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

/**** 
* Classes
****/ 
var Cannonball = Container.expand(function () {
	var self = Container.call(this);
	var ballGraphics = self.attachAsset('cannonball', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -6;
	self.isPlayerBullet = true;
	self.update = function () {
		if (self.isPlayerBullet) {
			self.y += self.speed;
		} else {
			self.y += self.speed;
		}
	};
	return self;
});
var DevilFruit = Container.expand(function () {
	var self = Container.call(this);
	var fruitGraphics = self.attachAsset('devilFruit', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 2;
	self.powerType = Math.floor(Math.random() * 2);
	self.update = function () {
		self.y += self.speed;
		self.rotation += 0.05;
	};
	return self;
});
var EnemyShip = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemyShip', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 2;
	self.speed = 1.5;
	self.lastShot = 0;
	self.update = function () {
		self.y += self.speed;
		if (LK.ticks - self.lastShot > 120 && self.y < 2500) {
			var cannonball = new Cannonball();
			cannonball.x = self.x;
			cannonball.y = self.y + 50;
			cannonball.isPlayerBullet = false;
			cannonball.speed = 3;
			cannonballs.push(cannonball);
			game.addChild(cannonball);
			self.lastShot = LK.ticks;
		}
	};
	self.takeDamage = function () {
		self.health--;
		LK.effects.flashObject(self, 0xFF0000, 300);
		if (self.health <= 0) {
			return true;
		}
		return false;
	};
	return self;
});
var NavyShip = Container.expand(function () {
	var self = Container.call(this);
	var navyGraphics = self.attachAsset('navyShip', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 3;
	self.speed = 1;
	self.lastShot = 0;
	self.update = function () {
		self.y += self.speed;
		var dx = playerShip.x - self.x;
		self.x += dx * 0.01;
		if (LK.ticks - self.lastShot > 80 && self.y < 2500) {
			var cannonball = new Cannonball();
			cannonball.x = self.x;
			cannonball.y = self.y + 50;
			cannonball.isPlayerBullet = false;
			cannonball.speed = 4;
			cannonballs.push(cannonball);
			game.addChild(cannonball);
			self.lastShot = LK.ticks;
		}
	};
	self.takeDamage = function () {
		self.health--;
		LK.effects.flashObject(self, 0xFF0000, 300);
		if (self.health <= 0) {
			return true;
		}
		return false;
	};
	return self;
});
var PirateShip = Container.expand(function () {
	var self = Container.call(this);
	var shipGraphics = self.attachAsset('pirateShip', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 3;
	self.invulnerable = false;
	self.speedBoost = false;
	self.lastShot = 0;
	self.takeDamage = function () {
		if (!self.invulnerable) {
			self.health--;
			self.invulnerable = true;
			LK.effects.flashObject(self, 0xFF0000, 500);
			LK.setTimeout(function () {
				self.invulnerable = false;
			}, 1000);
			if (self.health <= 0) {
				LK.showGameOver();
			}
		}
	};
	self.shoot = function () {
		if (LK.ticks - self.lastShot > 20) {
			var cannonball = new Cannonball();
			cannonball.x = self.x;
			cannonball.y = self.y - 50;
			cannonball.isPlayerBullet = true;
			cannonballs.push(cannonball);
			game.addChild(cannonball);
			LK.getSound('cannon').play();
			self.lastShot = LK.ticks;
		}
	};
	return self;
});
var TreasureChest = Container.expand(function () {
	var self = Container.call(this);
	var chestGraphics = self.attachAsset('treasureChest', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.value = 100;
	self.speed = 2;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var Whirlpool = Container.expand(function () {
	var self = Container.call(this);
	var whirlGraphics = self.attachAsset('whirlpool', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 1;
	self.rotationSpeed = 0.1;
	self.update = function () {
