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

/**** 
* Classes
****/ 
var ChargedBallUI = Container.expand(function () {
	var self = Container.call(this);
	self.chargeNeededForRelease = 15;
	self.currentCharge = 0;
	self.isReadyToRelease = false;
	self.countdownText = null;
	self.pulseAnimationActive = false;
	self.initialize = function () {
		self.portalAsset = self.attachAsset('portal', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.portalAsset.x = gameWidth / 2 + 870;
		self.portalAsset.alpha = 0; // Start invisible
		self.portalAsset.scaleX = 0;
		self.portalAsset.scaleY = 0;
		self.y = 120;
	};
	self.updateChargeDisplay = function (chargeCount) {
		self.currentCharge = chargeCount;
		var remainingCount = Math.max(0, self.chargeNeededForRelease - self.currentCharge);
		// No hue/tint changes for portal - keep original appearance
		// Calculate size based on charge progress
		var progressPercent = (self.chargeNeededForRelease - remainingCount) / self.chargeNeededForRelease;
		var targetScale = progressPercent;
		// Make portal visible once charging starts
		if (progressPercent > 0 && self.portalAsset.alpha === 0) {
			self.portalAsset.alpha = 1;
		}
		tween(self.portalAsset, {
			scaleX: targetScale,
			scaleY: targetScale,
			alpha: progressPercent // Gradually increase visibility
		}, {
			duration: 300,
			easing: tween.easeOut
		});
		if (remainingCount === 0 && !self.isReadyToRelease) {
			self.setReadyState(true);
		}
	};
	self.setReadyState = function (isReady) {
		self.isReadyToRelease = isReady;
		if (isReady) {
			tween(self.portalAsset, {
				scaleX: 1.0,
				scaleY: 1.0,
				alpha: 1.0,
				rotation: Math.PI * 2 // Make portal spin clockwise 360 degrees
			}, {
				duration: 300,
				easing: tween.easeOut
			});
			self.startPulseAnimation();
		}
	};
	self.startPulseAnimation = function () {
		if (self.pulseAnimationActive) {
			return;
		}
		self.pulseAnimationActive = true;
		self._pulseText();
	};
	self._pulseText = function () {
		if (!self.isReadyToRelease) {
			self.pulseAnimationActive = false;
			return;
		}
		tween(self.portalAsset, {
			scaleX: 1.3,
			scaleY: 1.3
		}, {
			duration: 500,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				if (!self.isReadyToRelease) {
					self.pulseAnimationActive = false;
					return;
				}
				tween(self.portalAsset, {
					scaleX: 1.0,
					scaleY: 1.0
				}, {
					duration: 500,
					easing: tween.easeInOut,
					onFinish: self._pulseText
				});
			}
		});
	};
	self.reset = function () {
		self.isReadyToRelease = false;
		self.currentCharge = 0;
		self.pulseAnimationActive = false;
		tween(self.portalAsset, {
			alpha: 0
		}, {
			duration: 200,
			easing: tween.easeOut
		});
		tween(self.portalAsset, {
			scaleX: 0,
			scaleY: 0
		}, {
			duration: 200,
			easing: tween.easeOut
		});
	};
	return self;
});
var CollisionComponent = Container.expand(function () {
	var self = Container.call(this);
	self.wallContactFrames = 0;
	self.checkBoundaryCollisions = function (fruit, walls, floor) {
		if (!walls || !walls.left || !walls.right || !floor) {
			return;
		}
		var fruitHalfWidth = fruit.width / 2;
		var fruitHalfHeight = fruit.height / 2;
		var fruitLevel = getFruitLevel(fruit);
		var sizeReduction = 0;
		if (fruitLevel > 5) {
			sizeReduction = (fruitLevel - 5) * 3;
		}
		fruitHalfWidth = Math.max(10, fruitHalfWidth - sizeReduction / 2);
		fruitHalfHeight = Math.max(10, fruitHalfHeight - sizeReduction / 2);
		var cosAngle = Math.abs(Math.cos(fruit.rotation));
		var sinAngle = Math.abs(Math.sin(fruit.rotation));
		var effectiveWidth = fruitHalfWidth * cosAngle + fruitHalfHeight * sinAngle;
		var effectiveHeight = fruitHalfHeight * cosAngle + fruitHalfWidth * sinAngle;
		var wasInContact = fruit.wallContactFrames > 0;
		fruit._boundaryContacts = fruit._boundaryContacts || {
			left: false,
			right: false,
			floor: false
		};
		fruit._boundaryContacts.left = false;
		fruit._boundaryContacts.right = false;
		fruit._boundaryContacts.floor = false;
		self.checkLeftWallCollision(fruit, walls.left, effectiveWidth);
		self.checkRightWallCollision(fruit, walls.right, effectiveWidth);
		self.checkFloorCollision(fruit, floor, effectiveHeight);
		var isInContact = fruit._boundaryContacts.left || fruit._boundaryContacts.right || fruit._boundaryContacts.floor;
		if (isInContact) {
			fruit.wallContactFrames++;
			var progressiveFriction = Math.min(0.85, 0.65 + fruit.wallContactFrames * 0.01);
			fruit.angularVelocity *= progressiveFriction;
			if (fruit.wallContactFrames > 10) {
				fruit.vx *= 0.9;
				fruit.vy *= 0.9;
			}
		} else {
			fruit.wallContactFrames = Math.max(0, fruit.wallContactFrames - 1);
		}
	};
	self.checkLeftWallCollision = function (fruit, leftWall, effectiveWidth) {
		var leftBoundary = leftWall.x + leftWall.width / 2 + effectiveWidth;
		if (fruit.x < leftBoundary) {
			fruit.x = leftBoundary;
			fruit.vx = -fruit.vx * fruit.elasticity * 0.7;
			var angularImpactMultiplier = 0.0025 * (1 + (0.9 - fruit.elasticity) * 5);
			fruit.angularVelocity += fruit.vy * angularImpactMultiplier * 0.25;
			fruit.angularVelocity *= fruit.groundAngularFriction * 0.8;
			fruit._boundaryContacts.left = true;
			if (fruit.wallContactFrames > 3 && Math.abs(fruit.vx) < 0.8) {
				fruit.vx = 0;
			}
		} else if (fruit.x > leftWall.x + leftWall.width * 2) {
			if (fruit._boundaryContacts && !fruit._boundaryContacts.right && !fruit._boundaryContacts.floor) {
				fruit.wallContactFrames = Math.max(0, fruit.wallContactFrames - 1);
			}
		}
	};
	self.checkRightWallCollision = function (fruit, rightWall, effectiveWidth) {
		var rightBoundary = rightWall.x - rightWall.width / 2 - effectiveWidth;
		if (fruit.x > rightBoundary) {
			fruit.x = rightBoundary;
			fruit.vx = -fruit.vx * fruit.elasticity * 0.7;
			var angularImpactMultiplier = 0.0025 * (1 + (0.9 - fruit.elasticity) * 5);
			fruit.angularVelocity -= fruit.vy * angularImpactMultiplier * 0.25;
			fruit.angularVelocity *= fruit.groundAngularFriction * 0.8;
			fruit._boundaryContacts.right = true;
			if (fruit.wallContactFrames > 3 && Math.abs(fruit.vx) < 0.8) {
				fruit.vx = 0;
			}
		}
	};
	self.checkFloorCollision = function (fruit, floor, effectiveHeight) {
		var floorCollisionY = floor.y - floor.height / 2 - effectiveHeight;
		if (fruit.y > floorCollisionY) {
			fruit.y = floorCollisionY;
			var oldVy = fruit.vy;
			fruit.vy = -fruit.vy * fruit.elasticity * 0.5;
			fruit._boundaryContacts.floor = true;
			if (Math.abs(fruit.vx) > 0.5) {
				fruit.angularVelocity = fruit.vx * 0.01;
			}
			fruit.angularVelocity *= fruit.groundAngularFriction * 0.8;
			var restThreshold = fruit.wallContactFrames > 5 ? 1.5 : 2.5;
			if (Math.abs(fruit.vy) < restThreshold) {
				fruit.vy = 0;
				fruit.vx *= 0.7;
				if (fruit.wallContactFrames > 8) {
					fruit.vx *= 0.85;
				}
			}
			var angularRestThreshold = fruit.wallContactFrames > 5 ? 0.015 : 0.025;
			if (Math.abs(fruit.angularVelocity) < angularRestThreshold) {
				fruit.angularVelocity = 0;
			}
		}
	};
	return self;
});
var DotPool = Container.expand(function (initialSize) {
	var self = Container.call(this);
	var pool = [];
	var activeObjects = [];
	self.initialize = function (size) {
		for (var i = 0; i < size; i++) {
			self.createObject();
		}
	};
	self.createObject = function () {
		var dot = new Container();
		var dotGraphic = dot.attachAsset('trajectoryDot', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		dotGraphic.tint = 0xFFFFFF;
		dot.scaleX = 0.8;
