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

/**** 
* Classes
****/ 
var Gem = Container.expand(function (gemType, gridX, gridY) {
	var self = Container.call(this);
	self.gemType = gemType;
	self.gridX = gridX;
	self.gridY = gridY;
	self.isAnimating = false;
	var gemAssets = ['gemRed', 'gemBlue', 'gemGreen', 'gemYellow', 'gemPurple', 'gemOrange'];
	var gemGraphics = self.attachAsset(gemAssets[gemType], {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.setGridPosition = function (x, y) {
		self.gridX = x;
		self.gridY = y;
	};
	self.animateToPosition = function (targetX, targetY, duration, onComplete) {
		if (!duration) duration = 200;
		self.isAnimating = true;
		tween(self, {
			x: targetX,
			y: targetY
		}, {
			duration: duration,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				self.isAnimating = false;
				if (onComplete) onComplete();
			}
		});
	};
	self.destroy = function () {
		if (self.parent) {
			self.parent.removeChild(self);
		}
	};
	return self;
});
var Particle = Container.expand(function (x, y, color) {
	var self = Container.call(this);
	var particleGraphics = self.attachAsset('particle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Set particle color
	particleGraphics.tint = color;
	// Set initial position
	self.x = x;
	self.y = y;
	// Random velocity
	self.velocityX = (Math.random() - 0.5) * 300;
	self.velocityY = (Math.random() - 0.5) * 300;
	self.gravity = 500;
	self.life = 1.0;
	self.fadeSpeed = 2.0;
	self.update = function () {
		// Update position based on velocity
		self.x += self.velocityX * (1 / 60);
		self.y += self.velocityY * (1 / 60);
		// Apply gravity
		self.velocityY += self.gravity * (1 / 60);
		// Fade out over time
		self.life -= self.fadeSpeed * (1 / 60);
		self.alpha = Math.max(0, self.life);
		// Remove when fully faded
		if (self.life <= 0) {
			self.destroy();
		}
	};
	self.destroy = function () {
		if (self.parent) {
			self.parent.removeChild(self);
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2C1810
});

/**** 
* Game Code
****/ 
var GRID_SIZE = 8;
var CELL_SIZE = 200;
var BOARD_OFFSET_X = (2048 - GRID_SIZE * CELL_SIZE) / 2;
var BOARD_OFFSET_Y = 200;
var gameBoard = [];
var selectedGem = null;
var draggedGem = null;
var dragStartPos = null;
var isDragging = false;
var isSwapping = false;
var score = 0;
var comboMultiplier = 1;
// Create explosion effect at gem position
function createExplosion(x, y, gemColor) {
	var particleCount = 12;
	var gemColors = [0xff4444, 0x4444ff, 0x44ff44, 0xffff44, 0xff44ff, 0xff8844];
	var color = gemColors[gemColor] || 0xffffff;
	for (var i = 0; i < particleCount; i++) {
		var particle = new Particle(x, y, color);
		game.addChild(particle);
	}
}
// Add screen shake effect
function shakeScreen(intensity, duration) {
	var originalX = game.x;
	var originalY = game.y;
	var shakeTimer = 0;
	var shakeInterval = LK.setInterval(function () {
		shakeTimer += 16;
		var shakeX = (Math.random() - 0.5) * intensity;
		var shakeY = (Math.random() - 0.5) * intensity;
		game.x = originalX + shakeX;
		game.y = originalY + shakeY;
		if (shakeTimer >= duration) {
			LK.clearInterval(shakeInterval);
			game.x = originalX;
			game.y = originalY;
		}
	}, 16);
}
// Add screen flash effect with color tinting
function flashScreenColor(color, duration) {
