: 1,
				scaleY: 1
			}, {
				duration: 300,
				easing: tween.easeIn
			});
			// Hide sprout with animation
			tween(sproutAsset, {
				alpha: 0
			}, {
				duration: 300,
				easing: tween.easeIn
			});
			self.regrowing = false;
		}
	};
	// Regrow logic
	self.update = function () {
		if (self.harvested && self.regrowing) {
			if (self.regrowCounter > 0) {
				// Animate sprout growing to carrot size
				var t = 1 - self.regrowCounter / self.regrowTime;
				sproutAsset.scaleX = 0.5 + 0.5 * t;
				sproutAsset.scaleY = 0.5 + 0.5 * t;
				self.regrowCounter--;
			}
			if (self.regrowCounter <= 0) {
				// Sprout is now full size, switch back to carrot and allow harvest again
				sproutAsset.scaleX = 1;
				sproutAsset.scaleY = 1;
				self.setHarvested(false);
			}
		}
	};
	// For hit detection
	self.isHarvestable = function () {
		return !self.harvested;
	};
	return self;
});
// Cloud class
var Cloud = Container.expand(function () {
	var self = Container.call(this);
	// Create the cloud asset
	var cloudAsset = self.attachAsset('cloud', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.8 // Semi-transparent clouds
	});
	// Variables for movement
	self.speed = 0.2; // Very slow speed for smooth movement
	self.lifeTime = 6000; // 100 seconds at 60fps - longer lifetime
	self.lifeCounter = 0; // Track how long cloud has been visible
	self.layer = 0; // Layer for visual depth (0 = front, 1 = back)
	// Initialize cloud
	self.init = function () {
		self.lifeCounter = 0;
		self.alpha = 1;
		// Apply layer-specific settings
		if (self.layer === 1) {
			// Back layer cloud (slightly smaller and more transparent)
			self.scale.set(0.8, 0.8);
			self.alpha = 0.7;
		}
		// Start movement animation using tween
		self.startMoving();
	};
	// Start the left to right movement only
	self.startMoving = function () {
		// Move cloud to the right side of screen
		var targetX = 2048 + cloudAsset.width / 2; // Move past right edge
		// Create the movement tween
		tween(self, {
			x: targetX
		}, {
			duration: 60000,
			// Slower movement - 60 seconds to cross screen
			easing: tween.linear
		});
	};
	// Update function called every frame - optimized
	self.update = function () {
		// Early return if invisible or not visible - saves processing
		if (self.alpha <= 0 || !self.visible) return;
		// Track lastX for edge detection - initialize once if undefined
		if (typeof self.lastX === "undefined") self.lastX = self.x;
		// Only check edge crossing if we're near the edge - optimization
		var edgeX = 2048 + cloudAsset.width / 2;
		if (self.x >= edgeX && self.lastX < edgeX) {
			// Stop any existing tweens on this cloud to prevent conflicts
			tween.stop(self);
			// Fade out animation
			tween(self, {
				alpha: 0
			}, {
				duration: 1000,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					// Remove cloud from game
					self.destroy();
				}
			});
		}
		// Update lastX for next frame
		self.lastX = self.x;
	};
	return self;
});
// EggplantSlot class for area 4
var EggplantSlot = Container.expand(function () {
	var self = Container.call(this);
	self.slotAsset = self.attachAsset('eggplant', {
		anchorX: 0.5,
		anchorY: 1
	});
	var sproutAsset = self.attachAsset('sprout', {
		anchorX: 0.5,
		anchorY: 1,
		alpha: 0,
		scaleX: 0.5,
		scaleY: 0.5
	});
	self.harvested = false;
	self.regrowTime = 1800; // 30 seconds at 60fps
	self.regrowCounter = 0;
	self.fieldIndex = 3; // Area 4
	self.regrowing = false;
	// Show/hide eggplant and handle regrow animation
	self.setHarvested = function (harvested) {
		self.harvested = harvested;
		if (harvested) {
			// Hide eggplant with animation
			tween(self.slotAsset, {
				alpha: 0,
				scaleX: 0.5,
				scaleY: 0.5
			}, {
				duration: 300,
				easing: tween.easeOut
			});
			// Show sprout with animation
			sproutAsset.alpha = 1;
			sproutAsset.scaleX = 0.1;
			sproutAsset.scaleY = 0.1;
			// Animate sprout appearing
			tween(sproutAsset, {
				scaleX: 0.5,
				scaleY: 0.5
			}, {
				duration: 300,
				easing: tween.easeOut
			});
			self.regrowCounter = self.regrowTime;
			self.regrowing = true;
		} else {
			// Show eggplant with animation
			tween(self.slotAsset, {
				alpha: 1,
				scaleX: 1,
				scaleY: 1
			}, {
				duration: 300,
				easing: tween.easeIn
			});
			// Hide sprout with animation
			tween(sproutAsset, {
				alpha: 0
			}, {
				duration: 300,
				easing: tween.easeIn
			});
			self.regrowing = false;
		}
	};
	// Regrow logic
	self.update = function () {
		if (self.harvested && self.regrowing) {
			if (self.regrowCounter > 0) {
				// Animate sprout growing to eggplant size
				var t = 1 - self.regrowCounter / self.regrowTime;
				sproutAsset.scaleX = 0.5 + 0.5 * t;
				sproutAsset.scaleY = 0.5 + 0.5 * t;
				self.regrowCounter--;
			}
			if (self.regrowCounter <= 0) {
				// Sprout is now full size, switch back to eggplant and allow harvest again
				sproutAsset.scaleX = 1;
				sproutAsset.scaleY = 1;
				self.setHarvested(false);
			}
		}
	};
	// For hit detection
	self.isHarvestable = function () {
		return !self.harvested;
	};
	return self;
});
// Farmer class
var Farmer = Container.expand(function () {
	var self = Container.call(this);
	// Create animation frames
	var idleFrame = self.attachAsset('farmer', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 1
	});
	// Frame 2 (running)
	var runningFrame = self.attachAsset('farmer_walk', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	});
	// Frame 3 (right step)
	var rightStepFrame = self.attachAsset('farmer_walk', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0,
		rotation: 0.1
	});
	self.speed = 18; // px per move
	self.targetX = self.x;
	self.targetY = self.y;
	self.moving = false;
	self.lastMoving = false;
	self.animationTimer = 0;
	self.animationFrame = 0;
	self.frameTime = 18; // 0.3 seconds at 60fps
	// Animation frame switching
	self.switchToFrame = function (frameNum) {
		idleFrame.alpha = 0;
		runningFrame.alpha = 0;
		rightStepFrame.alpha = 0;
		if (frameNum === 0) {
			// Idle
			idleFrame.alpha = 1;
		} else if (frameNum === 1) {
			// Running
			runningFrame.alpha = 1;
