/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1", {
	highScore: 0,
	level: 1
});

/**** 
* Classes
****/ 
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	self.type = "player"; // default, can be "enemy"
	self.speed = 15;
	self.damage = 10;
	self.isActive = true;
	self.init = function (type) {
		self.type = type || "player";
		var assetId = self.type === "player" ? "playerBullet" : "enemyBullet";
		self.bulletGraphics = self.attachAsset(assetId, {
			anchorX: 0.5,
			anchorY: 0.5
		});
		return self;
	};
	self.update = function () {
		if (self.type === "player") {
			self.x += self.speed;
		} else {
			self.x -= self.speed;
		}
		// Remove bullets that go off screen
		if (self.x > 2048 || self.x < 0) {
			self.isActive = false;
		}
	};
	return self;
});
var Character = Container.expand(function () {
	var self = Container.call(this);
	self.health = 100;
	self.maxHealth = 100;
	self.isPlayer = true;
	self.canShoot = true;
	self.reactionTime = 0;
	self.gunDrawn = false;
	self.level = 1;
	self.init = function (isPlayer) {
		self.isPlayer = isPlayer;
		var assetId = self.isPlayer ? "playerGun" : "enemyGun";
		self.gunGraphics = self.attachAsset(assetId, {
			anchorX: 0.5,
			anchorY: 0.5
		});
		if (!self.isPlayer) {
			self.gunGraphics.scaleX = -1; // Flip enemy gun
			// Adjust enemy difficulty based on level
			self.reactionTime = Math.max(1000 - currentLevel * 100, 300); // Minimum 300ms reaction time
		}
		// Initially guns are holstered (not visible)
		self.gunGraphics.alpha = 0;
		return self;
	};
	self.drawGun = function () {
		if (self.gunDrawn) return;
		self.gunGraphics.alpha = 1;
		self.gunGraphics.y = 0;
		self.gunDrawn = true;
		LK.getSound('reload').play();
		tween(self.gunGraphics, {
			y: -20
		}, {
			duration: 200,
			easing: tween.easeOut
		});
	};
	self.holsterGun = function () {
		if (!self.gunDrawn) return;
		tween(self.gunGraphics, {
			alpha: 0
		}, {
			duration: 300,
			easing: tween.easeIn,
			onFinish: function onFinish() {
				self.gunDrawn = false;
				self.gunGraphics.y = 0;
			}
		});
	};
	self.shoot = function () {
		if (!self.canShoot || !self.gunDrawn) return null;
		LK.getSound('gunshot').play();
		// Create muzzle flash effect
		var flash = LK.getAsset('playerBullet', {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 2,
			scaleY: 2
		});
		flash.tint = 0xFFFFAA;
		var xOffset = self.isPlayer ? 75 : -75;
		flash.x = self.x + xOffset;
		flash.y = self.y;
		game.addChild(flash);
		tween(flash, {
			alpha: 0,
			scaleX: 3,
			scaleY: 3
		}, {
			duration: 100,
			onFinish: function onFinish() {
				flash.destroy();
			}
		});
		// Gun recoil animation
		var recoilX = self.isPlayer ? -15 : 15;
		tween(self.gunGraphics, {
			x: recoilX
		}, {
			duration: 50,
			onFinish: function onFinish() {
				tween(self.gunGraphics, {
					x: 0
				}, {
					duration: 100
				});
			}
		});
		// Create bullet
		var bullet = new Bullet().init(self.isPlayer ? "player" : "enemy");
		bullet.x = self.x + xOffset;
		bullet.y = self.y;
		// Add cooldown
		self.canShoot = false;
		LK.setTimeout(function () {
			self.canShoot = true;
		}, 1000);
		return bullet;
	};
	self.takeDamage = function (amount) {
		self.health -= amount;
		if (self.health <= 0) {
			self.health = 0;
			return true; // Character died
		}
		// Flash red when hit
		LK.effects.flashObject(self, 0xFF0000, 300);
