/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1", {
	highScore: 0,
	level: 1
});

/**** 
* Classes
****/ 
var Block = Container.expand(function () {
	var self = Container.call(this);
	self.blockType = '';
	self.init = function (type) {
		self.blockType = type;
		var color = 'block_' + type;
		self.graphics = self.attachAsset(color, {
			anchorX: 0,
			anchorY: 0,
			alpha: 0.9
		});
		return self;
	};
	return self;
});
var Button = Container.expand(function () {
	var self = Container.call(this);
	self.init = function (label, iconType) {
		var buttonGraphics = self.attachAsset('button', {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 2.0,
			scaleY: 2.0,
			shape: 'ellipse' // Change shape to ellipse to make it circular
		});
		var text = new Text2(label, {
			size: 100,
			fill: 0xFFFFFF // White color for icon
		});
		text.anchor.set(0.5, 0.5);
		self.addChild(text);
		self.down = function (x, y, obj) {
			buttonGraphics.alpha = 0.7;
		};
		self.up = function (x, y, obj) {
			buttonGraphics.alpha = 1.0;
		};
		return self;
	};
	return self;
});
var Tetromino = Container.expand(function () {
	var self = Container.call(this);
	self.blocks = [];
	self.shape = [];
	self.type = '';
	self.rotation = 0;
	self.gridX = 0;
	self.gridY = 0;
	self.init = function (type) {
		self.type = type;
		self.createShape(type);
		return self;
	};
	self.createShape = function (type) {
		// Clear existing blocks
		for (var i = 0; i < self.blocks.length; i++) {
			self.removeChild(self.blocks[i]);
		}
		self.blocks = [];
		// Create new shape based on type
		switch (type) {
			case 'i':
				self.shape = [[0, 0, 0, 0], [1, 1, 1, 1], [0, 0, 0, 0], [0, 0, 0, 0]];
				break;
			case 'j':
				self.shape = [[1, 0, 0], [1, 1, 1], [0, 0, 0]];
				break;
			case 'l':
				self.shape = [[0, 0, 1], [1, 1, 1], [0, 0, 0]];
				break;
			case 'o':
				self.shape = [[1, 1], [1, 1]];
				break;
			case 's':
				self.shape = [[0, 1, 1], [1, 1, 0], [0, 0, 0]];
				break;
			case 't':
				self.shape = [[0, 1, 0], [1, 1, 1], [0, 0, 0]];
				break;
			case 'z':
				self.shape = [[1, 1, 0], [0, 1, 1], [0, 0, 0]];
				break;
		}
		// Create blocks based on shape
		for (var y = 0; y < self.shape.length; y++) {
			for (var x = 0; x < self.shape[y].length; x++) {
				if (self.shape[y][x]) {
					var block = new Block().init(type);
					block.x = x * BLOCK_SIZE;
					block.y = y * BLOCK_SIZE;
					self.addChild(block);
					self.blocks.push(block);
				}
			}
		}
	};
	self.rotate = function () {
		if (self.type === 'o') {
			return;
		} // O pieces don't rotate
		// Create a new rotated matrix
		var newShape = [];
		var size = self.shape.length;
		for (var y = 0; y < size; y++) {
			newShape[y] = [];
			for (var x = 0; x < size; x++) {
				newShape[y][x] = self.shape[size - 1 - x][y];
			}
		}
		// Save original shape in case rotation is invalid
		var originalShape = self.shape;
		self.shape = newShape;
		// Update block positions
		self.updateBlocks();
		// Check if the rotation is valid
		if (!isValidPosition(self)) {
			// Revert to original shape
			self.shape = originalShape;
			self.updateBlocks();
			return false;
		}
		if (LK.getSound('tetromino_rotate')) {
			LK.getSound('tetromino_rotate').play();