	LK.effects.flashScreen(color, duration);
}
// Add gem scaling bounce effect
function bounceGem(gem) {
	tween(gem, {
		scaleX: 1.3,
		scaleY: 1.3
	}, {
		duration: 100,
		easing: tween.easeOut,
		onFinish: function onFinish() {
			tween(gem, {
				scaleX: 1.0,
				scaleY: 1.0
			}, {
				duration: 100,
				easing: tween.bounceOut
			});
		}
	});
}
// Create board background
var boardBg = game.attachAsset('boardBg', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: BOARD_OFFSET_Y + GRID_SIZE * CELL_SIZE / 2
});
// Create score display
var scoreTxt = new Text2('Score: 0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
scoreTxt.y = 100;
// Initialize empty board
function initializeBoard() {
	gameBoard = [];
	for (var x = 0; x < GRID_SIZE; x++) {
		gameBoard[x] = [];
		for (var y = 0; y < GRID_SIZE; y++) {
			gameBoard[x][y] = null;
		}
	}
}
// Fill board with random gems
function fillBoard() {
	for (var x = 0; x < GRID_SIZE; x++) {
		for (var y = 0; y < GRID_SIZE; y++) {
			if (!gameBoard[x][y]) {
				var gemType = Math.floor(Math.random() * 6);
				var gem = new Gem(gemType, x, y);
				var worldPos = gridToWorld(x, y);
				gem.x = worldPos.x;
				gem.y = worldPos.y;
				gameBoard[x][y] = gem;
				game.addChild(gem);
			}
		}
	}
}
// Convert grid coordinates to world coordinates
function gridToWorld(gridX, gridY) {
	return {
		x: BOARD_OFFSET_X + gridX * CELL_SIZE + CELL_SIZE / 2,
		y: BOARD_OFFSET_Y + gridY * CELL_SIZE + CELL_SIZE / 2
	};
}
// Convert world coordinates to grid coordinates
function worldToGrid(worldX, worldY) {
	var gridX = Math.floor((worldX - BOARD_OFFSET_X) / CELL_SIZE);
	var gridY = Math.floor((worldY - BOARD_OFFSET_Y) / CELL_SIZE);
	if (gridX < 0 || gridX >= GRID_SIZE || gridY < 0 || gridY >= GRID_SIZE) {
		return null;
	}
	return {
		x: gridX,
		y: gridY
	};
}
// Check if two grid positions are adjacent
function areAdjacent(pos1, pos2) {
	var dx = Math.abs(pos1.x - pos2.x);
	var dy = Math.abs(pos1.y - pos2.y);
	return dx === 1 && dy === 0 || dx === 0 && dy === 1;
}
// Check for matches starting at position
function checkMatches(startX, startY) {
	var gem = gameBoard[startX][startY];
	if (!gem) return [];
	var matches = [];
	var gemType = gem.gemType;
	// Check horizontal matches
	var horizontalMatches = [gem];
	// Check left
	for (var x = startX - 1; x >= 0; x--) {
		if (gameBoard[x][startY] && gameBoard[x][startY].gemType === gemType) {
			horizontalMatches.unshift(gameBoard[x][startY]);
		} else {
			break;
		}
	}
	// Check right
	for (var x = startX + 1; x < GRID_SIZE; x++) {
		if (gameBoard[x][startY] && gameBoard[x][startY].gemType === gemType) {
			horizontalMatches.push(gameBoard[x][startY]);
		} else {
			break;
		}
	}
	if (horizontalMatches.length >= 3) {
		matches = matches.concat(horizontalMatches);
	}
	// Check vertical matches
	var verticalMatches = [gem];
	// Check up
	for (var y = startY - 1; y >= 0; y--) {
		if (gameBoard[startX][y] && gameBoard[startX][y].gemType === gemType) {
			verticalMatches.unshift(gameBoard[startX][y]);
		} else {
			break;
		}
	}
	// Check down
	for (var y = startY + 1; y < GRID_SIZE; y++) {
		if (gameBoard[startX][y] && gameBoard[startX][y].gemType === gemType) {
			verticalMatches.push(gameBoard[startX][y]);
		} else {
			break;
		}
	}
	if (verticalMatches.length >= 3) {
