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

/**** 
* Classes
****/ 
var Fruit = Container.expand(function (type) {
	var self = Container.call(this);
	// FruitTypes is being used before it's defined, so we need to handle this case
	self.type = type;
	self.vx = 0;
	self.vy = 0;
	self.rotation = 0;
	self.angularVelocity = 0;
	self.angularFriction = 0.92; // Increased friction for faster angular velocity reduction
	self.groundAngularFriction = 0.75; // Stronger ground friction to stop spinning faster
	self.gravity = 1.8; // Doubled gravity to make fruits drop faster
	self.friction = 0.98;
	// Calculate elasticity based on fruit level
	// The biggest fruit (DURIAN) has elasticity of 0.7
	// Smaller fruits are more bouncy with elasticity closer to 1.0
	var fruitLevels = {
		'CHERRY': 1,
		'GRAPE': 2,
		'APPLE': 3,
		'ORANGE': 4,
		'WATERMELON': 5,
		'PINEAPPLE': 6,
		'MELON': 7,
		'PEACH': 8,
		'COCONUT': 9,
		'DURIAN': 10
	};
	var currentLevel = self.type ? fruitLevels[self.type.id.toUpperCase()] || 10 : 10;
	// Scale elasticity from 0.9 (most bouncy) for level 1 to 0.7 (least bouncy) for level 10
	self.elasticity = 0.9 - (currentLevel - 1) * (0.2 / 9);
	self.merging = false;
	self.isStatic = false;
	self.maxAngularVelocity = 0.15; // Add maximum angular velocity cap
	// Only attempt to attach the asset if self.type exists and has necessary properties
	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
		});
		// Set width and height directly from the actual asset for accurate hitbox
		self.width = fruitGraphics.width;
		self.height = fruitGraphics.height;
		// No point value shown on fruit
	} else {
		// This will be initialized properly when the game is fully loaded
		console.log("Warning: Fruit type not available yet or missing required properties");
	}
	self.update = function () {
		// Skip updates for static or merging fruits
		if (self.isStatic || self.merging) {
			return;
		}
		// Initialize necessary tracking properties if undefined
		if (self.safetyPeriod === undefined) {
			self.safetyPeriod = false;
		}
		if (self.wallContactFrames === undefined) {
			self.wallContactFrames = 0;
		}
		// Track safety period state changes
		if (self.safetyPeriod === false && self.vy <= 0) {
			// When a fruit that was in safety period starts moving upward or stops,
			// it means it has hit something, so it's no longer in safety period
			self.safetyPeriod = true;
		}
		// Add damping when velocity is low
		if (Math.abs(self.vx) < 0.5 && Math.abs(self.vy) < 0.5) {
			self.angularVelocity *= 0.9; // Apply damping when fruit is almost at rest
		}
		// Check for contact with walls to apply wall friction
		// Use width instead of assuming a radius - better for non-circular fruits
		var fruitHalfWidth = self.width / 2;
		var isContactingLeftWall = self.x <= wallLeft.x + wallLeft.width / 2 + fruitHalfWidth + 2;
		var isContactingRightWall = self.x >= wallRight.x - wallRight.width / 2 - fruitHalfWidth - 2;
		if (isContactingLeftWall || isContactingRightWall) {
			// Apply progressive wall friction based on how long the fruit has been in contact
			self.wallContactFrames++;
			// Increase wall friction the longer the fruit stays in contact
			var progressiveFriction = Math.min(0.85, 0.65 + self.wallContactFrames * 0.01);
			self.angularVelocity *= progressiveFriction;
		} else {
			// Reset wall contact frames when not touching walls
			self.wallContactFrames = 0;
		}
		// Check for contact with other fruits to apply additional friction
		var isContactingOtherFruit = false;
		for (var i = 0; i < fruits.length; i++) {
			var otherFruit = fruits[i];
			if (otherFruit !== self && !otherFruit.merging && !otherFruit.isStatic) {
				var dx = otherFruit.x - self.x;
				var dy = otherFruit.y - self.y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				var combinedHalfWidths = (self.width + otherFruit.width) / 2;
				if (distance < combinedHalfWidths + 2) {
					// Small buffer for contact detection
					isContactingOtherFruit = true;
					break;
				}
			}
		}
		// Apply stronger friction when in contact with other fruits
		if (isContactingOtherFruit) {
			self.angularVelocity *= 0.8; // Stronger friction when touching other fruits
		}
		// Apply extreme damping when almost stopped rotating
		if (Math.abs(self.angularVelocity) < 0.01) {
			self.angularVelocity = 0;
		}
	};
	self.merge = function (otherFruit) {
		// Prevent already merging fruits from merging again
		if (self.merging) {
			return;
		}
		// Mark both fruits as merging to prevent further interactions
		self.merging = true;
		otherFruit.merging = true;
		// Calculate midpoint between fruits for new fruit position
		var midX = (self.x + otherFruit.x) / 2;
