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

/**** 
* Classes
****/ 
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 12;
	self.directionX = 0;
	self.directionY = 0;
	self.update = function () {
		self.x += self.directionX * self.speed;
		self.y += self.directionY * self.speed;
	};
	return self;
});
var FinalBoss = Container.expand(function () {
	var self = Container.call(this);
	var bossGraphics = self.attachAsset('strongMonster', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2,
		scaleY: 2
	});
	self.health = 20; // Very strong boss
	self.maxHealth = 20;
	self.speed = 1;
	self.damage = 30;
	self.phase = 1; // Boss has 3 phases
	self.lastAttack = 0;
	self.attackCooldown = 180; // 3 seconds between attacks
	self.specialAttackCounter = 0;
	self.update = function () {
		if (player) {
			var dx = player.x - self.x;
			var dy = player.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > 200) {
				self.x += dx / distance * self.speed;
				self.y += dy / distance * self.speed;
			}
			// Special attack pattern
			if (LK.ticks - self.lastAttack > self.attackCooldown) {
				self.specialAttack();
				self.lastAttack = LK.ticks;
			}
		}
	};
	self.specialAttack = function () {
		self.specialAttackCounter++;
		// Every 4th attack is Russian roulette
		if (self.specialAttackCounter % 4 === 0) {
			self.russianRoulette();
		} else {
			self.normalAttack();
		}
	};
	self.normalAttack = function () {
		// Spawn multiple bullets in a circle pattern
		for (var i = 0; i < 8; i++) {
			var angle = i / 8 * Math.PI * 2;
			var bullet = new Bullet();
			bullet.x = self.x;
			bullet.y = self.y;
			bullet.directionX = Math.cos(angle);
			bullet.directionY = Math.sin(angle);
			bullet.speed = 8;
			bullets.push(bullet);
			game.addChild(bullet);
		}
	};
	self.russianRoulette = function () {
		// 4 chambers: 1 empty (safe), 3 with bullets (damage)
		var chamber = Math.floor(Math.random() * 4);
		if (chamber === 0) {
			// Safe chamber - boss takes damage
			self.health -= 3;
			LK.effects.flashObject(self, 0x00ff00, 1000);
		} else {
			// Bullet chamber - player takes damage
			player.health -= 40;
			LK.effects.flashObject(player, 0xff0000, 1000);
			LK.getSound('playerHit').play();
		}
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		// Change phase based on health
		if (self.health <= 15 && self.phase === 1) {
			self.phase = 2;
			self.speed = 1.5;
			self.attackCooldown = 150;
		} else if (self.health <= 10 && self.phase === 2) {
			self.phase = 3;
			self.speed = 2;
			self.attackCooldown = 120;
		}
	};
	return self;
});
var Monster = Container.expand(function () {
	var self = Container.call(this);
	var monsterGraphics = self.attachAsset('monster', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 1;
	self.speed = 2;
	self.damage = 20;
	self.update = function () {
		if (player) {
			var dx = player.x - self.x;
			var dy = player.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > 0) {
				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
	});
	self.health = 100;
	self.maxHealth = 100;
	self.speed = 8;
	self.directionX = 1;
	self.directionY = 0;
	self.updateDirection = function (dx, dy) {
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 0) {
			self.directionX = dx / distance;
			self.directionY = dy / distance;
			playerGraphics.rotation = Math.atan2(dy, dx);
		}
	};
	return self;
});
var StrongMonster = Container.expand(function () {
	var self = Container.call(this);
	var monsterGraphics = self.attachAsset('strongMonster', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 2; // Takes 2 hits to kill
	self.speed = 2;
	self.damage = 20;
	self.update = function () {
		if (player) {
			var dx = player.x - self.x;
			var dy = player.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > 0) {
