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

/**** 
* Classes
****/ 
var Boss = Container.expand(function () {
	var self = Container.call(this);
	var bossGraphics = self.attachAsset('boss', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 0.8;
	self.health = 10;
	self.maxHealth = 10;
	self.isBoss = true;
	self.lastPlayerX = 0;
	self.lastPlayerY = 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 > 0) {
				self.x += dx / distance * self.speed;
				self.y += dy / distance * self.speed;
			}
			self.lastPlayerX = player.x;
			self.lastPlayerY = player.y;
		}
	};
	self.takeDamage = function () {
		self.health--;
		LK.effects.flashObject(self, 0xFF4444, 200);
		if (self.health <= 0) {
			LK.effects.flashObject(self, 0xFFFFFF, 500);
			return true;
		}
		return false;
	};
	return self;
});
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 8;
	self.velocityX = 0;
	self.velocityY = 0;
	self.lifeTime = 120;
	self.age = 0;
	self.setDirection = function (targetX, targetY) {
		var dx = targetX - self.x;
		var dy = targetY - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 0) {
			self.velocityX = dx / distance * self.speed;
			self.velocityY = dy / distance * self.speed;
		}
	};
	self.update = function () {
		self.x += self.velocityX;
		self.y += self.velocityY;
		self.age++;
	};
	self.isExpired = function () {
		return self.age >= self.lifeTime || self.x < -50 || self.x > 2098 || self.y < -50 || self.y > 2782;
	};
	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 = 1.5;
	self.health = 1;
	self.lastPlayerX = 0;
	self.lastPlayerY = 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 > 0) {
				self.x += dx / distance * self.speed;
				self.y += dy / distance * self.speed;
			}
			self.lastPlayerX = player.x;
			self.lastPlayerY = player.y;
		}
	};
	self.takeDamage = function () {
		self.health--;
		if (self.health <= 0) {
			LK.effects.flashObject(self, 0xFFFFFF, 200);
			return true;
		}
		return false;
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	// Create all directional graphics
	self.playerGraphicsUp = self.attachAsset('player_up', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.playerGraphicsDown = self.attachAsset('player_down', {
		anchorX: 0.5,
		anchorY: 0.5,
		visible: false
	});
	self.playerGraphicsLeft = self.attachAsset('player_left', {
		anchorX: 0.5,
		anchorY: 0.5,
		visible: false
	});
	self.playerGraphicsRight = self.attachAsset('player_right', {
		anchorX: 0.5,
		anchorY: 0.5,
		visible: false
	});
	self.currentDirection = 'up';
	self.health = 100;
	self.maxHealth = 100;
	self.speed = 4;
	self.ammunition = 30;
	self.maxAmmo = 30;
	self.isReloading = false;
	self.reloadTime = 2000;
	self.setDirection = function (direction) {
		// Hide all graphics first
		self.playerGraphicsUp.visible = false;
		self.playerGraphicsDown.visible = false;
		self.playerGraphicsLeft.visible = false;
		self.playerGraphicsRight.visible = false;
		// Show the correct direction
		switch (direction) {
			case 'up':
				self.playerGraphicsUp.visible = true;
				break;
			case 'down':
				self.playerGraphicsDown.visible = true;
				break;
			case 'left':
				self.playerGraphicsLeft.visible = true;
				break;
			case 'right':
				self.playerGraphicsRight.visible = true;
				break;
		}
		self.currentDirection = direction;
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		if (self.health <= 0) {
			self.health = 0;
			LK.effects.flashScreen(0xFF0000, 1000);
			LK.showGameOver();
		} else {
			LK.effects.flashObject(self, 0xFF0000, 300);
		}
	};
	self.reload = function () {
		if (!self.isReloading && self.ammunition < self.maxAmmo) {
			self.isReloading = true;
			LK.getSound('reload').play();