		var midY = (self.y + otherFruit.y) / 2;
		// Create merge animation for both fruits
		tween(self, {
			alpha: 0,
			scaleX: 0.5,
			scaleY: 0.5
		}, {
			duration: 200,
			easing: tween.easeOut
		});
		tween(otherFruit, {
			alpha: 0,
			scaleX: 0.5,
			scaleY: 0.5
		}, {
			duration: 200,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				// Play merge sound once for all fruit types
				LK.getSound('merge').play();
				// Remove specific merge-based charging logic since all merges charge now
				// Just marking if the last dropped fruit has merged, for other game mechanics that need it
				var fromReleasedFruits = self.fromChargedRelease || otherFruit.fromChargedRelease;
				if (!fromReleasedFruits && (self === lastDroppedFruit || otherFruit === lastDroppedFruit) && !lastDroppedHasMerged) {
					lastDroppedHasMerged = true; // Mark that this fruit has had its first merge
				}
				// Reset fromChargedRelease flag after this merge completes
				// so these fruits can participate in future chain reactions with next player drop
				// Special case for DURIAN - they simply disappear instead of merging
				if (self.type.id.toUpperCase() === 'DURIAN') {
					// Add points based on the durian's value
					LK.setScore(LK.getScore() + self.type.points);
					updateScoreDisplay();
					// Remove both fruits
					removeFruitFromGame(self);
					removeFruitFromGame(otherFruit);
					// Any merge charges fruits regardless of circumstance
					chargeCounter++;
					updateChargedBallDisplay();
					// Check if we've reached 3 charged balls
					if (chargeCounter >= 3 && !readyToReleaseCharged) {
						releaseChargedBalls();
					}
				} else {
					// Normal merge behavior for all other fruits
					var nextType = FruitTypes[self.type.next.toUpperCase()];
					var newFruit = new Fruit(nextType);
					// Position at midpoint with initial small scale
					newFruit.x = midX;
					newFruit.y = midY;
					newFruit.scaleX = 0.5;
					newFruit.scaleY = 0.5;
					// Add to game and array
					game.addChild(newFruit);
					fruits.push(newFruit);
					// Add merge points based on the new fruit's level
					LK.setScore(LK.getScore() + nextType.points);
					updateScoreDisplay();
					// Animate new fruit growing
					tween(newFruit, {
						scaleX: 1,
						scaleY: 1
					}, {
						duration: 300,
						easing: tween.bounceOut
					});
					// Remove both original fruits
					removeFruitFromGame(self);
					removeFruitFromGame(otherFruit);
					// Removed charged balls check here since it's now handled at the beginning of merge function
				}
			}
		});
		// Helper function to remove a fruit from the game
		function removeFruitFromGame(fruit) {
			var index = fruits.indexOf(fruit);
			if (index !== -1) {
				fruits.splice(index, 1);
			}
			fruit.destroy();
		}
	};
	return self;
});
var Line = Container.expand(function () {
	var self = Container.call(this);
	var lineGraphics = self.attachAsset('floor', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Make it visually distinct from the floor
	lineGraphics.tint = 0xff0000;
	// Ensure full width is used for collision but visual is thin
	lineGraphics.height = 20; // Make the visual thinner
	return self;
});

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

/**** 
* Game Code
****/ 
// Game variables
var gameOverLine; // Game over line
var pineapple; // The pineapple that pushes in from left
var pineappleActive = false; // Track if pineapple is active in gameplay
var pineapplePushCount = 0; // Count how many times pineapple has been pushed
var readyToReleaseCharged = false; // Flag to indicate if charged fruits are ready to be released
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: 300,
		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; // The fruit currently controlled by the player
var wallLeft, wallRight, gameFloor;
var dropPointY = 200; // Y coordinate where new fruits appear
var gameOver = false;
var scoreText;
var isDragging = false; // Flag to check if the player is currently dragging
var chargedBalls = []; // Array to hold charged ball icons
var chargedBallContainer = null; // Container for charged ball icons
var chargeCounter = 0; // Counter to track dropped balls for charging
var lastDroppedFruit = null; // Track last fruit dropped by player
var lastDroppedHasMerged = false; // Track if last dropped fruit has already had its first merge
// Setup game boundaries
function setupBoundaries() {
	// Left wall
	wallLeft = game.addChild(LK.getAsset('wall', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	wallLeft.x = 0;
	wallLeft.y = gameHeight / 2;
	// Right wall
	wallRight = game.addChild(LK.getAsset('wall', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	wallRight.x = gameWidth;
