/**** 
* 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.update = function () {
		self.y += self.speed;
		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.update = function () {
		self.y += self.speed;
		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.update = function () {
		self.y += self.speed;
		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.update = function () {
		self.y += self.speed;
		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: 1 // Start fully visible instead of transparent
	});
	// Allow for different bubble sizes (original size = 1.0)
	self.size = 1.0;
	// Update bubble size based on the size property
	bubbleGraphics.scale.set(self.size);
	// Physics constants for more consistent behavior
	self.gravity = 0.2; // Gravity constant
	self.bounceFactor = 0.7; // Energy loss on bounce (30% loss)
	self.friction = 0.98; // Air/ground friction
	self.speed = 3; // Vertical speed (significantly reduced initial speed)
	// Track last position for collision detection
	self.lastY = 0;
	self.lastIntersecting = false;
	// Method to split the bubble into two smaller ones
	self.split = function () {
		// Only split if bubble is not too small
		if (self.size <= 0.3) {
			return false;
		}
		// Create two new smaller bubbles
		var halfSize = self.size * 0.5;
		// Create left bubble
		var leftBubble = new Bubble();
		leftBubble.x = self.x;
		leftBubble.y = self.y;
		leftBubble.size = halfSize;
		leftBubble.speedX = -Math.abs(self.speedX) * 1.2; // Move left, slightly faster
		leftBubble.speed = -5 - Math.random() * 3; // Jump up
		leftBubble.lastY = leftBubble.y;
		leftBubble.lastIntersecting = false;
		if (leftBubble.children && leftBubble.children.length > 0) {
			leftBubble.children[0].scale.set(halfSize);
		}
		// Create right bubble
		var rightBubble = new Bubble();
		rightBubble.x = self.x;
		rightBubble.y = self.y;
		rightBubble.size = halfSize;
		rightBubble.speedX = Math.abs(self.speedX) * 1.2; // Move right, slightly faster
		rightBubble.speed = -5 - Math.random() * 3; // Jump up
		rightBubble.lastY = rightBubble.y;
		rightBubble.lastIntersecting = false;
		if (rightBubble.children && rightBubble.children.length > 0) {
			rightBubble.children[0].scale.set(halfSize);
		}
		// Add both bubbles to the game
		game.addChild(leftBubble);
		game.addChild(rightBubble);
		return true;
	};
	self.update = function () {
		// Track last position before moving
		self.lastY = self.y;
		self.lastIntersecting = self.intersects(player);
		self.speed += 0.2; // Further reduced gravity acceleration from 0.3 to 0.2
		self.y += self.speed;
		self.x += self.speedX; // Update horizontal position based on speedX
		// Bounce off the left and right margins with a small boost to ensure movement
		if (self.x <= 100 && self.speedX < 0 || self.x >= 1948 && self.speedX > 0) {
			self.speedX *= -1.1; // Reverse horizontal direction with a slight boost to ensure movement
		}
		// Bounce off the ground (bottom of the screen)
		if (self.y >= 2732 - 100) {
			// Account for bubble size/radius
			self.y = 2732 - 100; // Reset position to prevent sinking below ground
			self.speed = -self.speed * 0.7; // Reverse vertical direction with dampening (70% of original speed)
			// Add a small random horizontal impulse on bounce for more natural movement
			self.speedX += (Math.random() - 0.5) * 2;
		}
		// Removed tint application when reaching a certain Y position
		// Only destroy bubble when hit by player
		if (!self.lastIntersecting && self.intersects(player)) {
			// Make the player blink three times with red tint when hit by a bubble
			if (player.children && player.children.length > 0) {
				var playerGraphics = player.children[0];
				// Save original tint
				var originalTint = playerGraphics.tint || 0xFFFFFF;
				// Tint to red
				playerGraphics.tint = 0xFF0000;
				// First blink (1/3)
				tween(playerGraphics, {
					alpha: 0
				}, {
					duration: 100,
					onFinish: function onFinish() {
						tween(playerGraphics, {
							alpha: 1
						}, {
							duration: 100,
							onFinish: function onFinish() {