				self.x += dx / distance * self.speed;
				self.y += dy / distance * self.speed;
			}
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2c3e50
});

/**** 
* Game Code
****/ 
var player;
var bullets = [];
var monsters = [];
var dragNode = null;
var arena;
var healthBar;
var lastMonsterSpawn = 0;
var monsterSpawnRate = 60; // Spawn monsters twice as fast
var waveNumber = 1;
var monstersPerWave = 6; // Start with more monsters per wave
var monstersSpawned = 0;
var monstersKilled = 0;
var lastAutoShot = 0;
var autoShootInterval = 120; // 2 seconds at 60fps
var finalBoss = null;
var isFinalBossActive = false;
var bossHealthBar = null;
// Create arena
arena = game.addChild(LK.getAsset('arena', {
	anchorX: 0.5,
	anchorY: 0.5
}));
arena.x = 2048 / 2;
arena.y = 2732 / 2;
// Create player
player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 / 2;
// Create health bar
healthBar = new Text2('Health: 100', {
	size: 60,
	fill: 0xFFFFFF
});
healthBar.anchor.set(0, 0);
LK.gui.topLeft.addChild(healthBar);
healthBar.x = 120;
healthBar.y = 20;
// Create score display
var scoreText = new Text2('Score: 0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
// Create wave display
var waveText = new Text2('Wave: 1', {
	size: 50,
	fill: 0xFFFFFF
});
waveText.anchor.set(1, 0);
LK.gui.topRight.addChild(waveText);
waveText.x = -20;
waveText.y = 20;
// Create boss health bar (initially hidden)
bossHealthBar = new Text2('Boss Health: 20/20', {
	size: 50,
	fill: 0xff0000
});
bossHealthBar.anchor.set(0.5, 0);
LK.gui.bottom.addChild(bossHealthBar);
bossHealthBar.y = -100;
bossHealthBar.visible = false;
function shootBullet() {
	// Find nearest monster
	var nearestMonster = null;
	var nearestDistance = Infinity;
	for (var i = 0; i < monsters.length; i++) {
		var monster = monsters[i];
		var dx = monster.x - player.x;
		var dy = monster.y - player.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < nearestDistance) {
			nearestDistance = distance;
			nearestMonster = monster;
		}
	}
	// Only shoot if there's a monster to target
	if (nearestMonster) {
		var bullet = new Bullet();
		bullet.x = player.x;
		bullet.y = player.y;
		// Calculate direction to nearest monster
		var dx = nearestMonster.x - player.x;
		var dy = nearestMonster.y - player.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		bullet.directionX = dx / distance;
		bullet.directionY = dy / distance;
		bullets.push(bullet);
		game.addChild(bullet);
		LK.getSound('shoot').play();
	}
}
function spawnMonster() {
	var monster;
	// 1/5 chance (20%) to spawn a strong monster
	if (Math.random() < 0.2) {
		monster = new StrongMonster();
	} else {
		monster = new Monster();
	}
	var angle = Math.random() * Math.PI * 2;
	var spawnRadius = 900;
	monster.x = 2048 / 2 + Math.cos(angle) * spawnRadius;
	monster.y = 2732 / 2 + Math.sin(angle) * spawnRadius;
	monsters.push(monster);
	game.addChild(monster);
	monstersSpawned++;
}
function spawnFinalBoss() {
	finalBoss = new FinalBoss();
	finalBoss.x = 2048 / 2;
	finalBoss.y = 2732 / 2 - 300;
	game.addChild(finalBoss);
	isFinalBossActive = true;
	bossHealthBar.visible = true;
	LK.effects.flashScreen(0xff0000, 2000);
}
function checkCollisions() {
	// Bullet vs Monster collisions
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		var bulletHit = false;
		var monstersHit = 0;
		for (var j = monsters.length - 1; j >= 0; j--) {
			var monster = monsters[j];
			if (bullet.intersects(monster)) {
				monster.health--;
				monstersHit++;
				if (monster.health <= 0) {
					LK.setScore(LK.getScore() + 10);
					scoreText.setText('Score: ' + LK.getScore());
					// Flash monster position before destroying
					LK.effects.flashObject(monster, 0xffff00, 200);
					monster.destroy();
