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

/**** 
* Classes
****/ 
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	var leftEye = self.attachAsset('enemyEye', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: -10,
		y: -35
	});
	var rightEye = self.attachAsset('enemyEye', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 10,
		y: -35
	});
	var spike1 = self.attachAsset('enemySpike', {
		anchorX: 0.5,
		anchorY: 1.0,
		x: -15,
		y: -45
	});
	var spike2 = self.attachAsset('enemySpike', {
		anchorX: 0.5,
		anchorY: 1.0,
		x: 0,
		y: -50
	});
	var spike3 = self.attachAsset('enemySpike', {
		anchorX: 0.5,
		anchorY: 1.0,
		x: 15,
		y: -45
	});
	self.velocityX = 3;
	self.direction = 1;
	self.startX = 0;
	self.patrolDistance = 200;
	self.update = function () {
		self.x += self.velocityX * self.direction;
		// Patrol behavior
		if (Math.abs(self.x - self.startX) > self.patrolDistance) {
			self.direction *= -1;
		}
		// Check collision with hero
		if (self.intersects(hero)) {
			// Check if hero jumped on enemy
			if (hero.velocityY > 0 && hero.y < self.y - 25) {
				self.defeat();
				hero.velocityY = -15; // Bounce
			} else {
				hero.die();
			}
		}
		// Check collision with projectiles
		for (var i = projectiles.length - 1; i >= 0; i--) {
			var projectile = projectiles[i];
			if (self.intersects(projectile)) {
				self.defeat();
				projectile.destroy();
				projectiles.splice(i, 1);
				break;
			}
		}
	};
	self.defeat = function () {
		LK.setScore(LK.getScore() + 100);
		scoreText.setText(LK.getScore());
		LK.getSound('defeat').play();
		// Flash effect when defeating enemy
		LK.effects.flashScreen(0xff1744, 300);
		// Remove from enemies array
		for (var i = enemies.length - 1; i >= 0; i--) {
			if (enemies[i] === self) {
				enemies.splice(i, 1);
				break;
			}
		}
		self.destroy();
	};
	return self;
});
var Hero = Container.expand(function () {
	var self = Container.call(this);
	var heroBody = self.attachAsset('heroBody', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	var heroHead = self.attachAsset('heroHead', {
		anchorX: 0.5,
		anchorY: 1.0,
		x: 0,
		y: -45
	});
	var heroGraphics = heroBody;
	self.velocityX = 0;
	self.velocityY = 0;
	self.speed = 8;
	self.jumpPower = -30;
	self.gravity = 1;
	self.onGround = false;
	self.facingRight = true;
	self.jumpsRemaining = 0;
	self.maxJumps = 3;
	self.jumpCooldown = 0;
	self.update = function () {
		// Apply gravity
		self.velocityY += self.gravity;
		// Apply velocity
		self.x += self.velocityX;
		self.y += self.velocityY;
		// Apply friction
		self.velocityX *= 0.8;
		// Decrease jump cooldown
		if (self.jumpCooldown > 0) {
			self.jumpCooldown--;
		}
		// Check platform collisions
		self.onGround = false;
		for (var i = 0; i < platforms.length; i++) {
			var platform = platforms[i];
			if (self.intersects(platform)) {
				// Landing on top of platform
				if (self.velocityY > 0 && self.y - 60 < platform.y) {
					self.y = platform.y;
					self.velocityY = 0;
					self.onGround = true;
					self.jumpsRemaining = self.maxJumps; // Reset jumps when landing
				}
			}
		}
		// Keep hero on screen horizontally
		if (self.x < 30) self.x = 30;
		if (self.x > 2018) self.x = 2018;
		// Check if fallen off screen
		if (self.y > 2800) {
			self.die();
		}
		// Update sprite direction
		if (self.velocityX > 1 && !self.facingRight) {
			heroGraphics.scaleX = 1;