		} else {
			console.error("Sound 'tetromino_rotate' not found");
		}
		return true;
	};
	self.updateBlocks = function () {
		var blockIndex = 0;
		for (var y = 0; y < self.shape.length; y++) {
			for (var x = 0; x < self.shape[y].length; x++) {
				if (self.shape[y][x]) {
					self.blocks[blockIndex].x = x * BLOCK_SIZE;
					self.blocks[blockIndex].y = y * BLOCK_SIZE;
					blockIndex++;
				}
			}
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x9bbc0f
});

/**** 
* Game Code
****/ 
// Constants
var BLOCK_SIZE = 100; // Block size in pixels
var GRID_WIDTH = 10; // Grid width in blocks
var GRID_HEIGHT = 20; // Grid height in blocks
var GRID_OFFSET_X = (2048 - GRID_WIDTH * BLOCK_SIZE) / 2; // Center grid x position
var GRID_OFFSET_Y = 100; // Grid y position
var DROP_INTERVAL = 1000; // Initial interval between block drops in ms
var DROP_SPEED_INCREASE = 0.8; // Speed multiplier per level
// Game variables
var grid = []; // Grid state
var currentTetromino = null; // Current active tetromino
var nextTetromino = null; // Next tetromino to drop
var score = 0;
var level = storage.level || 1;
var lines = 0;
var isGameOver = false;
var dropTimer = 0;
var lastDropTime = 0;
var inputDelay = 0; // Delay for input controls to prevent too fast movement
// Initialize grid
for (var y = 0; y < GRID_HEIGHT; y++) {
	grid[y] = [];
	for (var x = 0; x < GRID_WIDTH; x++) {
		grid[y][x] = null;
	}
}
// Create grid background with lines
var gridBackground = new Container();
for (var y = 0; y < GRID_HEIGHT; y++) {
	for (var x = 0; x < GRID_WIDTH; x++) {
		var cell = LK.getAsset('grid_cell', {
			anchorX: 0,
			anchorY: 0,
			alpha: 0.5
		});
		cell.x = x * BLOCK_SIZE;
		cell.y = y * BLOCK_SIZE;
		gridBackground.addChild(cell);
		// Add vertical line
		if (x < GRID_WIDTH - 1) {
			var verticalLine = LK.getAsset('block', {
				anchorX: 0,
				anchorY: 0,
				alpha: 0.2,
				width: 20,
				// Increased thickness
				height: BLOCK_SIZE,
				color: 0x000000 // Black color
			});
			verticalLine.x = (x + 1) * BLOCK_SIZE - 1;
			verticalLine.y = y * BLOCK_SIZE;
			gridBackground.addChild(verticalLine);
		}
		// Add horizontal line
		if (y < GRID_HEIGHT - 1) {
			var horizontalLine = LK.getAsset('block', {
				anchorX: 0,
				anchorY: 0,
				alpha: 0.2,
				width: BLOCK_SIZE,
				height: 20,
				// Increased thickness
				color: 0x000000 // Black color
			});
			horizontalLine.x = x * BLOCK_SIZE;
			horizontalLine.y = (y + 1) * BLOCK_SIZE - 1;
			gridBackground.addChild(horizontalLine);
		}
	}
}
gridBackground.x = GRID_OFFSET_X;
gridBackground.y = GRID_OFFSET_Y;
game.addChild(gridBackground);
// Create game board container
var gameBoard = new Container();
gameBoard.x = GRID_OFFSET_X;
gameBoard.y = GRID_OFFSET_Y;
game.addChild(gameBoard);
// Next piece preview
var nextPieceContainer = new Container();
nextPieceContainer.x = GRID_OFFSET_X - 200;
nextPieceContainer.y = GRID_OFFSET_Y + 100;
game.addChild(nextPieceContainer);
// Create UI text elements
var scoreText = new Text2('Score: 0', {
	size: 80,
	fill: 0x000000
});
scoreText.anchor.set(0, 0);
scoreText.x = GRID_OFFSET_X + GRID_WIDTH * BLOCK_SIZE + 50;
scoreText.y = GRID_OFFSET_Y;
game.addChild(scoreText);
