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

/**** 
* Classes
****/ 
// Box class
var Box = Container.expand(function () {
	var self = Container.call(this);
	var boxGraphics = self.attachAsset('box', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.2,
		// Increase the scale to enlarge the bounding box
		scaleY: 1.2
	});
	self.speed = 5;
	self.lastIntersecting = false; // Track last intersection state with player
	self.update = function () {
		self.y += self.speed;
		// Check for player intersection transitions
		var currentIntersecting = self.intersects(player);
		if (!self.lastIntersecting && currentIntersecting) {
			// Flash the box briefly to indicate collection is possible
			tween(boxGraphics, {
				tint: 0xFFFF00,
				scaleX: 1.3,
				scaleY: 1.3
			}, {
				duration: 200,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(boxGraphics, {
						tint: 0xFFFFFF,
						scaleX: 1.2,
						scaleY: 1.2
					}, {
						duration: 200,
						easing: tween.easeIn
					});
				}
			});
		}
		self.lastIntersecting = currentIntersecting;
		if (self.y > 2732) {
			self.destroy();
		}
	};
});
// Box1 class
var Box1 = Container.expand(function () {
	var self = Container.call(this);
	var boxGraphics = self.attachAsset('box1', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.2,
		// Increase the scale to enlarge the bounding box
		scaleY: 1.2
	});
	self.speed = 5;
	self.lastIntersecting = false; // Track last intersection state with player
	self.update = function () {
		self.y += self.speed;
		// Check for player intersection transitions
		var currentIntersecting = self.intersects(player);
		if (!self.lastIntersecting && currentIntersecting) {
			// Flash the box briefly to indicate collection is possible
			tween(boxGraphics, {
				tint: 0xFF00FF,
				scaleX: 1.3,
				scaleY: 1.3
			}, {
				duration: 200,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(boxGraphics, {
						tint: 0xFFFFFF,
						scaleX: 1.2,
						scaleY: 1.2
					}, {
						duration: 200,
						easing: tween.easeIn
					});
				}
			});
		}
		self.lastIntersecting = currentIntersecting;
		if (self.y > 2732) {
			self.destroy();
		}
	};
});
// Box2 class
var Box2 = Container.expand(function () {
	var self = Container.call(this);
	var boxGraphics = self.attachAsset('box2', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.2,
		// Increase the scale to enlarge the bounding box
		scaleY: 1.2
	});
	self.speed = 7;
	self.lastIntersecting = false; // Track last intersection state with player
	self.update = function () {
		self.y += self.speed;
		// Check for player intersection transitions
		var currentIntersecting = self.intersects(player);
		if (!self.lastIntersecting && currentIntersecting) {
			// Flash the box briefly to indicate collection is possible
			tween(boxGraphics, {
				tint: 0x00FFFF,
				scaleX: 1.3,
				scaleY: 1.3
			}, {
				duration: 200,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(boxGraphics, {
						tint: 0xFFFFFF,
						scaleX: 1.2,
						scaleY: 1.2
					}, {
						duration: 200,
						easing: tween.easeIn
					});
				}
			});
		}
		self.lastIntersecting = currentIntersecting;
		if (self.y > 2732) {
			self.destroy();
		}
	};
});
// Box3 class
var Box3 = Container.expand(function () {
	var self = Container.call(this);
	var boxGraphics = self.attachAsset('box3', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.2,
		// Increase the scale to enlarge the bounding box
		scaleY: 1.2
	});
	self.speed = 9;
	self.lastIntersecting = false; // Track last intersection state with player
	self.update = function () {
		self.y += self.speed;
		// Check for player intersection transitions
		var currentIntersecting = self.intersects(player);
		if (!self.lastIntersecting && currentIntersecting) {
			// Flash the box briefly to indicate collection is possible with heart color
			tween(boxGraphics, {
				tint: 0xFF0000,
				scaleX: 1.3,
				scaleY: 1.3
			}, {
				duration: 200,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					tween(boxGraphics, {
						tint: 0xFFFFFF,
						scaleX: 1.2,
						scaleY: 1.2
					}, {
						duration: 200,
						easing: tween.easeIn
					});
				}
			});
		}
		self.lastIntersecting = currentIntersecting;
		if (self.y > 2732) {
			self.destroy();
		}
	};
});
// The assets will be automatically created and loaded by the LK engine.