								// Second blink (2/3)
								tween(playerGraphics, {
									alpha: 0
								}, {
									duration: 100,
									onFinish: function onFinish() {
										tween(playerGraphics, {
											alpha: 1
										}, {
											duration: 100,
											onFinish: function onFinish() {
												// Third blink (3/3)
												tween(playerGraphics, {
													alpha: 0
												}, {
													duration: 100,
													onFinish: function onFinish() {
														tween(playerGraphics, {
															alpha: 1
														}, {
															duration: 100,
															onFinish: function onFinish() {
																// Reset tint to original color
																playerGraphics.tint = originalTint;
															}
														});
													}
												});
											}
										});
									}
								});
							}
						});
					}
				});
			}
			self.destroy();
			lives -= 1;
			// 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) {
				LK.showGameOver();
			}
		}
	};
});
// Explosion class
var Explosion = Container.expand(function () {
	var self = Container.call(this);
	var explosionGraphics = self.attachAsset('explosion', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	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 -= 0.02;
		} 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 = -20;
	self.trail = game.addChild(new Trail());
	// Function to check if point is on line (trail)
	self.isPointOnLine = function (point, bubbleSize) {
		// The trail is a vertical line from the harpoon down to the player
		// Check if point is close enough to the line segment
		// Get bubble size factor (if not provided, default to 1)
		var sizeFactor = bubbleSize || 1.0;
		// Adjust tolerance based on bubble size - smaller bubbles need more generous tolerance
		// For very small bubbles (size <= 0.3), use larger tolerance
		var baseWidth = 50; // Base tolerance for normal bubbles
		var tolerance = baseWidth;
		if (sizeFactor <= 0.3) {
			tolerance = 100; // Larger tolerance for tiny bubbles
		} else if (sizeFactor < 1.0) {
			// Scale tolerance inversely with bubble size
			tolerance = baseWidth * (2 - sizeFactor);
		}
		// Vertical line check (point.x near self.x and point.y between self.y and trail bottom)
		return Math.abs(point.x - self.x) < tolerance && point.y >= self.y && point.y <= 2732;
	};
	self.update = function () {
		self.y += self.speed;
		self.trail.height = 2732 - self.y;
		self.trail.y = self.y + self.trail.height / 2;
		if (self.y < 0 || self.y < 2732 * (1 / 3)) {
			self.destroy();
			self.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 - 200;
		harpoon.trail.x = player.x;
		harpoon.trail.y = player.y - 200;
		game.addChild(harpoon);
		LK.getSound('crossbow').play();
	};
});
// 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
	});
	self.update = function () {
		self.y += 10;
		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);
var player = new Player();
player.x = 2048 / 2;
player.y = 2732 - 180;
game.addChild(player); // Add player after trail to ensure correct rendering order
game.move = function (x, y, obj) {
	player.x = x;
	if (x < 2048 / 2 && player.scaleX > 0 || x >= 2048 / 2 && player.scaleX < 0) {
		player.scaleX *= -1; // Mirror the player image
	}
};
var score = 0;
var lives = 3;
var lastDifficultyLevel = 0; // Track the last level for showing difficulty announcements
// Create score background
var scoreBackground = new Container();
var scoreBgGraphics = scoreBackground.attachAsset('scoreBg', {
	anchorX: 0.5,
	anchorY: 0.1,
	scaleX: 5,
	scaleY: 5,
	alpha: 1
});
// Create difficulty indicator
var difficultyIndicator = new Text2('Difficulty: Easy', {
	size: 24,
	fill: 0x00FF00,
	font: "'Comic Sans MS', cursive, sans-serif"
});
difficultyIndicator.anchor.set(0, 0.5);
difficultyIndicator.x = 20;
difficultyIndicator.y = 50;
LK.gui.topLeft.addChild(difficultyIndicator);
// Function to update difficulty indicator based on score
function updateDifficultyIndicator() {
	var level = Math.floor(score / 10);
