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

/**** 
* Classes
****/ 
var Character = Container.expand(function () {
	var self = Container.call(this);
	var characterGraphics = self.attachAsset('character', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	});
	// Random rotation
	characterGraphics.rotation = Math.random() * Math.PI * 2;
	// Store whether this character has been discovered
	self.discovered = false;
	self.lastDistance = 9999;
	// Method to reveal character temporarily
	self.reveal = function (intensity) {
		// Intensity from 0 to 1 based on distance from sound wave
		if (intensity > 0) {
			var targetAlpha = Math.min(intensity, 0.8);
			tween(characterGraphics, {
				alpha: targetAlpha
			}, {
				duration: 200
			});
			tween(characterGraphics, {
				alpha: 0
			}, {
				duration: 1500,
				delay: 200
			});
			// If character is very visible and wasn't discovered before
			if (intensity > 0.6 && !self.discovered) {
				self.discovered = true;
				LK.getSound('discover').play();
				// Visual feedback for discovery
				var originalScale = characterGraphics.scale.x;
				tween(characterGraphics.scale, {
					x: originalScale * 1.3,
					y: originalScale * 1.3
				}, {
					duration: 300
				});
				tween(characterGraphics.scale, {
					x: originalScale,
					y: originalScale
				}, {
					duration: 300,
					delay: 300
				});
			}
		}
	};
	return self;
});
var SoundWave = Container.expand(function () {
	var self = Container.call(this);
	var waveGraphics = self.attachAsset('ripple', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.4
	});
	self.timeAlive = 0;
	self.maxLifespan = 120; // 2 seconds at 60fps
	self.update = function () {
		if (!self.lastTimeAlive) {
			self.lastTimeAlive = self.timeAlive;
		}
		self.timeAlive++;
		// Expand the wave and fade it out
		var progress = self.timeAlive / self.maxLifespan;
		waveGraphics.scale.x = 1 + progress * 5;
		waveGraphics.scale.y = 1 + progress * 5;
		waveGraphics.alpha = 0.4 * (1 - progress);
		// Remove when completed
		if (self.timeAlive >= self.maxLifespan) {
			self.destroy();
			return;
		}
		self.lastTimeAlive = self.timeAlive;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
// Create arrays to hold game elements
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
// Create arrays to hold game elements
var characters = [];
var soundWaves = [];
// Screen dimensions
var screenWidth = 2048;
var screenHeight = 2732;
// Number of characters to create
var characterCount = 15;
// Create characters at random positions
for (var i = 0; i < characterCount; i++) {
	var character = new Character();
	// Position randomly on screen with margins
	character.x = Math.random() * (screenWidth - 400) + 200;
	character.y = Math.random() * (screenHeight - 400) + 200;
	// Set random scales for variety
	var scale = 0.5 + Math.random() * 1.5;
	character.scale.set(scale, scale);
	game.addChild(character);
	characters.push(character);
}
// Add game logo
var logo = game.addChild(LK.getAsset('logo', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: screenWidth / 2,
	y: screenHeight / 4,
	alpha: 0
}));
// Animate logo appearance
tween(logo, {
	alpha: 1
}, {
	duration: 1000
});
// Title text
var titleText = new Text2("PITCH BLACK", {
	size: 100,
	fill: 0xFFFFFF
});
titleText.anchor.set(0.5, 0.5);
titleText.x = screenWidth / 2;
titleText.y = screenHeight / 4 + 200;
game.addChild(titleText);
// Create instruction text
var instructionText = new Text2("Tap anywhere to use echolocation", {
	size: 70,
	fill: 0xFFFFFF
});
instructionText.anchor.set(0.5, 0.5);
instructionText.x = screenWidth / 2;
instructionText.y = screenHeight / 2;
game.addChild(instructionText);
// Fade out instructions after a delay
tween(instructionText, {
	alpha: 0
}, {
	duration: 2000,
	delay: 3000,
	onFinish: function onFinish() {
		instructionText.destroy();
	}
});
// Fade out logo and title after delay
tween(logo, {
	alpha: 0.2
}, {
	duration: 1500,
	delay: 3000
});
tween(titleText, {
	alpha: 0.2
}, {
	duration: 1500,
	delay: 3000
});
// Create sound waves when tapping the screen
game.down = function (x, y) {
	// Create sound wave at tap position
	var wave = new SoundWave();
	wave.x = x;
	wave.y = y;
	game.addChild(wave);
	soundWaves.push(wave);
	// Play echo sound
	LK.getSound('echo').play();
	// Flash screen very slightly to indicate tap
	LK.effects.flashScreen(0x333333, 200);
};
// Main update loop
game.update = function () {
	// Clean up destroyed waves
	for (var i = soundWaves.length - 1; i >= 0; i--) {
		if (!soundWaves[i].parent) {
			soundWaves.splice(i, 1);
		}
	}
	// Process character reveals based on wave proximit
	for (var i = 0; i < characters.length; i++) {
		var character = characters[i];
		var closestDistance = 9999;
		// Find closest wave to this character
		for (var j = 0; j < soundWaves.length; j++) {
			var wave = soundWaves[j];
			// Calculate distance between character and wave
			var dx = character.x - wave.x;
			var dy = character.y - wave.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			// Adjust for wave size
			var waveRadius = wave.getChildAt(0).width * wave.getChildAt(0).scale.x / 2;
			var distanceFactor = Math.abs(distance - waveRadius) / 200;
			// The character is most visible when at the edge of the wave
			if (distanceFactor < 1 && distanceFactor < closestDistance) {
				closestDistance = distanceFactor;
			}
		}
		// Remember previous distance for state tracking
		character.lastDistance = closestDistance;
		// Reveal character based on proximity to wave
		if (closestDistance < 1) {
			character.reveal(1 - closestDistance);
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -117,8 +117,31 @@
 	character.scale.set(scale, scale);
 	game.addChild(character);
 	characters.push(character);
 }
+// Add game logo
+var logo = game.addChild(LK.getAsset('logo', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: screenWidth / 2,
+	y: screenHeight / 4,
+	alpha: 0
+}));
+// Animate logo appearance
+tween(logo, {
+	alpha: 1
+}, {
+	duration: 1000
+});
+// Title text
+var titleText = new Text2("PITCH BLACK", {
+	size: 100,
+	fill: 0xFFFFFF
+});
+titleText.anchor.set(0.5, 0.5);
+titleText.x = screenWidth / 2;
+titleText.y = screenHeight / 4 + 200;
+game.addChild(titleText);
 // Create instruction text
 var instructionText = new Text2("Tap anywhere to use echolocation", {
 	size: 70,
 	fill: 0xFFFFFF
@@ -136,8 +159,21 @@
 	onFinish: function onFinish() {
 		instructionText.destroy();
 	}
 });
+// Fade out logo and title after delay
+tween(logo, {
+	alpha: 0.2
+}, {
+	duration: 1500,
+	delay: 3000
+});
+tween(titleText, {
+	alpha: 0.2
+}, {
+	duration: 1500,
+	delay: 3000
+});
 // Create sound waves when tapping the screen
 game.down = function (x, y) {
 	// Create sound wave at tap position
 	var wave = new SoundWave();