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

/**** 
* Classes
****/ 
var StackedBlock = Container.expand(function () {
	var self = Container.call(this);
	var block = self.attachAsset('block', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87ceeb
});

/**** 
* Game Code
****/ 
// Game state
var stackedBlocks = [];
var gameHeight = 2732;
var gameWidth = 2048;
var groundLevel = gameHeight - 200;
var stackHeight = 0;
var gameActive = true;
// Create foundation block
var foundation = new StackedBlock();
foundation.x = gameWidth / 2;
foundation.y = groundLevel;
game.addChild(foundation);
stackedBlocks.push(foundation);
stackHeight = foundation.y;
// Create rope hanging from top center
var rope = LK.getAsset('rope', {
	anchorX: 0.5,
	anchorY: 0
});
rope.x = gameWidth / 2;
rope.y = 0;
game.addChild(rope);
// Create swinging block at the end of rope
var swingingBlock = LK.getAsset('swingingBlock', {
	anchorX: 0.5,
	anchorY: 0.5
});
swingingBlock.x = 0;
swingingBlock.y = rope.height;
rope.addChild(swingingBlock);
// Start rope swinging animation
function startRopeSwing() {
	// Swing right
	tween(rope, {
		rotation: 0.5
	}, {
		duration: 1500,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			// Swing left
			tween(rope, {
				rotation: -0.5
			}, {
				duration: 3000,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					// Swing back right and repeat
					tween(rope, {
						rotation: 0.5
					}, {
						duration: 3000,
						easing: tween.easeInOut,
						onFinish: startRopeSwing
					});
				}
			});
		}
	});
}
// Start the swinging motion
startRopeSwing();
// Score display
var scoreTxt = new Text2('Blocks: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Track falling blocks
var fallingBlocks = [];
var score = 0;
// Touch event to drop block
game.down = function (x, y, obj) {
	if (!gameActive || !swingingBlock.parent) return;
	// Make the rope-attached block fall down by animating it
	tween(swingingBlock, {
		y: rope.height + 400 // Move block down while staying attached to rope
	}, {
		duration: 1000,
		easing: tween.easeIn,
		onFinish: function onFinish() {
			// Check if block landed on foundation
			var globalPos = rope.toGlobal(swingingBlock.position);
			var blockWorldX = globalPos.x;
			var blockWorldY = globalPos.y;
			// Check if block is close enough to foundation horizontally
			if (Math.abs(blockWorldX - foundation.x) < 120 && blockWorldY >= foundation.y - 120) {
				// Score point
				score++;
				scoreTxt.setText('Blocks: ' + score);
			}
			// Reset block position for next round
			swingingBlock.y = rope.height;
		}
	});
};
// Update falling blocks
game.update = function () {
	for (var i = fallingBlocks.length - 1; i >= 0; i--) {
		var block = fallingBlocks[i];
		// Apply gravity
		block.y += 8;
		// Check collision with foundation
		if (block.intersects(foundation) && block.y >= foundation.y - foundation.height / 2) {
			// Score point
			score++;
			scoreTxt.setText('Blocks: ' + score);
			// Remove falling block
			block.destroy();
			fallingBlocks.splice(i, 1);
			continue;
		}
		// Remove if fell off screen
		if (block.y > gameHeight + 100) {
			block.destroy();
			fallingBlocks.splice(i, 1);
		}
	}
};
;

===================================================================
--- original.js
+++ change.js
@@ -98,29 +98,29 @@
 var score = 0;
 // Touch event to drop block
 game.down = function (x, y, obj) {
 	if (!gameActive || !swingingBlock.parent) return;
-	// Detach block from rope and add to game
-	var droppedBlock = LK.getAsset('swingingBlock', {
-		anchorX: 0.5,
-		anchorY: 0.5
+	// Make the rope-attached block fall down by animating it
+	tween(swingingBlock, {
+		y: rope.height + 400 // Move block down while staying attached to rope
+	}, {
+		duration: 1000,
+		easing: tween.easeIn,
+		onFinish: function onFinish() {
+			// Check if block landed on foundation
+			var globalPos = rope.toGlobal(swingingBlock.position);
+			var blockWorldX = globalPos.x;
+			var blockWorldY = globalPos.y;
+			// Check if block is close enough to foundation horizontally
+			if (Math.abs(blockWorldX - foundation.x) < 120 && blockWorldY >= foundation.y - 120) {
+				// Score point
+				score++;
+				scoreTxt.setText('Blocks: ' + score);
+			}
+			// Reset block position for next round
+			swingingBlock.y = rope.height;
+		}
 	});
-	// Get world position of swinging block
-	var globalPos = rope.toGlobal(swingingBlock.position);
-	droppedBlock.x = globalPos.x;
-	droppedBlock.y = globalPos.y;
-	game.addChild(droppedBlock);
-	fallingBlocks.push(droppedBlock);
-	// Remove swinging block from rope
-	rope.removeChild(swingingBlock);
-	// Create new swinging block for next round
-	swingingBlock = LK.getAsset('swingingBlock', {
-		anchorX: 0.5,
-		anchorY: 0.5
-	});
-	swingingBlock.x = 0;
-	swingingBlock.y = rope.height;
-	rope.addChild(swingingBlock);
 };
 // Update falling blocks
 game.update = function () {
 	for (var i = fallingBlocks.length - 1; i >= 0; i--) {