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

/**** 
* Classes
****/ 
var Ball = Container.expand(function () {
	var self = Container.call(this);
	var ballGraphics = self.attachAsset('ball', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityX = 0;
	self.velocityY = 0;
	self.gravity = 1.2;
	self.friction = 0.95;
	self.bounceForce = 0.6;
	self.maxSpeed = 20;
	self.update = function () {
		// Apply gravity
		self.velocityY += self.gravity;
		// Apply friction
		self.velocityX *= self.friction;
		self.velocityY *= self.friction;
		// Limit max speed
		var speed = Math.sqrt(self.velocityX * self.velocityX + self.velocityY * self.velocityY);
		if (speed > self.maxSpeed) {
			self.velocityX = self.velocityX / speed * self.maxSpeed;
			self.velocityY = self.velocityY / speed * self.maxSpeed;
		}
		// Update position
		self.x += self.velocityX;
		self.y += self.velocityY;
		// Check maze boundaries and collisions
		checkBallCollisions();
	};
	self.addForce = function (forceX, forceY) {
		self.velocityX += forceX;
		self.velocityY += forceY;
	};
	return self;
});
var MazeCell = Container.expand(function (cellType) {
	var self = Container.call(this);
	self.cellType = cellType || 'wall';
	var cellGraphics;
	if (self.cellType === 'wall') {
		cellGraphics = self.attachAsset('wall', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	} else if (self.cellType === 'path') {
		cellGraphics = self.attachAsset('path', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	} else if (self.cellType === 'blackhole') {
		cellGraphics = self.attachAsset('blackhole', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	}
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x222222
});

/**** 
* Game Code
****/ 
var ball;
var maze = [];
var mazeWidth = 20;
var mazeHeight = 30;
var cellSize = 60;
var mazeContainer;
var blackholeX, blackholeY;
var timeLeft = 60;
var gameWon = false;
// UI Elements
var timerText = new Text2('60', {
	size: 80,
	fill: 0xFFFFFF
});
timerText.anchor.set(0.5, 0);
LK.gui.top.addChild(timerText);
var scoreText = new Text2('Level: 1', {
	size: 60,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0, 0);
scoreText.x = 150;
scoreText.y = 20;
LK.gui.topLeft.addChild(scoreText);
// Initialize maze container
mazeContainer = game.addChild(new Container());
mazeContainer.x = (2048 - mazeWidth * cellSize) / 2;
mazeContainer.y = (2732 - mazeHeight * cellSize) / 2;
// Generate initial maze
function generateMaze() {
	// Clear existing maze
	for (var i = 0; i < maze.length; i++) {
		for (var j = 0; j < maze[i].length; j++) {
			if (maze[i][j]) {
				maze[i][j].destroy();
			}
		}
	}
	maze = [];
	// Initialize maze grid (all walls initially)
	var mazeGrid = [];
	for (var y = 0; y < mazeHeight; y++) {
		mazeGrid[y] = [];
		maze[y] = [];
		for (var x = 0; x < mazeWidth; x++) {
			// 0 = wall, 1 = path, 2 = visited
			mazeGrid[y][x] = 0;
			maze[y][x] = null;
		}
	}
	// Recursive backtracking maze generation
	var stack = [];
	var currentX = 1;
	var currentY = 1;
	mazeGrid[currentY][currentX] = 1; // Mark starting cell as path
	stack.push({
		x: currentX,
		y: currentY
	});
	while (stack.length > 0) {
		var neighbors = [];
		var directions = [{
			x: 0,
			y: -2
		},
		// North
		{
			x: 2,
			y: 0
		},
		// East
		{
			x: 0,
			y: 2
		},
		// South
		{
			x: -2,
			y: 0
		} // West
		];
		// Find unvisited neighbors
		for (var i = 0; i < directions.length; i++) {
			var nx = currentX + directions[i].x;
			var ny = currentY + directions[i].y;
			if (nx > 0 && nx < mazeWidth - 1 && ny > 0 && ny < mazeHeight - 1 && mazeGrid[ny][nx] === 0) {
				neighbors.push({
					x: nx,
					y: ny,
					dir: directions[i]
				});
			}
		}
		if (neighbors.length > 0) {
			// Choose random neighbor
			var randomNeighbor = neighbors[Math.floor(Math.random() * neighbors.length)];
			var nextX = randomNeighbor.x;
			var nextY = randomNeighbor.y;
			var wallX = currentX + randomNeighbor.dir.x / 2;
			var wallY = currentY + randomNeighbor.dir.y / 2;