		matches = matches.concat(verticalMatches);
	}
	// Remove duplicates
	var uniqueMatches = [];
	for (var i = 0; i < matches.length; i++) {
		var found = false;
		for (var j = 0; j < uniqueMatches.length; j++) {
			if (matches[i] === uniqueMatches[j]) {
				found = true;
				break;
			}
		}
		if (!found) {
			uniqueMatches.push(matches[i]);
		}
	}
	return uniqueMatches;
}
// Find all matches on the board
function findAllMatches() {
	var allMatches = [];
	var processedGems = [];
	for (var x = 0; x < GRID_SIZE; x++) {
		for (var y = 0; y < GRID_SIZE; y++) {
			if (gameBoard[x][y]) {
				var matches = checkMatches(x, y);
				for (var i = 0; i < matches.length; i++) {
					var gem = matches[i];
					var found = false;
					for (var j = 0; j < processedGems.length; j++) {
						if (processedGems[j] === gem) {
							found = true;
							break;
						}
					}
					if (!found) {
						allMatches.push(gem);
						processedGems.push(gem);
					}
				}
			}
		}
	}
	return allMatches;
}
// Clear matched gems
function clearMatches(matches) {
	if (matches.length === 0) return;
	LK.getSound('match').play();
	var points = matches.length * 10 * comboMultiplier;
	score += points;
	scoreTxt.setText('Score: ' + score);
	// Enhanced effects based on match size
	if (matches.length >= 5) {
		// Large match - intense effects
		shakeScreen(20, 300);
		flashScreenColor(0xffffff, 400);
	} else if (matches.length >= 4) {
		// Medium match - moderate effects
		shakeScreen(12, 200);
		flashScreenColor(0xffff00, 300);
	} else {
		// Small match - subtle effects
		shakeScreen(6, 150);
	}
	for (var i = 0; i < matches.length; i++) {
		var gem = matches[i];
		// Add scaling effect before destruction
		tween(gem, {
			scaleX: 1.5,
			scaleY: 1.5,
			alpha: 0.3
		}, {
			duration: 150,
			easing: tween.easeIn
		});
		// Create explosion effect at gem position
		createExplosion(gem.x, gem.y, gem.gemType);
		gameBoard[gem.gridX][gem.gridY] = null;
		// Delay gem destruction to allow scaling animation
		LK.setTimeout(function (destroyGem) {
			return function () {
				destroyGem.destroy();
			};
		}(gem), 150);
	}
	// After clearing gems, apply gravity and fill empty spaces
	LK.setTimeout(function () {
		var moved = applyGravity();
		fillEmptySpaces();
		// Check for new matches after falling gems settle
		LK.setTimeout(function () {
			var newMatches = findAllMatches();
			if (newMatches.length > 0) {
				comboMultiplier++;
				clearMatches(newMatches);
			} else {
				comboMultiplier = 1;
				isSwapping = false;
			}
		}, 500);
	}, 200);
}
// Apply gravity to make gems fall
function applyGravity() {
	var moved = false;
	for (var x = 0; x < GRID_SIZE; x++) {
		for (var y = GRID_SIZE - 1; y >= 0; y--) {
			if (!gameBoard[x][y]) {
				// Find gem above to fall down
				for (var searchY = y - 1; searchY >= 0; searchY--) {
					if (gameBoard[x][searchY]) {
						var gem = gameBoard[x][searchY];
						gameBoard[x][y] = gem;
						gameBoard[x][searchY] = null;
						gem.setGridPosition(x, y);
						var worldPos = gridToWorld(x, y);
						gem.animateToPosition(worldPos.x, worldPos.y, 300);
						// Add bounce effect when gem lands
						LK.setTimeout(function (bounceGem) {
							return function () {
								bounceGem(bounceGem);
							};
						}(gem), 300);