var levelText = new Text2('Level: 1', {
	size: 80,
	fill: 0x000000
});
levelText.anchor.set(0, 0);
levelText.x = GRID_OFFSET_X + GRID_WIDTH * BLOCK_SIZE + 50;
levelText.y = GRID_OFFSET_Y + 120;
game.addChild(levelText);
var linesText = new Text2('Lines: 0', {
	size: 80,
	fill: 0x000000
});
linesText.anchor.set(0, 0);
linesText.x = GRID_OFFSET_X + GRID_WIDTH * BLOCK_SIZE + 50;
linesText.y = GRID_OFFSET_Y + 250;
game.addChild(linesText);
// Create control buttons
var leftButton = new Button().init('←');
leftButton.x = 300;
leftButton.y = 2432; // Move up by 200 pixels
leftButton.down = function () {
	moveTetrominoLeft();
	this.alpha = 0.7;
};
leftButton.up = function () {
	this.alpha = 1.0;
};
game.addChild(leftButton);
var rightButton = new Button().init('→');
rightButton.x = 750;
rightButton.y = 2432; // Move up by 200 pixels
rightButton.down = function () {
	moveTetrominoRight();
	this.alpha = 0.7;
};
rightButton.up = function () {
	this.alpha = 1.0;
};
game.addChild(rightButton);
var rotateButton = new Button().init('↻');
rotateButton.x = 1300;
rotateButton.y = 2432; // Move up by 200 pixels
rotateButton.down = function () {
	rotateTetromino();
	this.alpha = 0.7;
};
rotateButton.up = function () {
	this.alpha = 1.0;
};
game.addChild(rotateButton);
var dropButton = new Button().init('↓');
dropButton.x = 1750;
dropButton.y = 2432; // Move up by 200 pixels
dropButton.down = function () {
	dropTetromino();
	this.alpha = 0.7;
};
dropButton.up = function () {
	this.alpha = 1.0;
};
game.addChild(dropButton);
// Tetromino types
var tetrominoTypes = ['i', 'j', 'l', 'o', 's', 't', 'z'];
// Helper functions
function createRandomTetromino() {
	var type = tetrominoTypes[Math.floor(Math.random() * tetrominoTypes.length)];
	return new Tetromino().init(type);
}
function spawnTetromino() {
	if (nextTetromino === null) {
		nextTetromino = createRandomTetromino();
	}
	currentTetromino = nextTetromino;
	nextTetromino = createRandomTetromino();
	// Position the tetromino at the top center of the grid
	currentTetromino.gridX = Math.floor(GRID_WIDTH / 2) - Math.floor(currentTetromino.shape.length / 2);
	currentTetromino.gridY = 0;
	// Update tetromino position
	currentTetromino.x = currentTetromino.gridX * BLOCK_SIZE;
	currentTetromino.y = currentTetromino.gridY * BLOCK_SIZE;
	// Add to game board
	gameBoard.addChild(currentTetromino);
	// Update next piece preview
	updateNextPiecePreview();
	// Check if game is over
	if (!isValidPosition(currentTetromino)) {
		gameOver();
	}
}
function updateNextPiecePreview() {
	// Clear previous preview
	while (nextPieceContainer.children.length > 0) {
		nextPieceContainer.removeChild(nextPieceContainer.children[0]);
	}
	// Create a copy of the next tetromino for preview
	var previewTetromino = new Tetromino().init(nextTetromino.type);
	// Center it in the preview area
	previewTetromino.x = 75 - previewTetromino.shape.length * BLOCK_SIZE / 4;
	previewTetromino.y = 75 - previewTetromino.shape.length * BLOCK_SIZE / 4;
	previewTetromino.scale.set(0.5, 0.5);
	nextPieceContainer.addChild(previewTetromino);
}
function isValidPosition(tetromino) {
	for (var y = 0; y < tetromino.shape.length; y++) {
		for (var x = 0; x < tetromino.shape[y].length; x++) {