		dot.scaleY = 0.8;
		dot.visible = false;
		pool.push(dot);
		return dot;
	};
	self.get = function () {
		var object = pool.length > 0 ? pool.pop() : self.createObject();
		activeObjects.push(object);
		return object;
	};
	self.release = function (object) {
		var index = activeObjects.indexOf(object);
		if (index !== -1) {
			activeObjects.splice(index, 1);
			object.visible = false;
			pool.push(object);
		}
	};
	self.releaseAll = function () {
		while (activeObjects.length > 0) {
			var object = activeObjects.pop();
			object.visible = false;
			pool.push(object);
		}
	};
	if (initialSize) {
		self.initialize(initialSize);
	}
	return self;
});
var EvolutionLine = Container.expand(function () {
	var self = Container.call(this);
	self.initialize = function () {
		self.y = 120;
		self.x = gameWidth / 2 + 350; // Moved 300 pixels to the right
		var fruitTypes = [FruitTypes.CHERRY, FruitTypes.GRAPE, FruitTypes.APPLE, FruitTypes.ORANGE, FruitTypes.WATERMELON, FruitTypes.PINEAPPLE, FruitTypes.MELON, FruitTypes.PEACH, FruitTypes.COCONUT, FruitTypes.DURIAN];
		var totalWidth = 0;
		var fruitIcons = [];
		for (var i = 0; i < fruitTypes.length; i++) {
			var fruitType = fruitTypes[i];
			var fruitIcon = LK.getAsset(fruitType.id, {
				anchorX: 0.5,
				anchorY: 0.5
			});
			var scale = Math.min(150 / fruitIcon.width, 150 / fruitIcon.height);
			fruitIcon.scaleX = scale;
			fruitIcon.scaleY = scale;
			totalWidth += fruitIcon.width * scale;
			if (i < fruitTypes.length - 1) {
				totalWidth += 100; // Increased spacing
			}
			fruitIcons.push(fruitIcon);
		}
		var currentX = -totalWidth / 2;
		for (var i = 0; i < fruitIcons.length; i++) {
			var icon = fruitIcons[i];
			icon.x = currentX + icon.width * icon.scaleX / 2;
			icon.y = 0;
			self.addChild(icon);
			currentX += icon.width * icon.scaleX + 20; // Increased spacing
		}
	};
	return self;
});
var FireElement = Container.expand(function (initX, initY, zIndex) {
	var self = Container.call(this);
	// Configuration
	self.baseX = initX || 0;
	self.baseY = initY || 0;
	self.zIndex = zIndex || 0;
	self.movementRange = 30 + Math.random() * 20;
	self.movementSpeed = 0.3 + Math.random() * 0.4;
	self.direction = Math.random() > 0.5 ? 1 : -1;
	// Alpha range changed to 0.7-1.0
	self.alphaMin = 0.7;
	self.alphaMax = 1.0;
	self.flickerSpeed = 500 + Math.random() * 300;
	// Setup
	self.initialize = function () {
		self.fireAsset = self.attachAsset('fire', {
			anchorX: 0.5,
			anchorY: 1.0 // Anchor at bottom-center
		});
		self.x = self.baseX;
		self.y = self.baseY;
		// Start animations
		self.startAlphaFlicker();
	};
	// Horizontal sway animation
	self.update = function () {
		// Update horizontal position with sway animation
		self.x += self.movementSpeed * self.direction;
		// Check if we need to change direction
		if (Math.abs(self.x - self.baseX) > self.movementRange) {
			self.direction *= -1;
		}
	};
	// Alpha flicker animation
	self.startAlphaFlicker = function () {
		if (self.flickerTween) {
			self.flickerTween.stop();
		}
		// Randomize starting delay to avoid synchronized flickers
		var startDelay = Math.random() * 500;
		LK.setTimeout(function () {
			self.flickerToMax();
		}, startDelay);
	};
	self.flickerToMax = function () {
		self.flickerTween = tween(self.fireAsset, {
			alpha: self.alphaMax // Use class variable instead of hardcoded value
		}, {
			duration: self.flickerSpeed,
			easing: tween.easeInOut,
			onFinish: self.flickerToMin
		});
	};
	self.flickerToMin = function () {
		self.flickerTween = tween(self.fireAsset, {
			alpha: self.alphaMin // Use class variable instead of hardcoded value
		}, {
			duration: self.flickerSpeed,
			easing: tween.easeInOut,
			onFinish: self.flickerToMax
		});
	};
	self.destroy = function () {
		if (self.flickerTween) {
			self.flickerTween.stop();
		}
		Container.prototype.destroy.call(this);
	};
	self.initialize();
	return self;
});
var Fruit = Container.expand(function (type) {
	var self = Container.call(this);
	self.id = 'fruit_' + Date.now() + '_' + Math.floor(Math.random() * 10000);
	self.type = type;
	var physics = new PhysicsComponent();
	var collision = new CollisionComponent();
	var mergeHandler = new MergeComponent();
	var behaviorSystem = new FruitBehavior();
	self.vx = physics.vx;
	self.vy = physics.vy;
	self.rotation = physics.rotation;
	self.angularVelocity = physics.angularVelocity;
	self.angularFriction = physics.angularFriction;
	self.groundAngularFriction = physics.groundAngularFriction;
	var currentLevel = getFruitLevel(self);
	self.gravity = physics.gravity * (1 + (currentLevel - 1) * 0.15);
	self.friction = physics.friction;
	self.rotationRestCounter = physics.rotationRestCounter;
	self.maxAngularVelocity = physics.maxAngularVelocity;
	self.isStatic = physics.isStatic;
	self.elasticity = currentLevel <= 3 ? 0.85 : 0.8 - (currentLevel - 1) * (0.2 / 9);
	self.wallContactFrames = collision.wallContactFrames;
	self.merging = mergeHandler.merging;
	self.mergeGracePeriodActive = mergeHandler.mergeGracePeriodActive;
	self.fromChargedRelease = mergeHandler.fromChargedRelease;
	self.safetyPeriod = false;
	self.immuneToGameOver = false;
	self.behavior = type && type.id ? behaviorSystem.getMergeHandler(type.id) : null;
	if (self.type && self.type.id && self.type.points && self.type.size) {
		var fruitGraphics = self.attachAsset(self.type.id, {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.width = fruitGraphics.width;
		self.height = fruitGraphics.height;
		if (self.behavior && self.behavior.onSpawn) {
			self.behavior.onSpawn(self);
		}
	} else {
		console.log("Warning: Fruit type not available yet or missing required properties");
	}
	self.updatePhysics = function () {
		physics.apply(self);
	};
	self.checkBoundaries = function (walls, floor) {
		collision.checkBoundaryCollisions(self, walls, floor);
		if (self.safetyPeriod === false && self.vy <= 0.1) {
			self.safetyPeriod = undefined;
		}
	};
	self.merge = function (otherFruit) {
		mergeHandler.beginMerge(self, otherFruit);
	};
	return self;
});
var FruitBehavior = Container.expand(function () {
	var self = Container.call(this);
	self.behaviors = {
		CHERRY: {
			onMerge: function onMerge(fruit1, fruit2, posX, posY) {
				return self.standardMerge(fruit1, fruit2, posX, posY);
			}
		},
		GRAPE: {
			onMerge: function onMerge(fruit1, fruit2, posX, posY) {
				return self.standardMerge(fruit1, fruit2, posX, posY);
			}
		},
		APPLE: {
			onMerge: function onMerge(fruit1, fruit2, posX, posY) {
				return self.standardMerge(fruit1, fruit2, posX, posY);
			}
		},
		ORANGE: {
			onMerge: function onMerge(fruit1, fruit2, posX, posY) {
				return self.standardMerge(fruit1, fruit2, posX, posY);
			}
		},
		WATERMELON: {
			onMerge: function onMerge(fruit1, fruit2, posX, posY) {
				return self.standardMerge(fruit1, fruit2, posX, posY);
			}
		},
		PINEAPPLE: {
			onMerge: function onMerge(fruit1, fruit2, posX, posY) {
				return self.standardMerge(fruit1, fruit2, posX, posY);
			},
			onSpawn: function onSpawn() {}
		},
		MELON: {
			onMerge: function onMerge(fruit1, fruit2, posX, posY) {
				LK.getSound('Smartz').play();
				return self.standardMerge(fruit1, fruit2, posX, posY);
			}
		},
		PEACH: {
			onMerge: function onMerge(fruit1, fruit2, posX, posY) {
				LK.getSound('stonks').play();
				return self.standardMerge(fruit1, fruit2, posX, posY);
			}
		},
		COCONUT: {
			onMerge: function onMerge(fruit1, fruit2, posX, posY) {
				LK.getSound('ThisIsFine').play();