		self.y += self.speed;
		self.rotation += self.rotationSpeed;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x006994
});

/**** 
* Game Code
****/ 
var playerShip;
var treasures = [];
var enemies = [];
var navyShips = [];
var cannonballs = [];
var whirlpools = [];
var devilFruits = [];
var dragNode = null;
var spawnTimer = 0;
var difficultyLevel = 1;
playerShip = game.addChild(new PirateShip());
playerShip.x = 1024;
playerShip.y = 2400;
var bountyTxt = new Text2('Bounty: 0', {
	size: 80,
	fill: 0xFFFFFF
});
bountyTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(bountyTxt);
var healthTxt = new Text2('Health: 3', {
	size: 60,
	fill: 0xFF0000
});
healthTxt.anchor.set(0, 0);
healthTxt.x = 120;
healthTxt.y = 100;
LK.gui.topLeft.addChild(healthTxt);
function updateUI() {
	bountyTxt.setText('Bounty: ' + LK.getScore());
	healthTxt.setText('Health: ' + playerShip.health);
}
function spawnTreasure() {
	var treasure = new TreasureChest();
	treasure.x = Math.random() * 1800 + 124;
	treasure.y = -60;
	treasures.push(treasure);
	game.addChild(treasure);
}
function spawnEnemy() {
	var enemy = new EnemyShip();
	enemy.x = Math.random() * 1800 + 124;
	enemy.y = -80;
	enemies.push(enemy);
	game.addChild(enemy);
}
function spawnNavy() {
	var navy = new NavyShip();
	navy.x = Math.random() * 1800 + 124;
	navy.y = -80;
	navyShips.push(navy);
	game.addChild(navy);
}
function spawnWhirlpool() {
	var whirlpool = new Whirlpool();
	whirlpool.x = Math.random() * 1800 + 124;
	whirlpool.y = -100;
	whirlpools.push(whirlpool);
	game.addChild(whirlpool);
}
function spawnDevilFruit() {
	var fruit = new DevilFruit();
	fruit.x = Math.random() * 1800 + 124;
	fruit.y = -40;
	devilFruits.push(fruit);
	game.addChild(fruit);
}
function handleMove(x, y, obj) {
	if (dragNode) {
		dragNode.x = Math.max(60, Math.min(1988, x));
		dragNode.y = Math.max(60, Math.min(2672, y));
	}
}
game.move = handleMove;
game.down = function (x, y, obj) {
	var distance = Math.sqrt((x - playerShip.x) * (x - playerShip.x) + (y - playerShip.y) * (y - playerShip.y));
	if (distance < 100) {
		dragNode = playerShip;
		handleMove(x, y, obj);
	} else {
		playerShip.shoot();
	}
};
game.up = function (x, y, obj) {
	dragNode = null;
};
game.update = function () {
	spawnTimer++;
	difficultyLevel = Math.floor(LK.getScore() / 1000) + 1;
	if (spawnTimer % 120 === 0) {
		spawnTreasure();
	}
	// Only spawn if total ships on screen is less than 3
	var totalShips = enemies.length + navyShips.length;
	if (spawnTimer % (180 - difficultyLevel * 20) === 0 && totalShips < 3) {
		if (Math.random() < 0.7) {
			spawnEnemy();
		} else {
			spawnNavy();
		}
	}
	if (spawnTimer % 300 === 0) {
		spawnWhirlpool();
	}
	if (spawnTimer % 600 === 0) {
		spawnDevilFruit();
	}
	for (var i = treasures.length - 1; i >= 0; i--) {
		var treasure = treasures[i];
		if (treasure.lastY === undefined) treasure.lastY = treasure.y;
		if (treasure.lastY < 2800 && treasure.y >= 2800) {
			treasure.destroy();
			treasures.splice(i, 1);
			continue;
		}
		if (treasure.intersects(playerShip)) {
			LK.setScore(LK.getScore() + treasure.value);
			LK.getSound('treasure').play();
			treasure.destroy();
			treasures.splice(i, 1);
			continue;
		}
		treasure.lastY = treasure.y;
	}
	for (var i = enemies.length - 1; i >= 0; i--) {
		var enemy = enemies[i];
		if (enemy.lastY === undefined) enemy.lastY = enemy.y;
		// Check if enemy ship crosses the one-eighth screen line (341px from top)
		if (enemy.lastY <= 341 && enemy.y > 341) {
			LK.showGameOver();
			return;
		}
		if (enemy.lastY < 2800 && enemy.y >= 2800) {
			enemy.destroy();
			enemies.splice(i, 1);
			continue;
		}
		if (enemy.intersects(playerShip)) {
			playerShip.takeDamage();
		}
		enemy.lastY = enemy.y;
	}
	for (var i = navyShips.length - 1; i >= 0; i--) {
