/**** 
* Classes
****/ 
// Class for the base block
var BaseBlock = Container.expand(function () {
	var self = Container.call(this);
	var baseBlockGraphics = self.attachAsset('block', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});
// Class for the blocks
var Block = Container.expand(function () {
	var self = Container.call(this);
	var blockGraphics = self.attachAsset('block', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2,
		scaleY: 2
	});
	self.falling = false;
	self.isRemoving = false; // Flag to indicate if the block is being removed
	self.removeSpeed = 5; // Speed of the removal animation
	self.removeDirection = -1; // -1 for sliding down, 1 for sliding up
	self.update = function () {
		if (self.falling) {
			self.y += self.speed;
			self.x += self.momentum;
		} else if (self.isRemoving) {
			self.x -= self.removeSpeed; // Slide to the left
			if (self.x < -self.width) {
				self.removeComplete = true; // Mark removal as complete
			}
		}
	};
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Class for the swinging crane
var Crane = Container.expand(function () {
	var self = Container.call(this);
	var craneGraphics = self.attachAsset('crane', {
		anchorX: 0.5,
		anchorY: 0.0
	});
	self.angle = 0;
	self.speed = 0.03;
	self.direction = 1;
	self.update = function () {
		self.angle += self.speed * self.direction;
		if (self.angle > 1.5 || self.angle < -1.5) {
			self.direction *= -1;
		}
		self.rotation = self.angle;
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB // Sky blue background
});

/**** 
* Game Code
****/ 
// Initialize variables
var crane = game.addChild(new Crane());
var baseBlock = game.addChild(new BaseBlock());
baseBlock.x = 2048 / 2;
baseBlock.y = 2732 - baseBlock.height / 2;
crane.x = 2048 / 2;
crane.y = 50; // Move the crane up
var blocks = [];
var currentBlock = null;
var towerHeight = 0;
var scoreTxt = new Text2('0', {
	size: 100,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var blocksToRemove = []; // Array to hold blocks being removed
// Function to drop a block
function dropBlock() {
	if (currentBlock && !currentBlock.falling) {
		currentBlock.falling = true;
		// Calculate the horizontal speed based on the crane's angular velocity
		var horizontalSpeed = Math.sin(crane.rotation) * crane.speed * 10; // Reduced scaling factor
		currentBlock.momentum = horizontalSpeed;
		blocks.push(currentBlock);
		currentBlock = null;
	}
}
// Function to check for collisions and update score
function checkCollisions() {
	for (var i = blocks.length - 1; i >= 0; i--) {
		if (!blocks[i].falling) {
			continue;
		}
		if (blocks[i].intersects(baseBlock)) {
			blocks[i].falling = false;
			blocks[i].y = baseBlock.y - baseBlock.height / 2 - towerHeight * 100;
			towerHeight++;
			LK.setScore(towerHeight);
			scoreTxt.setText(LK.getScore());
		} else {
			for (var j = 0; j < blocks.length; j++) {
				if (i !== j && blocks[i].falling && blocks[j].y < 2732 && !blocks[j].falling && blocks[i].intersects(blocks[j])) {
					blocks[i].falling = false;
					blocks[i].y = blocks[j].y - blocks[j].height / 2 - blocks[i].height / 2;
					break;
				}
			}
			if (blocks[i].falling && blocks[i].y > 2732) {
				game.removeChild(blocks[i]);
				blocks.splice(i, 1);
				console.log("Block lost!");
			}
		}
	}
}
function removeBottomBlock() {
	if (blocks.length > 5 && blocksToRemove.length === 0) {
		var bottomBlock = null;
		for (var i = 0; i < blocks.length; i++) {
			if (!blocks[i].falling && !blocks[i].isRemoving) {
				bottomBlock = blocks[i];
				break;
			}
		}
		if (bottomBlock) {
			bottomBlock.isRemoving = true;
			blocksToRemove.push(bottomBlock);
		}
	}
}
// Game update loop
game.update = function () {
	crane.update();
	if (!currentBlock) {
		currentBlock = new Block();
		// Position the new block directly attached to the crane's end
		currentBlock.x = crane.x + Math.sin(crane.rotation) * (crane.width / 2 + currentBlock.width / 2 + 200); // Increase the length of the rope
		currentBlock.y = crane.y + Math.cos(crane.rotation) * (crane.height / 2 + currentBlock.height / 2 + 200); // Increase the length of the rope
		game.addChild(currentBlock);
	} else if (!currentBlock.falling) {
		// Update the block's position to stay synced with the crane
		currentBlock.x = crane.x + Math.sin(crane.rotation) * (crane.width / 2 + currentBlock.width / 2 + 200); // Increase the length of the rope
		currentBlock.y = crane.y + Math.cos(crane.rotation) * (crane.height / 2 + currentBlock.height / 2 + 200); // Increase the length of the rope
	}
	if (currentBlock) {
		currentBlock.update();
	}
	checkCollisions();
	// Update and remove blocks that are being removed