					monsters.splice(j, 1);
					monstersKilled++;
					LK.getSound('hit').play();
				}
				bulletHit = true;
				break;
			}
		}
		// Check bullet vs final boss collision
		if (finalBoss && bullet.intersects(finalBoss)) {
			finalBoss.takeDamage(1);
			bossHealthBar.setText('Boss Health: ' + finalBoss.health + '/' + finalBoss.maxHealth);
			if (finalBoss.health <= 0) {
				LK.setScore(LK.getScore() + 1000);
				scoreText.setText('Score: ' + LK.getScore());
				LK.effects.flashObject(finalBoss, 0xffff00, 1000);
				finalBoss.destroy();
				finalBoss = null;
				isFinalBossActive = false;
				bossHealthBar.visible = false;
				LK.effects.flashScreen(0x00ff00, 2000);
				LK.showYouWin();
				return;
			}
			LK.getSound('hit').play();
			bulletHit = true;
		}
		if (bulletHit) {
			bullet.destroy();
			bullets.splice(i, 1);
			continue;
		}
		// Remove bullets that are off screen
		if (bullet.x < -100 || bullet.x > 2148 || bullet.y < -100 || bullet.y > 2832) {
			bullet.destroy();
			bullets.splice(i, 1);
		}
	}
	// Monster vs Player collisions
	for (var k = monsters.length - 1; k >= 0; k--) {
		var monster = monsters[k];
		if (player.intersects(monster)) {
			player.health -= monster.damage;
			healthBar.setText('Health: ' + Math.max(0, player.health));
			if (player.health <= 0) {
				LK.effects.flashScreen(0xff0000, 1000);
				LK.showGameOver();
				return;
			}
			// Flash player red
			LK.effects.flashObject(player, 0xff0000, 500);
			LK.getSound('playerHit').play();
			// Remove monster after hit
			monster.destroy();
			monsters.splice(k, 1);
			monstersKilled++;
		}
	}
	// Final Boss vs Player collision
	if (finalBoss && player.intersects(finalBoss)) {
		player.health -= finalBoss.damage;
		healthBar.setText('Health: ' + Math.max(0, player.health));
		if (player.health <= 0) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
			return;
		}
		LK.effects.flashObject(player, 0xff0000, 500);
		LK.getSound('playerHit').play();
	}
}
function updateWave() {
	if (monstersKilled >= monstersPerWave && monsters.length === 0) {
		if (waveNumber >= 5 && !isFinalBossActive) {
			// Spawn final boss after wave 5
			spawnFinalBoss();
			waveText.setText('FINAL BOSS!');
			return;
		}
		if (waveNumber < 5) {
			waveNumber++;
			waveText.setText('Wave: ' + waveNumber);
			// Increase difficulty
			monstersPerWave += 4; // Add more monsters per wave
			monsterSpawnRate = Math.max(30, monsterSpawnRate - 5); // Spawn even faster
			// Reset counters
			monstersSpawned = 0;
			monstersKilled = 0;
		}
	}
}
function handleMove(x, y, obj) {
	if (dragNode) {
		// Keep player within arena bounds
		var centerX = 2048 / 2;
		var centerY = 2732 / 2;
		var maxRadius = 750;
		var dx = x - centerX;
		var dy = y - centerY;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > maxRadius) {
			dx = dx / distance * maxRadius;
			dy = dy / distance * maxRadius;
		}
		var newX = centerX + dx;
		var newY = centerY + dy;
		// Update player direction based on movement
		var moveDx = newX - dragNode.x;
		var moveDy = newY - dragNode.y;
		if (Math.abs(moveDx) > 1 || Math.abs(moveDy) > 1) {
			dragNode.updateDirection(moveDx, moveDy);
		}
		dragNode.x = newX;
		dragNode.y = newY;
	}
}
game.move = handleMove;
game.down = function (x, y, obj) {
	dragNode = player;
	handleMove(x, y, obj);
};
game.up = function (x, y, obj) {
	dragNode = null;
};
game.update = function () {
	// Automatic shooting every 3 seconds
	if (LK.ticks - lastAutoShot > autoShootInterval) {
		shootBullet();
		lastAutoShot = LK.ticks;
	}
	// Spawn monsters (only if not in final boss phase)
	if (!isFinalBossActive && monstersSpawned < monstersPerWave && LK.ticks - lastMonsterSpawn > monsterSpawnRate) {
		spawnMonster();
		lastMonsterSpawn = LK.ticks;
	}
	// Check collisions