// Bubble class
var Bubble = Container.expand(function () {
	var self = Container.call(this);
	var bubbleGraphics = self.attachAsset('bubble', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0 // Start transparent
	});
	// Make the bubble opaque after 1 second
	tween(bubbleGraphics, {
		alpha: 1
	}, {
		duration: 1000
	});
	self.speed = -10; // Negative speed to move upward
	self.lastY = undefined; // Track last position for intersection checks
	self.hasHitTop = false; // Flag to track if lantern has gone off screen at top
	self.update = function () {
		if (self.lastY === undefined) {
			self.lastY = self.y;
		}
		self.y += self.speed;
		if (self.y < 1200) {
			// Start tinting when approaching the top
			tween(self, {
				tint: 0xFF0000
			}, {
				duration: 500,
				easing: tween.linear
			});
		}
		// Check if the lantern is going off the top of the screen without being destroyed
		if (self.lastY >= 0 && self.y < 0 && !self.hasHitTop) {
			self.hasHitTop = true; // Mark as hit top to prevent multiple life deductions
			// Player didn't destroy the lantern in time
			lives -= 1;
			// Create explosion effect at the top where the lantern left
			var explosion = new Explosion();
			explosion.x = self.x;
			explosion.y = 10; // Just at the edge of the screen
			game.addChild(explosion);
			// Play explosion sound
			LK.getSound('explosion').play();
			// Remove a heart icon when a life is lost
			if (hearts.length > lives) {
				var heartToRemove = hearts.pop();
				if (heartToRemove) {
					tween(heartToRemove.scale, {
						x: 0,
						y: 0
					}, {
						duration: 1000,
						easing: tween.easeInOut,
						onFinish: function onFinish() {
							heartToRemove.destroy();
						}
					});
				}
			}
			if (lives < 0) {
				// Handle player death with dramatic effect
				handlePlayerDeath();
				return;
			}
			self.destroy();
		}
		// Handle going completely off screen
		// Note: Not removing the lantern when it intersects with player
		// as per the requirement that player collision shouldn't remove lives
		if (self.y < -200) {
			self.destroy();
		}
		self.lastY = self.y;
	};
});
// Explosion class with color customization
var Explosion = Container.expand(function () {
	var self = Container.call(this);
	var explosionGraphics = self.attachAsset('explosion', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Extend self with tint property accessor/mutator to allow tinting the explosion
	Object.defineProperty(self, 'tint', {
		get: function get() {
			return explosionGraphics.tint;
		},
		set: function set(value) {
			explosionGraphics.tint = value;
		}
	});
	// Apply explosion animation
	tween(explosionGraphics, {
		scaleX: explosionGraphics.scaleX + 1,
		scaleY: explosionGraphics.scaleY + 1
	}, {
		duration: 1000,
		easing: tween.bounceOut,
		onFinish: function onFinish() {
			self.destroy();
		}
	});
	self.update = function () {
		// The explosion will disappear after a while
		if (self.alpha > 0) {
			self.alpha -= 0.005;
		} else {
			self.destroy();
		}
	};
});
// Harpoon class
var Harpoon = Container.expand(function () {
	var self = Container.call(this);
	var harpoonGraphics = self.attachAsset('harpoon', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -30; // Reduced speed for slower movement
	self.originalSpeed = -30;
	self.maxDistance = 2732 * 0.85; // Increased maximum distance - 85% of screen height
	self.startY = 0; // Will store the starting Y position
	self.trails = [];
	// Apply a quick acceleration tween to give a nice launch effect
	tween(self, {
		speed: self.speed * 1.5 // Accelerate to 1.5x the slower speed
	}, {
		duration: 200,
		easing: tween.easeOut
	});
	self.update = function () {
		// Store initial position on first update
		if (self.startY === 0) {
			self.startY = self.y;
		}
		self.y += self.speed;
		// Calculate total trail distance
		var totalDistance = self.startY - self.y;
		// Create trail segments for every 100 pixels
		var segmentCount = Math.floor(totalDistance / 100);
		var currentTrailCount = self.trails.length;