			LK.setTimeout(function () {
				self.ammunition = self.maxAmmo;
				self.isReloading = false;
			}, self.reloadTime);
		}
	};
	self.canShoot = function () {
		return self.ammunition > 0 && !self.isReloading;
	};
	self.shoot = function () {
		if (self.canShoot()) {
			self.ammunition--;
			if (self.ammunition === 0) {
				self.reload();
			}
			return true;
		}
		return false;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2C3E50
});

/**** 
* Game Code
****/ 
var player;
var enemies = [];
var bullets = [];
var enemySpawnTimer = 0;
var enemySpawnRate = 180;
var gameStarted = false;
var lastTapTime = 0;
var tapCooldown = 150;
var mouseX = 2048 / 2;
var mouseY = 2732 / 2;
var bosses = [];
var lastBossScore = 0;
var bossActive = false;
// UI Elements
var healthText = new Text2('Health: 100', {
	size: 60,
	fill: 0xFFFFFF
});
healthText.anchor.set(0, 0);
LK.gui.topLeft.addChild(healthText);
healthText.x = 120;
healthText.y = 50;
var ammoText = new Text2('Ammo: 30/30', {
	size: 60,
	fill: 0xFFFFFF
});
ammoText.anchor.set(0, 0);
LK.gui.topLeft.addChild(ammoText);
ammoText.x = 120;
ammoText.y = 120;
var scoreText = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
// High Score display in top right
var highScore = storage.highScore || 0;
var highScoreText = new Text2('High Score: ' + highScore, {
	size: 60,
	fill: 0xFFD700
});
highScoreText.anchor.set(1, 0);
LK.gui.topRight.addChild(highScoreText);
highScoreText.x = -20;
highScoreText.y = 20;
// +10 Score button below score text
var scoreButtonBackground = LK.getAsset('buttonBackground', {
	anchorX: 0.5,
	anchorY: 0.5,
	alpha: 0.7
});
scoreButtonBackground.y = 140;
LK.gui.top.addChild(scoreButtonBackground);
var scoreButton = new Text2('+10 Score', {
	size: 60,
	fill: 0x00FF00
});
scoreButton.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreButton);
scoreButton.y = 100;
// Initialize player
player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 / 2;
// Movement controls
var movementKeys = {
	up: false,
	down: false,
	left: false,
	right: false
};
// Create virtual joystick areas for mobile
var moveUpArea = LK.getAsset('player_up', {
	anchorX: 0.5,
	anchorY: 0.5,
	alpha: 0.3,
	scaleX: 2,
	scaleY: 1
});
moveUpArea.x = 200;
moveUpArea.y = 2400;
game.addChild(moveUpArea);
var moveDownArea = LK.getAsset('player_up', {
	anchorX: 0.5,
	anchorY: 0.5,
	alpha: 0.3,
	scaleX: 2,
	scaleY: 1
});
moveDownArea.x = 200;
moveDownArea.y = 2600;
game.addChild(moveDownArea);
var moveLeftArea = LK.getAsset('player_up', {
	anchorX: 0.5,
	anchorY: 0.5,
	alpha: 0.3,
	scaleX: 1,
	scaleY: 2
});
moveLeftArea.x = 100;
moveLeftArea.y = 2500;
game.addChild(moveLeftArea);
var moveRightArea = LK.getAsset('player_up', {
	anchorX: 0.5,
	anchorY: 0.5,
	alpha: 0.3,
	scaleX: 1,
	scaleY: 2
});
moveRightArea.x = 300;
moveRightArea.y = 2500;
game.addChild(moveRightArea);
// Movement control handlers
moveUpArea.down = function () {
	movementKeys.up = true;
};
moveUpArea.up = function () {
	movementKeys.up = false;
};
moveDownArea.down = function () {
	movementKeys.down = true;
};
moveDownArea.up = function () {
	movementKeys.down = false;
};
moveLeftArea.down = function () {
	movementKeys.left = true;
};
moveLeftArea.up = function () {
	movementKeys.left = false;
};
moveRightArea.down = function () {
	movementKeys.right = true;
};
moveRightArea.up = function () {
	movementKeys.right = false;
};
function spawnEnemy() {
	var enemy = new Enemy();
	// Calculate speed multiplier based on score (10% faster every 10 points)
	var speedMultiplier = 1 + Math.floor(LK.getScore() / 10) * 0.1;
	enemy.speed = enemy.speed * speedMultiplier;
	var side = Math.floor(Math.random() * 4);
	switch (side) {
		case 0:
			// Top
			enemy.x = Math.random() * 2048;