		} else if (frameNum === 2) {
			// Right step
			rightStepFrame.alpha = 1;
		}
	};
	// Move farmer towards target
	self.update = function () {
		// Track movement direction and update image
		if (self.moving) {
			var dx = self.targetX - self.x;
			// Check if moving right or left
			if (dx > 0) {
				// Moving right - use player_right asset
				idleFrame.scaleX = 1;
				runningFrame.scaleX = 1;
				rightStepFrame.scaleX = 1;
				// Switch to player_right image
				if (self.currentAsset !== idleFrame || idleFrame.texture !== LK.getAsset('player_right', {}).texture) {
					if (self.currentAsset) {
						self.currentAsset.alpha = 0;
					}
					var rightAsset = LK.getAsset('player_right', {
						anchorX: 0.5,
						anchorY: 0.5
					});
					rightAsset.alpha = 1;
					self.addChild(rightAsset);
					self.currentAsset = rightAsset;
				}
			} else if (dx < 0) {
				// Moving left - use player_left asset
				idleFrame.scaleX = -1;
				runningFrame.scaleX = -1;
				rightStepFrame.scaleX = -1;
				// Switch to player_left image
				if (self.currentAsset !== idleFrame || idleFrame.texture !== LK.getAsset('player_left', {}).texture) {
					if (self.currentAsset) {
						self.currentAsset.alpha = 0;
					}
					var leftAsset = LK.getAsset('player_left', {
						anchorX: 0.5,
						anchorY: 0.5
					});
					leftAsset.alpha = 1;
					self.addChild(leftAsset);
					self.currentAsset = leftAsset;
				}
			}
			// Animation handling
			self.animationTimer++;
			if (self.animationTimer >= self.frameTime) {
				self.animationTimer = 0;
				self.animationFrame = self.animationFrame === 1 ? 2 : 1; // Toggle between frames 1 and 2
				self.switchToFrame(self.animationFrame);
			}
		} else if (!self.moving && self.lastMoving) {
			// Just stopped moving - switch to idle
			self.switchToFrame(0);
		}
		self.lastMoving = self.moving;
		if (!self.moving) return;
		var dx = self.targetX - self.x;
		var dy = self.targetY - self.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist < self.speed) {
			self.x = self.targetX;
			self.y = self.targetY;
			self.moving = false;
			// Switch to idle frame when stopping
			self.switchToFrame(0);
		} else {
			self.x += self.speed * dx / dist;
			self.y += self.speed * dy / dist;
		}
	};
	// Set movement target
	self.moveTo = function (x, y) {
		self.targetX = x;
		self.targetY = y;
		// Start movement
		if (!self.moving) {
			self.moving = true;
			self.animationFrame = 1;
			self.animationTimer = 0;
			self.switchToFrame(self.animationFrame);
		}
	};
	// Attach sickle to farmer's hand
	var sickle = self.attachAsset('sickle', {
		anchorX: 0.2,
		// hand position, left side of ellipse
		anchorY: 0.7,
		// slightly below center
		x: 0,
		y: 30
	});
	sickle.alpha = 1;
	// Add attack animation for sickle
	self.attack = function () {
		tween(sickle, {
			rotation: Math.PI * 2
		}, {
			duration: 300,
			easing: tween.easeIn,
			onFinish: function onFinish() {
				sickle.rotation = 0;
			}
		});
	};
	return self;
});
// Field class
var Field = Container.expand(function () {
	var self = Container.call(this);
	self.index = 0; // 0-3
	self.locked = false;
	self.lockCost = 0;
	self.lockNode = null;
	self.fenceNodes = [];
	self.wheats = [];
	self.unlockBtn = null;
	// Draw fences - Empty implementation to eliminate fences
	self.drawFences = function (x, y, w, h) {
		self.fenceNodes = [];
		// No fences or gates are created
	};
	// Place wheat
	self.placeWheats = function (x, y, w, h, count) {
		self.wheats = [];
		// Define grid size
		var rows = 5;
		var cols = 10;
		// Choose vegetable asset per area
		var vegAssetId = 'wheat';
		if (self.index === 1) vegAssetId = 'carrot';
		if (self.index === 2) vegAssetId = 'tomato';
		if (self.index === 3) vegAssetId = 'eggplant';
		// Fallback if asset not found, use wheat
		if (!LK.assets || !LK.assets[vegAssetId]) vegAssetId = 'wheat';
		// Calculate asset size for spacing (use wheat size as reference for all)
		var vegAsset = LK.getAsset('wheat', {
			anchorX: 0.5,
			anchorY: 1
		});
		var wheatW = vegAsset.width;
		var wheatH = vegAsset.height;
		// Padding from fences
		var padX = 60;
		var padY = 60;
		// Compute available area for wheat grid
		var gridW = w - 2 * padX;
		var gridH = h - 2 * padY;
		// Compute spacing between wheat plants
		var spacingX = (gridW - wheatW) / (cols - 1);
		var spacingY = (gridH - wheatH) / (rows - 1);
		// Place appropriate vegetable in grid based on field index
		for (var row = 0; row < rows; ++row) {
			for (var col = 0; col < cols; ++col) {
				var wx = x + padX + col * spacingX + wheatW / 2;
				var wy = y + padY + row * spacingY + wheatH;
				var veg;
				// Create appropriate vegetable based on area/field index
				if (self.index === 1) {
					veg = new CarrotSlot();
				} else if (self.index === 2) {
					veg = new TomatoSlot();
				} else if (self.index === 3) {
					veg = new EggplantSlot();
				} else {
					veg = new Wheat();
					veg.fieldIndex = self.index;
					veg.vegAssetId = vegAssetId;
					veg.setVegAsset && veg.setVegAsset(vegAssetId);
				}
				veg.x = wx;
				veg.y = wy;
				self.addChild(veg);
				self.wheats.push(veg);
			}
		}
	};
	// Lock overlay
	self.showLock = function (centerX, centerY) {
		if (self.lockNode) return;
		self.lockNode = LK.getAsset('lock', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: centerX,
			y: centerY
		});
		self.addChild(self.lockNode);
		// Unlock text
		var unlockTxt = new Text2('Unlock\n$' + self.lockCost, {
			size: 60,
			fill: "#fff"
		});
		unlockTxt.anchor.set(0.5, 0.5);
		unlockTxt.x = centerX;
		unlockTxt.y = centerY + 70;
		self.unlockBtn = unlockTxt;
		self.addChild(unlockTxt);
	};
	self.hideLock = function () {
		if (self.lockNode) {
			self.lockNode.destroy();
			self.lockNode = null;
		}
		if (self.unlockBtn) {
			self.unlockBtn.destroy();
			self.unlockBtn = null;
		}
	};
	return self;
});
// Rooster class with 4-frame animation cycling smoothly
var Rooster = Container.expand(function () {
	var self = Container.call(this);
	// Animation frame asset ids
	var frameIds = ['rooster_1', 'rooster_2', 'rooster_3', 'rooster_4'];
	self.roosterFrames = [];