			self.facingRight = true;
		} else if (self.velocityX < -1 && self.facingRight) {
			heroGraphics.scaleX = -1;
			self.facingRight = false;
		}
	};
	self.jump = function () {
		// Can jump if on ground or have remaining air jumps, and no cooldown
		if ((self.onGround || self.jumpsRemaining > 0) && self.jumpCooldown <= 0) {
			self.velocityY = self.jumpPower;
			if (self.onGround) {
				self.onGround = false;
				self.jumpsRemaining = self.maxJumps - 1; // Use one jump, have 2 remaining
			} else {
				self.jumpsRemaining--; // Use an air jump
			}
			self.jumpCooldown = 10; // 10 frame cooldown between jumps
			LK.getSound('jump').play();
		}
	};
	self.moveLeft = function () {
		self.velocityX = -self.speed;
	};
	self.moveRight = function () {
		self.velocityX = self.speed;
	};
	self.shoot = function () {
		var newProjectile = new Projectile();
		newProjectile.x = self.x;
		newProjectile.y = self.y - 30;
		newProjectile.velocityX = self.facingRight ? 15 : -15;
		projectiles.push(newProjectile);
		game.addChild(newProjectile);
		LK.getSound('shoot').play();
	};
	self.die = function () {
		lives--;
		if (lives <= 0) {
			LK.showGameOver();
		} else {
			self.respawn();
		}
	};
	self.respawn = function () {
		self.x = 200;
		self.y = 2000;
		self.velocityX = 0;
		self.velocityY = 0;
		self.jumpsRemaining = self.maxJumps;
		self.jumpCooldown = 0;
	};
	return self;
});
var Platform = Container.expand(function (width, height) {
	var self = Container.call(this);
	var platformGraphics = self.attachAsset('platform', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: width || 300,
		height: height || 40
	});
	var leftEdge = self.attachAsset('platformEdge', {
		anchorX: 1.0,
		anchorY: 0.5,
		x: -(width || 300) / 2,
		y: 0
	});
	var rightEdge = self.attachAsset('platformEdge', {
		anchorX: 0.0,
		anchorY: 0.5,
		x: (width || 300) / 2,
		y: 0
	});
	var grass = self.attachAsset('platformGrass', {
		anchorX: 0.5,
		anchorY: 1.0,
		width: width || 300,
		x: 0,
		y: -(height || 40) / 2
	});
	return self;
});
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	var powerupGlow = self.attachAsset('powerupGlow', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var powerupGraphics = self.attachAsset('powerup', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var powerupCore = self.attachAsset('powerupCore', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.bobOffset = 0;
	self.startY = 0;
	self.update = function () {
		// Bobbing animation
		self.bobOffset += 0.1;
		self.y = self.startY + Math.sin(self.bobOffset) * 10;
		// Check collision with hero
		if (self.intersects(hero)) {
			self.collect();
		}
	};
	self.collect = function () {
		LK.setScore(LK.getScore() + 50);
		scoreText.setText(LK.getScore());
		LK.getSound('collect').play();
		// Flash effect when collecting
		LK.effects.flashScreen(0xffd700, 300);
		// Remove from powerups array
		for (var i = powerups.length - 1; i >= 0; i--) {
			if (powerups[i] === self) {
				powerups.splice(i, 1);
				break;
			}
		}
		self.destroy();
	};
	return self;
});
var Projectile = Container.expand(function () {
	var self = Container.call(this);
	var projectileGlow = self.attachAsset('projectileGlow', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var projectileGraphics = self.attachAsset('projectile', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocityX = 0;
	self.velocityY = 0;
	self.gravity = 0.5;