			// Remove wall between current and next cell
			mazeGrid[wallY][wallX] = 1;
			mazeGrid[nextY][nextX] = 1;
			// Move to next cell
			currentX = nextX;
			currentY = nextY;
			stack.push({
				x: currentX,
				y: currentY
			});
		} else {
			// Backtrack
			var prev = stack.pop();
			if (stack.length > 0) {
				currentX = stack[stack.length - 1].x;
				currentY = stack[stack.length - 1].y;
			}
		}
	}
	// Add some random openings for better gameplay
	for (var y = 2; y < mazeHeight - 2; y += 2) {
		for (var x = 2; x < mazeWidth - 2; x += 2) {
			if (Math.random() < 0.15) {
				// Create random opening
				var openingDirs = [{
					x: 1,
					y: 0
				}, {
					x: -1,
					y: 0
				}, {
					x: 0,
					y: 1
				}, {
					x: 0,
					y: -1
				}];
				var randomDir = openingDirs[Math.floor(Math.random() * openingDirs.length)];
				var openX = x + randomDir.x;
				var openY = y + randomDir.y;
				if (openX > 0 && openX < mazeWidth - 1 && openY > 0 && openY < mazeHeight - 1) {
					mazeGrid[openY][openX] = 1;
				}
			}
		}
	}
	// Create visual maze from grid
	for (var y = 0; y < mazeHeight; y++) {
		for (var x = 0; x < mazeWidth; x++) {
			var cellType = mazeGrid[y][x] === 1 ? 'path' : 'wall';
			var cell = new MazeCell(cellType);
			cell.x = x * cellSize + cellSize / 2;
			cell.y = y * cellSize + cellSize / 2;
			maze[y][x] = cell;
			mazeContainer.addChild(cell);
		}
	}
	// Place black hole exit
	placeBlackHole();
}
function placeBlackHole() {
	// Find all path cells in the bottom areas of the maze
	var pathCells = [];
	// Start from bottom and work upward to find suitable path cells
	for (var y = mazeHeight - 2; y >= Math.max(1, mazeHeight - 6); y--) {
		for (var x = 1; x < mazeWidth - 1; x++) {
			if (maze[y] && maze[y][x] && maze[y][x].cellType === 'path') {
				// Count how many neighboring cells are paths
				var neighborCount = 0;
				var directions = [{
					x: 0,
					y: -1
				}, {
					x: 1,
					y: 0
				}, {
					x: 0,
					y: 1
				}, {
					x: -1,
					y: 0
				}];
				for (var i = 0; i < directions.length; i++) {
					var nx = x + directions[i].x;
					var ny = y + directions[i].y;
					if (nx >= 0 && nx < mazeWidth && ny >= 0 && ny < mazeHeight && maze[ny] && maze[ny][nx] && maze[ny][nx].cellType === 'path') {
						neighborCount++;
					}
				}
				pathCells.push({
					x: x,
					y: y,
					neighbors: neighborCount,
					priority: (mazeHeight - y) * 10 + (4 - neighborCount) // Prefer bottom cells with fewer neighbors
				});
			}
		}
	}
	// If no path cells found in bottom area, expand search
	if (pathCells.length === 0) {
		for (var y = 1; y < mazeHeight - 1; y++) {
			for (var x = 1; x < mazeWidth - 1; x++) {
				if (maze[y] && maze[y][x] && maze[y][x].cellType === 'path') {
					pathCells.push({
						x: x,
						y: y,
						neighbors: 1,
						priority: 1
					});
				}
			}
		}
	}
	// If still no path cells found, create one by forcing a path
	if (pathCells.length === 0) {
		// Find middle of bottom row and force it to be a path
		var bottomY = mazeHeight - 2;
		var middleX = Math.floor(mazeWidth / 2);
		if (maze[bottomY] && maze[bottomY][middleX]) {
			maze[bottomY][middleX].destroy();
			var pathCell = new MazeCell('path');
			pathCell.x = middleX * cellSize + cellSize / 2;
			pathCell.y = bottomY * cellSize + cellSize / 2;
			maze[bottomY][middleX] = pathCell;
			mazeContainer.addChild(pathCell);
			pathCells.push({
				x: middleX,
				y: bottomY,
				neighbors: 1,
				priority: 100
			});
		}
	}
	if (pathCells.length > 0) {
		// Choose the path cell with highest priority (bottom-most with fewest neighbors)
		pathCells.sort(function (a, b) {
			return b.priority - a.priority;
		});
		var bestCell = pathCells[0];
		blackholeX = bestCell.x;
		blackholeY = bestCell.y;
		// Replace path with black hole
		if (maze[blackholeY] && maze[blackholeY][blackholeX]) {
			maze[blackholeY][blackholeX].destroy();
			var blackhole = new MazeCell('blackhole');
			blackhole.x = blackholeX * cellSize + cellSize / 2;
