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

/**** 
* Classes
****/ 
var Box = Container.expand(function (type) {
	var self = Container.call(this);
	self.type = type || 'regular';
	self.speed = 5;
	self.points = 1;
	self.active = true;
	// Different box configurations based on type
	if (self.type === 'regular') {
		self.boxGraphics = self.attachAsset('regularBox', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.points = 1;
	} else if (self.type === 'bonus') {
		self.boxGraphics = self.attachAsset('bonusBox', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.points = 3;
		self.speed = 7;
	} else if (self.type === 'special') {
		self.boxGraphics = self.attachAsset('specialBox', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.points = 5;
		self.speed = 9;
	} else if (self.type === 'lineClear') {
		self.boxGraphics = self.attachAsset('specialBox', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.boxGraphics.tint = 0x9b59b6; // Purple tint
		self.points = 2;
		self.speed = 6;
		self.isLineClearer = true;
	}
	// Add a small rotation to make it visually interesting
	self.rotationSpeed = (Math.random() - 0.5) * 0.02;
	self.update = function () {
		if (!self.active) {
			return;
		}
		self.y += self.speed;
		self.boxGraphics.rotation += self.rotationSpeed;
		// Check if box moved out of screen
		if (self.y > 2732 + self.boxGraphics.height) {
			self.active = false;
			missedBoxes++;
			// Check if the player has missed too many boxes
			if (missedBoxes >= maxMissedBoxes) {
				LK.effects.flashScreen(0xff0000, 500);
				LK.getSound('gameOverSound').play();
				LK.setTimeout(function () {
					LK.showGameOver();
				}, 500);
			}
		}
	};
	self.tap = function () {
		if (!self.active) {
			return;
		}
		self.active = false;
		// Handle line-clearing box
		if (self.isLineClearer) {
			LK.getSound('lineClear').play();
			// Find all boxes in the same horizontal line (within a small y-tolerance)
			var yPosition = self.y;
			var tolerance = 30; // Tolerance for y-position matching
			var boxesInLine = [];
			var totalPoints = self.points; // Start with the points from this box
			// Find boxes in the same line
			boxes.forEach(function (otherBox) {
				if (otherBox !== self && otherBox.active && Math.abs(otherBox.y - yPosition) < tolerance) {
					boxesInLine.push(otherBox);
					totalPoints += otherBox.points;
					otherBox.active = false;
					// Create explosion effect for each box in line
					tween(otherBox, {
						alpha: 0,
						scaleX: 1.5,
						scaleY: 1.5
					}, {
						duration: 300,
						easing: tween.linear,
						onFinish: function onFinish() {
							otherBox.destroy();
						}
					});
				}
			});
			// Show total points cleared
			var pointText = new Text2('+' + totalPoints, {
				size: 70,
				fill: 0x9b59b6
			});
			pointText.anchor.set(0.5, 0.5);
			pointText.x = self.x;
			pointText.y = self.y;
			game.addChild(pointText);
			// Animate the text
			tween(pointText, {
				y: pointText.y - 80,
				alpha: 0
			}, {
				duration: 1200,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					pointText.destroy();
				}
			});
			// Update score with total points
			LK.setScore(LK.getScore() + totalPoints);
			updateScoreDisplay();
		} else {
			// Regular box behavior
			// Play appropriate sound
			if (self.type === 'regular') {
				LK.getSound('tap').play();
			} else {
				LK.getSound('bonus').play();
			}
			// Update score
			LK.setScore(LK.getScore() + self.points);
			updateScoreDisplay();
			// Show score increase effect
			var pointText = new Text2('+' + self.points, {
				size: 50,
				fill: 0xFFFFFF
			});
			pointText.anchor.set(0.5, 0.5);
			pointText.x = self.x;
			pointText.y = self.y;
			game.addChild(pointText);
			// Animate the text and remove it
			tween(pointText, {
				y: pointText.y - 80,
				alpha: 0
			}, {
				duration: 800,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					pointText.destroy();