	wallRight.y = gameHeight / 2;
	// Floor
	gameFloor = game.addChild(LK.getAsset('floor', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	gameFloor.x = gameWidth / 2;
	gameFloor.y = gameHeight;
	// Game over line
	gameOverLine = game.addChild(new Line());
	gameOverLine.x = gameWidth / 2;
	gameOverLine.y = 50; // Position 200 pixels higher than before
	gameOverLine.scaleX = 1; // Make it stretch across the entire width of the screen
	gameOverLine.scaleY = 0.2; // Make it thinner
}
// Create new next fruit
function createNextFruit() {
	// Determine which fruit to spawn (for now just start with smaller fruits)
	var fruitProbability = Math.random();
	var fruitType;
	if (fruitProbability < 0.6) {
		fruitType = FruitTypes.CHERRY;
	} else if (fruitProbability < 0.85) {
		fruitType = FruitTypes.GRAPE;
	} else {
		fruitType = FruitTypes.APPLE;
	}
	nextFruitType = fruitType;
	// Update display
	// No explicit preview display needed, the next fruit will be the one the player controls
	// Create the active fruit
	activeFruit = new Fruit(nextFruitType);
	// Position at the top center initially, but 100px lower than before
	activeFruit.x = gameWidth / 2;
	activeFruit.y = dropPointY;
	// Make it static while the player controls it
	activeFruit.isStatic = true;
	game.addChild(activeFruit);
}
// Drop fruit at specified position
function dropFruit() {
	if (gameOver || !activeFruit) {
		return;
	}
	// Make the active fruit dynamic so it drops
	activeFruit.isStatic = false;
	// Use standardized drop mechanics
	applyDropPhysics(activeFruit, 3.5); // Standard force for normal fruits
	// Add the fruit to the main fruits array
	fruits.push(activeFruit);
	// Mark this as the player's dropped fruit to track its first merge
	lastDroppedFruit = activeFruit;
	lastDroppedHasMerged = false;
	// Reset fromChargedRelease flags on all fruits when a new player fruit is dropped
	// This allows previously released charged fruits to participate in new chain reactions
	for (var i = 0; i < fruits.length; i++) {
		if (fruits[i] && fruits[i].fromChargedRelease) {
			fruits[i].fromChargedRelease = false;
		}
	}
	// Play drop sound
	LK.getSound('drop').play();
	// Check if we have charged balls ready to be released
	if (readyToReleaseCharged && chargeCounter >= 3) {
		// Create and drop 3 level 3 (apple) balls
		for (var i = 0; i < 3; i++) {
			// Create the actual fruit from the same position as the UI ball
			var apple = new Fruit(FruitTypes.APPLE);
			// Get the global position of the charged ball
			var chargedBallPosition = chargedBalls[i].parent.toGlobal(chargedBalls[i].position);
			var gamePosition = game.toLocal(chargedBallPosition);
			// Position the apple at the exact same position as the UI ball
			apple.x = gamePosition.x;
			apple.y = gamePosition.y;
			// Make it dynamic so it drops
			apple.isStatic = false;
			// Apply standard drop physics
			applyDropPhysics(apple, 3.5);
			// Mark this fruit as coming from charged release
			apple.fromChargedRelease = true;
			// Add to game and fruits array
			game.addChild(apple);
			fruits.push(apple);
		}
		// Reset charge counter
		chargeCounter = 0;
		// Reset charged balls UI
		resetChargedBalls();
		// Reset the release flag
		readyToReleaseCharged = false;
	}
	// Charge counter is now only incremented on merges
	// Handle pineapple logic
	if (pineappleActive) {
		// Pineapple is ready to drop after pushes
		pineapple.isStatic = false;
		// Use standardized drop mechanics with less force for bigger fruit
		applyDropPhysics(pineapple, 2.5);
		// Add to fruits array
		fruits.push(pineapple);
		// Start 2-second timer to enable game over contact
		LK.setTimeout(function () {
			pineapple.immuneToGameOver = false;
		}, 2000);
		// Setup a new pineapple for next cycle
		setupPineapple();
	} else {
		// Push the pineapple further in
		pushPineapple();
	}
	// Clear active fruit
	activeFruit = null;
	// Create the next fruit immediately
	createNextFruit();
}
// Helper function to standardize drop physics for all fruits
function applyDropPhysics(fruit, forceMultiplier) {
	// Add angle variation - random angle between -10 and +10 degrees
	var angle = (Math.random() * 20 - 10) * (Math.PI / 180); // Convert to radians
	// Apply velocity based on angle
	fruit.vx = Math.sin(angle) * forceMultiplier;
	fruit.vy = Math.abs(Math.cos(angle) * forceMultiplier); // Make sure initial Y velocity is downward
	// Mark this fruit as in safety period since it's newly dropped
	fruit.safetyPeriod = false;
	// Make it immune to game over for a second
	fruit.immuneToGameOver = true;
	// Start 1-second timer to enable game over contact