				return self.standardMerge(fruit1, fruit2, posX, posY);
			},
			onSpawn: function onSpawn() {
				LK.getSound('stonks').play();
			}
		},
		DURIAN: {
			onMerge: function onMerge(fruit1, fruit2, posX, posY) {
				LK.setScore(LK.getScore() + fruit1.type.points);
				updateScoreDisplay();
				removeFruitFromGame(fruit1);
				removeFruitFromGame(fruit2);
				releasePineappleOnMerge();
				return null;
			}
		}
	};
	self.getMergeHandler = function (fruitTypeId) {
		if (!fruitTypeId) {
			return self.behaviors.CHERRY;
		}
		var upperTypeId = fruitTypeId.toUpperCase();
		return self.behaviors[upperTypeId] || self.behaviors.CHERRY;
	};
	self.standardMerge = function (fruit1, fruit2, posX, posY) {
		var nextType = FruitTypes[fruit1.type.next.toUpperCase()];
		releasePineappleOnMerge();
		return self.createNextLevelFruit(fruit1, nextType, posX, posY);
	};
	self.createNextLevelFruit = function (sourceFruit, nextType, posX, posY) {
		var newFruit = new Fruit(nextType);
		newFruit.x = posX;
		newFruit.y = posY;
		newFruit.scaleX = 0.5;
		newFruit.scaleY = 0.5;
		game.addChild(newFruit);
		fruits.push(newFruit);
		spatialGrid.insertObject(newFruit);
		LK.setScore(LK.getScore() + nextType.points);
		updateScoreDisplay();
		tween(newFruit, {
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 300,
			easing: tween.bounceOut
		});
		return newFruit;
	};
	self.playSoundEffect = function (soundId) {
		if (soundId) {
			LK.getSound(soundId).play();
		}
	};
	return self;
});
var Line = Container.expand(function () {
	var self = Container.call(this);
	var lineGraphics = self.attachAsset('floor', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	lineGraphics.tint = 0xff0000;
	lineGraphics.height = 20;
	return self;
});
var MergeComponent = Container.expand(function () {
	var self = Container.call(this);
	self.merging = false;
	self.mergeGracePeriodActive = false;
	self.fromChargedRelease = false;
	self.fruitBehavior = new FruitBehavior();
	self.beginMerge = function (fruit1, fruit2) {
		if (fruit1.merging) {
			return;
		}
		fruit1.merging = true;
		fruit2.merging = true;
		var midX = (fruit1.x + fruit2.x) / 2;
		var midY = (fruit1.y + fruit2.y) / 2;
		self.animateMerge(fruit1, fruit2, midX, midY);
	};
	self.animateMerge = function (fruit1, fruit2, midX, midY) {
		tween(fruit1, {
			alpha: 0,
			scaleX: 0.5,
			scaleY: 0.5
		}, {
			duration: 200,
			easing: tween.easeOut
		});
		tween(fruit2, {
			alpha: 0,
			scaleX: 0.5,
			scaleY: 0.5
		}, {
			duration: 200,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				self.completeMerge(fruit1, fruit2, midX, midY);
			}
		});
	};
	self.completeMerge = function (fruit1, fruit2, midX, midY) {
		LK.getSound('merge').play();
		self.trackMerge(fruit1, fruit2);
		var behaviorHandler = self.fruitBehavior.getMergeHandler(fruit1.type.id);
		behaviorHandler.onMerge(fruit1, fruit2, midX, midY);
		if (fruit1 && fruits.includes(fruit1) && fruit1.type.id.toUpperCase() !== 'DURIAN') {
			removeFruitFromGame(fruit1);
		}
		if (fruit2 && fruits.includes(fruit2)) {
			removeFruitFromGame(fruit2);
		}
	};
	self.trackMerge = function (fruit1, fruit2) {
		var fromReleasedFruits = fruit1.fromChargedRelease || fruit2.fromChargedRelease;
		var isPlayerDroppedFruitMerge = !fromReleasedFruits && (fruit1 === lastDroppedFruit || fruit2 === lastDroppedFruit) && !lastDroppedHasMerged;
		var fruitHasMergeGracePeriod = fruit1.mergeGracePeriodActive || fruit2.mergeGracePeriodActive;
		if (isPlayerDroppedFruitMerge || fruitHasMergeGracePeriod) {
			lastDroppedHasMerged = true;
		}
	};
	return self;
});
var PhysicsComponent = Container.expand(function () {
	var self = Container.call(this);
	self.vx = 0;
	self.vy = 0;
	self.gravity = 5.0;
	self.friction = 0.92;
	self.elasticity = 0.4;
	self.isStatic = false;
	self.rotation = 0;
	self.angularVelocity = 0;
	self.angularFriction = 0.85;
	self.groundAngularFriction = 0.6;
	self.maxAngularVelocity = 0.08;
	self.rotationRestCounter = 0;
	self.lastVx = 0;
	self.lastVy = 0;
	self.stabilizeFruit = function (fruit, movementMagnitude, velocityChange) {
		var shouldStabilize = false;
		var stabilizationLevel = 0;
		var fruitLevel = getFruitLevel(fruit);
		if (!fruit._stabilizeMetrics) {
			fruit._stabilizeMetrics = {
				consecutiveSmallMovements: 0,
				wallContactDuration: 0,
				surroundedDuration: 0,
				restingDuration: 0
			};
		}
		var massFactor = Math.pow(fruitLevel, 1.5) / 10;
		var movementThreshold = 0.4 - (fruitLevel - 1) * 0.03;
		var angularThreshold = 0.04 - (fruitLevel - 1) * 0.003;
		if (movementMagnitude < movementThreshold && Math.abs(fruit.angularVelocity) < angularThreshold) {
			fruit._stabilizeMetrics.consecutiveSmallMovements += 1 + massFactor * 0.2;
			fruit._stabilizeMetrics.restingDuration += 1 + massFactor * 0.2;
		} else {
			fruit._stabilizeMetrics.consecutiveSmallMovements = 0;
			fruit._stabilizeMetrics.restingDuration = Math.max(0, fruit._stabilizeMetrics.restingDuration - 2);
		}
		if (fruit.wallContactFrames > 0) {
			fruit._stabilizeMetrics.wallContactDuration += 1 + massFactor * 0.15;
		} else {
			fruit._stabilizeMetrics.wallContactDuration = Math.max(0, fruit._stabilizeMetrics.wallContactDuration - 1);
		}
		if (fruit.surroundedFrames > 0) {
			fruit._stabilizeMetrics.surroundedDuration += 1 + massFactor * 0.25;
		} else {
			fruit._stabilizeMetrics.surroundedDuration = Math.max(0, fruit._stabilizeMetrics.surroundedDuration - 1);
		}
		var levelFactor = (fruitLevel - 1) * 0.12;
		var totalStabilizationScore = fruit._stabilizeMetrics.consecutiveSmallMovements * (1.0 + levelFactor) + fruit._stabilizeMetrics.wallContactDuration * (0.8 + levelFactor) + fruit._stabilizeMetrics.surroundedDuration * (1.2 + levelFactor) + fruit._stabilizeMetrics.restingDuration * (0.5 + levelFactor);
		var fullStabilizationThreshold = 15 - (fruitLevel - 1) * 1.0;
		var partialStabilizationThreshold = 8 - (fruitLevel - 1) * 0.6;
		if (totalStabilizationScore > fullStabilizationThreshold) {
			stabilizationLevel = 2;
		} else if (totalStabilizationScore > partialStabilizationThreshold) {
			stabilizationLevel = 1;
		}
		if (stabilizationLevel > 0) {
			var baseDampFactor = stabilizationLevel === 2 ? 0.6 : 0.85;
			var massDampFactor = baseDampFactor - massFactor * 0.02;
			var dampFactor = Math.max(0.4, massDampFactor);
			fruit.vx *= dampFactor;
			fruit.vy *= dampFactor;
			fruit.angularVelocity *= dampFactor;
			var stopThreshold = 0.1 - (fruitLevel - 1) * 0.005;
			if (stabilizationLevel === 2 && movementMagnitude < stopThreshold) {
				fruit.vx = 0;
				fruit.vy = 0;
				fruit.angularVelocity = 0;
				return true;
			}
		}
		return false;
	};
	self.apply = function (fruit) {
		if (fruit.isStatic || fruit.merging) {
			return;
		}
		fruit.lastVx = fruit.vx;
		fruit.lastVy = fruit.vy;
		var fruitLevel = getFruitLevel(fruit);
		var gravityMultiplier = 1 + (fruitLevel - 1) * 0.25;
		fruit.vy += fruit.gravity * gravityMultiplier * 5;
		var fruitLevel = getFruitLevel(fruit);
		var maxVelocity = 60 - Math.min(8, (fruitLevel - 1) * 0.8);
		if (Math.abs(fruit.vx) > maxVelocity) {
			fruit.vx = fruit.vx > 0 ? maxVelocity : -maxVelocity;
		}
		if (Math.abs(fruit.vy) > maxVelocity) {
			fruit.vy = fruit.vy > 0 ? maxVelocity : -maxVelocity;
		}
		if (fruitLevel > 3) {
			var bottomTendencyForce = (fruitLevel - 3) * 0.018;
			fruit.vy += bottomTendencyForce;
		}
		fruit.x += fruit.vx;
		fruit.y += fruit.vy;
		var movementMagnitude = Math.sqrt(fruit.vx * fruit.vx + fruit.vy * fruit.vy);