		// Create new trail segments if needed
		if (segmentCount > currentTrailCount) {
			for (var i = currentTrailCount; i < segmentCount; i++) {
				var trail = game.addChild(new Trail());
				trail.x = self.x;
				trail.y = self.y + 50 + i * 100;
				trail.height = 100;
				self.trails.push(trail);
			}
		}
		// Update position of all trail segments
		for (var i = 0; i < self.trails.length; i++) {
			var trail = self.trails[i];
			trail.y = self.y + 50 + i * 100;
		}
		// Destroy when reaching max distance or going off-screen
		if (self.y < 0 || self.startY - self.y > self.maxDistance) {
			self.destroy();
			self.trails.forEach(function (trail) {
				trail.destroy();
			});
		}
	};
});
// Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		if (self.direction && self.direction === 'left') {
			self.x -= self.speed;
		} else if (self.direction === 'right') {
			self.x += self.speed;
		}
	};
	self.shoot = function () {
		var harpoon = new Harpoon();
		harpoon.x = player.x;
		harpoon.y = player.y;
		// Create a more dramatic scale effect for shooting with extended range
		harpoon.scale.x = 0.7;
		harpoon.scale.y = 1.3;
		// Flag normal harpoons (from player) to allow them to create boxes
		harpoon.isPlayerCreated = true;
		// Apply a tween to normalize the scale while launching, with longer stretch for better visual feedback
		tween(harpoon.scale, {
			x: 1,
			y: 1
		}, {
			duration: 250,
			easing: tween.easeOut
		});
		// Trails will be created automatically in the harpoon update method
		game.addChild(harpoon);
		LK.getSound('crossbow').play();
	};
});
// PlayerDeathEffect class - creates a dramatic death sequence with rainbow colors
var PlayerDeathEffect = Container.expand(function () {
	var self = Container.call(this);
	// Create the main container for all death effect elements
	var effectContainer = new Container();
	self.addChild(effectContainer);
	// Rainbow colors array (red, orange, yellow, green, blue, indigo, violet)
	var rainbowColors = [
	// Indigo
	0x9400D3,
	// Violet
	0xfaadad,
	// Red
	0xFF7F00,
	// Orange
	0xFFFF00,
	// Yellow
	0x00FF00,
	// Green
	0x0000FF,
	// Blue
	0x4B0082];
	// Add a full-screen overlay for dramatic effect
	var overlay = LK.getAsset('deadBg', {
		anchorX: 0,
		anchorY: 0,
		scaleX: 20.48,
		// Full width (2048px)
		scaleY: 27.32,
		// Full height (2732px)
		tint: rainbowColors[0],
		// Start with red
		alpha: 0
	});
	effectContainer.addChild(overlay);
	// Add dramatic text
	var gameOverText = new Text2('GAME OVER', {
		size: 150,
		fill: 0xFFFFFF,
		font: "'Comic Sans MS', cursive, sans-serif"
	});
	gameOverText.anchor.set(0.5, 0.5);
	gameOverText.x = 2048 / 2;
	gameOverText.y = 2732 / 2;
	gameOverText.alpha = 0;
	gameOverText.scale.set(0.1);
	effectContainer.addChild(gameOverText);
	// Function to create a rainbow tint sequence
	function createRainbowTintSequence(target, startIndex, duration) {
		var colorIndex = startIndex % rainbowColors.length;
		var nextColorIndex = (colorIndex + 1) % rainbowColors.length;
		tween(target, {
			tint: rainbowColors[nextColorIndex]
		}, {
			duration: duration,
			easing: tween.linear,
			onFinish: function onFinish() {
				createRainbowTintSequence(target, nextColorIndex, duration);
			}
		});
	}
	// Add rainbow flickering effect
	self.startEffect = function () {
		// Pulse the overlay with rainbow colors
		tween(overlay, {
			alpha: 0.5
		}, {
			duration: 400,
			easing: tween.easeIn,
			onFinish: function onFinish() {
				// Start the rainbow color sequence
				createRainbowTintSequence(overlay, 0, 300);
			}
		});
		// Show and scale the text
		tween(gameOverText, {
			alpha: 1,
			scaleX: 1.5,
			scaleY: 1.5
		}, {
			duration: 1000,
			easing: tween.elasticOut
		});
		// Create explosion effects at random positions with rainbow colors
		for (var i = 0; i < 5; i++) {
			LK.setTimeout(function (colorIndex) {
				var explosion = new Explosion();
				explosion.x = Math.random() * 2048;
				explosion.y = Math.random() * 2732;
				// Give each explosion a different color from the rainbow