	LK.setTimeout(function () {
		if (fruit && fruits.includes(fruit)) {
			fruit.immuneToGameOver = false;
		}
	}, 1000);
}
// Update score display
function updateScoreDisplay() {
	scoreText.setText(LK.getScore());
}
// Setup UI
function setupUI() {
	// Score display
	scoreText = new Text2("0", {
		size: 80,
		fill: 0xFFFFFF
	});
	scoreText.anchor.set(0.5, 0);
	LK.gui.top.addChild(scoreText);
	scoreText.y = 30;
	// Create charged ball grid
	setupChargedBallDisplay();
}
// Create charged ball grid
function setupChargedBallDisplay() {
	// Create container for charged balls
	chargedBallContainer = new Container();
	game.addChild(chargedBallContainer);
	// Position the container at the top of the screen
	chargedBallContainer.y = 700;
	// Use consistent values for UI balls matching the actual game fruit
	var ballType = FruitTypes.APPLE; // Level 3 ball type
	// Calculate spacing to evenly distribute 3 balls with 200px padding on both sides
	var padding = 200; // 200px padding on both sides
	var spacing = (gameWidth - padding * 2) / 2; // Evenly distribute 3 balls with padding
	var startX = padding; // Starting position with padding from left edge
	// No scale needed - we'll use the fruit at full size to match gameplay
	// Create 3 balls in a single row
	for (var i = 0; i < 3; i++) {
		// Changed loop to 3
		var ball = new Container();
		// Use apple as charged balls with consistent scale
		var ballGraphics = ball.attachAsset('apple', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		// Don't scale down the apple UI elements - keep them full size to match gameplay
		ball.scaleX = 1.0;
		ball.scaleY = 1.0;
		// Position in single row with equal spacing
		ball.x = startX + i * spacing;
		// Set to semi-transparent initially
		ball.alpha = 0.5;
		// Add to container and array
		chargedBallContainer.addChild(ball);
		chargedBalls.push(ball);
	}
	// Center the container horizontally
	chargedBallContainer.x = 0;
}
// Function to update charged ball display
function updateChargedBallDisplay() {
	// Update the visibility of balls based on chargeCounter
	for (var i = 0; i < chargedBalls.length; i++) {
		if (i < chargeCounter) {
			// Balls that are charged are fully visible
			if (chargedBalls[i].alpha !== 1) {
				tween(chargedBalls[i], {
					alpha: 1
				}, {
					duration: 300,
					easing: tween.easeOut
				});
			}
		} else {
			// Balls that are not yet charged are semi-transparent
			if (chargedBalls[i].alpha !== 0.5) {
				chargedBalls[i].alpha = 0.5;
			}
		}
	}
}
// Function to prepare charged balls for release (just sets a flag, doesn't release them yet)
function releaseChargedBalls() {
	// Don't play drop sound here anymore as we're not dropping yet
	// Just set a flag to indicate we have charged balls ready to be released
	readyToReleaseCharged = true;
	// We don't reset the charge counter or UI here - we'll do that when the charged fruits are actually released
}
// Separate function to reset charged balls UI
function resetChargedBalls() {
	// Reset the charged ball display immediately
	for (var j = 0; j < chargedBalls.length; j++) {
		// Explicitly reset all balls to inactive state with tween to ensure transition
		tween(chargedBalls[j], {
			alpha: 0.5
		}, {
			duration: 200,
			easing: tween.easeOut
		});
		chargedBalls[j].scaleX = 1.0; // Keep at full size to match gameplay apple
		chargedBalls[j].scaleY = 1.0; // Keep at full size to match gameplay apple
	}
	// No need to call updateChargedBallDisplay() as we set the state directly here
}
// Check for fruit collisions
function checkFruitCollisions() {
	for (var i = 0; i < fruits.length; i++) {
		var fruit1 = fruits[i];
		// Skip collision for the active fruit
		if (fruit1 === activeFruit || fruit1.merging) {
			continue;
		}
		for (var j = i + 1; j < fruits.length; j++) {
			var fruit2 = fruits[j];
			// Skip collision for the active fruit
			if (fruit2 === activeFruit || fruit2.merging) {
				continue;
			}
			// Calculate distance between centers
			var dx = fruit2.x - fruit1.x;
			var dy = fruit2.y - fruit1.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			// Check if they are overlapping - use actual asset dimensions for more accurate hitboxes
			// Calculate half dimensions for both fruits
			var fruit1HalfWidth = fruit1.width / 2;
			var fruit1HalfHeight = fruit1.height / 2;
			var fruit2HalfWidth = fruit2.width / 2;
			var fruit2HalfHeight = fruit2.height / 2;
			// Check for collision using Rectangle Intersection algorithm
			// First, calculate the distance between centers on each axis
			var absDistanceX = Math.abs(dx);
			var absDistanceY = Math.abs(dy);
			// Then calculate the sum of half-widths and half-heights