	self.currentFrame = 0;
	self.frameTimer = 0;
	self.frameInterval = 10; // ~0.16s per frame at 60fps (smooth)
	// Attach all frames, only show the first
	for (var i = 0; i < frameIds.length; ++i) {
		var frame = self.attachAsset(frameIds[i], {
			anchorX: 0.5,
			anchorY: 0.5,
			alpha: i === 0 ? 1 : 0
		});
		self.roosterFrames.push(frame);
	}
	// Animation update
	self.update = function () {
		self.frameTimer++;
		if (self.frameTimer >= self.frameInterval) {
			// Hide current frame
			self.roosterFrames[self.currentFrame].alpha = 0;
			// Advance to next frame
			self.currentFrame = (self.currentFrame + 1) % self.roosterFrames.length;
			// Show new frame
			self.roosterFrames[self.currentFrame].alpha = 1;
			self.frameTimer = 0;
		}
	};
	return self;
});
// TomatoSlot class for area 3
var TomatoSlot = Container.expand(function () {
	var self = Container.call(this);
	self.slotAsset = self.attachAsset('tomato', {
		anchorX: 0.5,
		anchorY: 1
	});
	var sproutAsset = self.attachAsset('sprout', {
		anchorX: 0.5,
		anchorY: 1,
		alpha: 0,
		scaleX: 0.5,
		scaleY: 0.5
	});
	self.harvested = false;
	self.regrowTime = 1800; // 30 seconds at 60fps
	self.regrowCounter = 0;
	self.fieldIndex = 2; // Area 3
	self.regrowing = false;
	// Show/hide tomato and handle regrow animation
	self.setHarvested = function (harvested) {
		self.harvested = harvested;
		if (harvested) {
			// Hide tomato with animation
			tween(self.slotAsset, {
				alpha: 0,
				scaleX: 0.5,
				scaleY: 0.5
			}, {
				duration: 300,
				easing: tween.easeOut
			});
			// Show sprout with animation
			sproutAsset.alpha = 1;
			sproutAsset.scaleX = 0.1;
			sproutAsset.scaleY = 0.1;
			// Animate sprout appearing
			tween(sproutAsset, {
				scaleX: 0.5,
				scaleY: 0.5
			}, {
				duration: 300,
				easing: tween.easeOut
			});
			self.regrowCounter = self.regrowTime;
			self.regrowing = true;
		} else {
			// Show tomato with animation
			tween(self.slotAsset, {
				alpha: 1,
				scaleX: 1,
				scaleY: 1
			}, {
				duration: 300,
				easing: tween.easeIn
			});
			// Hide sprout with animation
			tween(sproutAsset, {
				alpha: 0
			}, {
				duration: 300,
				easing: tween.easeIn
			});
			self.regrowing = false;
		}
	};
	// Regrow logic
	self.update = function () {
		if (self.harvested && self.regrowing) {
			if (self.regrowCounter > 0) {
				// Animate sprout growing to tomato size
				var t = 1 - self.regrowCounter / self.regrowTime;
				sproutAsset.scaleX = 0.5 + 0.5 * t;
				sproutAsset.scaleY = 0.5 + 0.5 * t;
				self.regrowCounter--;
			}
			if (self.regrowCounter <= 0) {
				// Sprout is now full size, switch back to tomato and allow harvest again
				sproutAsset.scaleX = 1;
				sproutAsset.scaleY = 1;
				self.setHarvested(false);
			}
		}
	};
	// For hit detection
	self.isHarvestable = function () {
		return !self.harvested;
	};
	return self;
});
// Wheat class
var Wheat = Container.expand(function () {
	var self = Container.call(this);
	self.vegAssetId = 'wheat';
	self.wheatAsset = self.attachAsset('wheat', {
		anchorX: 0.5,
		anchorY: 1
	});
	var sproutAsset = self.attachAsset('sprout', {
		anchorX: 0.5,
		anchorY: 1,
		alpha: 0,
		scaleX: 0.5,
		scaleY: 0.5
	});
	self.harvested = false;
	self.regrowTime = 1800; // 30 seconds at 60fps
	self.regrowCounter = 0;
	self.fieldIndex = 0; // which field this wheat belongs to
	self.regrowing = false;
	self.removeAfter = 0;
	// Change vegetable asset if needed
	self.setVegAsset = function (assetId) {
		if (self.wheatAsset) {
			self.wheatAsset.destroy();
		}
		self.vegAssetId = assetId || 'wheat';
		// Only allow wheat, carrot, tomato, eggplant
		var validAssets = {
			wheat: 1,
			carrot: 1,
			tomato: 1,
			eggplant: 1
		};
		if (!validAssets[self.vegAssetId]) self.vegAssetId = 'wheat';
		self.wheatAsset = self.attachAsset(self.vegAssetId, {
			anchorX: 0.5,
			anchorY: 1
		});
		// Make sure sprout is on top
		self.removeChild(sproutAsset);
		self.addChild(sproutAsset);
	};
	// Show/hide wheat and handle regrow animation
	self.setHarvested = function (harvested) {
		self.harvested = harvested;
		if (harvested) {
			// Hide wheat, show sprout
			if (self.wheatAsset) {
				// Animate wheat harvesting with tween
				tween(self.wheatAsset, {
					alpha: 0,
					scaleX: 0.5,
					scaleY: 0.5
				}, {
					duration: 300,
					easing: tween.easeOut
				});
			}
			// Show and animate sprout growing from nothing
			sproutAsset.alpha = 1;
			sproutAsset.scaleX = 0.1;
			sproutAsset.scaleY = 0.1;
			// Animate sprout appearing
			tween(sproutAsset, {
				scaleX: 0.5,
				scaleY: 0.5
			}, {
				duration: 300,
				easing: tween.easeOut
			});
			self.regrowCounter = self.regrowTime;
			self.regrowing = true;
		} else {
			// Show wheat/veg, hide sprout with animation
			if (self.wheatAsset) {
				tween(self.wheatAsset, {
					alpha: 1,
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 300,
					easing: tween.easeIn
				});
			}
			// Fade out sprout
			tween(sproutAsset, {
				alpha: 0
			}, {
				duration: 300,
				easing: tween.easeIn
			});
			self.regrowing = false;
		}
	};
	// Regrow logic and removal after 5 seconds - highly optimized
	self.update = function () {
		// Early return if not harvested or not regrowing - prevents unnecessary checks
		if (!self.harvested || !self.regrowing) return;
		if (self.regrowCounter > 0) {
			// Optimize calculations by using cached values and only calculating once
			var t = 1 - self.regrowCounter / self.regrowTime;
			var newScale = 0.5 + 0.5 * t;
			sproutAsset.scaleX = newScale;
			sproutAsset.scaleY = newScale;
			self.regrowCounter--;
		} else {
			// Sprout is now full size, switch back to wheat/veg and allow harvest again
			sproutAsset.scaleX = 1;
			sproutAsset.scaleY = 1;
			self.setHarvested(false);
		}
	};
	// For hit detection
	self.isHarvestable = function () {
		return !self.harvested;
	};
	return self;
});
var Zombie = Container.expand(function () {
	var self = Container.call(this);
	// Create the zombie frames (two different assets)
	var zombieFrame1 = self.attachAsset('zombie_1', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 1
