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

/**** 
* Classes
****/ 
var Bomb = Container.expand(function () {
	var self = Container.call(this);
	var bombGraphics = self.attachAsset('bomb', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.fallSpeed = 25 + Math.random() * 15;
	self.penalty = 100;
	self.update = function () {
		self.y += self.fallSpeed;
	};
	return self;
});
var Fruit = Container.expand(function (fruitType) {
	var self = Container.call(this);
	var fruitGraphics = self.attachAsset(fruitType, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.fallSpeed = 18 + Math.random() * 12;
	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
****/ 
// Add wooden background
var woodenBg = game.addChild(LK.getAsset('woodenBackground', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: 0
}));
// Add wooden platform
var woodenPlatform = game.addChild(LK.getAsset('woodenPlatform', {
	anchorX: 0.5,
	anchorY: 1,
	x: 2048 / 2,
	y: 2732 - 50
}));
var ninja = game.addChild(new Ninja());
ninja.x = 2048 / 2;
ninja.y = 2732 - 350; // Position ninja higher above the platform
var fruits = [];
var bombs = [];
var fruitTypes = ['apple', 'banana', 'orange', 'grape'];
var spawnTimer = 0;
var spawnInterval = 120;
var bombSpawnTimer = 0;
var bombSpawnInterval = 300;
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 < 180) dragNode.x = 180;
		if (dragNode.x > 2048 - 180) dragNode.x = 2048 - 180;
	}
}
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);
}
function spawnBomb() {
	var newBomb = game.addChild(new Bomb());
	newBomb.x = 100 + Math.random() * (2048 - 200);
	newBomb.y = -50;
	newBomb.lastY = newBomb.y;
	newBomb.lastIntersecting = false;
	bombs.push(newBomb);
}
game.update = function () {
	spawnTimer++;
	bombSpawnTimer++;
	difficultyTimer++;
	// Increase difficulty over time
	if (difficultyTimer % 1800 == 0 && spawnInterval > 30) {
		spawnInterval -= 5;
	}
	// Spawn fruits with increasing frequency
	var fruitsToSpawn = 1;
	if (difficultyTimer > 3600) fruitsToSpawn = 2; // After 1 minute, spawn 2 fruits
	if (difficultyTimer > 7200) fruitsToSpawn = 3; // After 2 minutes, spawn 3 fruits
	if (difficultyTimer > 10800) fruitsToSpawn = 4; // After 3 minutes, spawn 4 fruits
	if (spawnTimer >= spawnInterval) {
		for (var j = 0; j < fruitsToSpawn; j++) {
			spawnFruit();
		}
		spawnTimer = 0;
	}
	// Spawn bombs occasionally
	if (bombSpawnTimer >= bombSpawnInterval) {
		spawnBomb();
		bombSpawnTimer = 0;
	}
	// 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) {
			// Penalty for missing fruit
			LK.setScore(LK.getScore() - 50);
			scoreTxt.setText('Score: ' + LK.getScore());
			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;
	}
	// Update bombs
	for (var k = bombs.length - 1; k >= 0; k--) {
		var bomb = bombs[k];
		// Check if bomb went off screen
		if (bomb.lastY < 2732 + 100 && bomb.y >= 2732 + 100) {
			bomb.destroy();
			bombs.splice(k, 1);
			continue;
		}
		// Check collision with ninja
		var bombIntersecting = bomb.intersects(ninja);
		if (!bomb.lastIntersecting && bombIntersecting) {
			LK.setScore(LK.getScore() - bomb.penalty);
			scoreTxt.setText('Score: ' + LK.getScore());
			// Flash effect for bomb hit
			LK.effects.flashScreen(0xFF0000, 500);
			bomb.destroy();
			bombs.splice(k, 1);
			continue;
		}
		bomb.lastY = bomb.y;
		bomb.lastIntersecting = bombIntersecting;
	}
};
LK.playMusic('bgmusic');

===================================================================
--- original.js
+++ change.js
@@ -11,9 +11,9 @@
 	var bombGraphics = self.attachAsset('bomb', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
-	self.fallSpeed = 15 + Math.random() * 10;
+	self.fallSpeed = 25 + Math.random() * 15;
 	self.penalty = 100;
 	self.update = function () {
 		self.y += self.fallSpeed;
 	};