	var difficultyText = 'Difficulty: ';
	var textColor = 0x00FF00;
	if (level === 0) {
		difficultyText += 'Very Easy';
		textColor = 0x00FF00;
	} else if (level === 1) {
		difficultyText += 'Easy';
		textColor = 0x66FF00;
	} else if (level === 2) {
		difficultyText += 'Medium';
		textColor = 0xFFFF00;
	} else if (level === 3) {
		difficultyText += 'Challenging';
		textColor = 0xFF9900;
	} else if (level === 4) {
		difficultyText += 'Hard';
		textColor = 0xFF6600;
	} else {
		difficultyText += 'Expert';
		textColor = 0xFF0000;
	}
	difficultyIndicator.setText(difficultyText);
	difficultyIndicator.style.fill = textColor;
}
scoreBackground.addChild(scoreBgGraphics);
scoreBackground.x = 0;
scoreBackground.y = 0;
LK.gui.top.addChild(scoreBackground);
// Create score text
var scoreTxt = new Text2('Balloons popped: 0', {
	size: 30,
	fill: 0xFF3659,
	font: "'Comic Sans MS', cursive, sans-serif"
});
scoreTxt.anchor.set(0.5, -0.1);
scoreBackground.addChild(scoreTxt);
// Function to show difficulty level change announcement
function showDifficultyAnnouncement(level) {
	var difficultyText = '';
	var textColor = 0xFFFFFF;
	switch (level) {
		case 1:
			difficultyText = "Warming Up!";
			textColor = 0x00FF00;
			break;
		case 2:
			difficultyText = "Getting Started!";
			textColor = 0xFFFF00;
			break;
		case 3:
			difficultyText = "Picking Up Pace!";
			textColor = 0xFF9900;
			break;
		case 4:
			difficultyText = "More Bubbles!";
			textColor = 0xFF6600;
			break;
		case 5:
			difficultyText = "Getting Challenging!";
			textColor = 0xFF3300;
			break;
		default:
			if (level > 5) {
				difficultyText = "Level " + (level - 5) + "!";
				textColor = 0xFF0000;
			}
	}
	if (difficultyText) {
		// Create text for announcement
		var announcement = new Text2(difficultyText, {
			size: 100,
			fill: textColor,
			font: "'Comic Sans MS', cursive, sans-serif"
		});
		announcement.anchor.set(0.5, 0.5);
		announcement.x = 2048 / 2;
		announcement.y = 2732 / 2;
		announcement.alpha = 0;
		game.addChild(announcement);
		// Fade in
		tween(announcement, {
			alpha: 1
		}, {
			duration: 500,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				// Hold for a moment
				LK.setTimeout(function () {
					// Fade out
					tween(announcement, {
						alpha: 0
					}, {
						duration: 500,
						easing: tween.easeIn,
						onFinish: function onFinish() {
							announcement.destroy();
						}
					});
				}, 1500);
			}
		});
		// Play a sound for level up
		LK.getSound('powerup').play();
	}
}
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);
}
var lastShot = -999;
game.down = function (x, y, obj) {
	if (LK.ticks - lastShot > 30) {
		player.shoot();
		lastShot = LK.ticks;
	}
};
// Start the music 'chinese' upon starting the game
LK.playMusic('arcade');
game.update = function () {
	// Create boxes array before using it
	var boxes = game.children.filter(function (child) {
		return child instanceof Box || child instanceof Box1 || child instanceof Box2 || child instanceof Box3;
	});
	// Dynamic bubble spawn rate based on score
	// Base spawn interval is much slower at start (300 ticks) and only gradually decreases based on score
	// This makes the start of the game much easier
	var baseInterval = 300; // Start with very slow spawn rate (5 seconds between bubbles)
	var minInterval = 60; // Minimum spawn interval is now higher (1 second)
	var reductionPerPoint = 2; // Slower progression - only reduce by 2 ticks per point
	var intervalReductionThreshold = 10; // Only start making game harder after scoring 10 points
	// Calculate spawn interval with much gentler progression
	var scoreBasedReduction = Math.max(0, score - intervalReductionThreshold) * reductionPerPoint;
	var spawnInterval = Math.max(minInterval, baseInterval - scoreBasedReduction);
	// Only spawn a bubble if current tick matches spawn interval
	if (LK.ticks % spawnInterval === 0) {
		var newBubble = new Bubble();
		newBubble.x = Math.random() * 2048;
		newBubble.y = 0;
		// Reduced horizontal speed for more predictable trajectories
		var minSpeed = 3; // Reduced from 5