		var velocityChange = Math.abs(fruit.vx - fruit.lastVx) + Math.abs(fruit.vy - fruit.lastVy);
		var isFullyStabilized = self.stabilizeFruit(fruit, movementMagnitude, velocityChange);
		if (!isFullyStabilized) {
			if (movementMagnitude > 0.5 || velocityChange > 0.3) {
				var rotationFactor = 0.015 / (1 + (fruitLevel - 1) * 0.12);
				var targetAngularVelocity = fruit.vx * rotationFactor;
				fruit.angularVelocity = fruit.angularVelocity * 0.8 + targetAngularVelocity * 0.2;
			} else {
				fruit.angularVelocity *= 0.8;
			}
			fruit.rotation += fruit.angularVelocity;
			var frictionModifier = 0.99 + (fruitLevel - 1) * 0.003;
			fruit.vx *= fruit.friction * frictionModifier;
			fruit.vy *= fruit.friction * frictionModifier * 0.99;
			var horizontalStopThreshold = Math.max(0.05, 0.1 - (fruitLevel - 1) * 0.005);
			var verticalStopThreshold = Math.max(0.05, 0.1 - (fruitLevel - 1) * 0.005);
			if (Math.abs(fruit.vx) < horizontalStopThreshold) {
				fruit.vx = 0;
			}
			if (Math.abs(fruit.vy) < verticalStopThreshold && fruit.y > gameHeight - 300) {
				fruit.vy = 0;
			}
			self.handleRotationDamping(fruit);
		}
	};
	self.handleRotationDamping = function (fruit) {
		var movementMagnitude = Math.sqrt(fruit.vx * fruit.vx + fruit.vy * fruit.vy);
		var rotationDampFactor = 0.9;
		if (movementMagnitude < 0.05) {
			rotationDampFactor = 0.6;
		} else if (movementMagnitude < 0.3) {
			rotationDampFactor = 0.7;
		} else if (movementMagnitude < 0.5) {
			rotationDampFactor = 0.8;
		} else if (movementMagnitude < 0.8) {
			rotationDampFactor = 0.85;
		}
		fruit.angularVelocity *= rotationDampFactor;
		if (movementMagnitude > 0.3) {
			var targetDirection = fruit.vx > 0 ? 1 : -1;
			var currentDirection = fruit.angularVelocity > 0 ? 1 : -1;
			if (targetDirection !== currentDirection && Math.abs(fruit.vx) > 1.0) {
				fruit.angularVelocity *= 0.7;
			}
		}
		if (Math.abs(fruit.angularVelocity) < 0.008) {
			fruit.rotationRestCounter++;
			if (fruit.rotationRestCounter > 6) {
				fruit.angularVelocity = 0;
			}
		} else {
			fruit.rotationRestCounter = 0;
		}
		fruit.angularVelocity = Math.min(Math.max(fruit.angularVelocity, -fruit.maxAngularVelocity * 1.2), fruit.maxAngularVelocity * 1.2);
	};
	return self;
});
var SpatialGrid = Container.expand(function (cellSize) {
	var self = Container.call(this);
	self.cellSize = cellSize || 200;
	self.grid = {};
	self.lastRebuildTime = Date.now();
	self.rebuildInterval = 60000;
	self.insertObject = function (obj) {
		if (!obj || !obj.x || !obj.y || !obj.width || !obj.height || obj.merging || obj.isStatic) {
			return;
		}
		obj._currentCells = obj._currentCells || [];
		var cells = self.getCellsForObject(obj);
		obj._currentCells = cells.slice();
		for (var i = 0; i < cells.length; i++) {
			var cellKey = cells[i];
			if (!self.grid[cellKey]) {
				self.grid[cellKey] = [];
			}
			if (self.grid[cellKey].indexOf(obj) === -1) {
				self.grid[cellKey].push(obj);
			}
		}
	};
	self.removeObject = function (obj) {
		if (!obj || !obj.x || !obj.y || !obj.width || !obj.height) {
			return;
		}
		var cells = obj._currentCells || self.getCellsForObject(obj);
		for (var i = 0; i < cells.length; i++) {
			var cellKey = cells[i];
			if (self.grid[cellKey]) {
				var cellIndex = self.grid[cellKey].indexOf(obj);
				if (cellIndex !== -1) {
					self.grid[cellKey].splice(cellIndex, 1);
				}
				if (self.grid[cellKey].length === 0) {
					delete self.grid[cellKey];
				}
			}
		}
		obj._currentCells = [];
	};
	self.getCellsForObject = function (obj) {
		if (!obj || typeof obj.x !== 'number' || typeof obj.y !== 'number' || typeof obj.width !== 'number' || typeof obj.height !== 'number') {
			return [];
		}
		var cells = [];
		var halfWidth = obj.width / 2;
		var halfHeight = obj.height / 2;
		var minCellX = Math.floor((obj.x - halfWidth) / self.cellSize);
		var maxCellX = Math.floor((obj.x + halfWidth) / self.cellSize);
		var minCellY = Math.floor((obj.y - halfHeight) / self.cellSize);
		var maxCellY = Math.floor((obj.y + halfHeight) / self.cellSize);
		for (var cellX = minCellX; cellX <= maxCellX; cellX++) {
			for (var cellY = minCellY; cellY <= maxCellY; cellY++) {
				cells.push(cellX + "," + cellY);
			}
		}
		return cells;
	};
	self.updateObject = function (obj) {
		if (!obj || !obj.x || !obj.y || !obj.width || !obj.height) {
			return;
		}
		var newCells = self.getCellsForObject(obj);
		var oldCells = obj._currentCells || [];
		var cellsChanged = false;
		if (oldCells.length !== newCells.length) {
			cellsChanged = true;
		} else {
			for (var i = 0; i < newCells.length; i++) {
				if (oldCells.indexOf(newCells[i]) === -1) {
					cellsChanged = true;
					break;
				}
			}
		}
		if (cellsChanged) {
			self.removeObject(obj);
			self.insertObject(obj);
		}
	};
	self.getPotentialCollisions = function (obj) {
		var candidates = [];
		var cells = self.getCellsForObject(obj);
		var addedObjects = {};
		for (var i = 0; i < cells.length; i++) {
			var cellKey = cells[i];
			if (self.grid[cellKey]) {
				for (var j = 0; j < self.grid[cellKey].length; j++) {
					var otherObj = self.grid[cellKey][j];
					if (otherObj && otherObj !== obj && !addedObjects[otherObj.id]) {
						candidates.push(otherObj);
						addedObjects[otherObj.id] = true;
					}
				}
			}
		}
		return candidates;
	};
	self.clear = function () {
		self.grid = {};
		self.lastRebuildTime = Date.now();
	};
	self.rebuildGrid = function (allObjects) {
		self.grid = {};
		self.lastRebuildTime = Date.now();
		if (Array.isArray(allObjects)) {
			for (var i = 0; i < allObjects.length; i++) {
				if (allObjects[i] && !allObjects[i].merging && !allObjects[i].isStatic) {
					self.insertObject(allObjects[i]);
				}
			}
		}
	};
	return self;
});
var TrajectoryLine = Container.expand(function () {
	var self = Container.call(this);
	self.dotPool = new DotPool(100);
	self.activeDots = [];
	self.dots = [];
	self.dotSpacing = 10;
	self.dotSize = 15;
	self.maxDots = 100;
	self.createDots = function () {
		self.clearDots();
		self.dotPool.initialize(self.maxDots);
	};
	self.clearDots = function () {
		for (var i = 0; i < self.activeDots.length; i++) {
			if (self.activeDots[i]) {
				self.removeChild(self.activeDots[i]);
				self.dotPool.release(self.activeDots[i]);
			}
		}
		self.activeDots = [];
	};
	self.updateTrajectory = function (startX, startY) {
		if (!activeFruit) {
			return;
		}
		self.clearDots();
		var dotY = startY;
		var dotSpacing = 25;
		var dotCount = 0;
		var hitDetected = false;
		while (dotCount < self.maxDots && !hitDetected) {
			var dot = self.dotPool.get();
			self.addChild(dot);
			self.activeDots.push(dot);
			dot.x = startX;
			dot.y = dotY;
			dot.visible = true;
			dot.alpha = 1.0;
			dotCount++;
			dotY += dotSpacing;
			var floorCollisionY = gameFloor.y - gameFloor.height / 2 - activeFruit.height / 2;
			if (dotY > floorCollisionY) {
				if (dotCount > 0) {
					self.activeDots[dotCount - 1].y = floorCollisionY;
				}
				hitDetected = true;
				break;
			}
			var potentialHits = spatialGrid.getPotentialCollisions({
				x: startX,
				y: dotY,
				width: activeFruit.width,
				height: activeFruit.height,
				id: 'trajectory_check'
			});
			for (var j = 0; j < potentialHits.length; j++) {
				var fruit = potentialHits[j];
				if (fruit && fruit !== activeFruit && !fruit.merging && fruit.width && fruit.height) {
					if (self.wouldIntersectFruit(fruit.x, fruit.y, startX, dotY, activeFruit, fruit)) {
						if (dotCount > 0) {
							var dx = fruit.x - startX;
							var dy = fruit.y - dotY;