	checkCollisions();
	// Update wave (only if not in final boss phase)
	if (!isFinalBossActive) {
		updateWave();
	}
	// Update health bar color based on health
	var healthPercent = player.health / player.maxHealth;
	if (healthPercent > 0.6) {
		healthBar.tint = 0x00ff00;
	} else if (healthPercent > 0.3) {
		healthBar.tint = 0xffff00;
	} else {
		healthBar.tint = 0xff0000;
	}
};

===================================================================
--- original.js
+++ change.js
@@ -20,8 +20,92 @@
 		self.y += self.directionY * self.speed;
 	};
 	return self;
 });
+var FinalBoss = Container.expand(function () {
+	var self = Container.call(this);
+	var bossGraphics = self.attachAsset('strongMonster', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		scaleX: 2,
+		scaleY: 2
+	});
+	self.health = 20; // Very strong boss
+	self.maxHealth = 20;
+	self.speed = 1;
+	self.damage = 30;
+	self.phase = 1; // Boss has 3 phases
+	self.lastAttack = 0;
+	self.attackCooldown = 180; // 3 seconds between attacks
+	self.specialAttackCounter = 0;
+	self.update = function () {
+		if (player) {
+			var dx = player.x - self.x;
+			var dy = player.y - self.y;
+			var distance = Math.sqrt(dx * dx + dy * dy);
+			if (distance > 200) {
+				self.x += dx / distance * self.speed;
+				self.y += dy / distance * self.speed;
+			}
+			// Special attack pattern
+			if (LK.ticks - self.lastAttack > self.attackCooldown) {
+				self.specialAttack();
+				self.lastAttack = LK.ticks;
+			}
+		}
+	};
+	self.specialAttack = function () {
+		self.specialAttackCounter++;
+		// Every 4th attack is Russian roulette
+		if (self.specialAttackCounter % 4 === 0) {
+			self.russianRoulette();
+		} else {
+			self.normalAttack();
+		}
+	};
+	self.normalAttack = function () {
+		// Spawn multiple bullets in a circle pattern
+		for (var i = 0; i < 8; i++) {
+			var angle = i / 8 * Math.PI * 2;
+			var bullet = new Bullet();
+			bullet.x = self.x;
+			bullet.y = self.y;
+			bullet.directionX = Math.cos(angle);
+			bullet.directionY = Math.sin(angle);
+			bullet.speed = 8;
+			bullets.push(bullet);
+			game.addChild(bullet);
+		}
+	};
+	self.russianRoulette = function () {
+		// 4 chambers: 1 empty (safe), 3 with bullets (damage)
+		var chamber = Math.floor(Math.random() * 4);
+		if (chamber === 0) {
+			// Safe chamber - boss takes damage
+			self.health -= 3;
+			LK.effects.flashObject(self, 0x00ff00, 1000);
+		} else {
+			// Bullet chamber - player takes damage
+			player.health -= 40;
+			LK.effects.flashObject(player, 0xff0000, 1000);
+			LK.getSound('playerHit').play();
+		}
+	};
+	self.takeDamage = function (damage) {
+		self.health -= damage;
+		// Change phase based on health
+		if (self.health <= 15 && self.phase === 1) {
+			self.phase = 2;
+			self.speed = 1.5;
+			self.attackCooldown = 150;
+		} else if (self.health <= 10 && self.phase === 2) {
+			self.phase = 3;
+			self.speed = 2;
+			self.attackCooldown = 120;
+		}
+	};
+	return self;
+});
 var Monster = Container.expand(function () {
 	var self = Container.call(this);
 	var monsterGraphics = self.attachAsset('monster', {
 		anchorX: 0.5,
@@ -110,8 +194,11 @@
 var monstersSpawned = 0;
 var monstersKilled = 0;
 var lastAutoShot = 0;
 var autoShootInterval = 120; // 2 seconds at 60fps
+var finalBoss = null;
+var isFinalBossActive = false;
+var bossHealthBar = null;
 // Create arena
 arena = game.addChild(LK.getAsset('arena', {
 	anchorX: 0.5,
 	anchorY: 0.5
@@ -146,8 +233,17 @@
 waveText.anchor.set(1, 0);
 LK.gui.topRight.addChild(waveText);
 waveText.x = -20;
 waveText.y = 20;
+// Create boss health bar (initially hidden)
+bossHealthBar = new Text2('Boss Health: 20/20', {
+	size: 50,
+	fill: 0xff0000
+});
+bossHealthBar.anchor.set(0.5, 0);
+LK.gui.bottom.addChild(bossHealthBar);