						moved = true;
						break;
					}
				}
			}
		}
	}
	return moved;
}
// Fill empty spaces with new gems
function fillEmptySpaces() {
	for (var x = 0; x < GRID_SIZE; x++) {
		for (var y = 0; y < GRID_SIZE; y++) {
			if (!gameBoard[x][y]) {
				var gemType = Math.floor(Math.random() * 6);
				var gem = new Gem(gemType, x, y);
				var worldPos = gridToWorld(x, y);
				gem.x = worldPos.x;
				gem.y = worldPos.y - GRID_SIZE * CELL_SIZE;
				gameBoard[x][y] = gem;
				game.addChild(gem);
				gem.animateToPosition(worldPos.x, worldPos.y, 400);
				// Add bounce effect when new gem lands
				LK.setTimeout(function (bounceGem) {
					return function () {
						bounceGem(bounceGem);
					};
				}(gem), 400);
			}
		}
	}
}
// Swap two gems
function swapGems(gem1, gem2) {
	if (isSwapping) return;
	isSwapping = true;
	// Store original positions
	var originalGem1X = gem1.gridX;
	var originalGem1Y = gem1.gridY;
	var originalGem2X = gem2.gridX;
	var originalGem2Y = gem2.gridY;
	// Update grid positions
	gem1.setGridPosition(gem2.gridX, gem2.gridY);
	gem2.setGridPosition(originalGem1X, originalGem1Y);
	gameBoard[gem1.gridX][gem1.gridY] = gem1;
	gameBoard[gem2.gridX][gem2.gridY] = gem2;
	var pos1 = gridToWorld(gem1.gridX, gem1.gridY);
	var pos2 = gridToWorld(gem2.gridX, gem2.gridY);
	// Animate the swap
	gem1.animateToPosition(pos1.x, pos1.y, 200);
	gem2.animateToPosition(pos2.x, pos2.y, 200);
	LK.setTimeout(function () {
		var matches = findAllMatches();
		if (matches.length > 0) {
			// Valid swap - play sound and process matches
			LK.getSound('swap').play();
			clearMatches(matches);
		} else {
			// Invalid move - animate back to original positions
			gem1.setGridPosition(originalGem1X, originalGem1Y);
			gem2.setGridPosition(originalGem2X, originalGem2Y);
			gameBoard[gem1.gridX][gem1.gridY] = gem1;
			gameBoard[gem2.gridX][gem2.gridY] = gem2;
			var pos1 = gridToWorld(gem1.gridX, gem1.gridY);
			var pos2 = gridToWorld(gem2.gridX, gem2.gridY);
			gem1.animateToPosition(pos1.x, pos1.y, 200);
			gem2.animateToPosition(pos2.x, pos2.y, 200);
			LK.setTimeout(function () {
				isSwapping = false;
			}, 200);
		}
	}, 200);
}
// Game input handling
game.down = function (x, y, obj) {
	if (isSwapping) return;
	var gridPos = worldToGrid(x, y);
	if (!gridPos) return;
	var clickedGem = gameBoard[gridPos.x][gridPos.y];
	if (!clickedGem) return;
	draggedGem = clickedGem;
	dragStartPos = {
		x: x,
		y: y
	};
	isDragging = true;
	draggedGem.alpha = 0.7;
	// Add glowing effect to selected gem
	tween(draggedGem, {
		tint: 0xffffff
	}, {
		duration: 200,
		easing: tween.easeInOut
	});
	bounceGem(draggedGem);
};
game.move = function (x, y, obj) {
	if (!isDragging || !draggedGem || isSwapping) return;
	// Calculate drag distance
	var dragDeltaX = x - dragStartPos.x;
	var dragDeltaY = y - dragStartPos.y;
	var dragDistance = Math.sqrt(dragDeltaX * dragDeltaX + dragDeltaY * dragDeltaY);
	// Only process if drag distance is significant enough
	if (dragDistance > CELL_SIZE * 0.3) {
		// Determine drag direction
		var targetGridX = draggedGem.gridX;
		var targetGridY = draggedGem.gridY;
		if (Math.abs(dragDeltaX) > Math.abs(dragDeltaY)) {
			// Horizontal drag
			if (dragDeltaX > 0) {
				targetGridX = Math.min(GRID_SIZE - 1, draggedGem.gridX + 1);
			} else {