		var navy = navyShips[i];
		if (navy.lastY === undefined) navy.lastY = navy.y;
		// Check if navy ship crosses the one-eighth screen line (341px from top)
		if (navy.lastY <= 341 && navy.y > 341) {
			LK.showGameOver();
			return;
		}
		if (navy.lastY < 2800 && navy.y >= 2800) {
			navy.destroy();
			navyShips.splice(i, 1);
			continue;
		}
		if (navy.intersects(playerShip)) {
			playerShip.takeDamage();
		}
		navy.lastY = navy.y;
	}
	for (var i = cannonballs.length - 1; i >= 0; i--) {
		var ball = cannonballs[i];
		if (ball.lastY === undefined) ball.lastY = ball.y;
		if (ball.lastY > -50 && ball.y <= -50 || ball.lastY < 2800 && ball.y >= 2800) {
			ball.destroy();
			cannonballs.splice(i, 1);
			continue;
		}
		if (ball.isPlayerBullet) {
			for (var j = enemies.length - 1; j >= 0; j--) {
				if (ball.intersects(enemies[j])) {
					if (enemies[j].takeDamage()) {
						LK.setScore(LK.getScore() + 200);
						enemies[j].destroy();
						enemies.splice(j, 1);
					}
					ball.destroy();
					cannonballs.splice(i, 1);
					break;
				}
			}
			for (var j = navyShips.length - 1; j >= 0; j--) {
				if (ball.intersects(navyShips[j])) {
					if (navyShips[j].takeDamage()) {
						LK.setScore(LK.getScore() + 300);
						navyShips[j].destroy();
						navyShips.splice(j, 1);
					}
					ball.destroy();
					cannonballs.splice(i, 1);
					break;
				}
			}
		} else {
			if (ball.intersects(playerShip)) {
				playerShip.takeDamage();
				ball.destroy();
				cannonballs.splice(i, 1);
				continue;
			}
		}
		ball.lastY = ball.y;
	}
	for (var i = whirlpools.length - 1; i >= 0; i--) {
		var whirlpool = whirlpools[i];
		if (whirlpool.lastY === undefined) whirlpool.lastY = whirlpool.y;
		if (whirlpool.lastY < 2800 && whirlpool.y >= 2800) {
			whirlpool.destroy();
			whirlpools.splice(i, 1);
			continue;
		}
		if (whirlpool.intersects(playerShip)) {
			playerShip.takeDamage();
		}
		whirlpool.lastY = whirlpool.y;
	}
	for (var i = devilFruits.length - 1; i >= 0; i--) {
		var fruit = devilFruits[i];
		if (fruit.lastY === undefined) fruit.lastY = fruit.y;
		if (fruit.lastY < 2800 && fruit.y >= 2800) {
			fruit.destroy();
			devilFruits.splice(i, 1);
			continue;
		}
		if (fruit.intersects(playerShip)) {
			LK.getSound('powerup').play();
			if (fruit.powerType === 0) {
				playerShip.invulnerable = true;
				LK.effects.flashObject(playerShip, 0x00FF00, 3000);
				LK.setTimeout(function () {
					playerShip.invulnerable = false;
				}, 3000);
			} else {
				playerShip.speedBoost = true;
				LK.setTimeout(function () {
					playerShip.speedBoost = false;
				}, 3000);
			}
			fruit.destroy();
			devilFruits.splice(i, 1);
			continue;
		}
		fruit.lastY = fruit.y;
	}
	updateUI();
	if (LK.getScore() >= 10000) {
		LK.showYouWin();
	}
};
LK.playMusic('bgmusic');

===================================================================
--- original.js
+++ change.js
@@ -303,8 +303,13 @@
 	}
 	for (var i = enemies.length - 1; i >= 0; i--) {
 		var enemy = enemies[i];
 		if (enemy.lastY === undefined) enemy.lastY = enemy.y;
+		// Check if enemy ship crosses the one-eighth screen line (341px from top)
+		if (enemy.lastY <= 341 && enemy.y > 341) {
+			LK.showGameOver();
+			return;
+		}
 		if (enemy.lastY < 2800 && enemy.y >= 2800) {
 			enemy.destroy();
 			enemies.splice(i, 1);
 			continue;
@@ -316,8 +321,13 @@
 	}
 	for (var i = navyShips.length - 1; i >= 0; i--) {
 		var navy = navyShips[i];
 		if (navy.lastY === undefined) navy.lastY = navy.y;
+		// Check if navy ship crosses the one-eighth screen line (341px from top)
+		if (navy.lastY <= 341 && navy.y > 341) {
+			LK.showGameOver();
+			return;
+		}
 		if (navy.lastY < 2800 && navy.y >= 2800) {
 			navy.destroy();
 			navyShips.splice(i, 1);
 			continue;