				explosion.tint = rainbowColors[colorIndex % rainbowColors.length];
				effectContainer.addChild(explosion);
				// Play explosion sound
				LK.getSound('explosion').play();
			}.bind(null, i), 300 * i);
		}
		// Show actual game over screen after the effect
		LK.setTimeout(function () {
			self.destroy();
			LK.showGameOver();
		}, 2500); // Show game over after 2.5 seconds
	};
	return self;
});
// PowerUpText class
var PowerUpText = Container.expand(function () {
	var self = Container.call(this);
	var textGraphics = self.attachAsset('PowerUpText', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		self.y -= 2;
		if (self.y < 0) {
			self.destroy();
		}
	};
});
// Trail class
var Trail = Container.expand(function () {
	var self = Container.call(this);
	var trailGraphics = self.attachAsset('line', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 18,
		alpha: 0.9,
		// Slightly transparent to enhance visual effect with faster movement
		scaleY: 1.5 // Scale the trail to support longer reach
	});
	// The trail doesn't need its own update movement since it's positioned relative to the harpoon
	self.update = function () {
		// Trail no longer moves independently
		// Its position is now fully controlled by the Harpoon
		if (self.y > 2732) {
			self.destroy();
		}
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0xFFFFFFFF // Init game with black background
});

/**** 
* Game Code
****/ 
var background = game.attachAsset('Landscape', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: 0
});
game.setChildIndex(background, 0);
// Add a warning zone at the top to indicate the danger area
var warningZone = new Container();
var warningGraphics = LK.getAsset('scoreBg', {
	anchorX: 0,
	anchorY: 0,
	scaleX: 20.48,
	// Make it span the entire width (2048px)
	scaleY: 1.5,
	tint: 0xFF3333,
	// Red tint to indicate danger
	alpha: 0.3 // Semi-transparent
});
warningZone.addChild(warningGraphics);
warningZone.x = 0;
warningZone.y = 0;
game.addChild(warningZone);
var player = new Player();
player.x = 2048 / 2;
player.y = 2732 - 180;
game.addChild(player); // Add player after trail to ensure correct rendering order
// Add a description text for the warning zone
var warningText = new Text2('Lanterns escaping at the top will cost a life!', {
	size: 30,
	fill: 0xFFFFFF,
	font: "'Comic Sans MS', cursive, sans-serif"
});
warningText.anchor.set(0.5, 0);
warningText.x = 2048 / 2;
warningText.y = 130;
game.addChild(warningText);
// Make the warning text pulse to draw attention
var _pulseWarning = function pulseWarning() {
	tween(warningText.scale, {
		x: 1.2,
		y: 1.2
	}, {
		duration: 800,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			tween(warningText.scale, {
				x: 1.0,
				y: 1.0
			}, {
				duration: 800,
				easing: tween.easeInOut,
				onFinish: _pulseWarning
			});
		}
	});
};
_pulseWarning();
game.move = function (x, y, obj) {
	// Store previous x for direction detection
	if (player.lastX === undefined) {
		player.lastX = player.x;
	}
	player.x = x;
	// Check if moving left or right
	if (player.x < player.lastX) {
		// Moving left, mirror
		if (player.scaleX > 0) {
			player.scaleX *= -1;
		}
	} else if (player.x > player.lastX) {
		// Moving right, un-mirror
		if (player.scaleX < 0) {
			player.scaleX *= -1;
		}
	}
	player.lastX = player.x;
};
var score = 0;
var lives = 3;
var scoreBackground = new Container();
var scoreBgGraphics = scoreBackground.attachAsset('scoreBg', {
	anchorX: 0.5,
	anchorY: 0.1,
	scaleX: 5,
	scaleY: 5,
	alpha: 1
});
scoreBackground.addChild(scoreBgGraphics);
scoreBackground.x = 0;
scoreBackground.y = 0;
LK.gui.top.addChild(scoreBackground);
var scoreTxt = new Text2('Lanterns destroyed: 0', {
	size: 30,
	fill: 0xFF3659,
	font: "'Comic Sans MS', cursive, sans-serif"
});
scoreTxt.anchor.set(0.5, -0.1);
scoreBackground.addChild(scoreTxt);
var hearts = [];
for (var i = 0; i < lives; i++) {
	var heart = LK.getAsset('heart', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: -1 * (i + 1) * 50,
		// Position hearts with some spacing
		y: 50
	});