							var dist = Math.sqrt(dx * dx + dy * dy);
							var overlap = activeFruit.width / 2 + fruit.width / 2 - dist;
							if (dist > 0) {
								self.activeDots[dotCount - 1].y = dotY - dy / dist * overlap;
							}
						}
						hitDetected = true;
						break;
					}
				}
			}
		}
	};
	self.wouldIntersectFruit = function (fruitX, fruitY, dropX, dropY, activeFruitObj, targetFruitObj) {
		var dx = fruitX - dropX;
		var dy = fruitY - dropY;
		var distanceSquared = dx * dx + dy * dy;
		var activeFruitLevel = getFruitLevel(activeFruitObj);
		var targetFruitLevel = getFruitLevel(targetFruitObj);
		var activeFruitRadius = activeFruitObj.width / 2;
		var targetFruitRadius = targetFruitObj.width / 2;
		var hitboxReduction = 0;
		if (activeFruitLevel > 5) {
			hitboxReduction += (activeFruitLevel - 5) * 3;
		}
		if (targetFruitLevel > 5) {
			hitboxReduction += (targetFruitLevel - 5) * 3;
		}
		var combinedRadii = activeFruitRadius + targetFruitRadius - hitboxReduction;
		var minDistanceSquared = combinedRadii * combinedRadii;
		if (distanceSquared < minDistanceSquared) {
			return true;
		}
		return false;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0xf6e58d
});

/**** 
* Game Code
****/ 
var gameOverLine;
var pineapple;
var pineappleActive = false;
var pineapplePushCount = 0;
var readyToReleaseCharged = false;
var trajectoryLine;
var chargedFruitIconScale = 0.3;
var isClickable = true;
var evolutionLine;
var fireContainer;
var activeFireElements = [];
var BASE_FIRES = 3;
var FRUITS_PER_ADDITIONAL_FIRE = 3;
var FIRE_Y_START_OFFSET = 50;
var FIRE_Y_STACK_OFFSET = 100;
var FIRE_X_SPREAD = 500;
var MAX_FIRES = 15;
var fruitLevels = {
	'CHERRY': 1,
	'GRAPE': 2,
	'APPLE': 3,
	'ORANGE': 4,
	'WATERMELON': 5,
	'PINEAPPLE': 6,
	'MELON': 7,
	'PEACH': 8,
	'COCONUT': 9,
	'DURIAN': 10
};
function getFruitLevel(fruit) {
	if (!fruit || !fruit.type || !fruit.type.id) {
		return 10;
	}
	return fruitLevels[fruit.type.id.toUpperCase()] || 10;
}
function releasePineappleOnMerge() {
	mergeCounter++;
	pushPineapple();
	if (mergeCounter >= 15 && !pineappleActive && pineapple) {
		pineappleActive = true;
		pineapple.isStatic = false;
		applyDropPhysics(pineapple, 2.5);
		fruits.push(pineapple);
		if (spatialGrid) {
			spatialGrid.insertObject(pineapple);
		}
		LK.setTimeout(function () {
			if (pineapple && fruits.includes(pineapple)) {
				pineapple.immuneToGameOver = false;
			}
		}, 2000);
		setupPineapple();
		mergeCounter = 0;
	}
}
var FruitTypes = {
	CHERRY: {
		id: 'cherry',
		size: 150,
		points: 1,
		next: 'grape'
	},
	GRAPE: {
		id: 'grape',
		size: 200,
		points: 2,
		next: 'apple'
	},
	APPLE: {
		id: 'apple',
		size: 250,
		points: 3,
		next: 'orange'
	},
	ORANGE: {
		id: 'orange',
		size: 200,
		points: 5,
		next: 'watermelon'
	},
	WATERMELON: {
		id: 'watermelon',
		size: 350,
		points: 8,
		next: 'pineapple'
	},
	PINEAPPLE: {
		id: 'pineapple',
		size: 400,
		points: 13,
		next: 'melon'
	},
	MELON: {
		id: 'melon',
		size: 450,
		points: 21,
		next: 'peach'
	},
	PEACH: {
		id: 'peach',
		size: 500,
		points: 34,
		next: 'coconut'
	},
	COCONUT: {
		id: 'coconut',
		size: 550,
		points: 55,
		next: 'durian'
	},
	DURIAN: {
		id: 'durian',
		size: 600,
		points: 89,
		next: null
	}
};
var gameWidth = 2048;
var gameHeight = 2732;
var fruits = [];
var nextFruitType = null;
var activeFruit = null;
var wallLeft, wallRight, gameFloor;
var dropPointY = 200;
var gameOver = false;
var scoreText;
var isDragging = false;
var chargedBallUI = null;
var chargeCounter = 0;
var mergeCounter = 0;
var lastDroppedFruit = null;
var lastDroppedHasMerged = false;
var spatialGrid = null;
function setupBoundaries() {
	wallLeft = game.addChild(LK.getAsset('wall', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	wallLeft.x = 0;
	wallLeft.y = gameHeight / 2;
	wallLeft.alpha = 0;
	wallRight = game.addChild(LK.getAsset('wall', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	wallRight.x = gameWidth;
	wallRight.y = gameHeight / 2;
	wallRight.alpha = 0;
	gameFloor = game.addChild(LK.getAsset('floor', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	gameFloor.x = gameWidth / 2;
	gameFloor.y = gameHeight;
	gameFloor.alpha = 0;
	gameOverLine = game.addChild(new Line());
	gameOverLine.x = gameWidth / 2;
	gameOverLine.y = 550;
	gameOverLine.scaleX = 1;
	gameOverLine.scaleY = 0.2;
	gameOverLine.alpha = 1;
}
function createNextFruit() {
	var fruitProbability = Math.random();
	var fruitType = fruitProbability < 0.6 ? FruitTypes.CHERRY : FruitTypes.GRAPE;
	nextFruitType = fruitType;
	activeFruit = new Fruit(nextFruitType);
	activeFruit.x = lastDroppedFruit && lastDroppedFruit.x ? lastDroppedFruit.x : gameWidth / 2;
	activeFruit.y = dropPointY + 200;
	activeFruit.isStatic = true;
	game.addChild(activeFruit);
	if (trajectoryLine) {
		trajectoryLine.updateTrajectory(activeFruit.x, activeFruit.y);
	}
}
function dropFruit() {
	if (gameOver || !activeFruit || !isClickable) {
		return;
	}
	isClickable = false;
	LK.setTimeout(function () {
		isClickable = true;
	}, 300);
	activeFruit.isStatic = false;
	applyDropPhysics(activeFruit, 3.5);
	fruits.push(activeFruit);
	spatialGrid.insertObject(activeFruit);
	lastDroppedFruit = activeFruit;
	lastDroppedHasMerged = false;
	chargeCounter++;
	updateChargedBallDisplay();
	if (chargeCounter >= 15 && !readyToReleaseCharged) {
		releaseChargedBalls();
	}
	activeFruit.mergeGracePeriodActive = true;
	LK.setTimeout(function () {
		if (activeFruit && fruits.includes(activeFruit)) {
			activeFruit.mergeGracePeriodActive = false;
		}
	}, 2000);
	if (trajectoryLine && trajectoryLine.dots && trajectoryLine.dots.length) {
		for (var i = 0; i < trajectoryLine.dots.length; i++) {
			trajectoryLine.dots[i].visible = false;
		}
	}
	for (var i = 0; i < fruits.length; i++) {
		if (fruits[i] && fruits[i].fromChargedRelease) {
			fruits[i].fromChargedRelease = false;
		}
	}
	LK.getSound('drop').play();
	if (readyToReleaseCharged && chargeCounter >= 15) {
		LK.getSound('pickleRick').play();
		var orange = new Fruit(FruitTypes.ORANGE);
		var minX = wallLeft.x + wallLeft.width / 2 + orange.width / 2 + 50;
		var maxX = wallRight.x - wallRight.width / 2 - orange.width / 2 - 50;
		orange.x = minX + Math.random() * (maxX - minX);
		orange.y = -orange.height;
		orange.isStatic = false;
		var forceMultiplier = 3.5 + (Math.random() * 1 - 0.5);
		applyDropPhysics(orange, forceMultiplier);
		orange.fromChargedRelease = true;
		game.addChild(orange);
		fruits.push(orange);
		spatialGrid.insertObject(orange);
		chargeCounter = 0;
		resetChargedBalls();
		readyToReleaseCharged = false;
	}
	activeFruit = null;
	createNextFruit();
}
function applyDropPhysics(fruit, forceMultiplier) {
	var fruitLevel = getFruitLevel(fruit);
	forceMultiplier *= 1.4;
	var levelAdjustedForce = forceMultiplier * (1 + (fruitLevel - 1) * 0.05);
	var mobilityReduction = Math.max(0, (fruitLevel - 2) * 0.03);
	levelAdjustedForce *= 1 - mobilityReduction;
	var angle = (Math.random() * 20 - 10) * (Math.PI / 180);
	fruit.vx = Math.sin(angle) * levelAdjustedForce;
	fruit.vy = Math.abs(Math.cos(angle) * levelAdjustedForce) * 1.5;
	fruit.gravity = 13.0 * (1 + (fruitLevel - 1) * 0.2);
	if (fruitLevel >= 5) {
		fruit.gravity *= 1 + (fruitLevel - 5) * 0.03;
	}
	fruit.safetyPeriod = false;
	fruit.immuneToGameOver = true;
	LK.setTimeout(function () {
		if (fruit && fruits.includes(fruit)) {
			fruit.immuneToGameOver = false;
		}
	}, 1000);
}
function updateScoreDisplay() {
	scoreText.setText(LK.getScore());