	});
	var zombieFrame2 = self.attachAsset('zombie_2', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	});
	// Animation variables
	self.currentFrame = 0;
	self.frameTimer = 0;
	self.frameInterval = 15; // Frame switch interval
	self.speed = 2; // Movement speed
	self.lastX = 0; // Track previous X for collision detection
	self.lastY = 0; // Track previous Y for collision detection
	self.lastWasIntersecting = false; // Track previous intersection state
	self.isDead = false; // Track if zombie is dead
	// Handle click/tap on zombie
	self.down = function (x, y, obj) {
		// Mark zombie as clicked and initiate death sequence
		if (!self.isDead) {
			self.isDead = true;
			// Flash zombie yellow to indicate hit
			LK.effects.flashObject(self, 0xFFFF00, 300);
			// Death animation - fade out and scale down
			tween(self, {
				alpha: 0,
				scaleX: 0.5,
				scaleY: 0.5
			}, {
				duration: 800,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					// Remove zombie from game
					self.destroy();
					// Create new zombie after a 40s delay
					LK.setTimeout(createZombie, 40000);
				}
			});
			// Prevent event from bubbling to game (stop farmer movement)
			return true;
		}
	};
	// Zombie animation and movement
	self.update = function () {
		// Don't update if dead or not visible
		if (self.isDead || !self.visible) return;
		// Save previous position for collision detection
		self.lastX = self.x;
		self.lastY = self.y;
		// Frame animation
		self.frameTimer++;
		if (self.frameTimer >= self.frameInterval) {
			// Toggle between frames
			self.currentFrame = self.currentFrame === 0 ? 1 : 0;
			// Show current frame
			zombieFrame1.alpha = self.currentFrame === 0 ? 1 : 0;
			zombieFrame2.alpha = self.currentFrame === 1 ? 1 : 0;
			self.frameTimer = 0;
		}
		// Move zombie toward the farmer
		if (farmer) {
			var dx = farmer.x - self.x;
			var dy = farmer.y - self.y;
			var dist = Math.sqrt(dx * dx + dy * dy);
			if (dist > self.speed) {
				self.x += self.speed * dx / dist;
				self.y += self.speed * dy / dist;
			}
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x4caf50 // Grass green
});

/**** 
* Game Code
****/ 
// Area 4
// Area 3
// Area 2
// Lock icon (ellipse, gray)
// Sickle (ellipse, yellow)
// House (box)
// Farmer (box)
// Wheat (ellipse)
// Field fence (rectangle)
// --- Game constants ---
// Rooster animation frames (replace id values with your own image ids)
var FIELD_W = 900;
var FIELD_H = 900;
var FIELD_GAP = 120; // Increased gap to move fences further from center
var FIELD_COUNT = 4;
var WHEAT_PER_FIELD = 10;
// Area unlock prices and reward multipliers
var FIELD_LOCK_COSTS = [0, 20000, 40000, 60000]; // Area 1 open, others locked
var FIELD_REWARD_MULT = [1, 2, 3, 4]; // Area 1=1x, 2=2x, 3=3x, 4=4x
// --- Area constants ---
// Define the distance from center for all areas (equal distance)
var AREA_DISTANCE = 600;
// Create an array to hold the areas
var areas = [];
var animals = [];
// --- Game state ---
var fields = [];
var farmer = null;
var money = storage.money || 0;
var moneyTxt = null;
var sickle = null;
var dragging = false;
var dragOffsetX = 0;
var dragOffsetY = 0;
var unlockFieldIndex = -1;
var playerMovementBlockedByUIClick = false; // Flag to indicate UI handled the click
// --- Layout calculation ---
// Fields: 2x2 grid, with house in center
// [0][1]
// [2][3]
var fieldPositions = [{
	x: 0,
	y: 0
},
// top-left
{
	x: FIELD_W + FIELD_GAP,
	y: 0
},
// top-right
{
	x: 0,
	y: FIELD_H + FIELD_GAP
},
// bottom-left
{
	x: FIELD_W + FIELD_GAP,
	y: FIELD_H + FIELD_GAP
} // bottom-right
];
// Center everything in game area
var totalW = FIELD_W * 2 + FIELD_GAP;
var totalH = FIELD_H * 2 + FIELD_GAP;
var offsetX = Math.floor((2048 - totalW) / 2);
var offsetY = Math.floor((2732 - totalH) / 2);
// --- Create fields ---
// Load unlocked fields from storage, default to [true, false, false, false] (only first field unlocked)
// Defensive: ensure unlockedFields is an array of length 4
var unlockedFields = storage.unlockedFields;
if (!Array.isArray(unlockedFields) || unlockedFields.length !== 4) {
	unlockedFields = [true, false, false, false];
	storage.unlockedFields = unlockedFields;
}
for (var i = 0; i < FIELD_COUNT; ++i) {
	var f = new Field();
	f.index = i;
	// Use unlockedFields to determine locked state
	f.locked = !unlockedFields[i];
	f.lockCost = FIELD_LOCK_COSTS[i];
	var pos = fieldPositions[i];
	var fx = offsetX + pos.x;
	var fy = offsetY + pos.y;
	// Skip drawing fences
	f.placeWheats(fx, fy, FIELD_W, FIELD_H, WHEAT_PER_FIELD);
	if (f.locked) {
		// Center of field
		f.showLock(fx + FIELD_W / 2, fy + FIELD_H / 2);
	}
	game.addChild(f);
	fields.push(f);
}
// Center reference point for positions
var centerX = offsetX + FIELD_W;
var centerY = offsetY + FIELD_H - 250;
// --- Create farmer ---
farmer = new Farmer();
farmer.x = storage.farmerX || centerX;
farmer.y = storage.farmerY || centerY - 120; // Start at center area
game.addChild(farmer);
// --- Create sickle (attached to farmer's hand) ---
sickle = LK.getAsset('sickle', {
	anchorX: 0.2,
	// hand position, left side of ellipse
	anchorY: 0.7,
	// slightly below center
	x: 0,
	y: 30
});
sickle.alpha = 1;
// --- Money display ---
moneyTxt = new Text2('$0', {
	size: 100,
	fill: "#fff"
});
moneyTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(moneyTxt);
// --- Information message on right side ---
// Create the info message text
var infoMsgTxt = new Text2('Game controls: Use mouse to move.\nFor mobile, tap to move.', {
	size: 80,
	fill: "#fff"
});
infoMsgTxt.anchor.set(1, 0.5); // Right align, vertically centered
// Position at right side, vertically centered (avoid top 100px for menu)
infoMsgTxt.x = 2048 - 40; // 40px padding from right edge
infoMsgTxt.y = 2732 / 2;
game.addChild(infoMsgTxt);
// Hide after 30 seconds (1800 frames at 60fps)
LK.setTimeout(function () {
	if (infoMsgTxt && infoMsgTxt.parent) {
		infoMsgTxt.destroy();
	}
}, 30000);
// --- Missions UI ---
// "Missions" title
var missionsTitle = new Text2('Missions', {
	size: 90,
	fill: "#fff"
});
missionsTitle.anchor.set(0, 0); // Left align, top