			var combinedHalfWidths = fruit1HalfWidth + fruit2HalfWidth;
			var combinedHalfHeights = fruit1HalfHeight + fruit2HalfHeight;
			// If distance on either axis is less than combined halves, we have an overlap
			if (absDistanceX < combinedHalfWidths && absDistanceY < combinedHalfHeights) {
				// Resolve collision (simple separation and velocity adjustment)
				var combinedRadius = Math.min(combinedHalfWidths, combinedHalfHeights);
				var overlap = combinedRadius - distance;
				var normalizeX = dx / distance;
				var normalizeY = dy / distance;
				var moveX = overlap / 2 * normalizeX;
				var moveY = overlap / 2 * normalizeY;
				fruit1.x -= moveX;
				fruit1.y -= moveY;
				fruit2.x += moveX;
				fruit2.y += moveY;
				// Calculate relative velocity
				var rvX = fruit2.vx - fruit1.vx;
				var rvY = fruit2.vy - fruit1.vy;
				var contactVelocity = rvX * normalizeX + rvY * normalizeY;
				// Only resolve if velocities are separating
				if (contactVelocity < 0) {
					// Use the higher elasticity for the collision (smaller fruits bounce more)
					var collisionElasticity = Math.max(fruit1.elasticity, fruit2.elasticity);
					var impulse = -(1 + collisionElasticity) * contactVelocity;
					var totalMass = fruit1.type.size + fruit2.type.size; // Using size as a proxy for mass
					var impulse1 = impulse * (fruit2.type.size / totalMass);
					var impulse2 = impulse * (fruit1.type.size / totalMass);
					// Apply impact scaling for smaller fruits against bigger ones
					// Smaller fruits should bounce away more from larger fruits
					var sizeDifference = Math.abs(fruit1.type.size - fruit2.type.size) / Math.max(fruit1.type.size, fruit2.type.size);
					if (fruit1.type.size < fruit2.type.size) {
						impulse1 *= 1 + sizeDifference * 0.5; // Smaller fruit gets extra bounce
					} else if (fruit2.type.size < fruit1.type.size) {
						impulse2 *= 1 + sizeDifference * 0.5; // Smaller fruit gets extra bounce
					}
					fruit1.vx -= impulse1 * normalizeX;
					fruit1.vy -= impulse1 * normalizeY;
					fruit2.vx += impulse2 * normalizeX;
					fruit2.vy += impulse2 * normalizeY;
					// Apply friction between colliding fruits
					var tangentX = -normalizeY;
					var tangentY = normalizeX;
					var tangentVelocity = rvX * tangentX + rvY * tangentY;
					var frictionImpulse = -tangentVelocity * 0.2; // Increased friction factor
					fruit1.vx -= frictionImpulse * tangentX;
					fruit1.vy -= frictionImpulse * tangentY;
					fruit2.vx += frictionImpulse * tangentX;
					fruit2.vy += frictionImpulse * tangentY;
					// Apply angular velocity change based on collision with proportional damping
					var fruit1AngularImpulse = impulse1 * (tangentX * normalizeY - tangentY * normalizeX) * 0.0005;
					var fruit2AngularImpulse = impulse2 * (tangentX * normalizeY - tangentY * normalizeX) * 0.0005;
					fruit1.angularVelocity += fruit1AngularImpulse;
					fruit2.angularVelocity -= fruit2AngularImpulse;
					// Apply additional angular damping during collisions
					fruit1.angularVelocity *= 0.9;
					fruit2.angularVelocity *= 0.9;
					// Cap angular velocity
					fruit1.angularVelocity = Math.min(Math.max(fruit1.angularVelocity, -fruit1.maxAngularVelocity), fruit1.maxAngularVelocity);
					fruit2.angularVelocity = Math.min(Math.max(fruit2.angularVelocity, -fruit2.maxAngularVelocity), fruit2.maxAngularVelocity);
					if (Math.abs(contactVelocity) > 1) {
						// Bounce sound removed
					}
				}
				// Only proceed with merge if fruits are the same type
				if (fruit1.type === fruit2.type) {
					// Merge fruits if they are close enough and of the same type
					fruit1.merge(fruit2);
					break;
				}
			}
		}
	}
}
// Check if game is over (fruits touching the red line)
function checkGameOver() {
	if (gameOver) {
		return;
	}
	// Remove "too many fruits" game over condition
	// Check if any fruits are touching the red line
	for (var i = 0; i < fruits.length; i++) {
		// Don't check game over for the active fruit
		if (fruits[i] === activeFruit) {
			continue;
		}
		// Check if fruit touches the game over line
		// For more accurate collision, calculate if any part of the fruit is above the line
		var fruit = fruits[i];
		var fruitHalfHeight = fruit.height / 2;
		var fruitHalfWidth = fruit.width / 2;
		// Calculate the effective height based on fruit's rotation
		var cosAngle = Math.abs(Math.cos(fruit.rotation));
		var sinAngle = Math.abs(Math.sin(fruit.rotation));
		var effectiveHeight = fruitHalfHeight * cosAngle + fruitHalfWidth * sinAngle;
		// Check if the top of the fruit is above/at the game over line
		var fruitTopY = fruit.y - effectiveHeight;
		var lineBottomY = gameOverLine.y + gameOverLine.height / 2;
