/**** 
* 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
	swingingBlock.velocityY = 25; // Start with constant speed
	swingingBlock.falling = true;
};
// 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) {
		// Use constant falling speed instead of accelerating gravity
		swingingBlock.velocityY = 25; // Fixed falling speed
		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;
					// Calculate proper landing position using actual block height and center anchor
					var targetLandingY = targetBlock.y - targetBlock.height; // Use actual block height
					// Don't auto-align X - let block land where player timed it
					tween(swingingBlock, {
						y: targetLandingY
					}, {
						duration: 300,
						easing: tween.easeOut
					});
					// Check precision of placement
					var currentTopBlock = targetBlock;
					var overhang = Math.abs(swingingBlock.x - currentTopBlock.x);
					var maxAllowedOverhang = currentTopBlock.width * 0.8; // Allow 80% overhang before game over
					// If overhang is too much, game over
					if (overhang > maxAllowedOverhang) {
						gameActive = false;
						LK.showGameOver();
						return;
					}
					// If placement is very precise (within 20 pixels), give bonus points
					if (overhang <= 20) {
						LK.setScore(LK.getScore() + 1); // Bonus point for perfect placement
						scoreTxt.setText('Blocks: ' + LK.getScore());
						// Flash green for perfect placement
						LK.effects.flashObject(swingingBlock, 0x00FF00, 500);
					}
					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
@@ -129,16 +129,32 @@
 					swingingBlock.falling = false;
 					swingingBlock.velocityY = 0;
 					// Calculate proper landing position using actual block height and center anchor
 					var targetLandingY = targetBlock.y - targetBlock.height; // Use actual block height
-					var targetLandingX = targetBlock.x; // Align X coordinate to center on target block
+					// Don't auto-align X - let block land where player timed it
 					tween(swingingBlock, {
-						x: targetLandingX,
 						y: targetLandingY
 					}, {
 						duration: 300,
 						easing: tween.easeOut
 					});
+					// Check precision of placement
+					var currentTopBlock = targetBlock;
+					var overhang = Math.abs(swingingBlock.x - currentTopBlock.x);
+					var maxAllowedOverhang = currentTopBlock.width * 0.8; // Allow 80% overhang before game over
+					// If overhang is too much, game over
+					if (overhang > maxAllowedOverhang) {
+						gameActive = false;
+						LK.showGameOver();
+						return;
+					}
+					// If placement is very precise (within 20 pixels), give bonus points
+					if (overhang <= 20) {
+						LK.setScore(LK.getScore() + 1); // Bonus point for perfect placement
+						scoreTxt.setText('Blocks: ' + LK.getScore());
+						// Flash green for perfect placement
+						LK.effects.flashObject(swingingBlock, 0x00FF00, 500);
+					}
 					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