// Place on the left side of the center part of the screen
var missionAreaX = 180; // 180px from left edge, safe from menu
var missionAreaY = 120; // Below top menu area
missionsTitle.x = missionAreaX;
missionsTitle.y = missionAreaY;
game.addChild(missionsTitle);
// Mission bar background (smaller, left side)
var missionBarBg = LK.getAsset('centerCircle', {
	anchorX: 0,
	anchorY: 0,
	x: missionAreaX,
	y: missionsTitle.y + missionsTitle.height + 18,
	scaleX: 2.2,
	scaleY: 0.5,
	alpha: 0.25
});
game.addChild(missionBarBg);
// Mission bar fill (progress)
var missionBarFill = LK.getAsset('centerCircle', {
	anchorX: 0,
	anchorY: 0,
	x: missionAreaX,
	y: missionsTitle.y + missionsTitle.height + 18,
	scaleX: 0,
	// Will be set dynamically
	scaleY: 0.5,
	tint: 0xFFD700,
	// Gold color
	alpha: 0.85
});
game.addChild(missionBarFill);
// Mission text
var missionText = new Text2('Reach $100,000', {
	size: 60,
	fill: "#fff"
});
missionText.anchor.set(0, 0);
missionText.x = missionAreaX + 10;
missionText.y = missionBarBg.y + missionBarBg.height + 8;
game.addChild(missionText);
// Store for update
var missionBarMaxWidth = 200; // px, visually (not used, but kept for reference)
var missionBarFillMaxScale = 2.2;
// --- Helper: update money display ---
function updateMoneyDisplay() {
	moneyTxt.setText('$' + money);
	// --- Missions progress update ---
	if (typeof missionBarFill !== "undefined") {
		// Clamp progress between 0 and 1
		var progress = Math.max(0, Math.min(1, money / 100000));
		missionBarFill.scaleX = missionBarFillMaxScale * progress;
	}
	// --- Mission complete: You Win! ---
	if (money >= 100000 && !game._missionWinShown) {
		game._missionWinShown = true;
		LK.showYouWin();
	}
}
// --- Helper: unlock field if enough money ---
function tryUnlockField(fieldIdx) {
	var f = fields[fieldIdx];
	if (!f.locked) return;
	if (money >= f.lockCost) {
		money -= f.lockCost;
		updateMoneyDisplay();
		f.locked = false;
		f.hideLock();
		// Update unlockedFields in storage only if changed
		var unlockedFields = storage.unlockedFields || [true, false, false, false];
		if (!unlockedFields[fieldIdx]) {
			unlockedFields[fieldIdx] = true;
			storage.unlockedFields = unlockedFields;
		}
		// Flash field green
		for (var i = 0; i < f.fenceNodes.length; ++i) {
			LK.effects.flashObject(f.fenceNodes[i], 0x00ff00, 600);
		}
	} else {
		// Not enough money, flash red
		LK.effects.flashScreen(0xff0000, 400);
	}
}
// --- Touch/mouse handling ---
var lastDownX = 0,
	lastDownY = 0;
var harvestMode = false;
var harvestWheat = null;
// Helper: find harvestable vegetable under (x, y) in unlocked fields
function findHarvestableWheat(x, y) {
	for (var i = 0; i < fields.length; ++i) {
		var f = fields[i];
		if (f.locked) continue;
		for (var j = 0; j < f.wheats.length; ++j) {
			var w = f.wheats[j];
			if (w.isHarvestable()) {
				// Use bounding box for hit
				var wx = w.x,
					wy = w.y;
				var ww = 60,
					wh = 80;
				if (x >= wx - ww / 2 && x <= wx + ww / 2 && y >= wy - wh && y <= wy) {
					return w;
				}
			}
		}
	}
	return null;
}
// Helper: find locked field under (x, y)
function findLockedField(x, y) {
	for (var i = 0; i < fields.length; ++i) {
		var f = fields[i];
		if (!f.locked) continue;
		// Use field area
		var pos = fieldPositions[i];
		var fx = offsetX + pos.x;
		var fy = offsetY + pos.y;
		if (x >= fx && x <= fx + FIELD_W && y >= fy && y <= fy + FIELD_H) {
			return i;
		}
	}
	return -1;
}
// --- Game event handlers ---
// Move farmer or harvest wheat
game.down = function (x, y, obj) {
	// If UI handled this click, do nothing for game movement.
	if (playerMovementBlockedByUIClick) {
		playerMovementBlockedByUIClick = false; // Reset flag for next input
		return;
	}
	// Shop system completely removed
	// No shopButton references needed anymore
	// Continue with normal game control flow
	// No shop button checks needed
	// 
	lastDownX = x;
	lastDownY = y;
	// Check if tapping on locked field unlock button
	var lockedIdx = findLockedField(x, y);
	if (lockedIdx >= 0) {
		var f = fields[lockedIdx];
		// If tap is near lock icon or unlock text
		var centerX = offsetX + fieldPositions[lockedIdx].x + FIELD_W / 2;
		var centerY = offsetY + fieldPositions[lockedIdx].y + FIELD_H / 2;
		var dist = Math.sqrt((x - centerX) * (x - centerX) + (y - centerY) * (y - centerY));
		if (dist < 120) {
			tryUnlockField(lockedIdx);
			return;
		}
	}
	// Check for wheat
	var w = findHarvestableWheat(x, y);
	if (w) {
		harvestMode = true;
		harvestWheat = w;
		// Change player to face forward during harvest
		// Switch to player_down for harvesting
		if (farmer.currentAsset) {
			farmer.currentAsset.alpha = 0;
		}
		var playerDown = LK.getAsset('player_down', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		playerDown.alpha = 1;
		farmer.addChild(playerDown);
		farmer.currentAsset = playerDown;
		// Trigger sickle attack animation
		farmer.attack();
		// Show harvest animation effect
		var harvestEffect = LK.getAsset('sprout', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: w.x,
			y: w.y - 50,
			alpha: 0.8,
			scaleX: 2,
			scaleY: 2
		});
		game.addChild(harvestEffect);
		// Animate the harvest effect
		tween(harvestEffect, {
			alpha: 0,
			y: harvestEffect.y - 100
		}, {
			duration: 500,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				harvestEffect.destroy();
			}
		});
		// Harvest
		w.setHarvested(true);
		var reward = 100 * (FIELD_REWARD_MULT[w.fieldIndex] || 1);
		money += reward;
		updateMoneyDisplay();
		// Flash wheat
		LK.effects.flashObject(w, 0xffff00, 300);
		// No setHarvested(false) here; regrow/removal handled in Wheat.update
		harvestMode = false;
		harvestWheat = null;
		return;
	}
	// Move farmer with animation
	farmer.moveTo(x, y);
	dragging = true;
	dragOffsetX = x - farmer.x;
	dragOffsetY = y - farmer.y;
};
// Drag farmer
game.move = function (x, y, obj) {
	// If UI interaction blocked the start of a drag, this helps.
	if (playerMovementBlockedByUIClick) {
		// Flag will be reset by the next 'down' event, or could be reset here if necessary,
		// but typically 'move' follows a 'down' that wasn't blocked.