			if (tetromino.shape[y][x]) {
				var gridX = tetromino.gridX + x;
				var gridY = tetromino.gridY + y;
				// Check if out of bounds
				if (gridX < 0 || gridX >= GRID_WIDTH || gridY >= GRID_HEIGHT) {
					return false;
				}
				// Check if overlapping with locked blocks (and not above the grid)
				if (gridY >= 0 && grid[gridY][gridX] !== null) {
					return false;
				}
			}
		}
	}
	return true;
}
function moveTetromino(dx, dy) {
	if (currentTetromino === null || isGameOver) {
		return false;
	}
	// Save original position
	var originalX = currentTetromino.gridX;
	var originalY = currentTetromino.gridY;
	// Try to move
	currentTetromino.gridX += dx;
	currentTetromino.gridY += dy;
	// Check if the new position is valid
	if (!isValidPosition(currentTetromino)) {
		// Revert position
		currentTetromino.gridX = originalX;
		currentTetromino.gridY = originalY;
		// If we tried to move down and failed, lock the tetromino
		if (dy > 0) {
			lockTetromino();
		}
		return false;
	}
	// Update position
	currentTetromino.x = currentTetromino.gridX * BLOCK_SIZE;
	currentTetromino.y = currentTetromino.gridY * BLOCK_SIZE;
	return true;
}
function moveTetrominoLeft() {
	if (LK.ticks - inputDelay < 5) {
		return;
	} // Prevent too fast movement
	inputDelay = LK.ticks;
	moveTetromino(-1, 0);
}
function moveTetrominoRight() {
	if (LK.ticks - inputDelay < 5) {
		return;
	} // Prevent too fast movement
	inputDelay = LK.ticks;
	moveTetromino(1, 0);
}
function moveTetrominoDown() {
	return moveTetromino(0, 1);
}
function rotateTetromino() {
	if (currentTetromino === null || isGameOver) {
		return;
	}
	if (LK.ticks - inputDelay < 5) {
		return;
	} // Prevent too fast rotation
	inputDelay = LK.ticks;
	currentTetromino.rotate();
}
function dropTetromino() {
	if (currentTetromino === null || isGameOver) {
		return;
	}
	if (LK.ticks - inputDelay < 5) {
		return;
	} // Prevent too fast dropping
	inputDelay = LK.ticks;
	// Move tetromino down until it can't move anymore
	while (moveTetrominoDown()) {
		// Continue moving down
	}
}
function lockTetromino() {
	if (currentTetromino === null) {
		return;
	}
	// Add blocks to grid
	for (var y = 0; y < currentTetromino.shape.length; y++) {
		for (var x = 0; x < currentTetromino.shape[y].length; x++) {
			if (currentTetromino.shape[y][x]) {
				var gridX = currentTetromino.gridX + x;
				var gridY = currentTetromino.gridY + y;
				// Skip if above the grid
				if (gridY < 0) {
					continue;
				}
				// Create a new block at this position
				var block = new Block().init(currentTetromino.type);
				block.x = gridX * BLOCK_SIZE;
				block.y = gridY * BLOCK_SIZE;
				// Add to grid and game board
				grid[gridY][gridX] = block;
				gameBoard.addChild(block);
			}
		}
	}
	// Remove the tetromino
	gameBoard.removeChild(currentTetromino);
	currentTetromino = null;
	// Play sound
	if (LK.getSound('tetromino_land')) {
		LK.getSound('tetromino_land').play();
	} else {
		console.error("Sound 'tetromino_land' not found");
	}
	// Check for completed lines
	checkLines();
	// Spawn new tetromino
	spawnTetromino();
}
function checkLines() {
	var completedLines = 0;
	var linesToClear = [];
	// Check for completed lines
	for (var y = 0; y < GRID_HEIGHT; y++) {