			blackhole.y = blackholeY * cellSize + cellSize / 2;
			maze[blackholeY][blackholeX] = blackhole;
			mazeContainer.addChild(blackhole);
		}
	}
}
function addBounceEffect() {
	// Add visual squash effect when bouncing
	tween.stop(ball, {
		scaleX: true,
		scaleY: true
	});
	tween(ball, {
		scaleX: 1.3,
		scaleY: 0.7
	}, {
		duration: 150,
		easing: tween.easeOut,
		onFinish: function onFinish() {
			tween(ball, {
				scaleX: 1,
				scaleY: 1
			}, {
				duration: 200,
				easing: tween.bounceOut
			});
		}
	});
}
function checkBallCollisions() {
	var ballMazeX = Math.floor((ball.x - mazeContainer.x) / cellSize);
	var ballMazeY = Math.floor((ball.y - mazeContainer.y) / cellSize);
	// Check if ball is trying to move outside maze boundaries
	if (ballMazeX < 0 || ballMazeX >= mazeWidth || ballMazeY < 0 || ballMazeY >= mazeHeight) {
		// Keep ball within maze bounds and bounce
		if (ball.x < mazeContainer.x + cellSize / 2) {
			ball.x = mazeContainer.x + cellSize / 2;
			ball.velocityX = Math.abs(ball.velocityX) * ball.bounceForce;
		}
		if (ball.x > mazeContainer.x + (mazeWidth - 1) * cellSize + cellSize / 2) {
			ball.x = mazeContainer.x + (mazeWidth - 1) * cellSize + cellSize / 2;
			ball.velocityX = -Math.abs(ball.velocityX) * ball.bounceForce;
		}
		if (ball.y < mazeContainer.y + cellSize / 2) {
			ball.y = mazeContainer.y + cellSize / 2;
			ball.velocityY = Math.abs(ball.velocityY) * ball.bounceForce;
		}
		if (ball.y > mazeContainer.y + (mazeHeight - 1) * cellSize + cellSize / 2) {
			ball.y = mazeContainer.y + (mazeHeight - 1) * cellSize + cellSize / 2;
			ball.velocityY = -Math.abs(ball.velocityY) * ball.bounceForce;
		}
		addBounceEffect();
		LK.getSound('bounce').play();
		return;
	}
	var currentCell = maze[ballMazeY][ballMazeX];
	// Check if ball is in a wall cell - if so, push it back to nearest path
	if (currentCell && currentCell.cellType === 'wall') {
		// Find the nearest path cell
		var nearestPath = null;
		var minDistance = Infinity;
		for (var y = 0; y < mazeHeight; y++) {
			for (var x = 0; x < mazeWidth; x++) {
				if (maze[y] && maze[y][x] && (maze[y][x].cellType === 'path' || maze[y][x].cellType === 'blackhole')) {
					var pathCenterX = mazeContainer.x + x * cellSize + cellSize / 2;
					var pathCenterY = mazeContainer.y + y * cellSize + cellSize / 2;
					var distance = Math.sqrt(Math.pow(ball.x - pathCenterX, 2) + Math.pow(ball.y - pathCenterY, 2));
					if (distance < minDistance) {
						minDistance = distance;
						nearestPath = {
							x: pathCenterX,
							y: pathCenterY
						};
					}
				}
			}
		}
		if (nearestPath) {
			// Push ball to nearest path
			var directionX = nearestPath.x - ball.x;
			var directionY = nearestPath.y - ball.y;
			var distance = Math.sqrt(directionX * directionX + directionY * directionY);
			if (distance > 0) {
				directionX /= distance;
				directionY /= distance;
				ball.x = nearestPath.x - directionX * 10;
				ball.y = nearestPath.y - directionY * 10;
			}
			// Bounce off wall
			ball.velocityX = -ball.velocityX * ball.bounceForce;
			ball.velocityY = -ball.velocityY * ball.bounceForce;
		}
		addBounceEffect();
		LK.getSound('bounce').play();
	} else if (currentCell && currentCell.cellType === 'blackhole') {
		// Check if ball is close enough to black hole center
		var blackholeCenterX = mazeContainer.x + blackholeX * cellSize + cellSize / 2;
		var blackholeCenterY = mazeContainer.y + blackholeY * cellSize + cellSize / 2;
		var distance = Math.sqrt(Math.pow(ball.x - blackholeCenterX, 2) + Math.pow(ball.y - blackholeCenterY, 2));
		if (distance < 30 && !gameWon) {
			gameWon = true;
			LK.getSound('win').play();
			LK.setScore(LK.getScore() + 1);
			scoreText.setText('Level: ' + (LK.getScore() + 1));
			// Flash effect
			LK.effects.flashScreen(0x00ff00, 1000);
			// Reset for next level
			LK.setTimeout(function () {
				resetLevel();
			}, 1000);
		}
	}
}
function resetLevel() {
	gameWon = false;
	timeLeft = 60;
	// Reset ball position