		return;
	}
	// Shop system completely removed
	// 
	if (dragging) {
		farmer.moveTo(x - dragOffsetX, y - dragOffsetY);
	}
	if (harvestMode && harvestWheat) {
		sickle.x = x;
		sickle.y = y;
	}
};
// End drag/harvest
game.up = function (x, y, obj) {
	// If UI interaction blocked the 'down' event, 'up' should also be controlled.
	if (playerMovementBlockedByUIClick) {
		playerMovementBlockedByUIClick = false; // Reset flag here as well
		return;
	}
	// Shop system completely removed
	// 
	// 
	dragging = false;
	harvestMode = false;
	harvestWheat = null;
};
// --- Main update loop ---
// Defensive: If game is reset, clear win timer
game.update = function () {
	// Update farmer
	farmer.update();
	// Update wheat regrow
	for (var i = 0; i < fields.length; ++i) {
		var f = fields[i];
		f.wheats.forEach(function (wheat) {
			wheat.update();
		});
	}
	// Update clouds
	for (var i = 0; i < clouds.length; i++) {
		clouds[i].update();
	}
	// Update birds
	for (var i = 0; i < birds.length; i++) {
		birds[i].update();
	}
};
// --- Create areas and place animals ---
// Calculate center of game screen
var gameWidth = 2048;
var gameHeight = 2732;
var gameCenterX = gameWidth / 2;
var gameCenterY = gameHeight / 2;
// Create the four areas at equal distances from center
// Area_Left
var areaLeft = new Container();
areaLeft.x = gameCenterX - AREA_DISTANCE;
areaLeft.y = gameCenterY;
areaLeft.name = "Area_Left";
game.addChild(areaLeft);
areas.push(areaLeft);
// Area_Right
var areaRight = new Container();
areaRight.x = gameCenterX + AREA_DISTANCE;
areaRight.y = gameCenterY;
areaRight.name = "Area_Right";
game.addChild(areaRight);
areas.push(areaRight);
// Area_Top
var areaTop = new Container();
areaTop.x = gameCenterX;
areaTop.y = gameCenterY - AREA_DISTANCE;
areaTop.name = "Area_Top";
game.addChild(areaTop);
areas.push(areaTop);
// Area_Bottom
var areaBottom = new Container();
areaBottom.x = gameCenterX;
areaBottom.y = gameCenterY + AREA_DISTANCE;
areaBottom.name = "Area_Bottom";
game.addChild(areaBottom);
areas.push(areaBottom);
// Place animals in the areas
// Animal_Right at bottom right of screen
var animalRight = new Animal();
animalRight.setAnimalImage('animal_right');
animalRight.name = "Animal_Right";
// Place at bottom right, accounting for anchor (0.5, 0.5) and asset size
var animalRightAsset = LK.getAsset('animal_right', {
	anchorX: 0.5,
	anchorY: 0.5
});
animalRight.x = gameWidth - animalRightAsset.width / 2 - 10; // 10px padding from right
animalRight.y = gameHeight - animalRightAsset.height / 2 - 10; // 10px padding from bottom
game.addChild(animalRight);
animals.push(animalRight);
// Area_Bottom has no animal
// --- Create clouds ---
var clouds = [];
// Create clouds at different positions with increased delay
function createClouds() {
	// Reuse existing clouds or create new ones if pool is empty
	var cloud;
	if (clouds.length > 0) {
		cloud = clouds.pop();
		cloud.alpha = 1; // Reset alpha for visibility
		cloud.visible = true; // Ensure cloud is visible
	} else {
		cloud = new Cloud();
		game.addChild(cloud);
	}
	// Cloud width for calculations - cached outside for performance
	var cloudWidth = 500;
	cloud.x = -cloudWidth / 2; // Start from off-screen left
	cloud.y = 180; // Higher position near the top
	cloud.layer = 0; // Front layer - this will be in front
	cloud.init(); // Initialize movement and timing
	clouds.push(cloud);
	// Schedule creation of new clouds after these disappear - extended time
	LK.setTimeout(createClouds, 180000); // 180 seconds to spread out cloud creation more
}
// Start creating clouds
createClouds();
// Shop system completely removed
// --- Create zombie ---
var zombie = null;
var zombieDamageTimer = 0; // Timer to prevent continuous damage
var zombieDamageAmount = 500; // Initial zombie damage/cost
var zombieAppearCount = 0; // How many times zombie has appeared
// --- Create birds ---
var birds = [];
// Create a bird that starts at the top, flies across, disappears, and restarts in a loop
function createBird() {
	// Avoid overlapping timers - clear any existing
	if (window._birdCreationTimer) {
		LK.clearTimeout(window._birdCreationTimer);
		window._birdCreationTimer = null;
	}
	// Reuse existing birds or create new ones if pool is empty
	var bird;
	if (birds.length > 0) {
		bird = birds.pop();
		bird.alpha = 1; // Reset alpha for visibility
		bird.visible = true; // Ensure bird is visible
	} else {
		bird = new Bird();
		game.addChild(bird);
	}
	// Cache bird dimensions for better performance
	var birdWidth = 350; // Use known width instead of creating temporary asset
	var birdHeight = 350; // Use known height
	bird.x = -birdWidth / 2;
	bird.y = birdHeight / 2 + 20; // 20px padding from the very top
	bird.init();
	birds.push(bird);
	// Simple flag to prevent duplicate scheduling
	bird._nextBirdScheduled = false;
	// Optimized check function that runs less frequently
	bird._birdLoopCheck = function () {
		// Only schedule new bird once if this one is gone
		if ((!bird.parent || bird.alpha <= 0) && !bird._nextBirdScheduled) {
			bird._nextBirdScheduled = true;
			// Create new bird after a longer delay to reduce processing frequency
			window._birdCreationTimer = LK.setTimeout(createBird, 240000); // 240 seconds (4 min) delay for less frequent processing
		} else if (bird.parent && bird.alpha > 0) {
			// Check much less frequently to reduce timer overhead
			LK.setTimeout(bird._birdLoopCheck, 30000); // Check every 30 seconds instead of 15
		}
	};
	// Start the check after a longer delay
	LK.setTimeout(bird._birdLoopCheck, 30000);
}
// Start creating birds after 1 minute (60000 ms)
LK.setTimeout(createBird, 60000);
// Play background music in a loop
LK.playMusic('backgroundMusic', {
	loop: true
});
// --- Initial money display ---
updateMoneyDisplay();
// --- Place trees at corners ---
// Tree size
var treeWidth = 400;
var treeHeight = 532;
// Top left corner tree
var topLeftTree = LK.getAsset('tree', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: offsetX / 2,
	y: offsetY / 2
});
game.addChild(topLeftTree);
// Top right corner tree
var topRightTree = LK.getAsset('tree', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 - offsetX / 2,
	y: offsetY / 2
});
game.addChild(topRightTree);
// Bottom left corner tree