	self.update = function () {
		self.velocityY += self.gravity;
		self.x += self.velocityX;
		self.y += self.velocityY;
		// Remove if off screen
		if (self.x < -50 || self.x > 2098 || self.y > 2800) {
			// Remove from projectiles array
			for (var i = projectiles.length - 1; i >= 0; i--) {
				if (projectiles[i] === self) {
					projectiles.splice(i, 1);
					break;
				}
			}
			self.destroy();
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB
});

/**** 
* Game Code
****/ 
// Game variables
var hero;
var platforms = [];
var enemies = [];
var powerups = [];
var projectiles = [];
var lives = 3;
// UI Elements
var scoreText = new Text2('Score: 0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0, 0);
scoreText.x = 150;
scoreText.y = 50;
LK.gui.topLeft.addChild(scoreText);
var livesText = new Text2('Lives: 3', {
	size: 60,
	fill: 0xFFFFFF
});
livesText.anchor.set(1, 0);
LK.gui.topRight.addChild(livesText);
// Create hero
hero = game.addChild(new Hero());
hero.x = 200;
hero.y = 2000;
// Create platforms
var platformData = [{
	x: 150,
	y: 2200,
	width: 300
}, {
	x: 600,
	y: 2050,
	width: 200
}, {
	x: 1000,
	y: 1920,
	width: 250
}, {
	x: 1400,
	y: 1790,
	width: 300
}, {
	x: 1800,
	y: 1660,
	width: 200
}, {
	x: 300,
	y: 1530,
	width: 200
}, {
	x: 700,
	y: 1400,
	width: 300
}, {
	x: 1200,
	y: 1270,
	width: 250
}, {
	x: 1600,
	y: 1140,
	width: 200
}, {
	x: 400,
	y: 1010,
	width: 300
}, {
	x: 900,
	y: 880,
	width: 200
}, {
	x: 1300,
	y: 750,
	width: 250
}, {
	x: 500,
	y: 620,
	width: 300
}, {
	x: 1000,
	y: 490,
	width: 400
}];
for (var i = 0; i < platformData.length; i++) {
	var pData = platformData[i];
	var platform = game.addChild(new Platform(pData.width, 40));
	platform.x = pData.x;
	platform.y = pData.y;
	platforms.push(platform);
}
;
// Start background music
LK.playMusic('bgmusic');
// Create enemies
var enemyData = [{
	x: 600,
	y: 2010,
	startX: 600
}, {
	x: 1000,
	y: 1880,
	startX: 1000
}, {
	x: 1400,
	y: 1750,
	startX: 1400
}, {
	x: 700,
	y: 1360,
	startX: 700
}, {
	x: 1200,
	y: 1230,
	startX: 1200
}, {
	x: 500,
	y: 580,
	startX: 500
}];
for (var i = 0; i < enemyData.length; i++) {
	var eData = enemyData[i];
	var enemy = game.addChild(new Enemy());
	enemy.x = eData.x;
	enemy.y = eData.y;
	enemy.startX = eData.startX;
	enemies.push(enemy);
}
// Create power-ups
var powerupData = [{
	x: 1000,
	y: 1880
}, {
	x: 1800,
	y: 1620
}, {
	x: 300,
	y: 1490
}, {
	x: 1200,
	y: 1230
}, {
	x: 900,
	y: 840
}, {
	x: 1000,
	y: 450
}];
for (var i = 0; i < powerupData.length; i++) {
	var pData = powerupData[i];
	var powerup = game.addChild(new PowerUp());
	powerup.x = pData.x;
	powerup.y = pData.y;
	powerup.startY = pData.y;
	powerups.push(powerup);
}
// Touch controls
var leftPressed = false;
var rightPressed = false;
// Control buttons with visual indicators
var leftButton = game.addChild(new Container());
var leftButtonBorder = leftButton.attachAsset('controlButtonBorder', {
	anchorX: 0.5,
	anchorY: 0.5
});
var leftButtonGraphics = leftButton.attachAsset('controlButton', {
	anchorX: 0.5,
	anchorY: 0.5
});
leftButton.x = 150;
leftButton.y = 2550;
var rightButton = game.addChild(new Container());
var rightButtonBorder = rightButton.attachAsset('controlButtonBorder', {
	anchorX: 0.5,
	anchorY: 0.5
});
var rightButtonGraphics = rightButton.attachAsset('controlButton', {
	anchorX: 0.5,
	anchorY: 0.5
});
rightButton.x = 350;
rightButton.y = 2550;