				targetGridX = Math.max(0, draggedGem.gridX - 1);
			}
		} else {
			// Vertical drag
			if (dragDeltaY > 0) {
				targetGridY = Math.min(GRID_SIZE - 1, draggedGem.gridY + 1);
			} else {
				targetGridY = Math.max(0, draggedGem.gridY - 1);
			}
		}
		// Update visual position to show intended swap
		var targetWorldPos = gridToWorld(targetGridX, targetGridY);
		draggedGem.x = targetWorldPos.x;
		draggedGem.y = targetWorldPos.y;
		// Store target position for later use
		draggedGem.targetGridX = targetGridX;
		draggedGem.targetGridY = targetGridY;
	}
};
game.up = function (x, y, obj) {
	if (!isDragging || !draggedGem || isSwapping) return;
	var startGridPos = {
		x: draggedGem.gridX,
		y: draggedGem.gridY
	};
	// Check if we have a target position from dragging
	if (draggedGem.targetGridX !== undefined && draggedGem.targetGridY !== undefined) {
		var targetGridPos = {
			x: draggedGem.targetGridX,
			y: draggedGem.targetGridY
		};
		// Check if target position is valid and adjacent
		if (areAdjacent(startGridPos, targetGridPos) && gameBoard[targetGridPos.x][targetGridPos.y]) {
			var targetGem = gameBoard[targetGridPos.x][targetGridPos.y];
			// Attempt swap
			swapGems(draggedGem, targetGem);
		} else {
			// Invalid swap - animate back to original position
			var worldPos = gridToWorld(draggedGem.gridX, draggedGem.gridY);
			draggedGem.animateToPosition(worldPos.x, worldPos.y, 200);
		}
		// Clean up target position
		draggedGem.targetGridX = undefined;
		draggedGem.targetGridY = undefined;
	} else {
		// No significant drag - just return to original position
		var worldPos = gridToWorld(draggedGem.gridX, draggedGem.gridY);
		draggedGem.animateToPosition(worldPos.x, worldPos.y, 200);
	}
	draggedGem.alpha = 1.0;
	// Reset tint to original color
	tween.stop(draggedGem, {
		tint: true
	});
	draggedGem.tint = 0xffffff;
	draggedGem = null;
	dragStartPos = null;
	isDragging = false;
};
// Initialize the game
initializeBoard();
fillBoard();
// Initial match clearing
LK.setTimeout(function () {
	var matches = findAllMatches();
	if (matches.length > 0) {
		clearMatches(matches);
	}
}, 100);
;

===================================================================
--- original.js
+++ change.js
@@ -105,16 +105,57 @@
 var score = 0;
 var comboMultiplier = 1;
 // Create explosion effect at gem position
 function createExplosion(x, y, gemColor) {
-	var particleCount = 8;
-	var gemColors = [0xaa6666, 0x6666aa, 0x66aa66, 0xaaaa66, 0xaa66aa, 0xaa7755];
+	var particleCount = 12;
+	var gemColors = [0xff4444, 0x4444ff, 0x44ff44, 0xffff44, 0xff44ff, 0xff8844];
 	var color = gemColors[gemColor] || 0xffffff;
 	for (var i = 0; i < particleCount; i++) {
 		var particle = new Particle(x, y, color);
 		game.addChild(particle);
 	}
 }
+// Add screen shake effect
+function shakeScreen(intensity, duration) {
+	var originalX = game.x;
+	var originalY = game.y;
+	var shakeTimer = 0;
+	var shakeInterval = LK.setInterval(function () {
+		shakeTimer += 16;
+		var shakeX = (Math.random() - 0.5) * intensity;
+		var shakeY = (Math.random() - 0.5) * intensity;
+		game.x = originalX + shakeX;
+		game.y = originalY + shakeY;
+		if (shakeTimer >= duration) {
+			LK.clearInterval(shakeInterval);
+			game.x = originalX;
+			game.y = originalY;
+		}
+	}, 16);
+}
+// Add screen flash effect with color tinting