		if (!fruit.merging && fruitTopY <= lineBottomY) {
			// Skip game over if the fruit is immune (any fruit in grace period)
			if (fruit.immuneToGameOver) {
				continue;
			}
			// Initialize the safetyPeriod property if not already set
			if (fruits[i].safetyPeriod === undefined) {
				// If the fruit is still moving downward, it's probably just spawned
				if (fruits[i].vy > 0) {
					// Mark this fruit as in safety period - it has just been dropped
					fruits[i].safetyPeriod = false;
					continue; // Skip game over check for freshly dropped fruits
				}
				// If the fruit has hit something and bounced back or is stable, it's no longer in safety period
				if (fruits[i].vy <= 0) {
					fruits[i].safetyPeriod = true; // Mark that we've checked and it's now unsafe
				}
			}
			// Only trigger game over if the fruit is not in safety period
			if (fruits[i].safetyPeriod) {
				// Trigger game over when a fruit touches the line after having bounced/settled
				gameOver = true;
				LK.showGameOver();
				return;
			}
		}
	}
}
// Create and setup the pineapple
function setupPineapple() {
	pineapple = new Fruit(FruitTypes.PINEAPPLE);
	pineapple.x = -pineapple.width / 2; // Start completely off screen
	pineapple.y = 200; // Position 200 pixels higher than before
	pineapple.isStatic = true; // Make it static until it's dropped
	pineappleActive = false; // Not active in gameplay yet
	pineapplePushCount = 0; // Reset push count
	game.addChild(pineapple);
}
// Function to push the pineapple
function pushPineapple() {
	// Only push if not already active in gameplay
	if (!pineappleActive) {
		pineapplePushCount++;
		// Calculate new x position (100px per push instead of 200px)
		var newX = -pineapple.width / 2 + pineapplePushCount * 70;
		// Animate the push
		tween(pineapple, {
			x: newX
		}, {
			duration: 300,
			easing: tween.bounceOut
		});
		// Check if we've pushed the pineapple 7 times
		if (pineapplePushCount >= 7) {
			pineappleActive = true; // Mark as ready to drop on next fruit release
		}
	}
}
// Initialize game
function initGame() {
	LK.setScore(0);
	gameOver = false;
	fruits = [];
	chargeCounter = 0;
	chargedBalls = [];
	readyToReleaseCharged = false;
	lastScoreCheckForCoconut = 0;
	lastDroppedFruit = null;
	lastDroppedHasMerged = false;
	// We no longer reset fromChargedRelease flag here
	// as we want it to persist only for the current chain reaction
	// fromChargedRelease is now reset in the merge function when needed
	// Start background music
	LK.playMusic('bgmusic');
	// Setup game elements
	setupBoundaries();
	setupUI();
	setupPineapple(); // Setup the pineapple
	updateScoreDisplay();
	createNextFruit();
	// Ensure all UI balls are properly initialized to inactive state
	LK.setTimeout(function () {
		if (chargedBalls.length === 3) {
			resetChargedBalls();
		}
	}, 100);
}
// Function to spawn coconut from bottom of screen
function spawnCoconut() {
	var coconut = new Fruit(FruitTypes.COCONUT);
	// Randomly position coconut horizontally within game area
	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);
	// Position below the screen
	coconut.y = gameHeight + coconut.height / 2;
	// Make it static while animating into place
	coconut.isStatic = true;
	// Play the Stonks sound when coconut appears
	LK.getSound('stonks').play();
	// Add to game and fruits array
	game.addChild(coconut);
	fruits.push(coconut);
	// Mark as in safety period
	coconut.safetyPeriod = false;
	// Make it immune to game over for a second
	coconut.immuneToGameOver = true;
	// Use tween to smoothly animate the coconut entering the screen from below
	// Calculate target Y position where the coconut is fully in the board
	var targetY = gameHeight - gameFloor.height / 2 - coconut.height / 2 - 10;
	// Animate entry with an easeOut effect and gradually increasing speed
	tween(coconut, {
		y: targetY
	}, {
		duration: 1200,
		// 1.2 seconds for a faster entry
		easing: tween.easeIn,
		// Start slow and speed up
		onFinish: function onFinish() {
			// Once fully entered, make it dynamic so it can interact with other fruits
			coconut.isStatic = false;
			// Give it a small upward push to make it bounce slightly when it enters
			coconut.vy = -2;
			// Add random horizontal velocity for natural movement
			coconut.vx = (Math.random() * 2 - 1) * 1.5;
			// Start 1-second timer to enable game over contact
			LK.setTimeout(function () {
				if (coconut && fruits.includes(coconut)) {
					coconut.immuneToGameOver = false;
				}
			}, 1000);
		}
	});
}
// Track last score checked for coconut spawn
var lastScoreCheckForCoconut = 0;
// Event handlers
game.down = function (x, y) {
	// We don't need to check specific boundaries to start dragging.