}
function setupUI() {
	scoreText = new Text2("0", {
		size: 120,
		fill: 0x000000
	});
	scoreText.anchor.set(0.5, 0);
	LK.gui.top.addChild(scoreText);
	scoreText.y = 400;
	setupChargedBallDisplay();
}
function setupChargedBallDisplay() {
	chargedBallUI = new ChargedBallUI();
	chargedBallUI.initialize();
	game.addChild(chargedBallUI);
}
function updateChargedBallDisplay() {
	chargedBallUI && chargedBallUI.updateChargeDisplay(chargeCounter);
}
function releaseChargedBalls() {
	readyToReleaseCharged = true;
	chargedBallUI && chargedBallUI.setReadyState(true);
}
function resetChargedBalls() {
	chargedBallUI && chargedBallUI.reset();
}
function checkFruitCollisions() {
	for (var k = 0; k < fruits.length; k++) {
		if (fruits[k]) {
			fruits[k].neighboringFruits = 0;
			fruits[k].neighborContacts = fruits[k].neighborContacts || [];
			fruits[k].neighborContacts = [];
		}
	}
	outerLoop: for (var i = fruits.length - 1; i >= 0; i--) {
		var fruit1 = fruits[i];
		if (!fruit1 || fruit1 === activeFruit || fruit1.merging || fruit1.isStatic) {
			continue;
		}
		var candidates = spatialGrid.getPotentialCollisions(fruit1);
		for (var j = 0; j < candidates.length; j++) {
			var fruit2 = candidates[j];
			if (!fruit2 || fruit2 === activeFruit || fruit2.merging || fruit2.isStatic || fruit1 === fruit2) {
				continue;
			}
			if (fruits.indexOf(fruit2) === -1) {
				continue;
			}
			var dx = fruit2.x - fruit1.x;
			var dy = fruit2.y - fruit1.y;
			var distanceSquared = dx * dx + dy * dy;
			var distance = Math.sqrt(distanceSquared);
			var fruit1HalfWidth = fruit1.width / 2;
			var fruit1HalfHeight = fruit1.height / 2;
			var fruit2HalfWidth = fruit2.width / 2;
			var fruit2HalfHeight = fruit2.height / 2;
			var absDistanceX = Math.abs(dx);
			var absDistanceY = Math.abs(dy);
			var level1 = getFruitLevel(fruit1);
			var level2 = getFruitLevel(fruit2);
			var hitboxReduction = 0;
			if (level1 > 5) {
				hitboxReduction += (level1 - 5) * 3;
			}
			if (level2 > 5) {
				hitboxReduction += (level2 - 5) * 3;
			}
			var combinedHalfWidths = fruit1HalfWidth + fruit2HalfWidth - hitboxReduction / 2;
			var combinedHalfHeights = fruit1HalfHeight + fruit2HalfHeight - hitboxReduction / 2;
			var colliding = absDistanceX < combinedHalfWidths && absDistanceY < combinedHalfHeights;
			if (colliding) {
				if (fruit1.type === fruit2.type) {
					fruit1.merge(fruit2);
					continue outerLoop;
				} else {
					if (distance === 0) {
						distance = 0.1;
						dx = distance;
						dy = 0;
					}
					var overlap = combinedHalfWidths - absDistanceX;
					if (absDistanceY < combinedHalfHeights && absDistanceX < combinedHalfWidths) {
						overlap = Math.min(combinedHalfWidths - absDistanceX, combinedHalfHeights - absDistanceY);
					}
					var normalizeX = dx / distance;
					var normalizeY = dy / distance;
					var moveX = overlap / 2 * normalizeX;
					var moveY = overlap / 2 * normalizeY;
					var separationFactor = 1.05;
					fruit1.x -= moveX * separationFactor;
					fruit1.y -= moveY * separationFactor;
					fruit2.x += moveX * separationFactor;
					fruit2.y += moveY * separationFactor;
					var rvX = fruit2.vx - fruit1.vx;
					var rvY = fruit2.vy - fruit1.vy;
					var contactVelocity = rvX * normalizeX + rvY * normalizeY;
					if (contactVelocity < 0) {
						var collisionElasticity = Math.max(fruit1.elasticity, fruit2.elasticity);
						var impulse = -(1 + collisionElasticity) * contactVelocity;
						var level1 = getFruitLevel(fruit1);
						var level2 = getFruitLevel(fruit2);
						var mass1 = Math.pow(level1, 2.0) * Math.pow(fruit1.type.size, 1.5);
						var mass2 = Math.pow(level2, 2.0) * Math.pow(fruit2.type.size, 1.5);
						var totalMass = mass1 + mass2;
						var impulseRatio1 = totalMass > 0 ? mass2 / totalMass : 0.5;
						var impulseRatio2 = totalMass > 0 ? mass1 / totalMass : 0.5;
						var levelDifference = Math.abs(level1 - level2);
						var levelImpactMultiplier = 1 + levelDifference * 0.03;
						var maxImpulseRatio = 1.7;
						if (level1 > level2) {
							impulseRatio2 = Math.min(impulseRatio2 * levelImpactMultiplier * 1.3, maxImpulseRatio * impulseRatio2);
						} else if (level2 > level1) {
							impulseRatio1 = Math.min(impulseRatio1 * levelImpactMultiplier * 1.3, maxImpulseRatio * impulseRatio1);
						}
						var velocityMagnitude = Math.sqrt(rvX * rvX + rvY * rvY);
						var velocityDampening = 1.0;
						if (velocityMagnitude > 5) {
							velocityDampening = 0.5 + 0.5 * (5 / velocityMagnitude);
						}
						var impulse1 = impulse * impulseRatio1 * velocityDampening;
						var impulse2 = impulse * impulseRatio2 * velocityDampening;
						var sizeDifference = Math.abs(fruit1.type.size - fruit2.type.size) / Math.max(fruit1.type.size, fruit2.type.size, 1);
						if (fruit1.type.size < fruit2.type.size) {
							impulse1 *= 1 + sizeDifference * 2.5;
							fruit1._lastBounceTime = Date.now();
						} else if (fruit2.type.size < fruit1.type.size) {
							impulse2 *= 1 + sizeDifference * 2.5;
							fruit2._lastBounceTime = Date.now();
						}
						fruit1.vx -= impulse1 * normalizeX;
						fruit1.vy -= impulse1 * normalizeY;
						fruit2.vx += impulse2 * normalizeX;
						fruit2.vy += impulse2 * normalizeY;
						var tangentX = -normalizeY;
						var tangentY = normalizeX;
						var tangentVelocity = rvX * tangentX + rvY * tangentY;
						var frictionImpulse = -tangentVelocity * 0.1;
						fruit1.vx -= frictionImpulse * tangentX * impulseRatio1;
						fruit1.vy -= frictionImpulse * tangentY * impulseRatio1;
						fruit2.vx += frictionImpulse * tangentX * impulseRatio2;
						fruit2.vy += frictionImpulse * tangentY * impulseRatio2;
						var rotationTransferFactor = 0.01;
						var tangentialComponent = rvX * tangentX + rvY * tangentY;
						var inertia1 = mass1 * Math.pow(fruit1.width / 2, 2);
						var inertia2 = mass2 * Math.pow(fruit2.width / 2, 2);
						var angularImpulse = tangentialComponent * rotationTransferFactor;
						fruit1.angularVelocity += inertia2 > 0 ? angularImpulse * (inertia1 / (inertia1 + inertia2)) : angularImpulse * 0.5;
						fruit2.angularVelocity -= inertia1 > 0 ? angularImpulse * (inertia2 / (inertia1 + inertia2)) : angularImpulse * 0.5;
						fruit1.angularVelocity *= 0.95;
						fruit2.angularVelocity *= 0.95;
						fruit1.angularVelocity = Math.min(Math.max(fruit1.angularVelocity, -fruit1.maxAngularVelocity), fruit1.maxAngularVelocity);
						fruit2.angularVelocity = Math.min(Math.max(fruit2.angularVelocity, -fruit2.maxAngularVelocity), fruit2.maxAngularVelocity);
						fruit1.neighboringFruits = (fruit1.neighboringFruits || 0) + 1;
						fruit2.neighboringFruits = (fruit2.neighboringFruits || 0) + 1;
						fruit1.neighborContacts = fruit1.neighborContacts || [];
						fruit2.neighborContacts = fruit2.neighborContacts || [];
						if (fruit1.neighborContacts.indexOf(fruit2.id) === -1) {
							fruit1.neighborContacts.push(fruit2.id);
						}
						if (fruit2.neighborContacts.indexOf(fruit1.id) === -1) {
							fruit2.neighborContacts.push(fruit1.id);
						}
						var currentTime = Date.now();
						fruit1._collisionHistory = fruit1._collisionHistory || {};
						fruit2._collisionHistory = fruit2._collisionHistory || {};
						var recentCollision = false;
						if (fruit1._collisionHistory[fruit2.id] && currentTime - fruit1._collisionHistory[fruit2.id] < 300) {
							recentCollision = true;
						}
						fruit1._collisionHistory[fruit2.id] = currentTime;
						fruit2._collisionHistory[fruit1.id] = currentTime;