	LK.gui.topRight.addChild(heart);
	hearts.push(heart);
}
// Function to apply box effects based on box type
function applyBoxEffect(box) {
	// Check if the collected box is an instance of Box1
	if (box instanceof Box1) {
		// If we already have box1 harpoons, destroy them first
		var existingHarpoons = game.children.filter(function (child) {
			return child instanceof Harpoon && child.isFromBox1 === true;
		});
		existingHarpoons.forEach(function (harpoon) {
			if (harpoon.trails) {
				harpoon.trails.forEach(function (trail) {
					trail.destroy();
				});
			}
			harpoon.destroy();
		});
		// Create six additional harpoons and trails
		for (var i = 1; i <= 3; i++) {
			var leftHarpoon = new Harpoon();
			leftHarpoon.x = player.x - i * 150;
			leftHarpoon.y = player.y;
			// Mark harpoons created by box power-up
			leftHarpoon.isPlayerCreated = false;
			leftHarpoon.isFromBox1 = true; // Mark specifically as from Box1 power-up
			game.addChild(leftHarpoon);
			var rightHarpoon = new Harpoon();
			rightHarpoon.x = player.x + i * 150;
			rightHarpoon.y = player.y;
			// Mark harpoons created by box power-up
			rightHarpoon.isPlayerCreated = false;
			rightHarpoon.isFromBox1 = true; // Mark specifically as from Box1 power-up
			game.addChild(rightHarpoon);
			// Set a timeout to remove the additional harpoons after 5 seconds
			LK.setTimeout(function (lh, rh) {
				if (lh.trails) {
					lh.trails.forEach(function (trail) {
						trail.destroy();
					});
				}
				lh.destroy();
				if (rh.trails) {
					rh.trails.forEach(function (trail) {
						trail.destroy();
					});
				}
				rh.destroy();
			}.bind(null, leftHarpoon, rightHarpoon), 5000);
		}
	}
	// Check if the collected box is an instance of Box and reduce bubble speed
	if (box instanceof Box) {
		var bubbles = game.children.filter(function (child) {
			return child instanceof Bubble;
		});
		bubbles.forEach(function (bubble) {
			bubble.speed /= 2;
		});
		LK.setTimeout(function () {
			bubbles.forEach(function (bubble) {
				bubble.speed *= 2;
			});
		}, 5000);
	}
	// Check if the collected box is an instance of Box3 and lives are less than 3
	if (box instanceof Box3 && lives < 3) {
		lives += 1;
		var heart = LK.getAsset('heart', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: -1 * lives * 50,
			y: 50
		});
		LK.gui.topRight.addChild(heart);
		hearts.push(heart);
	}
	// Check if the collected box is an instance of Box2
	if (box instanceof Box2) {
		var bubbles = game.children.filter(function (child) {
			return child instanceof Bubble;
		});
		var bubblesDestroyed = bubbles.length;
		bubbles.forEach(function (bubble) {
			bubble.destroy();
		});
		score += bubblesDestroyed;
		scoreTxt.setText("Lanterns destroyed: " + score.toString());
		tween(scoreTxt.scale, {
			x: 2,
			y: 2
		}, {
			duration: 500,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				tween(scoreTxt.scale, {
					x: 1,
					y: 1
				}, {
					duration: 500,
					easing: tween.easeInOut
				});
			}
		});
	}
	// Create toast message based on box type
	showToastForBox(box);
}
// Function to show toast message for box effects
function showToastForBox(box) {
	var toastText = new Text2('', {
		size: 250,
		fill: 0xFFC0CB,
		font: "'Comic Sans MS', cursive, sans-serif"
	});
	var toastTextBg = new Text2('', {
		size: 255,
		fill: 0xFF00AA,
		font: "'Comic Sans MS', cursive, sans-serif"
	});
	toastText.anchor.set(0.5, 0.5);
	toastText.x = 2048 / 2;
	toastText.y = 2732 / 2;
	toastTextBg.anchor.set(0.5, 0.5);
	toastTextBg.x = 2048 / 2;
	toastTextBg.y = 2732 / 2;
	game.addChild(toastText);
	game.addChild(toastTextBg);
	if (box instanceof Box1) {
		toastText.setText("Smash!");
		toastTextBg.setText("Smash!");
	} else if (box instanceof Box2) {
		toastText.setText("Destruction!");
		toastTextBg.setText("Destruction!");
	} else if (box instanceof Box) {
		toastText.setText("Less madness!");
		toastTextBg.setText("Less madness!");
	} else if (box instanceof Box3) {
		toastText.setText("Life up!");
		toastTextBg.setText("Life up!");
	}