				}
			});
		}
		// Animate the box explosion
		tween(self, {
			alpha: 0,
			scaleX: 1.5,
			scaleY: 1.5
		}, {
			duration: 300,
			easing: tween.linear,
			onFinish: function onFinish() {
				self.destroy();
			}
		});
		// Check if player reached target score
		if (LK.getScore() >= winScore) {
			LK.showYouWin();
		}
	};
	// Event handler for tapping on boxes
	self.down = function () {
		self.tap();
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// Game variables
var boxes = [];
var spawnInterval = 1000; // Initial spawn interval in ms
var minSpawnInterval = 300; // Minimum spawn interval
var spawnTimer = null;
var missedBoxes = 0;
var maxMissedBoxes = 10; // Game over after 10 missed boxes
var winScore = 300; // Score needed to win
var difficultyIncreaseInterval = 10000; // Increase difficulty every 10 seconds
var difficultyTimer = null;
var gameStarted = false;
// Initialize UI
var scoreTxt = new Text2('0', {
	size: 80,
	fill: 0x000000
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var missedBoxesTxt = new Text2('Missed: 0/' + maxMissedBoxes, {
	size: 50,
	fill: 0xFFFFFF
});
missedBoxesTxt.anchor.set(0, 0);
missedBoxesTxt.x = 150;
missedBoxesTxt.y = 50;
LK.gui.topRight.addChild(missedBoxesTxt);
var instructionsTxt = new Text2('Tap the falling boxes!', {
	size: 60,
	fill: 0xFFFFFF
});
instructionsTxt.anchor.set(0.5, 0.5);
LK.gui.center.addChild(instructionsTxt);
// Hide instructions after a delay
LK.setTimeout(function () {
	tween(instructionsTxt, {
		alpha: 0
	}, {
		duration: 1000,
		easing: tween.linear,
		onFinish: function onFinish() {
			instructionsTxt.destroy();
		}
	});
	startGame();
}, 2000);
// Function to update score display
function updateScoreDisplay() {
	scoreTxt.setText(LK.getScore());
	missedBoxesTxt.setText('Missed: ' + missedBoxes + '/' + maxMissedBoxes);
}
// Function to spawn a box
function spawnBox() {
	var boxType;
	var random = Math.random();
	if (random < 0.65) {
		boxType = 'regular';
	} else if (random < 0.85) {
		boxType = 'bonus';
	} else if (random < 0.95) {
		boxType = 'special';
	} else {
		boxType = 'lineClear';
	}
	var box = new Box(boxType);
	box.x = Math.random() * (2048 - 100) + 50; // Random x position
	box.y = -100; // Start above the screen
	// Add some variety to the path
	box.xSpeed = (Math.random() - 0.5) * 3;
	boxes.push(box);
	game.addChild(box);
}
// Function to start the game
function startGame() {
	if (gameStarted) {
		return;
	}
	gameStarted = true;
	// Reset variables
	boxes.forEach(function (box) {
		box.destroy();
	});
	boxes = [];
	missedBoxes = 0;
	LK.setScore(0);
	updateScoreDisplay();
	// Start spawning boxes
	spawnTimer = LK.setInterval(function () {
		spawnBox();
	}, spawnInterval);
	// Increase difficulty over time
	difficultyTimer = LK.setInterval(function () {
		if (spawnInterval > minSpawnInterval) {
			spawnInterval = Math.max(minSpawnInterval, spawnInterval - 100);
			// Clear and restart spawn timer with new interval
			LK.clearInterval(spawnTimer);
			spawnTimer = LK.setInterval(function () {
				spawnBox();
			}, spawnInterval);
		}
	}, difficultyIncreaseInterval);
	// Play background music
	LK.playMusic('gameMusic', {
		fade: {
			start: 0,
			end: 0.5,
			duration: 1000
		}
	});
}
// Update function called every frame
game.update = function () {
	// Process all active boxes
	for (var i = boxes.length - 1; i >= 0; i--) {
		var box = boxes[i];
		// Remove inactive boxes from the array
		if (!box.active) {
			boxes.splice(i, 1);
			continue;
		}
		// Add some horizontal movement to make it more interesting
		if (box.xSpeed) {
			box.x += box.xSpeed;
			// Bounce off the edges
			if (box.x < 50 || box.x > 2048 - 50) {
				box.xSpeed *= -1;
			}
		}
	}
};
// Allow tapping anywhere on the screen to tap a box
game.down = function (x, y) {
	// Check if any box was hit
	var hitBox = false;
	for (var i = boxes.length - 1; i >= 0; i--) {
		var box = boxes[i];