			enemy.y = -25;
			break;
		case 1:
			// Right
			enemy.x = 2073;
			enemy.y = Math.random() * 2732;
			break;
		case 2:
			// Bottom
			enemy.x = Math.random() * 2048;
			enemy.y = 2757;
			break;
		case 3:
			// Left
			enemy.x = -25;
			enemy.y = Math.random() * 2732;
			break;
	}
	enemies.push(enemy);
	game.addChild(enemy);
}
function spawnBoss() {
	var boss = new Boss();
	var side = Math.floor(Math.random() * 4);
	switch (side) {
		case 0:
			// Top
			boss.x = Math.random() * 2048;
			boss.y = -50;
			break;
		case 1:
			// Right
			boss.x = 2098;
			boss.y = Math.random() * 2732;
			break;
		case 2:
			// Bottom
			boss.x = Math.random() * 2048;
			boss.y = 2782;
			break;
		case 3:
			// Left
			boss.x = -50;
			boss.y = Math.random() * 2732;
			break;
	}
	bosses.push(boss);
	game.addChild(boss);
	bossActive = true;
	LK.playMusic('bossMusic');
}
function fireBullet(targetX, targetY) {
	if (player.shoot()) {
		var bullet = new Bullet();
		bullet.x = player.x;
		bullet.y = player.y;
		bullet.setDirection(targetX, targetY);
		bullets.push(bullet);
		game.addChild(bullet);
		LK.getSound('shoot').play();
	}
}
// Mouse/touch tracking for player direction
game.move = function (x, y, obj) {
	mouseX = x;
	mouseY = y;
	// Calculate direction from player to mouse
	var dx = mouseX - player.x;
	var dy = mouseY - player.y;
	// Determine which direction is dominant
	if (Math.abs(dx) > Math.abs(dy)) {
		// Horizontal movement is dominant
		if (dx > 0) {
			player.setDirection('right');
		} else {
			player.setDirection('left');
		}
	} else {
		// Vertical movement is dominant
		if (dy > 0) {
			player.setDirection('down');
		} else {
			player.setDirection('up');
		}
	}
};
// Score button click handler
scoreButton.down = function (x, y, obj) {
	LK.setScore(LK.getScore() + 10);
	scoreText.setText('Score: ' + LK.getScore());
	// Update high score if current score is higher
	if (LK.getScore() > highScore) {
		highScore = LK.getScore();
		storage.highScore = highScore;
		highScoreText.setText('High Score: ' + highScore);
	}
};
// Score button background click handler
scoreButtonBackground.down = function (x, y, obj) {
	LK.setScore(LK.getScore() + 10);
	scoreText.setText('Score: ' + LK.getScore());
	// Update high score if current score is higher
	if (LK.getScore() > highScore) {
		highScore = LK.getScore();
		storage.highScore = highScore;
		highScoreText.setText('High Score: ' + highScore);
	}
};
// Shooting controls
game.down = function (x, y, obj) {
	var currentTime = Date.now();
	if (currentTime - lastTapTime > tapCooldown) {
		mouseX = x;
		mouseY = y;
		// Update direction when shooting
		var dx = mouseX - player.x;
		var dy = mouseY - player.y;
		if (Math.abs(dx) > Math.abs(dy)) {
			if (dx > 0) {
				player.setDirection('right');
			} else {
				player.setDirection('left');
			}
		} else {
			if (dy > 0) {
				player.setDirection('down');
			} else {
				player.setDirection('up');
			}
		}
		fireBullet(x, y);
		lastTapTime = currentTime;
	}
};
// Main game loop
game.update = function () {
	if (!player) return;
	// Player movement
	if (movementKeys.up && player.y > 30) {
		player.y -= player.speed;
	}
	if (movementKeys.down && player.y < 2702) {
		player.y += player.speed;
	}
	if (movementKeys.left && player.x > 30) {
		player.x -= player.speed;
	}
	if (movementKeys.right && player.x < 2018) {
		player.x += player.speed;
	}
	// Spawn enemies
	enemySpawnTimer++;
	if (enemySpawnTimer >= enemySpawnRate) {
		spawnEnemy();
		enemySpawnTimer = 0;
		// Increase difficulty over time
		if (enemySpawnRate > 60) {
			enemySpawnRate--;
		}
	}
	// Check for boss spawn every 25 points
