/**** 
* 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);
;

===================================================================
--- original.js
+++ change.js