						if (recentCollision) {
							fruit1.vx *= 0.7;
							fruit1.vy *= 0.7;
							fruit2.vx *= 0.7;
							fruit2.vy *= 0.7;
							fruit1.angularVelocity *= 0.6;
							fruit2.angularVelocity *= 0.6;
						}
						if (fruit1.neighborContacts.length >= 3 || fruit2.neighborContacts.length >= 3) {
							var stabilizeFactor = 0.6;
							fruit1.vx *= stabilizeFactor;
							fruit1.vy *= stabilizeFactor;
							fruit2.vx *= stabilizeFactor;
							fruit2.vy *= stabilizeFactor;
							fruit1.angularVelocity *= 0.75;
							fruit2.angularVelocity *= 0.75;
						}
					}
				}
			}
		}
	}
}
function checkGameOver() {
	if (gameOver) {
		return;
	}
	for (var i = 0; i < fruits.length; i++) {
		var fruit = fruits[i];
		if (!fruit || fruit === activeFruit || fruit.merging || fruit.isStatic) {
			continue;
		}
		var fruitHalfHeight = fruit.height / 2;
		var fruitHalfWidth = fruit.width / 2;
		var fruitLevel = getFruitLevel(fruit);
		var sizeReduction = 0;
		if (fruitLevel > 5) {
			sizeReduction = (fruitLevel - 5) * 3;
		}
		fruitHalfHeight = Math.max(10, fruitHalfHeight - sizeReduction / 2);
		fruitHalfWidth = Math.max(10, fruitHalfWidth - sizeReduction / 2);
		var cosAngle = Math.abs(Math.cos(fruit.rotation));
		var sinAngle = Math.abs(Math.sin(fruit.rotation));
		var effectiveHeight = fruitHalfHeight * cosAngle + fruitHalfWidth * sinAngle;
		var fruitTopY = fruit.y - effectiveHeight;
		var lineBottomY = gameOverLine.y + gameOverLine.height / 2;
		if (fruitTopY <= lineBottomY) {
			var effectiveWidth = fruitHalfWidth * cosAngle + fruitHalfHeight * sinAngle;
			var fruitLeftX = fruit.x - effectiveWidth;
			var fruitRightX = fruit.x + effectiveWidth;
			var lineLeftX = gameOverLine.x - gameOverLine.width * gameOverLine.scaleX / 2;
			var lineRightX = gameOverLine.x + gameOverLine.width * gameOverLine.scaleX / 2;
			var horizontalOverlap = !(fruitRightX < lineLeftX || fruitLeftX > lineRightX);
			if (horizontalOverlap) {
				if (fruit.immuneToGameOver) {
					continue;
				}
				var stableOrSlowing = Math.abs(fruit.vy) < 1.0 || fruit._boundaryContacts && (fruit._boundaryContacts.left || fruit._boundaryContacts.right || fruit._boundaryContacts.floor);
				if (stableOrSlowing) {
					gameOver = true;
					LK.showGameOver();
					return;
				}
			}
		} else {
			fruit.safetyPeriod = undefined;
		}
	}
}
function setupPineapple() {
	pineapple = new Fruit(FruitTypes.PINEAPPLE);
	pineapple.x = -pineapple.width / 2;
	pineapple.y = 200;
	pineapple.isStatic = true;
	pineappleActive = false;
	pineapplePushCount = 0;
	game.addChild(pineapple);
}
function pushPineapple() {
	if (!pineappleActive && pineapple) {
		var step = mergeCounter;
		var totalSteps = 15;
		var percentage = Math.min(step / totalSteps, 1.0);
		var startPos = -pineapple.width / 2;
		var endPos = gameWidth * 0.16;
		var newX = startPos + percentage * (endPos - startPos);
		tween(pineapple, {
			x: newX
		}, {
			duration: 300,
			easing: tween.bounceOut
		});
	}
}
function initGame() {
	LK.setScore(0);
	gameOver = false;
	fruits = [];
	chargeCounter = 0;
	if (chargedBallUI) {
		chargedBallUI.destroy();
	}
	chargedBallUI = null;
	readyToReleaseCharged = false;
	lastScoreCheckForCoconut = 0;
	lastDroppedFruit = null;
	lastDroppedHasMerged = false;
	mergeCounter = 0;
	isClickable = true;
	// Initialize fire background
	if (fireContainer) {
		// Clean up existing fire elements
		for (var i = 0; i < activeFireElements.length; i++) {
			if (activeFireElements[i]) {
				activeFireElements[i].destroy();
			}
		}
		fireContainer.destroy();
	}
	fireContainer = new Container();
	game.addChildAt(fireContainer, 0); // Add at bottom layer
	activeFireElements = [];
	if (spatialGrid) {
		spatialGrid.clear();
	} else {
		var avgFruitSize = 0;
		var fruitCount = 0;
		for (var fruitType in FruitTypes) {
			if (FruitTypes.hasOwnProperty(fruitType)) {
				avgFruitSize += FruitTypes[fruitType].size;
				fruitCount++;
			}
		}
		avgFruitSize = fruitCount > 0 ? avgFruitSize / fruitCount : 300;
		var optimalCellSize = Math.ceil(avgFruitSize * 1.1);
		spatialGrid = new SpatialGrid(optimalCellSize);
	}
	LK.playMusic('bgmusic');
	if (wallLeft) {
		wallLeft.destroy();
	}
	if (wallRight) {
		wallRight.destroy();
	}
	if (gameFloor) {
		gameFloor.destroy();
	}
	if (gameOverLine) {
		gameOverLine.destroy();
	}
	if (pineapple) {
		pineapple.destroy();
	}
	if (trajectoryLine) {
		trajectoryLine.destroy();
	}
	if (evolutionLine) {
		evolutionLine.destroy();
	}
	setupBoundaries();
	setupUI();
	setupPineapple();
	updateFireBackground(); // Initial setup of fire elements
	trajectoryLine = game.addChild(new TrajectoryLine());
	trajectoryLine.createDots();
	evolutionLine = game.addChild(new EvolutionLine());
	evolutionLine.initialize();
	updateScoreDisplay();
	activeFruit = null;
	createNextFruit();
	resetChargedBalls();
}
function spawnCoconut() {
	var coconut = new Fruit(FruitTypes.COCONUT);
	var minX = wallLeft.x + wallLeft.width / 2 + coconut.width / 2 + 50;
	var maxX = wallRight.x - wallRight.width / 2 - coconut.width / 2 - 50;
	coconut.x = minX + Math.random() * (maxX - minX);
	coconut.y = gameHeight + coconut.height / 2;
	coconut.isStatic = true;
	game.addChild(coconut);
	fruits.push(coconut);
	coconut.safetyPeriod = false;
	coconut.immuneToGameOver = true;
	var targetY = gameHeight - gameFloor.height / 2 - coconut.height / 2 - 10;
	tween(coconut, {
		y: targetY
	}, {
		duration: 1200,
		easing: tween.easeIn,
		onFinish: function onFinish() {
			if (!coconut || !fruits.includes(coconut)) {
				return;
			}
			coconut.isStatic = false;
			coconut.vy = -2;
			coconut.vx = (Math.random() * 2 - 1) * 1.5;
			spatialGrid.insertObject(coconut);
			LK.setTimeout(function () {
				if (coconut && fruits.includes(coconut)) {
					coconut.immuneToGameOver = false;
				}
			}, 1000);
		}
	});
}
var lastScoreCheckForCoconut = 0;
game.down = function (x, y) {
	if (activeFruit && !gameOver) {
		isDragging = true;
		game.move(x, y);
	}
};
game.move = function (x, y) {
	if (isDragging && activeFruit && !gameOver) {
		var fruitRadius = activeFruit.width / 2;
		var minX = wallLeft.x + wallLeft.width / 2 + fruitRadius;
		var maxX = wallRight.x - wallRight.width / 2 - fruitRadius;
		activeFruit.x = Math.max(minX, Math.min(maxX, x));
		activeFruit.y = dropPointY + 200;
		if (trajectoryLine) {
			trajectoryLine.updateTrajectory(activeFruit.x, activeFruit.y);
		}
	}
};
game.up = function () {
	if (isDragging && activeFruit && isClickable && !gameOver) {
		dropFruit();
	}
	isDragging = false;
};
function updatePhysics() {
	if (spatialGrid && Date.now() - spatialGrid.lastRebuildTime > spatialGrid.rebuildInterval) {
		spatialGrid.rebuildGrid(fruits);
	}
	for (var i = fruits.length - 1; i >= 0; i--) {
		var fruit = fruits[i];
		if (!fruit || fruit.isStatic || fruit.merging) {
			continue;
		}
		fruit.updatePhysics();
		var walls = {
			left: wallLeft,
			right: wallRight
		};
		fruit.checkBoundaries(walls, gameFloor);
	}
	checkFruitCollisions();
	for (var i = 0; i < fruits.length; i++) {
		var fruit = fruits[i];
		if (fruit && !fruit.isStatic && !fruit.merging) {
			if (fruit.surroundedFrames === undefined) {
				fruit.surroundedFrames = 0;
			}
			var boundaryContact = fruit.wallContactFrames > 0;
			var floorProximity = fruit.y + fruit.height / 2 >= gameFloor.y - gameFloor.height / 2 - 10;
			var hasMultipleNeighbors = fruit.neighborContacts && fruit.neighborContacts.length >= 2;
			var isSlowMoving = Math.abs(fruit.vx) < 0.3 && Math.abs(fruit.vy) < 0.3;