	if (LK.getScore() > 0 && LK.getScore() % 25 === 0 && LK.getScore() !== lastBossScore && !bossActive) {
		spawnBoss();
		lastBossScore = LK.getScore();
	}
	// Update bullets
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		if (bullet.isExpired()) {
			bullet.destroy();
			bullets.splice(i, 1);
			continue;
		}
		// Check bullet-enemy collisions
		for (var j = enemies.length - 1; j >= 0; j--) {
			var enemy = enemies[j];
			if (bullet.intersects(enemy)) {
				if (enemy.takeDamage()) {
					LK.setScore(LK.getScore() + 1);
					scoreText.setText('Score: ' + LK.getScore());
					// Update high score if current score is higher
					if (LK.getScore() > highScore) {
						highScore = LK.getScore();
						storage.highScore = highScore;
						highScoreText.setText('High Score: ' + highScore);
					}
					LK.getSound('enemyHit').play();
					enemy.destroy();
					enemies.splice(j, 1);
				}
				bullet.destroy();
				bullets.splice(i, 1);
				break;
			}
		}
		// Check bullet-boss collisions
		for (var b = bosses.length - 1; b >= 0; b--) {
			var boss = bosses[b];
			if (bullet.intersects(boss)) {
				if (boss.takeDamage()) {
					LK.setScore(LK.getScore() + 10);
					scoreText.setText('Score: ' + LK.getScore());
					// Update high score if current score is higher
					if (LK.getScore() > highScore) {
						highScore = LK.getScore();
						storage.highScore = highScore;
						highScoreText.setText('High Score: ' + highScore);
					}
					LK.getSound('bossDeath').play();
					boss.destroy();
					bosses.splice(b, 1);
					bossActive = false;
					LK.stopMusic();
				}
				bullet.destroy();
				bullets.splice(i, 1);
				break;
			}
		}
	}
	// Check player-enemy collisions
	for (var k = enemies.length - 1; k >= 0; k--) {
		var enemy = enemies[k];
		if (player.intersects(enemy)) {
			player.takeDamage(100);
			break;
		}
	}
	// Check player-boss collisions
	for (var m = bosses.length - 1; m >= 0; m--) {
		var boss = bosses[m];
		if (player.intersects(boss)) {
			player.takeDamage(100);
			break;
		}
	}
	// Update UI
	healthText.setText('Health: ' + player.health);
	if (player.isReloading) {
		ammoText.setText('Reloading...');
	} else {
		ammoText.setText('Ammo: ' + player.ammunition + '/' + player.maxAmmo);
	}
};

===================================================================
--- original.js
+++ change.js
@@ -251,8 +251,15 @@
 LK.gui.topRight.addChild(highScoreText);
 highScoreText.x = -20;
 highScoreText.y = 20;
 // +10 Score button below score text
+var scoreButtonBackground = LK.getAsset('buttonBackground', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	alpha: 0.7
+});
+scoreButtonBackground.y = 140;
+LK.gui.top.addChild(scoreButtonBackground);
 var scoreButton = new Text2('+10 Score', {
 	size: 60,
 	fill: 0x00FF00
 });
@@ -442,8 +449,19 @@
 		storage.highScore = highScore;
 		highScoreText.setText('High Score: ' + highScore);
 	}
 };
+// Score button background click handler
+scoreButtonBackground.down = function (x, y, obj) {
+	LK.setScore(LK.getScore() + 10);
+	scoreText.setText('Score: ' + LK.getScore());
+	// Update high score if current score is higher
+	if (LK.getScore() > highScore) {
+		highScore = LK.getScore();
+		storage.highScore = highScore;
+		highScoreText.setText('High Score: ' + highScore);
+	}
+};
 // Shooting controls
 game.down = function (x, y, obj) {
 	var currentTime = Date.now();
 	if (currentTime - lastTapTime > tapCooldown) {
@@ -542,9 +560,9 @@
 						highScore = LK.getScore();
 						storage.highScore = highScore;
 						highScoreText.setText('High Score: ' + highScore);
 					}
-					LK.getSound('enemyHit').play();
+					LK.getSound('bossDeath').play();
 					boss.destroy();
 					bosses.splice(b, 1);
 					bossActive = false;
 					LK.stopMusic();