+function flashScreenColor(color, duration) {
+	LK.effects.flashScreen(color, duration);
+}
+// Add gem scaling bounce effect
+function bounceGem(gem) {
+	tween(gem, {
+		scaleX: 1.3,
+		scaleY: 1.3
+	}, {
+		duration: 100,
+		easing: tween.easeOut,
+		onFinish: function onFinish() {
+			tween(gem, {
+				scaleX: 1.0,
+				scaleY: 1.0
+			}, {
+				duration: 100,
+				easing: tween.bounceOut
+			});
+		}
+	});
+}
 // Create board background
 var boardBg = game.attachAsset('boardBg', {
 	anchorX: 0.5,
 	anchorY: 0.5,
@@ -277,14 +318,41 @@
 	LK.getSound('match').play();
 	var points = matches.length * 10 * comboMultiplier;
 	score += points;
 	scoreTxt.setText('Score: ' + score);
+	// Enhanced effects based on match size
+	if (matches.length >= 5) {
+		// Large match - intense effects
+		shakeScreen(20, 300);
+		flashScreenColor(0xffffff, 400);
+	} else if (matches.length >= 4) {
+		// Medium match - moderate effects
+		shakeScreen(12, 200);
+		flashScreenColor(0xffff00, 300);
+	} else {
+		// Small match - subtle effects
+		shakeScreen(6, 150);
+	}
 	for (var i = 0; i < matches.length; i++) {
 		var gem = matches[i];
+		// Add scaling effect before destruction
+		tween(gem, {
+			scaleX: 1.5,
+			scaleY: 1.5,
+			alpha: 0.3
+		}, {
+			duration: 150,
+			easing: tween.easeIn
+		});
 		// Create explosion effect at gem position
 		createExplosion(gem.x, gem.y, gem.gemType);
 		gameBoard[gem.gridX][gem.gridY] = null;
-		gem.destroy();
+		// Delay gem destruction to allow scaling animation
+		LK.setTimeout(function (destroyGem) {
+			return function () {
+				destroyGem.destroy();
+			};
+		}(gem), 150);
 	}
 	// After clearing gems, apply gravity and fill empty spaces
 	LK.setTimeout(function () {
 		var moved = applyGravity();
@@ -316,8 +384,14 @@
 						gameBoard[x][searchY] = null;
 						gem.setGridPosition(x, y);
 						var worldPos = gridToWorld(x, y);
 						gem.animateToPosition(worldPos.x, worldPos.y, 300);
+						// Add bounce effect when gem lands
+						LK.setTimeout(function (bounceGem) {
+							return function () {
+								bounceGem(bounceGem);
+							};
+						}(gem), 300);
 						moved = true;
 						break;
 					}
 				}
@@ -338,8 +412,14 @@
 				gem.y = worldPos.y - GRID_SIZE * CELL_SIZE;
 				gameBoard[x][y] = gem;
 				game.addChild(gem);
 				gem.animateToPosition(worldPos.x, worldPos.y, 400);
+				// Add bounce effect when new gem lands
+				LK.setTimeout(function (bounceGem) {
+					return function () {
+						bounceGem(bounceGem);
+					};
+				}(gem), 400);
 			}
 		}
 	}
 }
@@ -397,8 +477,16 @@
 		y: y
 	};
 	isDragging = true;
 	draggedGem.alpha = 0.7;
+	// Add glowing effect to selected gem
+	tween(draggedGem, {
+		tint: 0xffffff
+	}, {
+		duration: 200,
+		easing: tween.easeInOut
+	});
+	bounceGem(draggedGem);
 };
 game.move = function (x, y, obj) {
 	if (!isDragging || !draggedGem || isSwapping) return;
 	// Calculate drag distance
@@ -464,8 +552,13 @@
 		var worldPos = gridToWorld(draggedGem.gridX, draggedGem.gridY);
 		draggedGem.animateToPosition(worldPos.x, worldPos.y, 200);
 	}
 	draggedGem.alpha = 1.0;
+	// Reset tint to original color
+	tween.stop(draggedGem, {
+		tint: true
+	});
+	draggedGem.tint = 0xffffff;
 	draggedGem = null;
 	dragStartPos = null;
 	isDragging = false;
 };