		// Calculate distance from tap to box center
		var dx = x - box.x;
		var dy = y - box.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		// If tap is within the box, trigger a tap
		if (distance < box.boxGraphics.width / 2 && box.active) {
			box.tap();
			hitBox = true;
			break; // Only tap one box at a time
		}
	}
	// Flash screen very subtly when missing a box
	if (!hitBox && boxes.length > 0) {
		LK.effects.flashScreen(0x3498db, 100);
	}
};
// Game clean-up function
game.cleanup = function () {
	if (spawnTimer) {
		LK.clearInterval(spawnTimer);
	}
	if (difficultyTimer) {
		LK.clearInterval(difficultyTimer);
	}
	LK.stopMusic();
};

===================================================================
--- original.js
+++ change.js
@@ -33,8 +33,17 @@
 			anchorY: 0.5
 		});
 		self.points = 5;
 		self.speed = 9;
+	} else if (self.type === 'lineClear') {
+		self.boxGraphics = self.attachAsset('specialBox', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		self.boxGraphics.tint = 0x9b59b6; // Purple tint
+		self.points = 2;
+		self.speed = 6;
+		self.isLineClearer = true;
 	}
 	// Add a small rotation to make it visually interesting
 	self.rotationSpeed = (Math.random() - 0.5) * 0.02;
 	self.update = function () {
@@ -61,90 +70,91 @@
 		if (!self.active) {
 			return;
 		}
 		self.active = false;
-		// Play appropriate sound
-		if (self.type === 'regular') {
-			LK.getSound('tap').play();
-		} else {
-			LK.getSound('bonus').play();
-		}
-		// Handle combo system
-		var currentTime = Date.now();
-		if (comboTimer) {
-			LK.clearTimeout(comboTimer);
-		}
-		if (currentTime - lastTapTime < comboTimeWindow) {
-			// Continue combo
-			comboCount++;
-			comboMultiplier = Math.min(5, 1 + Math.floor(comboCount / 3));
-			// Flash combo text with animation
-			comboText.setText('COMBO x' + comboMultiplier + ' (' + comboCount + ')');
-			comboText.alpha = 1;
-			comboText.scale.set(1.3);
-			tween(comboText.scale, {
-				x: 1,
-				y: 1
+		// Handle line-clearing box
+		if (self.isLineClearer) {
+			LK.getSound('lineClear').play();
+			// Find all boxes in the same horizontal line (within a small y-tolerance)
+			var yPosition = self.y;
+			var tolerance = 30; // Tolerance for y-position matching
+			var boxesInLine = [];
+			var totalPoints = self.points; // Start with the points from this box
+			// Find boxes in the same line
+			boxes.forEach(function (otherBox) {
+				if (otherBox !== self && otherBox.active && Math.abs(otherBox.y - yPosition) < tolerance) {
+					boxesInLine.push(otherBox);
+					totalPoints += otherBox.points;
+					otherBox.active = false;
+					// Create explosion effect for each box in line
+					tween(otherBox, {
+						alpha: 0,
+						scaleX: 1.5,
+						scaleY: 1.5
+					}, {
+						duration: 300,
+						easing: tween.linear,
+						onFinish: function onFinish() {
+							otherBox.destroy();
+						}
+					});
+				}
+			});
+			// Show total points cleared
+			var pointText = new Text2('+' + totalPoints, {
+				size: 70,
+				fill: 0x9b59b6
+			});
+			pointText.anchor.set(0.5, 0.5);
+			pointText.x = self.x;
+			pointText.y = self.y;
+			game.addChild(pointText);
+			// Animate the text
+			tween(pointText, {
+				y: pointText.y - 80,
+				alpha: 0
 			}, {
-				duration: 300,
-				easing: tween.easeOutBounce
+				duration: 1200,
+				easing: tween.easeOut,
+				onFinish: function onFinish() {
+					pointText.destroy();
+				}
 			});
-			// Set color based on combo level
-			if (comboMultiplier >= 4) {
-				comboText.style.fill = "#FF0000"; // Red for highest combo
-			} else if (comboMultiplier >= 3) {
-				comboText.style.fill = "#FF6600"; // Orange for high combo
-			} else if (comboMultiplier >= 2) {
-				comboText.style.fill = "#FFCC00"; // Yellow for medium combo
-			}
+			// Update score with total points
+			LK.setScore(LK.getScore() + totalPoints);
+			updateScoreDisplay();
 		} else {
-			// Reset combo
-			comboCount = 1;
