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

/**** 
* Classes
****/ 
var BackgroundGrid = Container.expand(function () {
	var self = Container.call(this);
	// Create horizontal grid lines
	self.horizontalLines = [];
	for (var i = 0; i < 15; i++) {
		var line = self.attachAsset('gridLine', {
			anchorX: 0,
			anchorY: 0.5,
			alpha: 0.3
		});
		line.y = i * 200 - 400;
		self.horizontalLines.push(line);
	}
	// Create vertical grid lines
	self.verticalLines = [];
	for (var j = 0; j < 8; j++) {
		var vLine = self.attachAsset('gridLineVertical', {
			anchorX: 0.5,
			anchorY: 0,
			alpha: 0.2
		});
		vLine.x = j * 300;
		self.verticalLines.push(vLine);
	}
	self.update = function () {
		// Move horizontal lines down
		for (var i = 0; i < self.horizontalLines.length; i++) {
			var line = self.horizontalLines[i];
			line.y += 2;
			// Reset line position when it goes off screen
			if (line.y > 2800) {
				line.y = -100;
			}
			// Fade effect based on distance from center
			var distanceFromCenter = Math.abs(line.y - 1366);
			var maxDistance = 1366;
			line.alpha = 0.3 * (1 - distanceFromCenter / maxDistance);
		}
	};
	return self;
});
var Block = Container.expand(function () {
	var self = Container.call(this);
	var blockGraphics = self.attachAsset('block', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.8,
		scaleY: 0.8
	});
	self.speed = 8;
	self.lane = 0;
	self.caught = false;
	// Random neon colors
	var colors = [0xff00ff, 0x00ffff, 0xffff00, 0xff0066, 0x66ff00];
	blockGraphics.tint = colors[Math.floor(Math.random() * colors.length)];
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var Ship = Container.expand(function () {
	var self = Container.call(this);
	var shipGraphics = self.attachAsset('ship', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.5,
		scaleY: 1.5
	});
	// Add glow effect
	shipGraphics.filters = [];
	self.currentLane = 1; // 0 = left, 1 = center, 2 = right
	self.targetX = 1024; // center position
	self.update = function () {
		// Smooth movement to target lane
		var diff = self.targetX - self.x;
		if (Math.abs(diff) > 2) {
			self.x += diff * 0.15;
		} else {
			self.x = self.targetX;
		}
	};
	self.moveToLane = function (lane) {
		self.currentLane = lane;
		if (lane === 0) {
			self.targetX = 341; // left lane
		} else if (lane === 1) {
			self.targetX = 1024; // center lane
		} else if (lane === 2) {
			self.targetX = 1707; // right lane
		}
		// Add movement animation
		tween(shipGraphics, {
			scaleX: 1.2,
			scaleY: 0.8
		}, {
			duration: 100,
			onFinish: function onFinish() {
				tween(shipGraphics, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 100
				});
			}
		});
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x0a0a0a
});