		LK.getSound('hit').play();
		return false; // Character still alive
	};
	return self;
});
var HealthBar = Container.expand(function () {
	var self = Container.call(this);
	self.init = function (isPlayer) {
		self.isPlayer = isPlayer;
		self.maxWidth = 300;
		self.healthBar = self.attachAsset(isPlayer ? 'playerHealth' : 'enemyHealth', {
			anchorX: 0,
			anchorY: 0.5
		});
		self.healthText = new Text2('100/100', {
			size: 36,
			fill: 0xFFFFFF
		});
		if (isPlayer) {
			self.healthText.anchor.set(0, 0.5);
			self.healthText.x = 10;
		} else {
			self.healthText.anchor.set(1, 0.5);
			self.healthText.x = -10;
		}
		self.addChild(self.healthText);
		return self;
	};
	self.update = function (current, max) {
		var percentage = Math.max(0, current / max);
		self.healthBar.width = this.maxWidth * percentage;
		// Change color based on health
		if (percentage > 0.6) {
			self.healthBar.tint = 0x00FF00; // Green
		} else if (percentage > 0.3) {
			self.healthBar.tint = 0xFFFF00; // Yellow
		} else {
			self.healthBar.tint = 0xFF0000; // Red
		}
		self.healthText.setText(Math.floor(current) + '/' + max);
	};
	return self;
});
var SignDisplay = Container.expand(function () {
	var self = Container.call(this);
	self.currentSign = null;
	self.init = function () {
		self.readySign = self.attachAsset('readySign', {
			anchorX: 0.5,
			anchorY: 0.5,
			alpha: 0
		});
		self.drawSign = self.attachAsset('drawSign', {
			anchorX: 0.5,
			anchorY: 0.5,
			alpha: 0
		});
		self.readyText = new Text2('READY', {
			size: 100,
			fill: 0x000000
		});
		self.readyText.anchor.set(0.5, 0.5);
		self.readySign.addChild(self.readyText);
		self.drawText = new Text2('DRAW!', {
			size: 120,
			fill: 0x000000
		});
		self.drawText.anchor.set(0.5, 0.5);
		self.drawSign.addChild(self.drawText);
		return self;
	};
	self.showReady = function () {
		self.currentSign = "ready";
		self.readySign.alpha = 1;
		self.drawSign.alpha = 0;
		tween(self.readySign, {
			scaleX: 1.1,
			scaleY: 1.1
		}, {
			duration: 500,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				tween(self.readySign, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 500,
					easing: tween.easeInOut
				});
			}
		});
	};
	self.showDraw = function () {
		self.currentSign = "draw";
		self.readySign.alpha = 0;
		self.drawSign.alpha = 1;
		// Make it pop in with a scale effect
		self.drawSign.scaleX = 0.5;
		self.drawSign.scaleY = 0.5;
		tween(self.drawSign, {
			scaleX: 1.2,
			scaleY: 1.2
		}, {
			duration: 200,
			easing: tween.elastic,
			onFinish: function onFinish() {
				tween(self.drawSign, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 100
				});
			}
		});
	};
	self.hideAll = function () {
		self.currentSign = null;
		tween(self.readySign, {
			alpha: 0
		}, {
			duration: 200
		});
		tween(self.drawSign, {
			alpha: 0
		}, {
			duration: 200
		});
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
// Game state variables
var gameState = "startup"; // startup, ready, waiting, shooting, cooldown, gameover
var currentLevel = storage.level || 1;
var score = 0;
var highScore = storage.highScore || 0;
var playerShot = false;
var enemyShot = false;
var drawTime = 0;
var playerReactionTime = 0;
var earliestAllowedDrawTime = 0;
var waitStartTime = 0;
var bullets = [];
var readyToAdvance = false;
// Create main game background
var background = game.addChild(LK.getAsset('background', {