var bottomLeftTree = LK.getAsset('tree', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: offsetX / 2,
	y: 2732 - offsetY / 2
});
game.addChild(bottomLeftTree);
// Bottom right corner tree
var bottomRightTree = LK.getAsset('tree', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 - offsetX / 2,
	y: 2732 - offsetY / 2
});
game.addChild(bottomRightTree);
// --- Place trees at middle sides aligned with corner trees ---
// Tree to the left of center
var leftCenterTree = LK.getAsset('tree', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: offsetX / 2,
	y: topRightTree.y
});
game.addChild(leftCenterTree);
// Tree to the right of center
var rightCenterTree = LK.getAsset('tree', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 - offsetX / 2,
	y: topRightTree.y
});
game.addChild(rightCenterTree);
// --- Add Rooster that moves left-to-right, disappears at right edge, reappears after 40s and repeats ---
var rooster = null;
var roosterTimeout = null;
function spawnRooster() {
	// Remove any existing rooster - with robust null check
	if (rooster) {
		// Only try to destroy if rooster exists and has a parent
		if (rooster && rooster.parent) {
			try {
				rooster.destroy();
			} catch (e) {
				console.log("Error destroying rooster:", e);
			}
		}
		rooster = null;
	}
	rooster = new Rooster();
	// Start at the left center of the screen
	rooster.y = 2732 / 2;
	rooster.x = rooster.roosterFrames[0].width / 2 + 10;
	game.addChild(rooster);
	// Rooster path: left-to-right, horizontally centered
	var roosterStartX = rooster.roosterFrames[0].width / 2 + 10;
	var roosterEndX = 2048 - rooster.roosterFrames[0].width / 2 - 10;
	var roosterSpeed = 1; // px per frame, very slow movement
	rooster.targetX = roosterEndX;
	rooster.direction = 1; // 1: moving right
	rooster.updateRoosterMovement = function () {
		// Track lastX for edge detection
		if (typeof rooster.lastX === "undefined") rooster.lastX = rooster.x;
		// Move only horizontally in the center
		var dx = rooster.targetX - rooster.x;
		var dist = Math.abs(dx);
		if (dist < roosterSpeed) {
			rooster.x = rooster.targetX;
		} else {
			rooster.x += roosterSpeed * (dx > 0 ? 1 : -1);
		}
		// Call animation update
		if (typeof rooster.update === "function") {
			rooster.update();
		}
		// Check if rooster just reached the right edge (disappear trigger)
		if (rooster.lastX < roosterEndX && rooster.x >= roosterEndX) {
			// Fade out and destroy, then respawn after 40s
			tween(rooster, {
				alpha: 0
			}, {
				duration: 600,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					if (rooster && rooster.parent) {
						rooster.destroy();
					}
					roosterTimeout = LK.setTimeout(spawnRooster, 40000); // 40 seconds
				}
			});
		}
		// Update lastX for next frame
		rooster.lastX = rooster.x;
	};
}
// Add rooster update to main game loop
var oldGameUpdate = game.update;
game.update = function () {
	if (typeof oldGameUpdate === "function") oldGameUpdate();
	if (rooster && rooster.parent && typeof rooster.updateRoosterMovement === "function") {
		rooster.updateRoosterMovement();
	}
	// Update zombie
	if (zombie && zombie.parent) {
		zombie.update();
		// Collision detection with player (only triggers on state change)
		var isIntersecting = zombie.intersects(farmer);
		// Check if we just started intersecting
		if (!zombie.lastWasIntersecting && isIntersecting && zombieDamageTimer <= 0) {
			// Zombie just touched the player, deduct gold
			money = Math.max(0, money - zombieDamageAmount);
			updateMoneyDisplay();
			// Flash both zombie and farmer red
			LK.effects.flashObject(zombie, 0xff0000, 500);
			LK.effects.flashObject(farmer, 0xff0000, 500);
			// Set cooldown timer to prevent continuous damage (3 second cooldown)
			zombieDamageTimer = 180;
		}
		// Update intersection state
		zombie.lastWasIntersecting = isIntersecting;
		// Update damage cooldown timer
		if (zombieDamageTimer > 0) {
			zombieDamageTimer--;
		}
	}
	storage.farmerX = farmer.x;
	storage.farmerY = farmer.y;
	storage.money = money;
};
// Create the zombie
function createZombie() {
	// Reuse existing zombie or create new one if pool is empty
	if (!zombie) {
		zombie = new Zombie();
		game.addChild(zombie);
	} else {
		zombie.alpha = 1;
		zombie.visible = true;
		zombie.isDead = false;
	}
	// Reset zombie properties for reuse
	zombie.alpha = 1;
	zombie.isDead = false;
	// Position zombie off-screen to the left
	zombie.x = -100;
	zombie.y = 2732 / 2;
	// Initialize tracking variables
	zombie.lastX = zombie.x;
	zombie.lastY = zombie.y;
	zombie.lastWasIntersecting = false;
	// Increase zombie damage each time it spawns
	zombieAppearCount++;
	if (zombieAppearCount === 1) {
		zombieDamageAmount = 500;
	} else {
		zombieDamageAmount = zombieDamageAmount * 2;
	}
	// Schedule next zombie creation with increased delay
	LK.setTimeout(createZombie, 120000); // 120 seconds delay for next zombie
}
// Start the first rooster and create zombie
spawnRooster();
// Delay the first zombie spawn by 40 seconds after game start
LK.setTimeout(createZombie, 40000);
// Zombie respawn is now handled after being killed by the player;
// --- Time and Season System ---
// --- Day and Season Variables --- 
var currentDay = storage.currentDay || 1;
var currentSeason = storage.currentSeason || "Summer";
var SEASONS = ["Summer", "Autumn"];
var seasonIndex = SEASONS.indexOf(currentSeason);
if (seasonIndex === -1) seasonIndex = 0;
var autumnColors = [0xC97A3A, 0xB94E2A, 0xA65C1B, 0xE07B39, 0xD2691E, 0xB22222, 0x8B4513];
var autumnLeafAssets = []; // Will hold leaf particles
var autumnLeavesActive = false;
var autumnCropSlowdown = 2; // Crops grow 2x slower in autumn
var autumnNightStartHour = 18; // Night starts earlier (not implemented, placeholder)
var autumnGrassColor = 0xB97A56; // Dry grass color
// --- UI Elements for Day and Season --- 
var dayTxt = new Text2('Day ' + currentDay, {
	size: 80,
	fill: "#fff"
});
dayTxt.anchor.set(1, 0);
dayTxt.x = 2048 - 40; // Right side, 40px padding
dayTxt.y = 40; // Top, 40px padding
game.addChild(dayTxt);
var seasonTxt = new Text2(SEASONS[seasonIndex], {
	size: 80,
	fill: "#fff"
});
seasonTxt.anchor.set(1, 0);
seasonTxt.x = 2048 - 40; // Right side, 40px padding
seasonTxt.y = 120; // Below day text
game.addChild(seasonTxt);
// --- Autumn Effects: Falling Leaves --- 
function spawnAutumnLeaves() {