			var hasGapBelow = false;
			if (floorProximity || hasMultipleNeighbors) {
				var potentialNeighbors = spatialGrid.getPotentialCollisions({
					x: fruit.x,
					y: fruit.y + fruit.height / 2 + 20,
					width: fruit.width * 0.6,
					height: 20,
					id: 'gap_check_' + fruit.id
				});
				hasGapBelow = potentialNeighbors.length === 0 && !floorProximity;
				if (hasGapBelow && isSlowMoving) {
					var leftCount = 0,
						rightCount = 0;
					for (var j = 0; j < fruit.neighborContacts.length; j++) {
						var neighborId = fruit.neighborContacts[j];
						for (var k = 0; k < fruits.length; k++) {
							if (fruits[k] && fruits[k].id === neighborId) {
								if (fruits[k].x < fruit.x) {
									leftCount++;
								} else if (fruits[k].x > fruit.x) {
									rightCount++;
								}
								break;
							}
						}
					}
					if (leftCount < rightCount) {
						fruit.vx -= 0.05;
					} else if (rightCount < leftCount) {
						fruit.vx += 0.05;
					} else {
						fruit.vx += Math.random() * 0.1 - 0.05;
					}
				}
			}
			var stabilizationScenario = boundaryContact ? "boundary" : floorProximity ? "floor" : hasMultipleNeighbors ? "surrounded" : "free";
			switch (stabilizationScenario) {
				case "boundary":
					fruit.surroundedFrames = 0;
					break;
				case "floor":
					fruit.surroundedFrames = 0;
					break;
				case "surrounded":
					fruit.surroundedFrames++;
					var stabilizationStrength = Math.min(0.92, 0.75 + fruit.surroundedFrames * 0.015);
					if (fruit.neighborContacts.length >= 3) {
						stabilizationStrength = Math.min(0.95, stabilizationStrength + 0.03);
					}
					fruit.vx *= stabilizationStrength;
					fruit.vy *= stabilizationStrength;
					fruit.angularVelocity *= stabilizationStrength;
					if (fruit.surroundedFrames > 10 && isSlowMoving || fruit.surroundedFrames > 18) {
						if (Math.abs(fruit.vx) < 0.05) {
							fruit.vx = 0;
						}
						if (Math.abs(fruit.vy) < 0.05) {
							fruit.vy = 0;
						}
						if (Math.abs(fruit.angularVelocity) < 0.005) {
							fruit.angularVelocity = 0;
						}
					}
					break;
				case "free":
					fruit.surroundedFrames = 0;
					break;
			}
			spatialGrid.updateObject(fruit);
		}
	}
}
game.update = function () {
	if (gameOver) {
		return;
	}
	var currentScore = LK.getScore();
	if (currentScore >= lastScoreCheckForCoconut + 1000) {
		lastScoreCheckForCoconut = Math.floor(currentScore / 1000) * 1000;
		spawnCoconut();
	} else {
		if (currentScore > lastScoreCheckForCoconut) {
			lastScoreCheckForCoconut = Math.floor(currentScore / 1000) * 1000;
		}
	}
	updatePhysics();
	checkGameOver();
	// Update fire background
	updateFireBackground();
	// Animate individual fire elements
	for (var i = 0; i < activeFireElements.length; i++) {
		if (activeFireElements[i]) {
			activeFireElements[i].update();
		}
	}
};
initGame();
function updateFireBackground() {
	// Count active fruits on the board (not static, not merging)
	var activeFruitCount = fruits.filter(function (f) {
		return f && !f.isStatic && !f.merging;
	}).length;
	// Calculate target number of fire elements: BASE_FIRES + one for each FRUITS_PER_ADDITIONAL_FIRE total fruits
	var targetFireCount = BASE_FIRES + Math.floor(Math.max(0, activeFruitCount - 1) / FRUITS_PER_ADDITIONAL_FIRE);
	targetFireCount = Math.min(targetFireCount, MAX_FIRES);
	// Create or remove fires to match target count
	if (targetFireCount > activeFireElements.length) {
		// Need to add more fires
		var newFiresCount = targetFireCount - activeFireElements.length;
		for (var i = 0; i < newFiresCount; i++) {
			// Create fire at appropriate position
			createFireElement(activeFireElements.length);
		}
	} else if (targetFireCount < activeFireElements.length) {
		// Need to remove excess fires
		var fireToRemoveCount = activeFireElements.length - targetFireCount;
		for (var i = 0; i < fireToRemoveCount; i++) {
			var fire = activeFireElements.pop(); // Remove from end (highest/last added fires)
			if (fire) {
				fire.destroy(); // Ensure destroy() is called to clean up resources
				fireContainer.removeChild(fire);
			}
		}
	}
}
// Helper function to create a single fire element at the specified index
function createFireElement(index) {
	// Calculate y position (higher fires appear behind/further back)
	var yPos = gameHeight + FIRE_Y_START_OFFSET - index * FIRE_Y_STACK_OFFSET;
	// Randomize x position around center of screen
	var xPos = gameWidth / 2 + (Math.random() * FIRE_X_SPREAD - FIRE_X_SPREAD / 2);
	// Create new fire element
	var newFire = new FireElement(xPos, yPos);
	// Alternate x-axis flip for all fires including the first three
	if (index % 2 === 1) {
		newFire.fireAsset.scaleX = -1; // Flip every other fire
	}
	// Add at index 0 to render behind existing fires
	fireContainer.addChildAt(newFire, 0);
	activeFireElements.push(newFire);
}
function removeFruitFromGame(fruit) {
	var index = fruits.indexOf(fruit);
	if (index !== -1) {
		fruits.splice(index, 1);
	}
	spatialGrid.removeObject(fruit);
	fruit.destroy();
}

===================================================================
--- original.js
+++ change.js
@@ -310,9 +310,11 @@
 	self.zIndex = zIndex || 0;
 	self.movementRange = 30 + Math.random() * 20;
 	self.movementSpeed = 0.3 + Math.random() * 0.4;
 	self.direction = Math.random() > 0.5 ? 1 : -1;
-	// Alpha range changed to 0.2-0.6
+	// Alpha range changed to 0.7-1.0
+	self.alphaMin = 0.7;
+	self.alphaMax = 1.0;
 	self.flickerSpeed = 500 + Math.random() * 300;
 	// Setup
 	self.initialize = function () {
 		self.fireAsset = self.attachAsset('fire', {
@@ -337,44 +339,36 @@
 	self.startAlphaFlicker = function () {
 		if (self.flickerTween) {
 			self.flickerTween.stop();
 		}
-		// Set initial random alpha between 10%-50%
-		self.fireAsset.alpha = 0.1 + Math.random() * 0.4;
 		// Randomize starting delay to avoid synchronized flickers
-		var startDelay = Math.random() * 300;
+		var startDelay = Math.random() * 500;
 		LK.setTimeout(function () {
 			self.flickerToMax();
 		}, startDelay);
 	};
 	self.flickerToMax = function () {
-		// Set a random alpha between 0.1 (10%) and 0.5 (50%)
-		var randomAlpha = 0.1 + Math.random() * 0.4;
-		self.fireAsset.alpha = randomAlpha;
-		// Schedule next flicker with random timing
-		LK.setTimeout(function () {
-			if (!self.isDestroyed) {
-				self.flickerToMin();
-			}
-		}, 100 + Math.random() * 300);
+		self.flickerTween = tween(self.fireAsset, {
+			alpha: self.alphaMax // Use class variable instead of hardcoded value
+		}, {
+			duration: self.flickerSpeed,
+			easing: tween.easeInOut,
+			onFinish: self.flickerToMin
+		});
 	};
 	self.flickerToMin = function () {
-		// Set a random alpha between 0.1 (10%) and 0.5 (50%)
-		var randomAlpha = 0.1 + Math.random() * 0.4;
-		self.fireAsset.alpha = randomAlpha;
-		// Schedule next flicker with random timing
-		LK.setTimeout(function () {
-			if (!self.isDestroyed) {
-				self.flickerToMax();
-			}
-		}, 100 + Math.random() * 300);
+		self.flickerTween = tween(self.fireAsset, {
+			alpha: self.alphaMin // Use class variable instead of hardcoded value
+		}, {
+			duration: self.flickerSpeed,
+			easing: tween.easeInOut,
+			onFinish: self.flickerToMax
+		});
 	};
 	self.destroy = function () {
 		if (self.flickerTween) {
 			self.flickerTween.stop();
 		}
-		// We'll use a flag to prevent any pending setTimeouts from running
-		self.isDestroyed = true;
 		Container.prototype.destroy.call(this);
 	};
 	self.initialize();
 	return self;