	x: 0,
	y: 0,
	anchorX: 0,
	anchorY: 0
}));
// Create player and enemy
var player = new Character().init(true);
player.x = 400;
player.y = 2732 / 2;
game.addChild(player);
var enemy = new Character().init(false);
enemy.x = 2048 - 400;
enemy.y = 2732 / 2;
game.addChild(enemy);
// Create signage for READY and DRAW
var signDisplay = new SignDisplay().init();
signDisplay.x = 2048 / 2;
signDisplay.y = 2732 / 3;
game.addChild(signDisplay);
// Create health bars
var playerHealth = new HealthBar().init(true);
playerHealth.x = 50;
playerHealth.y = 100;
game.addChild(playerHealth);
var enemyHealth = new HealthBar().init(false);
enemyHealth.x = 2048 - 50;
enemyHealth.y = 100;
game.addChild(enemyHealth);
// Text displays
var levelText = new Text2('Level ' + currentLevel, {
	size: 70,
	fill: 0xFFFFFF
});
levelText.anchor.set(0.5, 0);
LK.gui.top.addChild(levelText);
var scoreText = new Text2('Score: 0', {
	size: 50,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0.5, 0);
scoreText.y = 80;
LK.gui.top.addChild(scoreText);
var messageText = new Text2('', {
	size: 50,
	fill: 0xFFFFFF
});
messageText.anchor.set(0.5, 0.5);
messageText.x = 2048 / 2;
messageText.y = 2732 / 2 + 300;
game.addChild(messageText);
var reactionTimeText = new Text2('', {
	size: 40,
	fill: 0xFFFFFF
});
reactionTimeText.anchor.set(0.5, 0.5);
reactionTimeText.x = 2048 / 2;
reactionTimeText.y = 2732 / 2 + 400;
game.addChild(reactionTimeText);
// Helper functions
function resetRound() {
	gameState = "ready";
	playerShot = false;
	enemyShot = false;
	playerReactionTime = 0;
	drawTime = 0;
	waitStartTime = 0;
	// Clear any bullets
	for (var i = 0; i < bullets.length; i++) {
		if (bullets[i] && bullets[i].parent) {
			bullets[i].destroy();
		}
	}
	bullets = [];
	// Reset characters
	player.holsterGun();
	enemy.holsterGun();
	player.canShoot = true;
	enemy.canShoot = true;
	// Hide messages
	reactionTimeText.setText('');
	messageText.setText('');
	// Start the ready sequence
	signDisplay.showReady();
	// Wait 2-4 seconds before showing DRAW
	var waitTime = 2000 + Math.random() * 2000;
	LK.setTimeout(function () {
		if (gameState !== "ready") return;
		gameState = "waiting";
		waitStartTime = Date.now();
		earliestAllowedDrawTime = waitStartTime;
		signDisplay.showDraw();
		drawTime = Date.now();
		// Enemy reaction
		LK.setTimeout(function () {
			if (gameState !== "waiting" && gameState !== "shooting") return;
			enemy.drawGun();
			// Enemy shoots after drawing
			LK.setTimeout(function () {
				if (gameState !== "waiting" && gameState !== "shooting") return;
				if (!enemyShot && enemy.canShoot) {
					var bullet = enemy.shoot();
					if (bullet) {
						bullets.push(bullet);
						game.addChild(bullet);
						enemyShot = true;
					}
				}
			}, 200);
		}, enemy.reactionTime);
	}, waitTime);
}
function updateScore(points) {
	score += points;
	LK.setScore(score);
	scoreText.setText('Score: ' + score);
	if (score > highScore) {
		highScore = score;
		storage.highScore = highScore;
	}
}
function calculatePoints() {
	if (playerReactionTime <= 0) return 0;
	// Faster reaction gets more points
	var basePoints = 500;
	var timeBonus = Math.max(0, 1000 - playerReactionTime);
	var levelBonus = currentLevel * 50;
	return basePoints + timeBonus + levelBonus;
}
function advanceLevel() {
	currentLevel++;
	storage.level = currentLevel;