	// Tween the toast text to fade out and destroy after 2 seconds
	tween(toastText, {
		alpha: 0
	}, {
		duration: 500,
		onFinish: function onFinish() {
			toastText.destroy();
		}
	});
	tween(toastTextBg, {
		alpha: 0
	}, {
		duration: 500,
		onFinish: function onFinish() {
			toastTextBg.destroy();
		}
	});
}
// Function to handle player death sequence with rainbow colors
function handlePlayerDeath() {
	// Rainbow colors array
	var rainbowColors = [0xFF0000,
	// Red
	0xFF7F00,
	// Orange
	0xFFFF00,
	// Yellow
	0x00FF00,
	// Green
	0x0000FF,
	// Blue
	0x4B0082,
	// Indigo
	0x9400D3 // Violet
	];
	// Create dramatic death effect
	var deathEffect = new PlayerDeathEffect();
	game.addChild(deathEffect);
	deathEffect.startEffect();
	// Mark game as over to stop spawning bubbles
	game.isGameOver = true;
	// Create a function for sequential rainbow color animation
	function playerRainbowSequence(colorIndex) {
		if (colorIndex >= rainbowColors.length) {
			// One full cycle completed, start fading out
			tween(player, {
				alpha: 0,
				tint: 0xFFFFFF
			}, {
				duration: 500,
				easing: tween.easeOut
			});
			return;
		}
		tween(player, {
			alpha: 0.3,
			tint: rainbowColors[colorIndex]
		}, {
			duration: 200,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				playerRainbowSequence(colorIndex + 1);
			}
		});
	}
	// Start the rainbow sequence
	playerRainbowSequence(0);
}
var lastShot = -999;
game.down = function (x, y, obj) {
	if (LK.ticks - lastShot > 10) {
		player.shoot();
		lastShot = LK.ticks;
	}
};
// Start the music 'chinese' upon starting the game
LK.playMusic('chinese');
game.update = function () {
	// Initialize game.isGameOver if it doesn't exist
	if (game.isGameOver === undefined) {
		game.isGameOver = false;
	}
	// Only spawn new bubbles if game isn't over
	if (!game.isGameOver && LK.ticks % 50 == 0) {
		var newBubble = new Bubble();
		newBubble.x = Math.random() * 2048;
		newBubble.y = 2732 * 0.75; // Start at 25% from bottom of screen
		game.addChild(newBubble);
		var randomTween = {
			delta: Math.random() * (300 - 100) + 100,
			// Random delta between 100 and 300
			duration: Math.random() * (1500 - 800) + 800,
			// Random duration between 800 and 1500
			easing: [tween.easeIn, tween.easeOut, tween.elasticIn, tween.elasticOut, tween.bounceIn, tween.bounceOut, tween.easeInOut, tween.bounceInOut, tween.elasticInOut][Math.floor(Math.random() * 9)] // Random easing
		};
		tween(newBubble, {
			x: Math.max(0, Math.min(2048, newBubble.x + randomTween.delta))
		}, {
			duration: randomTween.duration,
			easing: randomTween.easing,
			onFinish: function onFinish() {
				tween(newBubble, {
					x: Math.max(0, Math.min(2048, newBubble.x - randomTween.delta))
				}, {
					duration: randomTween.duration,
					easing: randomTween.easing
				});
			}
		});
	}
	var bubbles = game.children.filter(function (child) {
		return child instanceof Bubble;
	});
	var harpoons = game.children.filter(function (child) {
		return child instanceof Harpoon;
	});
	for (var i = 0; i < bubbles.length; i++) {
		var bubble = bubbles[i];
		// Check for player intersection but don't damage the player
		// We allow lanterns to pass through the player harmlessly
		if (bubble.intersects(player)) {
			// Don't destroy the bubble or harm the player
			// This allows the bubble to continue moving up
			// It will only damage the player if it exits off the top without being destroyed
		}
		for (var j = 0; j < harpoons.length; j++) {
			var harpoon = harpoons[j];
			// Enhanced collision detection for longer harpoon reach and multiple trail segments
			var collides = bubble.intersects(harpoon);
			if (!collides && harpoon.trails && harpoon.trails.length > 0) {
				for (var t = 0; t < harpoon.trails.length; t++) {
					var trail = harpoon.trails[t];
					if (Math.abs(bubble.x - harpoon.x) < 50 && Math.abs(bubble.y - trail.y) < 50) {
						collides = true;
						break;
					}
				}
			}
			if (collides) {
				bubble.destroy();
				LK.getSound('explosion').play();
				if (harpoon.trails) {