		var isLineComplete = true;
		for (var x = 0; x < GRID_WIDTH; x++) {
			if (grid[y][x] === null) {
				isLineComplete = false;
				break;
			}
		}
		if (isLineComplete) {
			completedLines++;
			linesToClear.push(y);
		}
	}
	// If no lines were completed, return
	if (completedLines === 0) {
		return;
	}
	// Add score based on number of lines cleared
	var points = 0;
	switch (completedLines) {
		case 1:
			points = 100 * level;
			break;
		case 2:
			points = 300 * level;
			break;
		case 3:
			points = 500 * level;
			break;
		case 4:
			points = 800 * level;
			break;
	}
	score = Math.min(score + points, 9999);
	lines += completedLines;
	// Update level
	var newLevel = Math.floor(lines / 10) + 1;
	if (newLevel > level) {
		level = newLevel;
		if (LK.getSound('level_up')) {
			LK.getSound('level_up').play();
		} else {
			console.error("Sound 'level_up' not found");
		}
	}
	// Play sound
	if (LK.getSound('line_clear')) {
		LK.getSound('line_clear').play();
	} else {
		console.error("Sound 'line_clear' not found");
	}
	if (LK.getSound('hacked_speech')) {
		LK.getSound('hacked_speech').play();
	} else {
		console.error("Sound 'hacked_speech' not found");
	}
	// Clear the lines
	clearLines(linesToClear);
	// Update UI
	updateUI();
	// Save high score
	if (score > storage.highScore) {
		storage.highScore = score;
	}
}
function clearLines(linesToClear) {
	// Create and add 'HACKED' text
	var hackedText = new Text2('HACKED', {
		size: 200,
		fill: 0xffffff // White color
	});
	hackedText.anchor.set(0.5, 0.5);
	hackedText.x = GRID_OFFSET_X + GRID_WIDTH * BLOCK_SIZE / 2;
	hackedText.y = GRID_OFFSET_Y + GRID_HEIGHT * BLOCK_SIZE / 2;
	game.addChild(hackedText);
	// Play digitized speech saying 'hacked'
	if (LK.getSound('hacked_speech')) {
		LK.getSound('hacked_speech').play();
	} else {
		console.error("Sound 'hacked_speech' not found");
	}
	// Flash the 'HACKED' text
	tween(hackedText, {
		alpha: 0
	}, {
		duration: 1600,
		repeat: 10,
		yoyo: true,
		onFinish: function onFinish() {
			game.removeChild(hackedText);
		}
	});
	// Flash the lines to be cleared
	for (var i = 0; i < linesToClear.length; i++) {
		var y = linesToClear[i];
		for (var x = 0; x < GRID_WIDTH; x++) {
			if (grid[y][x] !== null) {
				tween(grid[y][x], {
					alpha: 0
				}, {
					duration: 200,
					onFinish: function onFinish() {
						tween(this, {
							alpha: 1
						}, {
							duration: 200
						});
					}
				});
			}
		}
	}
	// Schedule line clearing after the flash
	LK.setTimeout(function () {
		// Remove blocks from cleared lines with shattering effect
		for (var i = 0; i < linesToClear.length; i++) {
			var y = linesToClear[i];
			for (var x = 0; x < GRID_WIDTH; x++) {
				if (grid[y][x] !== null) {
					// Create shattering effect
					createShatterEffect(grid[y][x]);
					gameBoard.removeChild(grid[y][x]);
					grid[y][x] = null;
				}
			}
		}
		// Function to create shattering effect
		function createShatterEffect(block) {
			var particles = [];
			var numParticles = 20; // Increased number of particles per block
			for (var i = 0; i < numParticles; i++) {
				var particle = LK.getAsset('block', {
					anchorX: 0.5,
					anchorY: 0.5,
					alpha: 0.8,
					width: BLOCK_SIZE / 3,