var jumpButton = game.addChild(new Container());
var jumpButtonBorder = jumpButton.attachAsset('jumpButtonBorder', {
	anchorX: 0.5,
	anchorY: 0.5
});
var jumpButtonGraphics = jumpButton.attachAsset('jumpButton', {
	anchorX: 0.5,
	anchorY: 0.5
});
jumpButton.x = 1848;
jumpButton.y = 2550;
var shootButton = game.addChild(new Container());
var shootButtonBorder = shootButton.attachAsset('shootButtonBorder', {
	anchorX: 0.5,
	anchorY: 0.5
});
var shootButtonGraphics = shootButton.attachAsset('shootButton', {
	anchorX: 0.5,
	anchorY: 0.5
});
shootButton.x = 1524;
shootButton.y = 2550;
// Add button labels
var leftLabel = new Text2('<', {
	size: 80,
	fill: 0xFFFFFF
});
leftLabel.anchor.set(0.5, 0.5);
leftLabel.x = 0;
leftLabel.y = 0;
leftButton.addChild(leftLabel);
var rightLabel = new Text2('>', {
	size: 80,
	fill: 0xFFFFFF
});
rightLabel.anchor.set(0.5, 0.5);
rightLabel.x = 0;
rightLabel.y = 0;
rightButton.addChild(rightLabel);
var jumpLabel = new Text2('JUMP', {
	size: 40,
	fill: 0xFFFFFF
});
jumpLabel.anchor.set(0.5, 0.5);
jumpLabel.x = 0;
jumpLabel.y = 0;
jumpButton.addChild(jumpLabel);
var shootLabel = new Text2('SHOOT', {
	size: 30,
	fill: 0xFFFFFF
});
shootLabel.anchor.set(0.5, 0.5);
shootLabel.x = 0;
shootLabel.y = 0;
shootButton.addChild(shootLabel);
leftButton.down = function () {
	leftPressed = true;
	leftButtonGraphics.alpha = 0.5;
};
leftButton.up = function () {
	leftPressed = false;
	leftButtonGraphics.alpha = 1.0;
};
rightButton.down = function () {
	rightPressed = true;
	rightButtonGraphics.alpha = 0.5;
};
rightButton.up = function () {
	rightPressed = false;
	rightButtonGraphics.alpha = 1.0;
};
jumpButton.down = function () {
	hero.jump();
	jumpButtonGraphics.alpha = 0.5;
};
jumpButton.up = function () {
	jumpButtonGraphics.alpha = 1.0;
};
shootButton.down = function () {
	hero.shoot();
	shootButtonGraphics.alpha = 0.5;
};
shootButton.up = function () {
	shootButtonGraphics.alpha = 1.0;
};
game.update = function () {
	// Handle continuous movement
	if (leftPressed) {
		hero.moveLeft();
	}
	if (rightPressed) {
		hero.moveRight();
	}
	// Update lives display
	livesText.setText('Lives: ' + lives);
	// Update progress display
	var progressText = 'Enemies: ' + enemies.length + ' | Coins: ' + powerups.length;
	if (!game.progressDisplay) {
		game.progressDisplay = new Text2(progressText, {
			size: 50,
			fill: 0xFFFFFF
		});
		game.progressDisplay.anchor.set(0.5, 0);
		game.progressDisplay.x = 0;
		game.progressDisplay.y = 50;
		LK.gui.top.addChild(game.progressDisplay);
	}
	game.progressDisplay.setText(progressText);
	// Check win condition - must kill all enemies and collect all powerups
	if (enemies.length === 0 && powerups.length === 0) {
		LK.showYouWin();
	}
	// Clean up destroyed projectiles
	for (var i = projectiles.length - 1; i >= 0; i--) {
		if (!projectiles[i].parent) {
			projectiles.splice(i, 1);
		}
	}
	// Clean up destroyed enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		if (!enemies[i].parent) {
			enemies.splice(i, 1);
		}
	}
	// Clean up destroyed powerups
	for (var i = powerups.length - 1; i >= 0; i--) {
		if (!powerups[i].parent) {
			powerups.splice(i, 1);
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -407,11 +407,9 @@
 	platforms.push(platform);
 }
 ;
 // Start background music
-LK.playMusic('bgmusic', {
-	volume: 0.3
-});
+LK.playMusic('bgmusic');
 // Create enemies
 var enemyData = [{
 	x: 600,
 	y: 2010,