	if (autumnLeavesActive) return;
	autumnLeavesActive = true;
	// Remove any old leaves
	for (var i = 0; i < autumnLeafAssets.length; ++i) {
		if (autumnLeafAssets[i] && autumnLeafAssets[i].parent) {
			try {
				autumnLeafAssets[i].destroy();
			} catch (e) {}
		}
	}
	autumnLeafAssets = [];
	// Spawn 20 leaves at random positions at the top
	for (var i = 0; i < 20; ++i) {
		var color = autumnColors[Math.floor(Math.random() * autumnColors.length)];
		var leaf = LK.getAsset('centerCircle', {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 0.25 + Math.random() * 0.2,
			scaleY: 0.12 + Math.random() * 0.1,
			tint: color,
			alpha: 0.7 + Math.random() * 0.3,
			x: Math.random() * 2048,
			y: -30 - Math.random() * 100
		});
		leaf._fallSpeed = 1.5 + Math.random() * 1.5;
		leaf._drift = (Math.random() - 0.5) * 2;
		leaf._spin = (Math.random() - 0.5) * 0.1;
		game.addChild(leaf);
		autumnLeafAssets.push(leaf);
	}
}
// --- Remove Autumn Leaves --- 
function removeAutumnLeaves() {
	autumnLeavesActive = false;
	for (var i = 0; i < autumnLeafAssets.length; ++i) {
		if (autumnLeafAssets[i] && autumnLeafAssets[i].parent) {
			try {
				autumnLeafAssets[i].destroy();
			} catch (e) {}
		}
	}
	autumnLeafAssets = [];
}
// --- Update Autumn Leaves --- 
function updateAutumnLeaves() {
	if (!autumnLeavesActive) return;
	for (var i = 0; i < autumnLeafAssets.length; ++i) {
		var leaf = autumnLeafAssets[i];
		if (!leaf) continue;
		leaf.y += leaf._fallSpeed;
		leaf.x += leaf._drift;
		leaf.rotation += leaf._spin;
		// Respawn leaf at top if it falls below screen
		if (leaf.y > 2732 + 30) {
			leaf.y = -30 - Math.random() * 100;
			leaf.x = Math.random() * 2048;
			leaf._fallSpeed = 1.5 + Math.random() * 1.5;
			leaf._drift = (Math.random() - 0.5) * 2;
			leaf._spin = (Math.random() - 0.5) * 0.1;
		}
	}
}
// --- Crop Growth Slowdown Helper --- 
function getCropGrowthModifier() {
	return SEASONS[seasonIndex] === "Autumn" ? autumnCropSlowdown : 1;
}
// --- Update Day and Season --- 
function updateDayAndSeason() {
	currentDay++;
	// Change season every 3 days
	if (currentDay > 3) {
		currentDay = 1;
		seasonIndex = (seasonIndex + 1) % SEASONS.length;
		currentSeason = SEASONS[seasonIndex];
		// Visual changes for each season
		if (currentSeason === "Autumn") {
			game.setBackgroundColor(autumnGrassColor);
			spawnAutumnLeaves();
		} else {
			// Summer: restore green grass, remove leaves
			game.setBackgroundColor(0x4caf50);
			removeAutumnLeaves();
		}
	}
	dayTxt.setText('Day ' + currentDay);
	seasonTxt.setText(currentSeason);
	storage.currentDay = currentDay;
	storage.currentSeason = currentSeason;
}
// --- Apply Crop Growth Slowdown in Autumn --- 
// Patch all crop regrowTime on season change
function applySeasonalCropGrowth() {
	for (var i = 0; i < fields.length; ++i) {
		var f = fields[i];
		for (var j = 0; j < f.wheats.length; ++j) {
			var crop = f.wheats[j];
			if (typeof crop._baseRegrowTime === "undefined") {
				crop._baseRegrowTime = crop.regrowTime;
			}
			crop.regrowTime = crop._baseRegrowTime * getCropGrowthModifier();
		}
	}
}
// --- Patch updateDayAndSeason to also update crop growth --- 
var _oldUpdateDayAndSeason = updateDayAndSeason;
updateDayAndSeason = function updateDayAndSeason() {
	_oldUpdateDayAndSeason();
	applySeasonalCropGrowth();
};
// --- Initial Season Visuals and Crop Growth ---
if (currentSeason === "Autumn") {
	game.setBackgroundColor(autumnGrassColor);
	spawnAutumnLeaves();
} else {
	game.setBackgroundColor(0x4caf50);
	removeAutumnLeaves();
}
applySeasonalCropGrowth();
// --- Set interval to update day and season every minute (for testing) ---
LK.setInterval(updateDayAndSeason, 60000);
// --- Patch main game update to animate autumn leaves --- 
var _oldGameUpdateForSeason = game.update;
game.update = function () {
	if (typeof _oldGameUpdateForSeason === "function") _oldGameUpdateForSeason();
	updateAutumnLeaves();
};

===================================================================
--- original.js
+++ change.js
@@ -59,10 +59,10 @@
 		});
 	};
 	// Update function called every frame - optimized
 	self.update = function () {
-		// Early return if invisible - prevents unnecessary calculations
-		if (self.alpha <= 0) return;
+		// Early return if invisible or not visible - prevents unnecessary calculations
+		if (self.alpha <= 0 || !self.visible) return;
 		// Increment life counter first for potential early returns
 		self.lifeCounter++;
 		// Only check edge crossing if we're near the edge - optimization
 		var edgeX = 2048 + birdAsset.width / 2;
@@ -218,10 +218,10 @@
 		});
 	};
 	// Update function called every frame - optimized
 	self.update = function () {
-		// Early return if invisible - saves processing
-		if (self.alpha <= 0) return;
+		// Early return if invisible or not visible - saves processing
+		if (self.alpha <= 0 || !self.visible) return;
 		// Track lastX for edge detection - initialize once if undefined
 		if (typeof self.lastX === "undefined") self.lastX = self.x;
 		// Only check edge crossing if we're near the edge - optimization
 		var edgeX = 2048 + cloudAsset.width / 2;
@@ -881,10 +881,10 @@
 		}
 	};
 	// Zombie animation and movement
 	self.update = function () {
-		// Don't update if dead
-		if (self.isDead) return;
+		// Don't update if dead or not visible
+		if (self.isDead || !self.visible) return;
 		// Save previous position for collision detection
 		self.lastX = self.x;
 		self.lastY = self.y;
 		// Frame animation
@@ -1382,8 +1382,9 @@
 	var cloud;
 	if (clouds.length > 0) {
 		cloud = clouds.pop();
 		cloud.alpha = 1; // Reset alpha for visibility
+		cloud.visible = true; // Ensure cloud is visible
 	} else {
 		cloud = new Cloud();
 		game.addChild(cloud);
 	}
@@ -1418,8 +1419,9 @@
 	var bird;
 	if (birds.length > 0) {
 		bird = birds.pop();
 		bird.alpha = 1; // Reset alpha for visibility
+		bird.visible = true; // Ensure bird is visible
 	} else {
 		bird = new Bird();
 		game.addChild(bird);
 	}
@@ -1609,8 +1611,12 @@
 	// Reuse existing zombie or create new one if pool is empty
 	if (!zombie) {
 		zombie = new Zombie();
 		game.addChild(zombie);
+	} else {
+		zombie.alpha = 1;
+		zombie.visible = true;
+		zombie.isDead = false;
 	}
 	// Reset zombie properties for reuse
 	zombie.alpha = 1;
 	zombie.isDead = false;