+bossHealthBar.y = -100;
+bossHealthBar.visible = false;
 function shootBullet() {
 	// Find nearest monster
 	var nearestMonster = null;
 	var nearestDistance = Infinity;
@@ -192,8 +288,17 @@
 	monsters.push(monster);
 	game.addChild(monster);
 	monstersSpawned++;
 }
+function spawnFinalBoss() {
+	finalBoss = new FinalBoss();
+	finalBoss.x = 2048 / 2;
+	finalBoss.y = 2732 / 2 - 300;
+	game.addChild(finalBoss);
+	isFinalBossActive = true;
+	bossHealthBar.visible = true;
+	LK.effects.flashScreen(0xff0000, 2000);
+}
 function checkCollisions() {
 	// Bullet vs Monster collisions
 	for (var i = bullets.length - 1; i >= 0; i--) {
 		var bullet = bullets[i];
@@ -217,8 +322,27 @@
 				bulletHit = true;
 				break;
 			}
 		}
+		// Check bullet vs final boss collision
+		if (finalBoss && bullet.intersects(finalBoss)) {
+			finalBoss.takeDamage(1);
+			bossHealthBar.setText('Boss Health: ' + finalBoss.health + '/' + finalBoss.maxHealth);
+			if (finalBoss.health <= 0) {
+				LK.setScore(LK.getScore() + 1000);
+				scoreText.setText('Score: ' + LK.getScore());
+				LK.effects.flashObject(finalBoss, 0xffff00, 1000);
+				finalBoss.destroy();
+				finalBoss = null;
+				isFinalBossActive = false;
+				bossHealthBar.visible = false;
+				LK.effects.flashScreen(0x00ff00, 2000);
+				LK.showYouWin();
+				return;
+			}
+			LK.getSound('hit').play();
+			bulletHit = true;
+		}
 		if (bulletHit) {
 			bullet.destroy();
 			bullets.splice(i, 1);
 			continue;
@@ -248,24 +372,39 @@
 			monsters.splice(k, 1);
 			monstersKilled++;
 		}
 	}
+	// Final Boss vs Player collision
+	if (finalBoss && player.intersects(finalBoss)) {
+		player.health -= finalBoss.damage;
+		healthBar.setText('Health: ' + Math.max(0, player.health));
+		if (player.health <= 0) {
+			LK.effects.flashScreen(0xff0000, 1000);
+			LK.showGameOver();
+			return;
+		}
+		LK.effects.flashObject(player, 0xff0000, 500);
+		LK.getSound('playerHit').play();
+	}
 }
 function updateWave() {
 	if (monstersKilled >= monstersPerWave && monsters.length === 0) {
-		if (waveNumber >= 5) {
-			LK.effects.flashScreen(0x00ff00, 1000);
-			LK.showYouWin();
+		if (waveNumber >= 5 && !isFinalBossActive) {
+			// Spawn final boss after wave 5
+			spawnFinalBoss();
+			waveText.setText('FINAL BOSS!');
 			return;
 		}
-		waveNumber++;
-		waveText.setText('Wave: ' + waveNumber);
-		// Increase difficulty
-		monstersPerWave += 4; // Add more monsters per wave
-		monsterSpawnRate = Math.max(30, monsterSpawnRate - 5); // Spawn even faster
-		// Reset counters
-		monstersSpawned = 0;
-		monstersKilled = 0;
+		if (waveNumber < 5) {
+			waveNumber++;
+			waveText.setText('Wave: ' + waveNumber);
+			// Increase difficulty
+			monstersPerWave += 4; // Add more monsters per wave
+			monsterSpawnRate = Math.max(30, monsterSpawnRate - 5); // Spawn even faster
+			// Reset counters
+			monstersSpawned = 0;
+			monstersKilled = 0;
+		}
 	}
 }
 function handleMove(x, y, obj) {
 	if (dragNode) {
@@ -305,17 +444,19 @@
 	if (LK.ticks - lastAutoShot > autoShootInterval) {
 		shootBullet();
 		lastAutoShot = LK.ticks;
 	}
-	// Spawn monsters
-	if (monstersSpawned < monstersPerWave && LK.ticks - lastMonsterSpawn > monsterSpawnRate) {
+	// Spawn monsters (only if not in final boss phase)
+	if (!isFinalBossActive && monstersSpawned < monstersPerWave && LK.ticks - lastMonsterSpawn > monsterSpawnRate) {
 		spawnMonster();
 		lastMonsterSpawn = LK.ticks;
 	}
 	// Check collisions
 	checkCollisions();
-	// Update wave
-	updateWave();
+	// Update wave (only if not in final boss phase)
+	if (!isFinalBossActive) {
+		updateWave();
+	}
 	// Update health bar color based on health
 	var healthPercent = player.health / player.maxHealth;
 	if (healthPercent > 0.6) {
 		healthBar.tint = 0x00ff00;