/**** 
* 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 - 120;
var stackHeight = 0;
var gameActive = true;
// Create foundation block
var foundation = new StackedBlock();
foundation.x = gameWidth / 2;
foundation.y = gameHeight - 120; // Move to bottom of screen
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; // Rope starts at top of screen
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 + 100; // Extend the rope length by moving block further down
rope.addChild(swingingBlock);
// Natural pendulum swing variables
var swingTime = 0;
var swingSpeed = 0.03; // Controls swing speed
var swingAmplitude = 0.6; // Controls swing range (max rotation)
// Score display
var scoreTxt = new Text2('Blocks: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Touch handler to drop the block
game.down = function (x, y, obj) {
	if (!gameActive || !swingingBlock.parent) return;
	// Get the current world position of the swinging block
	var worldPos = rope.toGlobal(swingingBlock.position);
	var gamePos = game.toLocal(worldPos);
	// Detach from rope and add to game
	rope.removeChild(swingingBlock);
	game.addChild(swingingBlock);
	// Set position in game coordinates
	swingingBlock.x = gamePos.x;
	swingingBlock.y = gamePos.y;
	// Add falling velocity and rotation animation
	swingingBlock.velocityY = 5; // Start with slower initial speed
	swingingBlock.falling = true;
	// Add smooth rotation animation during fall
	tween(swingingBlock, {
		rotation: swingingBlock.rotation + (Math.random() - 0.5) * 2
	}, {
		duration: 2000,
		easing: tween.linear
	});
};
// Update function for falling blocks
game.update = function () {
	// Update rope swing with natural pendulum motion
	if (rope && !swingingBlock.falling) {
		swingTime += swingSpeed;
		rope.rotation = Math.sin(swingTime) * swingAmplitude;
		// Add vertical swinging motion to the swinging block
		var verticalOffset = Math.cos(swingTime * 2) * 30; // Vertical swing with smaller amplitude
		swingingBlock.y = rope.height + 100 + verticalOffset;
	}
	if (swingingBlock.falling) {
		// Add gravity for realistic falling animation
		if (!swingingBlock.velocityY) swingingBlock.velocityY = 0;
		swingingBlock.velocityY += 1.2; // Gravity acceleration
		swingingBlock.y += swingingBlock.velocityY;
		// Check collision with any stacked block using built-in intersects method
		var hasCollision = false;
		for (var i = 0; i < stackedBlocks.length; i++) {
			var block = stackedBlocks[i];
			if (swingingBlock.intersects(block)) {
				hasCollision = true;
				break;
			}
		}
		if (hasCollision) {
			// Find the topmost block that the swinging block collided with
			var targetBlock = null;
			var highestY = gameHeight;
			for (var k = 0; k < stackedBlocks.length; k++) {
				if (swingingBlock.intersects(stackedBlocks[k]) && stackedBlocks[k].y < highestY) {
					targetBlock = stackedBlocks[k];
					highestY = stackedBlocks[k].y;
				}
			}
			if (targetBlock) {
				// Check if block is close enough to the top of the target block to land
				var blockBottom = swingingBlock.y + swingingBlock.height / 2;
				var targetTop = targetBlock.y - targetBlock.height / 2;
				var landingDistance = Math.abs(blockBottom - targetTop);
				// Only land if we're within reasonable landing distance (less than falling speed)
				if (landingDistance <= 30) {
					// Award 1 point
					LK.setScore(LK.getScore() + 1);
					scoreTxt.setText('Blocks: ' + LK.getScore());
					// Place block exactly on top of target block with smooth transition
					swingingBlock.falling = false;
					swingingBlock.velocityY = 0;
					// Stop any rotation animation
					tween.stop(swingingBlock, {
						rotation: true
					});
					var targetLandingY = targetBlock.y - 240; // Calculate landing position
					tween(swingingBlock, {
						y: targetLandingY,
						rotation: 0
					}, {
						duration: 300,
						easing: tween.easeOut
					});
					stackedBlocks.push(swingingBlock);
					// Update stack height to the new top
					stackHeight = swingingBlock.y;
					// After 5 blocks are placed, move all blocks down by one block height
