/**** 
* Classes
****/ 
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 15;
	self.targetX = 0;
	self.targetY = 0;
	self.directionX = 0;
	self.directionY = 0;
	self.update = function () {
		self.x += self.directionX * self.speed;
		self.y += self.directionY * self.speed;
	};
	return self;
});
var Coin = Container.expand(function () {
	var self = Container.call(this);
	var coinGraphics = self.attachAsset('coin', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.update = function () {
		if (player) {
			// Calculate direction towards player
			var dx = player.x - self.x;
			var dy = player.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > 0) {
				// Normalize and apply speed
				self.x += dx / distance * self.speed;
				self.y += dy / distance * self.speed;
			}
		}
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x333333
});

/**** 
* Game Code
****/ 
var player;
var enemy;
var gameStartTime;
var dragNode = null;
var lastIntersecting = false;
var counter = 0;
var lastCounterUpdate = 0;
var coins = [];
var collectedCoins = 0;
var bullets = [];
var shootTarget = null;
var enemyHealth = 100;
// Score display
var scoreTxt = new Text2('Time: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Counter display in top right
var counterTxt = new Text2('0', {
	size: 80,
	fill: 0xFFFFFF
});
counterTxt.anchor.set(1, 0);
LK.gui.topRight.addChild(counterTxt);
// Create player
player = game.addChild(new Player());
player.x = 1024; // Center horizontally
player.y = 1800; // Near bottom
// Create enemy
enemy = game.addChild(new Enemy());
enemy.x = 1024; // Center horizontally  
enemy.y = 400; // Near top
// Record game start time
gameStartTime = Date.now();
// Handle touch/drag movement
function handleMove(x, y, obj) {
	if (dragNode) {
		dragNode.x = x;
		dragNode.y = y;
		// Keep player within screen bounds
		if (dragNode.x < 40) dragNode.x = 40;
		if (dragNode.x > 2008) dragNode.x = 2008;
		if (dragNode.y < 40) dragNode.y = 40;
		if (dragNode.y > 2692) dragNode.y = 2692;
	}
}
game.move = handleMove;
game.down = function (x, y, obj) {
	// Check if tap is near player for dragging
	var distanceToPlayer = Math.sqrt((x - player.x) * (x - player.x) + (y - player.y) * (y - player.y));
	if (distanceToPlayer < 100) {
		dragNode = player;
		handleMove(x, y, obj);
	} else {
		// Shoot bullet towards tap location
		var bullet = new Bullet();
		bullet.x = player.x;
		bullet.y = player.y;
		// Calculate direction to target
		var dx = x - player.x;
		var dy = y - player.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 0) {
			bullet.directionX = dx / distance;
			bullet.directionY = dy / distance;
		}
		bullets.push(bullet);
		game.addChild(bullet);
	}
};
game.up = function (x, y, obj) {
	dragNode = null;
};
game.update = function () {
	// Spawn new coins randomly
	if (LK.ticks % 60 === 0) {
		// Every 1 second
		var newCoin = new Coin();
		newCoin.x = Math.random() * (2048 - 100) + 50;
		newCoin.y = Math.random() * (2732 - 100) + 50;
		coins.push(newCoin);
		game.addChild(newCoin);
	}
	// Update bullets and check collisions
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		// Remove bullets that go off screen
		if (bullet.x < 0 || bullet.x > 2048 || bullet.y < 0 || bullet.y > 2732) {
			bullet.destroy();
			bullets.splice(i, 1);
			continue;
		}
		// Check bullet collision with enemy
		if (bullet.intersects(enemy)) {
			// Reduce enemy health by 5
			enemyHealth -= 5;
			// Check if enemy is defeated
			if (enemyHealth <= 0) {
				// Enemy defeated - player wins
				LK.effects.flashScreen(0x00ff00, 1000);
				LK.showYouWin();
			}
			bullet.destroy();
			bullets.splice(i, 1);
			continue;
		}
	}
	// Check coin collection
	for (var i = coins.length - 1; i >= 0; i--) {
		var coin = coins[i];
		if (player.intersects(coin)) {
			collectedCoins++;
			coin.destroy();
			coins.splice(i, 1);
			// Check if we collected 5 coins
			if (collectedCoins >= 5) {
				collectedCoins -= 5; // Reset coin count
				LK.setScore(LK.getScore() + 1);
			}
		}
	}
	// Update survival time score
	var currentTime = Date.now();
	var survivalTime = Math.floor((currentTime - gameStartTime) / 1000);
	scoreTxt.setText('Time: ' + survivalTime);
	LK.setScore(survivalTime);
	// Update counter every 10 seconds
	if (survivalTime >= lastCounterUpdate + 10) {
		counter++;
		counterTxt.setText(counter.toString());
		lastCounterUpdate = survivalTime;
	}
	// Check collision between player and enemy
	var currentIntersecting = player.intersects(enemy);
	if (!lastIntersecting && currentIntersecting) {
		// Game over - enemy caught player
		LK.effects.flashScreen(0xff0000, 1000);
		LK.showGameOver();
	}
	lastIntersecting = currentIntersecting;
	// Gradually increase enemy speed over time for difficulty
	if (LK.ticks % 300 === 0) {
		// Every 5 seconds
		enemy.speed += 0.1;
	}
};

===================================================================
--- original.js
+++ change.js
@@ -77,8 +77,9 @@
 var coins = [];
 var collectedCoins = 0;
 var bullets = [];
 var shootTarget = null;
+var enemyHealth = 100;
 // Score display
 var scoreTxt = new Text2('Time: 0', {
 	size: 80,
 	fill: 0xFFFFFF
@@ -161,13 +162,16 @@
 			continue;
 		}
 		// Check bullet collision with enemy
 		if (bullet.intersects(enemy)) {
-			// Stun enemy for 2 seconds by setting speed to 0 temporarily
-			enemy.speed = 0;
-			LK.setTimeout(function () {
-				enemy.speed = 10;
-			}, 2000);
+			// Reduce enemy health by 5
+			enemyHealth -= 5;
+			// Check if enemy is defeated
+			if (enemyHealth <= 0) {
+				// Enemy defeated - player wins
+				LK.effects.flashScreen(0x00ff00, 1000);
+				LK.showYouWin();
+			}
 			bullet.destroy();
 			bullets.splice(i, 1);
 			continue;
 		}