	for (var i = 0; i < blocksToRemove.length; i++) {
		blocksToRemove[i].update();
		if (blocksToRemove[i].removeComplete) {
			game.removeChild(blocksToRemove[i]);
			var index = blocks.indexOf(blocksToRemove[i]);
			if (index > -1) {
				blocks.splice(index, 1);
				// Adjust the y position of the remaining blocks
				for (var j = 0; j < blocks.length; j++) {
					if (!blocks[j].falling && !blocks[j].isRemoving) {
						blocks[j].y += 100;
					}
				}
				towerHeight--; // Decrease tower height as a block is removed
				LK.setScore(towerHeight);
				scoreTxt.setText(LK.getScore());
			}
			blocksToRemove.splice(i, 1);
			i--; // Adjust index after removal
		}
	}
	removeBottomBlock();
};
// Event listener for dropping blocks
game.down = function (x, y, obj) {
	dropBlock();
};

===================================================================
--- original.js
+++ change.js
@@ -1,10 +1,5 @@
 /**** 
-* Plugins
-****/ 
-var tween = LK.import("@upit/tween.v1");
-
-/**** 
 * Classes
 ****/ 
 // Class for the base block
 var BaseBlock = Container.expand(function () {
@@ -23,13 +18,20 @@
 		scaleX: 2,
 		scaleY: 2
 	});
 	self.falling = false;
-	self.speed = 5;
+	self.isRemoving = false; // Flag to indicate if the block is being removed
+	self.removeSpeed = 5; // Speed of the removal animation
+	self.removeDirection = -1; // -1 for sliding down, 1 for sliding up
 	self.update = function () {
 		if (self.falling) {
 			self.y += self.speed;
 			self.x += self.momentum;
+		} else if (self.isRemoving) {
+			self.x -= self.removeSpeed; // Slide to the left
+			if (self.x < -self.width) {
+				self.removeComplete = true; // Mark removal as complete
+			}
 		}
 	};
 });
 //<Assets used in the game will automatically appear here>
@@ -78,8 +80,9 @@
 	fill: 0xFFFFFF
 });
 scoreTxt.anchor.set(0.5, 0);
 LK.gui.top.addChild(scoreTxt);
+var blocksToRemove = []; // Array to hold blocks being removed
 // Function to drop a block
 function dropBlock() {
 	if (currentBlock && !currentBlock.falling) {
 		currentBlock.falling = true;
@@ -97,31 +100,12 @@
 			continue;
 		}
 		if (blocks[i].intersects(baseBlock)) {
 			blocks[i].falling = false;
-			blocks[i].y = baseBlock.y - baseBlock.height / 2 - blocks[i].height / 2 - towerHeight * 100;
+			blocks[i].y = baseBlock.y - baseBlock.height / 2 - towerHeight * 100;
 			towerHeight++;
 			LK.setScore(towerHeight);
 			scoreTxt.setText(LK.getScore());
-			// Check if the stack exceeds 5 blocks
-			if (towerHeight > 5) {
-				// Remove the bottom block with a slide animation
-				var bottomBlock = blocks.shift();
-				tween(bottomBlock, {
-					x: 2048
-				}, {
-					duration: 1000,
-					onFinish: function onFinish() {
-						game.removeChild(bottomBlock);
-					}
-				});
-				// Adjust the y position of the remaining blocks
-				for (var j = 0; j < blocks.length; j++) {
-					blocks[j].y += 100;
-				}
-				// Decrease the tower height
-				towerHeight--;
-			}
 		} else {
 			for (var j = 0; j < blocks.length; j++) {
 				if (i !== j && blocks[i].falling && blocks[j].y < 2732 && !blocks[j].falling && blocks[i].intersects(blocks[j])) {
 					blocks[i].falling = false;
@@ -136,8 +120,23 @@
 			}
 		}
 	}
 }
+function removeBottomBlock() {
+	if (blocks.length > 5 && blocksToRemove.length === 0) {
+		var bottomBlock = null;
+		for (var i = 0; i < blocks.length; i++) {
+			if (!blocks[i].falling && !blocks[i].isRemoving) {
+				bottomBlock = blocks[i];
+				break;
+			}
+		}
+		if (bottomBlock) {
+			bottomBlock.isRemoving = true;
+			blocksToRemove.push(bottomBlock);
+		}
+	}
+}
 // Game update loop
 game.update = function () {
 	crane.update();
 	if (!currentBlock) {
@@ -154,8 +153,31 @@
 	if (currentBlock) {
 		currentBlock.update();
 	}
 	checkCollisions();
+	// Update and remove blocks that are being removed
+	for (var i = 0; i < blocksToRemove.length; i++) {
+		blocksToRemove[i].update();
+		if (blocksToRemove[i].removeComplete) {
+			game.removeChild(blocksToRemove[i]);
+			var index = blocks.indexOf(blocksToRemove[i]);
+			if (index > -1) {
+				blocks.splice(index, 1);
+				// Adjust the y position of the remaining blocks
+				for (var j = 0; j < blocks.length; j++) {
+					if (!blocks[j].falling && !blocks[j].isRemoving) {
+						blocks[j].y += 100;
+					}
+				}
+				towerHeight--; // Decrease tower height as a block is removed
+				LK.setScore(towerHeight);
+				scoreTxt.setText(LK.getScore());
+			}
+			blocksToRemove.splice(i, 1);
+			i--; // Adjust index after removal
+		}
+	}
+	removeBottomBlock();
 };
 // Event listener for dropping blocks
 game.down = function (x, y, obj) {
 	dropBlock();