					if (LK.getScore() > 5) {
						// Move all stacked blocks down smoothly by one block height (240 pixels)
						for (var m = 0; m < stackedBlocks.length; m++) {
							var targetY = stackedBlocks[m].y + 240;
							tween(stackedBlocks[m], {
								y: targetY
							}, {
								duration: 800,
								easing: tween.easeOut
							});
						}
					}
					// Create new swinging block
					swingingBlock = LK.getAsset('swingingBlock', {
						anchorX: 0.5,
						anchorY: 0.5
					});
					swingingBlock.x = 0;
					swingingBlock.y = rope.height + 100;
					rope.addChild(swingingBlock);
				} else {
					// Not close enough to land - continue falling
					swingingBlock.falling = true;
				}
			}
		}
		// Check if block has fallen below the screen
		else if (swingingBlock.y > gameHeight + 200) {
			// Game over - player missed the target
			gameActive = false;
			LK.showGameOver();
		}
	}
};
;

===================================================================
--- original.js
+++ change.js
@@ -77,11 +77,18 @@
 	game.addChild(swingingBlock);
 	// Set position in game coordinates
 	swingingBlock.x = gamePos.x;
 	swingingBlock.y = gamePos.y;
-	// Add falling velocity
-	swingingBlock.velocityY = 25; // Start with constant speed
+	// Add falling velocity and rotation animation
+	swingingBlock.velocityY = 5; // Start with slower initial speed
 	swingingBlock.falling = true;
+	// Add smooth rotation animation during fall
+	tween(swingingBlock, {
+		rotation: swingingBlock.rotation + (Math.random() - 0.5) * 2
+	}, {
+		duration: 2000,
+		easing: tween.linear
+	});
 };
 // Update function for falling blocks
 game.update = function () {
 	// Update rope swing with natural pendulum motion
@@ -92,10 +99,11 @@
 		var verticalOffset = Math.cos(swingTime * 2) * 30; // Vertical swing with smaller amplitude
 		swingingBlock.y = rope.height + 100 + verticalOffset;
 	}
 	if (swingingBlock.falling) {
-		// Use constant falling speed instead of accelerating gravity
-		swingingBlock.velocityY = 25; // Fixed falling speed
+		// Add gravity for realistic falling animation
+		if (!swingingBlock.velocityY) swingingBlock.velocityY = 0;
+		swingingBlock.velocityY += 1.2; // Gravity acceleration
 		swingingBlock.y += swingingBlock.velocityY;
 		// Check collision with any stacked block using built-in intersects method
 		var hasCollision = false;
 		for (var i = 0; i < stackedBlocks.length; i++) {
@@ -127,53 +135,17 @@
 					scoreTxt.setText('Blocks: ' + LK.getScore());
 					// Place block exactly on top of target block with smooth transition
 					swingingBlock.falling = false;
 					swingingBlock.velocityY = 0;
+					// Stop any rotation animation
+					tween.stop(swingingBlock, {
+						rotation: true
+					});
 					var targetLandingY = targetBlock.y - 240; // Calculate landing position
-					// Add collision animation - scale and shake effect
 					tween(swingingBlock, {
-						scaleX: 1.2,
-						scaleY: 0.8
+						y: targetLandingY,
+						rotation: 0
 					}, {
-						duration: 150,
-						easing: tween.easeOut,
-						onFinish: function onFinish() {
-							// Return to normal scale
-							tween(swingingBlock, {
-								scaleX: 1.0,
-								scaleY: 1.0
-							}, {
-								duration: 150,
-								easing: tween.easeOut
-							});
-						}
-					});
-					// Add screen shake effect to target block
-					tween(targetBlock, {
-						x: targetBlock.x + 15
-					}, {
-						duration: 100,
-						easing: tween.easeOut,
-						onFinish: function onFinish() {
-							tween(targetBlock, {
-								x: targetBlock.x - 15
-							}, {
-								duration: 100,
-								easing: tween.easeOut,
-								onFinish: function onFinish() {
-									tween(targetBlock, {
-										x: targetBlock.x
-									}, {
-										duration: 100,
-										easing: tween.easeOut
-									});
-								}
-							});
-						}
-					});
-					tween(swingingBlock, {
-						y: targetLandingY
-					}, {
 						duration: 300,
 						easing: tween.easeOut
 					});
 					stackedBlocks.push(swingingBlock);