	// As long as there's an active fruit, we can start dragging.
	if (activeFruit) {
		isDragging = true;
		// Update active fruit position immediately
		game.move(x, y);
	}
};
// Mouse or touch move on game object
game.move = function (x, y) {
	if (isDragging && activeFruit) {
		// Only move the active fruit on the X axis - use actual fruit width
		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));
	}
};
// Mouse or touch up on game object
game.up = function () {
	if (isDragging && activeFruit) {
		dropFruit();
	}
	isDragging = false;
};
// Game update loop
game.update = function () {
	// Check if we've reached a new 500-point threshold
	var currentScore = LK.getScore();
	if (Math.floor(currentScore / 500) > Math.floor(lastScoreCheckForCoconut / 500)) {
		// Spawn a coconut for every 500 points
		spawnCoconut();
	}
	lastScoreCheckForCoconut = currentScore;
	// We no longer need to check if pineapple is in the board
	// as we now use push count to determine when it's ready
	// Apply physics and check collisions for each fruit
	for (var i = fruits.length - 1; i >= 0; i--) {
		var fruit = fruits[i];
		if (fruit.isStatic || fruit.merging) {
			continue;
		}
		// Store last position for boundary checks
		if (fruit.lastY === undefined) {
			fruit.lastY = fruit.y;
		}
		if (fruit.lastX === undefined) {
			fruit.lastX = fruit.x;
		}
		// Apply gravity
		fruit.vy += fruit.gravity;
		// Apply velocity
		fruit.x += fruit.vx;
		fruit.y += fruit.vy;
		// Apply rotation
		fruit.rotation += fruit.angularVelocity;
		// Apply friction
		fruit.vx *= fruit.friction;
		fruit.vy *= fruit.friction;
		// Apply angular friction
		fruit.angularVelocity *= fruit.angularFriction;
		// Force fruits to stop rotating when they're barely moving
		if (Math.abs(fruit.vx) < 0.1 && Math.abs(fruit.vy) < 0.1 && Math.abs(fruit.angularVelocity) < 0.03) {
			fruit.angularVelocity = 0;
		}
		// Apply stronger angular friction when moving slowly
		if (Math.abs(fruit.vx) < 0.8 && Math.abs(fruit.vy) < 0.8) {
			fruit.angularVelocity *= 0.9;
		}
		// Clamp angular velocity
		fruit.angularVelocity = Math.min(Math.max(fruit.angularVelocity, -fruit.maxAngularVelocity), fruit.maxAngularVelocity);
		// Wall collision - use actual fruit width for accurate collision
		var fruitHalfWidth = fruit.width / 2; // Use half width of the asset
		var fruitHalfHeight = fruit.height / 2; // Use half height of the asset
		// For non-circular fruits, adjust collision bounds based on asset orientation
		// Use the larger dimension to ensure no part of the fruit goes through walls
		var collisionRadius = Math.max(fruitHalfWidth, fruitHalfHeight);
		if (fruit.x < wallLeft.x + wallLeft.width / 2 + collisionRadius) {
			fruit.x = wallLeft.x + wallLeft.width / 2 + collisionRadius;
			fruit.vx = -fruit.vx * fruit.elasticity;
			// Smaller fruits get more angular velocity from impacts
			var angularImpactMultiplier = 0.005 * (1 + (0.9 - fruit.elasticity) * 5);
			fruit.angularVelocity += fruit.vy * angularImpactMultiplier * (fruit.vx / Math.abs(fruit.vx || 1)); // Apply angular velocity based on vertical velocity and direction of impact
			// Apply wall friction - stronger when in wall contact and proportional to fruit size
			var wallFriction = 0.65 + (fruit.elasticity - 0.7) * 0.5; // More elastic (smaller) fruits get less wall friction
			fruit.angularVelocity *= wallFriction;
			fruit.angularVelocity *= fruit.groundAngularFriction;
			if (Math.abs(fruit.vx) > 1) {
				// Bounce sound removed
			}
		} else if (fruit.x > wallRight.x - wallRight.width / 2 - collisionRadius) {
			fruit.x = wallRight.x - wallRight.width / 2 - collisionRadius;
			fruit.vx = -fruit.vx * fruit.elasticity;
			// Smaller fruits get more angular velocity from impacts
			var angularImpactMultiplier = 0.005 * (1 + (0.9 - fruit.elasticity) * 5);
			fruit.angularVelocity -= fruit.vy * angularImpactMultiplier * (fruit.vx / Math.abs(fruit.vx || 1)); // Apply angular velocity based on vertical velocity and direction of impact
			// Apply wall friction - stronger when in wall contact and proportional to fruit size
			var wallFriction = 0.65 + (fruit.elasticity - 0.7) * 0.5; // More elastic (smaller) fruits get less wall friction
			fruit.angularVelocity *= wallFriction;
			fruit.angularVelocity *= fruit.groundAngularFriction;
			if (Math.abs(fruit.vx) > 1) {