	levelText.setText('Level ' + currentLevel);
	// Make enemy more challenging as levels increase
	enemy.reactionTime = Math.max(1000 - currentLevel * 100, 300);
	// Reset health for next level
	player.health = player.maxHealth;
	enemy.health = enemy.maxHealth;
	playerHealth.update(player.health, player.maxHealth);
	enemyHealth.update(enemy.health, enemy.maxHealth);
	readyToAdvance = false;
	resetRound();
}
function showMessage(text, duration) {
	messageText.setText(text);
	if (duration) {
		LK.setTimeout(function () {
			messageText.setText('');
		}, duration);
	}
}
// Set up touch events
game.down = function (x, y, obj) {
	if (gameState === "ready") {
		// Too early - false start
		playerReactionTime = -1;
		gameState = "cooldown";
		player.drawGun();
		showMessage("False start! Wait for the DRAW signal!", 2000);
		LK.setTimeout(function () {
			resetRound();
		}, 2000);
		return;
	}
	if (gameState === "waiting" || gameState === "shooting") {
		// Player draws gun
		if (!player.gunDrawn) {
			player.drawGun();
			gameState = "shooting";
			// Calculate reaction time
			if (drawTime > 0) {
				playerReactionTime = Date.now() - drawTime;
				reactionTimeText.setText('Reaction time: ' + playerReactionTime + 'ms');
			}
		}
		// Player shoots
		else if (!playerShot && player.canShoot) {
			var bullet = player.shoot();
			if (bullet) {
				bullets.push(bullet);
				game.addChild(bullet);
				playerShot = true;
			}
		}
	}
	if (gameState === "cooldown" && readyToAdvance) {
		advanceLevel();
	}
};
// Start initial music
LK.playMusic('westernTheme', {
	fade: {
		start: 0,
		end: 0.3,
		duration: 1000
	}
});
// Start the game
LK.setTimeout(function () {
	resetRound();
}, 500);
// Game update loop
game.update = function () {
	// Update health bars
	playerHealth.update(player.health, player.maxHealth);
	enemyHealth.update(enemy.health, enemy.maxHealth);
	// Update bullets
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		if (!bullet.isActive) {
			bullet.destroy();
			bullets.splice(i, 1);
			continue;
		}
		// Check for player hit
		if (bullet.type === "enemy" && bullet.intersects(player)) {
			var isDead = player.takeDamage(bullet.damage);
			bullet.isActive = false;
			if (isDead) {
				gameState = "gameover";
				showMessage("You were shot! Game over.", 3000);
				LK.setTimeout(function () {
					LK.showGameOver();
				}, 3000);
			}
		}
		// Check for enemy hit
		if (bullet.type === "player" && bullet.intersects(enemy)) {
			var isEnemyDead = enemy.takeDamage(bullet.damage);
			bullet.isActive = false;
			if (isEnemyDead) {
				gameState = "cooldown";
				var points = calculatePoints();
				updateScore(points);
				showMessage("Nice shot! +" + points + " points!", 2000);
				readyToAdvance = true;
				LK.setTimeout(function () {
					if (gameState === "cooldown") {
						messageText.setText("Tap to continue to level " + (currentLevel + 1));
					}
				}, 2000);
			}
		}
	}
	// Check if both player and enemy have shot
	if (gameState === "shooting" && playerShot && enemyShot) {
		gameState = "cooldown";
		LK.setTimeout(function () {
			resetRound();
		}, 2000);
	}
};

===================================================================
--- original.js
+++ change.js
@@ -281,9 +281,9 @@
 /**** 
 * Initialize Game
 ****/ 
 var game = new LK.Game({
-	backgroundColor: 0x804000
+	backgroundColor: 0x000000
 });
 
 /**** 
 * Game Code