					// Increased particle size
					height: BLOCK_SIZE / 3,
					// Increased particle size
					color: block.graphics.color
				});
				particle.x = block.x + (Math.random() - 0.5) * BLOCK_SIZE;
				particle.y = block.y + (Math.random() - 0.5) * BLOCK_SIZE;
				particles.push(particle);
				gameBoard.addChild(particle);
				// Animate particle
				tween(particle, {
					x: particle.x + (Math.random() - 0.5) * 300,
					// Increased movement range
					y: particle.y + (Math.random() - 0.5) * 300,
					// Increased movement range
					alpha: 0
				}, {
					duration: 1500,
					// Increased duration
					onFinish: function onFinish() {
						gameBoard.removeChild(this);
					}
				});
			}
		}
		// Move down blocks above cleared lines
		for (var i = 0; i < linesToClear.length; i++) {
			var clearedY = linesToClear[i];
			// Move all blocks above the cleared line down
			for (var y = clearedY; y > 0; y--) {
				for (var x = 0; x < GRID_WIDTH; x++) {
					grid[y][x] = grid[y - 1][x];
					if (grid[y][x] !== null) {
						grid[y][x].y = y * BLOCK_SIZE;
					}
				}
			}
			// Clear the top line
			for (var x = 0; x < GRID_WIDTH; x++) {
				grid[0][x] = null;
			}
		}
	}, 400);
}
function updateUI() {
	scoreText.setText('Score: ' + score);
	levelText.setText('Level: ' + level);
	linesText.setText('Lines: ' + lines);
	// Set score to LK score system
	LK.setScore(score);
}
function gameOver() {
	isGameOver = true;
	// Flash the grid
	tween(gameBoard, {
		alpha: 0.5
	}, {
		duration: 500,
		onFinish: function onFinish() {
			tween(gameBoard, {
				alpha: 1
			}, {
				duration: 500
			});
		}
	});
	// Show game over dialog
	LK.setTimeout(function () {
		LK.showGameOver();
	}, 1000);
}
function resetGame() {
	// Clear the grid
	for (var y = 0; y < GRID_HEIGHT; y++) {
		for (var x = 0; x < GRID_WIDTH; x++) {
			if (grid[y][x] !== null) {
				gameBoard.removeChild(grid[y][x]);
				grid[y][x] = null;
			}
		}
	}
	// Reset game variables
	score = 0;
	lines = 0;
	level = storage.level || 1;
	isGameOver = false;
	// Clear any active tetromino
	if (currentTetromino !== null) {
		gameBoard.removeChild(currentTetromino);
		currentTetromino = null;
	}
	// Clear next tetromino
	nextTetromino = null;
	// Update UI
	updateUI();
	// Spawn new tetromino
	spawnTetromino();
}
// Game update logic
game.update = function () {
	if (isGameOver) {
		return;
	}
	// Initialize game if needed
	if (currentTetromino === null && nextTetromino === null) {
		spawnTetromino();
	}
	// Update drop timer
	var currentTime = LK.ticks;
	var dropInterval = DROP_INTERVAL * Math.pow(DROP_SPEED_INCREASE, level - 1);
	if (currentTime - lastDropTime >= dropInterval / 16.67) {
		// Convert ms to ticks (60 FPS)
		moveTetrominoDown();
		lastDropTime = currentTime;
	}
};
// Start background music
LK.playMusic('bgmusic', {
	loop: true
});
// Initialize game
resetGame();

===================================================================
--- original.js
+++ change.js
@@ -738,13 +738,8 @@
 	}
 };
 // Start background music
 LK.playMusic('bgmusic', {
-	loop: true,
-	fade: {
-		start: 0,
-		end: 0.4,
-		duration: 1000
-	}
+	loop: true
 });
 // Initialize game
 resetGame();
\ No newline at end of file