		var maxSpeed = 6; // Reduced from 8
		var randomSpeed = minSpeed + Math.random() * (maxSpeed - minSpeed);
		newBubble.speedX = Math.random() < 0.5 ? -randomSpeed : randomSpeed;
		// Give bubbles a smaller initial vertical speed for gentler physics
		newBubble.speed = 1 + Math.random() * 2; // Reduced from 2 + random * 2
		// Set bounce count to track how many times the bubble has bounced
		newBubble.bounceCount = 0;
		newBubble.maxBounces = 3 + Math.floor(Math.random() * 3);
		// Initialize tracking properties for the bubble
		newBubble.lastY = newBubble.y;
		newBubble.lastIntersecting = false;
		game.addChild(newBubble);
		// Log difficulty progression for debugging
		if (score > 0 && score % 10 === 0 && LK.ticks % spawnInterval === 0) {
			console.log("Score: " + score + ", New spawn interval: " + spawnInterval + " ms (" + (spawnInterval / 60).toFixed(1) + " seconds between bubbles)");
		}
	}
	// Make sure to initialize all arrays at the beginning
	var bubbles = game.children.filter(function (child) {
		return child instanceof Bubble;
	});
	// boxes array is now initialized at the beginning of update function
	// to prevent 'Cannot read properties of undefined' error
	var harpoons = game.children.filter(function (child) {
		return child instanceof Harpoon;
	});
	for (var i = 0; i < bubbles.length; i++) {
		var bubble = bubbles[i];
		// Collision handling is now done in the Bubble class update method
		for (var j = 0; j < harpoons.length; j++) {
			var harpoon = harpoons[j];
			// Check if bubble collides with harpoon OR with harpoon's trail
			var hitsHarpoon = bubble.intersects(harpoon);
			var hitsTrail = harpoon.isPointOnLine({
				x: bubble.x,
				y: bubble.y
			}, bubble.size);
			if (hitsHarpoon || hitsTrail) {
				// Log small bubble collisions for debugging
				if (bubble.size <= 0.3 && hitsTrail) {
					console.log("Small bubble hit by trail: size=" + bubble.size + ", x=" + bubble.x + ", harpoon.x=" + harpoon.x);
				}
				// Store current position and data for explosion
				var bubbleX = bubble.x;
				var bubbleY = bubble.y;
				var bubbleSize = bubble.size || 1.0;
				var bubbleSpeedX = bubble.speedX;
				// Try to split the bubble
				var wasSplit = false;
				if (bubbleSize > 0.3) {
					// Call split method to create two smaller bubbles
					wasSplit = bubble.split();
					var boxes = game.children.filter(function (child) {
						return child instanceof Box || child instanceof Box1 || child instanceof Box2 || child instanceof Box3;
					});
					// Remove the original bubble
					bubble.destroy();
					// Play explosion sound
					LK.getSound('explosion').play();
					// Remove the harpoon
					harpoon.trail.destroy(); // Destroy the harpoon trail
					harpoon.destroy();
					bubbles.splice(i, 1); // Remove bubble from the array
					// Update score and UI
					score += 1;
					scoreTxt.setText("Balloons popped: " + score.toString());
					// Check if we've reached a new difficulty level (every 10 points)
					var currentDifficultyLevel = Math.floor(score / 10);
					if (currentDifficultyLevel > lastDifficultyLevel) {
						lastDifficultyLevel = currentDifficultyLevel;
						// Show difficulty level announcement
						showDifficultyAnnouncement(currentDifficultyLevel);
						// Update the difficulty indicator
						updateDifficultyIndicator();
					}
					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 = bubbleX;
					explosion.y = bubbleY;
					game.addChild(explosion);
					// Create a box at the intersection point with a 10% probability, but only if bubble wasn't split
					// and if there are no other boxes in the game
					if (!wasSplit && !game.children.some(function (child) {
						return child instanceof Box || child instanceof Box1 || child instanceof Box2 || child instanceof Box3;
					})) {
						if (Math.random() < 1) {
							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 = bubbleX;
							box.y = bubbleY;
							game.addChild(box);
						}
					}
					break; // Break out of the loop since we're deleting the bubble
				}
			}
		}
