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

/**** 
* Classes
****/ 
var Fruit = Container.expand(function (fruitType) {
	var self = Container.call(this);
	var fruitGraphics = self.attachAsset(fruitType, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.fallSpeed = 4 + Math.random() * 3;
	self.points = 10;
	self.fruitType = fruitType;
	self.update = function () {
		self.y += self.fallSpeed;
	};
	return self;
});
var Ninja = Container.expand(function () {
	var self = Container.call(this);
	var ninjaGraphics = self.attachAsset('ninja', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 8;
	return self;
});

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

/**** 
* Game Code
****/ 
var ninja = game.addChild(new Ninja());
ninja.x = 2048 / 2;
ninja.y = 2732 - 200;
var fruits = [];
var fruitTypes = ['apple', 'banana', 'orange', 'grape'];
var spawnTimer = 0;
var spawnInterval = 90;
var difficultyTimer = 0;
var scoreTxt = new Text2('Score: 0', {
	size: 100,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var dragNode = null;
function handleMove(x, y, obj) {
	if (dragNode) {
		dragNode.x = x;
		if (dragNode.x < 60) dragNode.x = 60;
		if (dragNode.x > 2048 - 60) dragNode.x = 2048 - 60;
	}
}
game.move = handleMove;
game.down = function (x, y, obj) {
	dragNode = ninja;
	handleMove(x, y, obj);
};
game.up = function (x, y, obj) {
	dragNode = null;
};
function spawnFruit() {
	var randomType = fruitTypes[Math.floor(Math.random() * fruitTypes.length)];
	var newFruit = game.addChild(new Fruit(randomType));
	newFruit.x = 100 + Math.random() * (2048 - 200);
	newFruit.y = -50;
	newFruit.lastY = newFruit.y;
	newFruit.lastIntersecting = false;
	fruits.push(newFruit);
}
game.update = function () {
	spawnTimer++;
	difficultyTimer++;
	// Increase difficulty over time
	if (difficultyTimer % 1800 == 0 && spawnInterval > 30) {
		spawnInterval -= 5;
	}
	// Spawn fruits
	if (spawnTimer >= spawnInterval) {
		spawnFruit();
		spawnTimer = 0;
		// Occasionally spawn multiple fruits
		if (Math.random() < 0.3) {
			LK.setTimeout(function () {
				spawnFruit();
			}, 20);
		}
	}
	// Update fruits
	for (var i = fruits.length - 1; i >= 0; i--) {
		var fruit = fruits[i];
		// Check if fruit went off screen
		if (fruit.lastY < 2732 + 100 && fruit.y >= 2732 + 100) {
			fruit.destroy();
			fruits.splice(i, 1);
			continue;
		}
		// Check collision with ninja
		var currentIntersecting = fruit.intersects(ninja);
		if (!fruit.lastIntersecting && currentIntersecting) {
			LK.setScore(LK.getScore() + fruit.points);
			scoreTxt.setText('Score: ' + LK.getScore());
			LK.getSound('catch').play();
			// Visual feedback
			tween(fruit, {
				scaleX: 1.5,
				scaleY: 1.5,
				alpha: 0
			}, {
				duration: 200,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					fruit.destroy();
				}
			});
			fruits.splice(i, 1);
			continue;
		}
		fruit.lastY = fruit.y;
		fruit.lastIntersecting = currentIntersecting;
	}
};
LK.playMusic('bgmusic');

===================================================================
--- original.js
+++ change.js
@@ -71,15 +71,14 @@
 	dragNode = null;
 };
 function spawnFruit() {
 	var randomType = fruitTypes[Math.floor(Math.random() * fruitTypes.length)];
-	var newFruit = new Fruit(randomType);
+	var newFruit = game.addChild(new Fruit(randomType));
 	newFruit.x = 100 + Math.random() * (2048 - 200);
 	newFruit.y = -50;
 	newFruit.lastY = newFruit.y;
 	newFruit.lastIntersecting = false;
 	fruits.push(newFruit);
-	game.addChild(newFruit);
 }
 game.update = function () {
 	spawnTimer++;
 	difficultyTimer++;