				// Bounce sound removed
			}
		}
		// Floor collision - use cached values for better performance
		// Calculate the effective height based on fruit's rotation
		var cosAngle = Math.abs(Math.cos(fruit.rotation));
		var sinAngle = Math.abs(Math.sin(fruit.rotation));
		var effectiveHeight = fruitHalfHeight * cosAngle + fruitHalfWidth * sinAngle;
		var floorCollisionY = gameFloor.y - gameFloor.height / 2 - effectiveHeight;
		// Use the values we already calculated above
		if (fruit.y > floorCollisionY) {
			fruit.y = gameFloor.y - gameFloor.height / 2 - effectiveHeight;
			fruit.vy = -fruit.vy * fruit.elasticity;
			if (Math.abs(fruit.vx) > 0.5) {
				// Smaller fruits get more angular velocity from impacts
				var angularImpactMultiplier = 0.01 * (1 + (0.9 - fruit.elasticity) * 5);
				fruit.angularVelocity += fruit.vx * angularImpactMultiplier * (fruit.vy / Math.abs(fruit.vy || 1)); // Apply angular velocity based on horizontal velocity and direction of impact
			}
			// Smaller fruits should spin longer after impact
			var angularDamping = fruit.elasticity > 0.85 ? 0.85 : fruit.groundAngularFriction;
			fruit.angularVelocity *= angularDamping;
			// Smaller fruits take more time to come to rest
			var restThreshold = 1 + (fruit.elasticity - 0.7) * 10;
			if (Math.abs(fruit.vy) < restThreshold) {
				fruit.vy = 0;
			}
			// Angular rest threshold should also scale with elasticity
			var angularRestThreshold = 0.03 * (1 - (fruit.elasticity - 0.7) * 2);
			if (Math.abs(fruit.angularVelocity) < angularRestThreshold) {
				fruit.angularVelocity = 0;
			}
			if (Math.abs(fruit.vy) > 1) {
				// Bounce sound removed
			}
		}
		// Update last positions
		fruit.lastX = fruit.x;
		fruit.lastY = fruit.y;
	}
	// Check for fruit collisions
	checkFruitCollisions();
	// Check game over conditions
	checkGameOver();
};
// Initialize the game
initGame();

===================================================================
--- original.js
+++ change.js
@@ -145,18 +145,13 @@
 			easing: tween.easeOut,
 			onFinish: function onFinish() {
 				// Play merge sound once for all fruit types
 				LK.getSound('merge').play();
-				// Check if either fruit was a charged fruit that was just released (released fruits should not count towards current chain reaction)
+				// Remove specific merge-based charging logic since all merges charge now
+				// Just marking if the last dropped fruit has merged, for other game mechanics that need it
 				var fromReleasedFruits = self.fromChargedRelease || otherFruit.fromChargedRelease;
 				if (!fromReleasedFruits && (self === lastDroppedFruit || otherFruit === lastDroppedFruit) && !lastDroppedHasMerged) {
-					chargeCounter++;
-					updateChargedBallDisplay();
 					lastDroppedHasMerged = true; // Mark that this fruit has had its first merge
-				} else if (!fromReleasedFruits && lastDroppedHasMerged) {
-					// Count chain reaction merges after player's initial merge
-					chargeCounter++;
-					updateChargedBallDisplay();
 				}
 				// Reset fromChargedRelease flag after this merge completes
 				// so these fruits can participate in future chain reactions with next player drop
 				// Special case for DURIAN - they simply disappear instead of merging
@@ -166,11 +161,13 @@
 					updateScoreDisplay();
 					// Remove both fruits
 					removeFruitFromGame(self);
 					removeFruitFromGame(otherFruit);
+					// Any merge charges fruits regardless of circumstance
+					chargeCounter++;
+					updateChargedBallDisplay();
 					// Check if we've reached 3 charged balls
 					if (chargeCounter >= 3 && !readyToReleaseCharged) {
-						// Changed condition from 5 to 3 and added readyToReleaseCharged check
 						releaseChargedBalls();
 					}
 				} else {
 					// Normal merge behavior for all other fruits
@@ -197,13 +194,9 @@
 					});
 					// Remove both original fruits
 					removeFruitFromGame(self);
 					removeFruitFromGame(otherFruit);
-					// Check if we've reached 3 charged balls
-					if (chargeCounter >= 3 && !readyToReleaseCharged) {
-						// Changed condition from 5 to 3 and added readyToReleaseCharged check
-						releaseChargedBalls();
-					}
+					// Removed charged balls check here since it's now handled at the beginning of merge function
 				}
 			}
 		});
 		// Helper function to remove a fruit from the game