		for (var k = 0; k < boxes.length; k++) {
			var box = boxes[k];
			for (var l = 0; l < harpoons.length; l++) {
				var harpoon = harpoons[l];
				// Check if box collides with harpoon OR with harpoon's trail
				var hitsHarpoon = box.intersects(harpoon);
				var hitsTrail = harpoon.isPointOnLine({
					x: box.x,
					y: box.y
				}, 1.0);
				if (hitsHarpoon || hitsTrail) {
					box.destroy();
					LK.getSound('powerup').play();
					harpoon.trail.destroy();
					harpoon.destroy();
					// Display toast text based on the type of box destroyed
					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();
						}
					});
					boxes.splice(k, 1);
					harpoons.splice(l, 1);
					// Check if the destroyed box is an instance of Box1
					if (box instanceof Box1) {
						// 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;
							leftHarpoon.trail.x = player.x - i * 150;
							leftHarpoon.trail.y = player.y;
							game.addChild(leftHarpoon);
							var rightHarpoon = new Harpoon();
							rightHarpoon.x = player.x + i * 150;
							rightHarpoon.y = player.y;
							rightHarpoon.trail.x = player.x + i * 150;
							rightHarpoon.trail.y = player.y;
							game.addChild(rightHarpoon);
							// Set a timeout to remove the additional harpoons after 5 seconds
							LK.setTimeout(function (lh, rh) {
								lh.destroy();
								lh.trail.destroy();
								rh.destroy();
								rh.trail.destroy();
							}.bind(null, leftHarpoon, rightHarpoon), 5000);
						}
					}
					// Check if the destroyed 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 destroyed 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 destroyed 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("Balloons popped: " + 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
								});
							}
						});
					}
					break;
				}
			}
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -272,12 +272,23 @@
 	});
 	self.speed = -20;
 	self.trail = game.addChild(new Trail());
 	// Function to check if point is on line (trail)
-	self.isPointOnLine = function (point) {
+	self.isPointOnLine = function (point, bubbleSize) {
 		// The trail is a vertical line from the harpoon down to the player
-		// Check if point is close enough to the line segment (tolerance to account for bubble size)
-		var tolerance = 50; // Adjust based on bubble and trail visual width
+		// Check if point is close enough to the line segment
+		// Get bubble size factor (if not provided, default to 1)
+		var sizeFactor = bubbleSize || 1.0;
+		// Adjust tolerance based on bubble size - smaller bubbles need more generous tolerance
+		// For very small bubbles (size <= 0.3), use larger tolerance
+		var baseWidth = 50; // Base tolerance for normal bubbles
+		var tolerance = baseWidth;
+		if (sizeFactor <= 0.3) {
+			tolerance = 100; // Larger tolerance for tiny bubbles
+		} else if (sizeFactor < 1.0) {
+			// Scale tolerance inversely with bubble size
+			tolerance = baseWidth * (2 - sizeFactor);
+		}
 		// Vertical line check (point.x near self.x and point.y between self.y and trail bottom)
 		return Math.abs(point.x - self.x) < tolerance && point.y >= self.y && point.y <= 2732;
 	};
 	self.update = function () {
@@ -580,10 +591,14 @@
 			var hitsHarpoon = bubble.intersects(harpoon);
 			var hitsTrail = harpoon.isPointOnLine({
 				x: bubble.x,
 				y: bubble.y
-			});
+			}, bubble.size);
 			if (hitsHarpoon || hitsTrail) {
+				// Log small bubble collisions for debugging
+				if (bubble.size <= 0.3 && hitsTrail) {
+					console.log("Small bubble hit by trail: size=" + bubble.size + ", x=" + bubble.x + ", harpoon.x=" + harpoon.x);
+				}
 				// Store current position and data for explosion
 				var bubbleX = bubble.x;
 				var bubbleY = bubble.y;
 				var bubbleSize = bubble.size || 1.0;
@@ -677,9 +692,9 @@
 				var hitsHarpoon = box.intersects(harpoon);
 				var hitsTrail = harpoon.isPointOnLine({
 					x: box.x,
 					y: box.y
-				});
+				}, 1.0);
 				if (hitsHarpoon || hitsTrail) {
 					box.destroy();
 					LK.getSound('powerup').play();
 					harpoon.trail.destroy();