-			comboMultiplier = 1;
-			comboText.setText('');
-		}
-		// Set timer to reset combo if no tap within time window
-		comboTimer = LK.setTimeout(function () {
-			comboCount = 0;
-			comboMultiplier = 1;
-			// Fade out combo text
-			tween(comboText, {
+			// Regular box behavior
+			// Play appropriate sound
+			if (self.type === 'regular') {
+				LK.getSound('tap').play();
+			} else {
+				LK.getSound('bonus').play();
+			}
+			// Update score
+			LK.setScore(LK.getScore() + self.points);
+			updateScoreDisplay();
+			// Show score increase effect
+			var pointText = new Text2('+' + self.points, {
+				size: 50,
+				fill: 0xFFFFFF
+			});
+			pointText.anchor.set(0.5, 0.5);
+			pointText.x = self.x;
+			pointText.y = self.y;
+			game.addChild(pointText);
+			// Animate the text and remove it
+			tween(pointText, {
+				y: pointText.y - 80,
 				alpha: 0
 			}, {
-				duration: 500,
-				easing: tween.linear
+				duration: 800,
+				easing: tween.easeOut,
+				onFinish: function onFinish() {
+					pointText.destroy();
+				}
 			});
-		}, comboTimeWindow);
-		lastTapTime = currentTime;
-		// Calculate points with combo multiplier
-		var totalPoints = self.points * comboMultiplier;
-		// Update score
-		LK.setScore(LK.getScore() + totalPoints);
-		updateScoreDisplay();
-		// Show score increase effect
-		var pointText = new Text2('+' + totalPoints, {
-			size: 50,
-			fill: 0xFFFFFF
-		});
-		if (comboMultiplier > 1) {
-			pointText.style.fill = comboText.style.fill;
-			pointText.setText('+' + totalPoints + ' (x' + comboMultiplier + ')');
 		}
-		pointText.anchor.set(0.5, 0.5);
-		pointText.x = self.x;
-		pointText.y = self.y;
-		game.addChild(pointText);
-		// Animate the text and then remove it
-		tween(pointText, {
-			y: pointText.y - 80,
-			alpha: 0
-		}, {
-			duration: 800,
-			easing: tween.easeOut,
-			onFinish: function onFinish() {
-				pointText.destroy();
-			}
-		});
 		// Animate the box explosion
 		tween(self, {
 			alpha: 0,
 			scaleX: 1.5,
@@ -188,15 +198,8 @@
 var winScore = 300; // Score needed to win
 var difficultyIncreaseInterval = 10000; // Increase difficulty every 10 seconds
 var difficultyTimer = null;
 var gameStarted = false;
-// Combo system variables
-var comboCount = 0;
-var comboTimer = null;
-var comboTimeWindow = 2000; // Time window in ms to maintain combo
-var lastTapTime = 0;
-var comboMultiplier = 1;
-var comboText = null;
 // Initialize UI
 var scoreTxt = new Text2('0', {
 	size: 80,
 	fill: 0x000000
@@ -210,16 +213,8 @@
 missedBoxesTxt.anchor.set(0, 0);
 missedBoxesTxt.x = 150;
 missedBoxesTxt.y = 50;
 LK.gui.topRight.addChild(missedBoxesTxt);
-// Combo text
-comboText = new Text2('', {
-	size: 60,
-	fill: 0xFFCC00
-});
-comboText.anchor.set(0.5, 0);
-comboText.y = 100;
-LK.gui.top.addChild(comboText);
 var instructionsTxt = new Text2('Tap the falling boxes!', {
 	size: 60,
 	fill: 0xFFFFFF
 });
@@ -246,14 +241,16 @@
 // Function to spawn a box
 function spawnBox() {
 	var boxType;
 	var random = Math.random();
-	if (random < 0.7) {
+	if (random < 0.65) {
 		boxType = 'regular';
-	} else if (random < 0.9) {
+	} else if (random < 0.85) {
 		boxType = 'bonus';
-	} else {
+	} else if (random < 0.95) {
 		boxType = 'special';
+	} else {
+		boxType = 'lineClear';
 	}
 	var box = new Box(boxType);
 	box.x = Math.random() * (2048 - 100) + 50; // Random x position
 	box.y = -100; // Start above the screen
@@ -274,15 +271,8 @@
 	});
 	boxes = [];
 	missedBoxes = 0;
 	LK.setScore(0);
-	comboCount = 0;
-	comboMultiplier = 1;
-	if (comboTimer) {
-		LK.clearTimeout(comboTimer);
-		comboTimer = null;
-	}
-	comboText.setText('');
 	updateScoreDisplay();
 	// Start spawning boxes
 	spawnTimer = LK.setInterval(function () {
 		spawnBox();
@@ -356,9 +346,6 @@
 	}
 	if (difficultyTimer) {
 		LK.clearInterval(difficultyTimer);
 	}
-	if (comboTimer) {
-		LK.clearTimeout(comboTimer);
-	}
 	LK.stopMusic();
 };
\ No newline at end of file