	ball.x = mazeContainer.x + cellSize * 1.5;
	ball.y = mazeContainer.y + cellSize * 1.5;
	ball.velocityX = 0;
	ball.velocityY = 0;
	// Generate new maze
	generateMaze();
}
// Initialize ball
ball = game.addChild(new Ball());
ball.x = mazeContainer.x + cellSize * 1.5;
ball.y = mazeContainer.y + cellSize * 1.5;
// Touch controls
game.down = function (x, y, obj) {
	if (gameWon) return;
	// Determine tap location and apply directional force
	var screenWidth = 2048;
	var tapX = x;
	var jumpForce = -15; // Negative for upward movement - increased for heavier ball
	var sideForce = 10; // Horizontal force for left/right bouncing - increased for heavier ball
	if (tapX < screenWidth / 3) {
		// Left tap - bounce left and up
		ball.addForce(-sideForce, jumpForce);
	} else if (tapX > screenWidth * 2 / 3) {
		// Right tap - bounce right and up  
		ball.addForce(sideForce, jumpForce);
	} else {
		// Center tap - bounce straight up
		ball.addForce(0, jumpForce);
	}
};
// Generate initial maze
generateMaze();
// Timer countdown
var timerInterval = LK.setInterval(function () {
	if (gameWon) return;
	timeLeft--;
	timerText.setText(timeLeft.toString());
	if (timeLeft <= 0) {
		timeLeft = 60;
		generateMaze();
		timerText.setText('60');
		// Flash red to indicate maze change
		LK.effects.flashScreen(0xff0000, 500);
	}
}, 1000);
game.update = function () {
	// Game updates are handled by individual object update methods
};

===================================================================
--- original.js
+++ change.js
@@ -13,12 +13,12 @@
 		anchorY: 0.5
 	});
 	self.velocityX = 0;
 	self.velocityY = 0;
-	self.gravity = 0.5;
-	self.friction = 0.98;
-	self.bounceForce = 0.8;
-	self.maxSpeed = 15;
+	self.gravity = 1.2;
+	self.friction = 0.95;
+	self.bounceForce = 0.6;
+	self.maxSpeed = 20;
 	self.update = function () {
 		// Apply gravity
 		self.velocityY += self.gravity;
 		// Apply friction
@@ -326,8 +326,31 @@
 			mazeContainer.addChild(blackhole);
 		}
 	}
 }
+function addBounceEffect() {
+	// Add visual squash effect when bouncing
+	tween.stop(ball, {
+		scaleX: true,
+		scaleY: true
+	});
+	tween(ball, {
+		scaleX: 1.3,
+		scaleY: 0.7
+	}, {
+		duration: 150,
+		easing: tween.easeOut,
+		onFinish: function onFinish() {
+			tween(ball, {
+				scaleX: 1,
+				scaleY: 1
+			}, {
+				duration: 200,
+				easing: tween.bounceOut
+			});
+		}
+	});
+}
 function checkBallCollisions() {
 	var ballMazeX = Math.floor((ball.x - mazeContainer.x) / cellSize);
 	var ballMazeY = Math.floor((ball.y - mazeContainer.y) / cellSize);
 	// Check if ball is trying to move outside maze boundaries
@@ -348,8 +371,9 @@
 		if (ball.y > mazeContainer.y + (mazeHeight - 1) * cellSize + cellSize / 2) {
 			ball.y = mazeContainer.y + (mazeHeight - 1) * cellSize + cellSize / 2;
 			ball.velocityY = -Math.abs(ball.velocityY) * ball.bounceForce;
 		}
+		addBounceEffect();
 		LK.getSound('bounce').play();
 		return;
 	}
 	var currentCell = maze[ballMazeY][ballMazeX];
@@ -388,8 +412,9 @@
 			// Bounce off wall
 			ball.velocityX = -ball.velocityX * ball.bounceForce;
 			ball.velocityY = -ball.velocityY * ball.bounceForce;
 		}
+		addBounceEffect();
 		LK.getSound('bounce').play();
 	} else if (currentCell && currentCell.cellType === 'blackhole') {
 		// Check if ball is close enough to black hole center
 		var blackholeCenterX = mazeContainer.x + blackholeX * cellSize + cellSize / 2;
@@ -429,10 +454,10 @@
 	if (gameWon) return;
 	// Determine tap location and apply directional force
 	var screenWidth = 2048;
 	var tapX = x;
-	var jumpForce = -12; // Negative for upward movement
-	var sideForce = 8; // Horizontal force for left/right bouncing
+	var jumpForce = -15; // Negative for upward movement - increased for heavier ball
+	var sideForce = 10; // Horizontal force for left/right bouncing - increased for heavier ball
 	if (tapX < screenWidth / 3) {
 		// Left tap - bounce left and up
 		ball.addForce(-sideForce, jumpForce);
 	} else if (tapX > screenWidth * 2 / 3) {