					harpoon.trails.forEach(function (trail) {
						trail.destroy();
					});
				}
				harpoon.destroy();
				bubbles.splice(i, 1); // Remove bubble from the array
				score += 1;
				scoreTxt.setText("Lanterns destroyed: " + score.toString());
				tween(scoreTxt.scale, {
					x: 2,
					y: 2
				}, {
					duration: 500,
					easing: tween.easeInOut,
					onFinish: function onFinish() {
						tween(scoreTxt.scale, {
							x: 1,
							y: 1
						}, {
							duration: 500,
							easing: tween.easeInOut
						});
					}
				});
				harpoons.splice(j, 1); // Remove harpoon from the array
				// Create an explosion at the intersection point
				var explosion = new Explosion();
				explosion.x = bubble.x;
				explosion.y = bubble.y;
				game.addChild(explosion);
				// Create a box at the intersection point with a 5% probability (half the previous 10%)
				// Only spawn boxes when balloons are popped by player harpoons, not by explosion effects
				if (!game.children.some(function (child) {
					return child instanceof Box || child instanceof Box1 || child instanceof Box2 || child instanceof Box3;
				})) {
					// Only create boxes when bubble is popped by a player-created harpoon, not by power-up harpoons
					// Check explicitly that the harpoon was created by the player, not by any box power-up
					if (Math.random() < 0.5 && harpoon instanceof Harpoon && harpoon.isPlayerCreated === true) {
						var boxType = Math.floor(Math.random() * 4);
						var box;
						switch (boxType) {
							case 0:
								box = new Box();
								break;
							case 1:
								box = new Box1();
								break;
							case 2:
								box = new Box2();
								break;
							case 3:
								box = new Box3();
								break;
						}
						box.x = bubble.x;
						box.y = bubble.y;
						game.addChild(box);
					}
				}
			}
		}
		var boxes = game.children.filter(function (child) {
			return child instanceof Box || child instanceof Box1 || child instanceof Box2 || child instanceof Box3;
		});
		for (var k = 0; k < boxes.length; k++) {
			var box = boxes[k];
			// Check if player collects/intersects the box
			if (box.intersects(player)) {
				// Create collection animation
				tween(box.scale, {
					x: 0,
					y: 0
				}, {
					duration: 300,
					easing: tween.easeInOut,
					onFinish: function (boxToDestroy) {
						boxToDestroy.destroy();
					}.bind(null, box)
				});
				// Play pickup sound
				LK.getSound('powerup').play();
				// Apply the power-up effect based on box type using centralized handler
				applyBoxEffect(box);
				// Remove box from tracking array
				boxes.splice(k, 1);
				// Break out of the loop since we've handled the box
				break;
			}
			// Check for harpoon intersecting with boxes
			for (var l = 0; l < harpoons.length; l++) {
				var harpoon = harpoons[l];
				var collides = box.intersects(harpoon);
				// Check trail segments for collision as well
				if (!collides && harpoon.trails && harpoon.trails.length > 0) {
					for (var t = 0; t < harpoon.trails.length; t++) {
						var trail = harpoon.trails[t];
						if (trail && Math.abs(box.x - harpoon.x) < 50 && Math.abs(box.y - trail.y) < 50) {
							collides = true;
							break;
						}
					}
				}
				if (collides) {
					// Store reference to box before destroying it
					var boxToApplyEffect = box;
					// Destroy elements
					box.destroy();
					LK.getSound('powerup').play();
					// Safely destroy trails for harpoons created before we started using multiple trails
					if (harpoon.trail) {
						harpoon.trail.destroy();
					}
					// Safely destroy trail segments for current harpoons
					if (harpoon.trails && harpoon.trails.length > 0) {
						harpoon.trails.forEach(function (trail) {
							if (trail) {
								trail.destroy();
							}
						});
					}
					harpoon.destroy();
					// Apply the power-up effect based on box type using centralized handler
					applyBoxEffect(boxToApplyEffect);
					// Remove from arrays
					boxes.splice(k, 1);
					harpoons.splice(l, 1);
					break;
				}
			}
		}
	}
};