/**** 
* Game Code
****/ 
// Create synthwave background with gradient effect
game.setBackgroundColor(0x1a0033);
// Create moving background grid
var backgroundGrid = game.addChild(new BackgroundGrid());
// Game state
var gameMode = 'menu'; // 'menu', 'classic', 'microphone'
var ship;
var blocks = [];
var score = 0;
var combo = 0;
var bestCombo = 0;
var lastSpawnTime = 0;
var spawnInterval = 1000; // 1 second
// Lane positions - equal width lanes
var lanePositions = [341, 1024, 1707];
// UI Elements
var scoreTxt = new Text2('Score: 0', {
	size: 60,
	fill: 0x00FFFF
});
scoreTxt.anchor.set(0, 0);
scoreTxt.x = 50;
scoreTxt.y = 50;
LK.gui.topLeft.addChild(scoreTxt);
var comboTxt = new Text2('Combo: 0', {
	size: 50,
	fill: 0xFF00FF
});
comboTxt.anchor.set(0, 0);
comboTxt.x = 50;
comboTxt.y = 120;
LK.gui.topLeft.addChild(comboTxt);
var modeTxt = new Text2('Tap to Start Classic Mode\nHold for Microphone Mode', {
	size: 80,
	fill: 0xFFFFFF
});
modeTxt.anchor.set(0.5, 0.5);
LK.gui.center.addChild(modeTxt);
// Create lane dividers
var lane1 = game.addChild(LK.getAsset('lane1', {
	x: 682,
	y: 0
}));
var lane2 = game.addChild(LK.getAsset('lane2', {
	x: 1366,
	y: 0
}));
// Create ship
ship = game.addChild(new Ship());
ship.x = 1024;
ship.y = 2400;
function startGame(mode) {
	gameMode = mode;
	score = 0;
	combo = 0;
	bestCombo = 0;
	blocks = [];
	lastSpawnTime = 0;
	// Hide menu text
	modeTxt.visible = false;
	// Start background music
	LK.playMusic('synthwave');
	updateUI();
}
function spawnBlock() {
	var block = new Block();
	var randomLane = Math.floor(Math.random() * 3);
	block.lane = randomLane;
	block.x = lanePositions[randomLane];
	block.y = -50;
	blocks.push(block);
	game.addChild(block);
}
function updateUI() {
	scoreTxt.setText('Score: ' + score);
	comboTxt.setText('Combo: ' + combo + ' (Best: ' + bestCombo + ')');
}
function checkCollisions() {
	for (var i = blocks.length - 1; i >= 0; i--) {
		var block = blocks[i];
		// Check if block is in ship's catch zone
		if (!block.caught && block.y >= ship.y - 100 && block.y <= ship.y + 100) {
			if (block.lane === ship.currentLane) {
				// Block caught!
				block.caught = true;
				score += 10 + combo * 2;
				combo++;
				if (combo > bestCombo) {
					bestCombo = combo;
				}
				// Visual feedback
				LK.effects.flashObject(block, 0xffffff, 200);
				tween(block, {
					scaleX: 1.5,
					scaleY: 1.5,
					alpha: 0
				}, {
					duration: 200
				});
				LK.getSound('catch').play();
				updateUI();
				// Remove block
				block.destroy();
				blocks.splice(i, 1);
				continue;
			}
		}
		// Check if block missed (passed ship)
		if (!block.caught && block.y > ship.y + 150) {
			if (block.lane === ship.currentLane) {
				// Block missed - reset combo
				combo = 0;
				LK.effects.flashScreen(0xff0000, 300);
				LK.getSound('miss').play();
				updateUI();
			}
			block.caught = true; // Mark as processed
		}
		// Remove blocks that are off screen
		if (block.y > 2800) {
			block.destroy();
			blocks.splice(i, 1);
		}
	}
}
function shouldSpawnBlock() {
	if (gameMode === 'microphone') {
		// Spawn based on microphone input
		return facekit.volume > 0.2;
	} else {
		// Classic mode - spawn every second
		return LK.ticks - lastSpawnTime >= spawnInterval / (1000 / 60);
	}
}
// Touch controls
game.down = function (x, y, obj) {
	if (gameMode === 'menu') {
		// Start game based on touch duration
		var touchStartTime = Date.now();
		var checkMode = function checkMode() {
			var holdTime = Date.now() - touchStartTime;
			if (holdTime < 500) {
				startGame('classic');
			} else {
				startGame('microphone');
			}
		};
		LK.setTimeout(checkMode, 100);
		return;
	}
	// Lane switching
	if (x < 1024) {
		// Left side tapped - move left
		if (ship.currentLane > 0) {
			ship.moveToLane(ship.currentLane - 1);
		}
	} else {
		// Right side tapped - move right
		if (ship.currentLane < 2) {
			ship.moveToLane(ship.currentLane + 1);
		}
	}
};
// Main game update
game.update = function () {
	if (gameMode === 'menu') {
		return;
	}
	// Spawn blocks
	if (shouldSpawnBlock()) {
		spawnBlock();
		lastSpawnTime = LK.ticks;
	}
	// Check collisions
	checkCollisions();
	// Game over condition (optional - can be removed for endless play)
	if (score >= 500) {
		LK.showYouWin();
	}
};

===================================================================
--- original.js
+++ change.js
@@ -7,8 +7,49 @@
 
 /**** 
 * Classes
 ****/ 
+var BackgroundGrid = Container.expand(function () {
+	var self = Container.call(this);
+	// Create horizontal grid lines
+	self.horizontalLines = [];
+	for (var i = 0; i < 15; i++) {
+		var line = self.attachAsset('gridLine', {
+			anchorX: 0,
+			anchorY: 0.5,
+			alpha: 0.3
+		});
+		line.y = i * 200 - 400;
+		self.horizontalLines.push(line);
+	}
+	// Create vertical grid lines
+	self.verticalLines = [];
+	for (var j = 0; j < 8; j++) {
+		var vLine = self.attachAsset('gridLineVertical', {
+			anchorX: 0.5,
+			anchorY: 0,
+			alpha: 0.2
+		});
+		vLine.x = j * 300;
+		self.verticalLines.push(vLine);
+	}
+	self.update = function () {
+		// Move horizontal lines down
+		for (var i = 0; i < self.horizontalLines.length; i++) {
+			var line = self.horizontalLines[i];
+			line.y += 2;
+			// Reset line position when it goes off screen
+			if (line.y > 2800) {
+				line.y = -100;
+			}
+			// Fade effect based on distance from center
+			var distanceFromCenter = Math.abs(line.y - 1366);
+			var maxDistance = 1366;
+			line.alpha = 0.3 * (1 - distanceFromCenter / maxDistance);
+		}
+	};
+	return self;
+});
 var Block = Container.expand(function () {
 	var self = Container.call(this);
 	var blockGraphics = self.attachAsset('block', {
 		anchorX: 0.5,
@@ -85,8 +126,12 @@
 
 /**** 
 * Game Code
 ****/ 
+// Create synthwave background with gradient effect
+game.setBackgroundColor(0x1a0033);
+// Create moving background grid
+var backgroundGrid = game.addChild(new BackgroundGrid());
 // Game state
 var gameMode = 'menu'; // 'menu', 'classic', 'microphone'
 var ship;
 var blocks = [];