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

/**** 
* Classes
****/ 
var QuickTile = Container.expand(function () {
	var self = Container.call(this);
	var graphics = self.attachAsset('quickTile', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 12;
	self.lane = 0;
	self.hit = false;
	self.missed = false;
	self.earlyPressed = false;
	self.update = function () {
		self.y += self.speed;
		// Check if tile is past hit line and not hit
		if (self.y > hitLineY + 80 && !self.hit && !self.missed) {
			self.missed = true;
			showFeedback('MISSED', self.lane);
			LK.getSound('miss').play();
			LK.showGameOver();
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1a1a1a
});

/**** 
* Game Code
****/ 
var lanes = [];
var hitLineY = 2200;
var tiles = [];
var activeLanes = [false, false, false, false];
var comboCount = 0;
var tileSpawnTimer = 0;
var feedbackTexts = [];
var tileSpawnInterval = 45;
var gameSpeed = 1;
// Create lanes
for (var i = 0; i < 4; i++) {
	var lane = game.addChild(LK.getAsset('lane', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	lane.x = 256 + i * 512;
	lane.y = 1366;
	lanes.push(lane);
}
// Create hit line
var hitLine = game.addChild(LK.getAsset('hitLine', {
	anchorX: 0.5,
	anchorY: 0.5
}));
hitLine.x = 1024;
hitLine.y = hitLineY;
// Create lane dividers
for (var i = 1; i < 4; i++) {
	var divider = game.addChild(LK.getAsset('laneDivider', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	divider.x = i * 512;
	divider.y = 1366;
}
// Create UI
var scoreText = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
var comboText = new Text2('Combo: 0', {
	size: 60,
	fill: 0xFFFF00
});
comboText.anchor.set(0.5, 0);
comboText.y = 100;
LK.gui.top.addChild(comboText);
function updateScoreDisplay() {
	scoreText.setText('Score: ' + LK.getScore());
	comboText.setText('Combo: ' + comboCount);
}
function showFeedback(text, laneIndex) {
	var feedbackText = new Text2(text, {
		size: 120,
		fill: text === 'EARLY' ? 0xFFFF00 : text === 'MISSED' ? 0xFF0000 : 0x00FF00
	});
	feedbackText.anchor.set(0.5, 0.5);
	feedbackText.x = 1024; // Center of screen
	feedbackText.y = 1366; // Center of screen vertically
	feedbackText.alpha = 1;
	game.addChild(feedbackText);
	feedbackTexts.push(feedbackText);
	tween(feedbackText, {
		alpha: 0,
		y: feedbackText.y - 100
	}, {
		duration: 1000,
		onFinish: function onFinish() {
			feedbackText.destroy();
			var index = feedbackTexts.indexOf(feedbackText);
			if (index > -1) feedbackTexts.splice(index, 1);
		}
	});
}
function spawnTile() {
	var laneIndex = Math.floor(Math.random() * 4);
	var tile = new QuickTile();
	tile.lane = laneIndex;
	tile.x = 256 + laneIndex * 512;
	tile.y = -100;
	tiles.push(tile);
	game.addChild(tile);
}
function getLaneFromX(x) {
	if (x < 512) return 0;
	if (x < 1024) return 1;
	if (x < 1536) return 2;
	return 3;
}
function activateLane(laneIndex) {
	if (laneIndex >= 0 && laneIndex < 4) {
		activeLanes[laneIndex] = true;
		lanes[laneIndex].removeChild(lanes[laneIndex].children[0]);
		var activeLane = LK.getAsset('laneActive', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		lanes[laneIndex].addChild(activeLane);
	}
}
function deactivateLane(laneIndex) {
	if (laneIndex >= 0 && laneIndex < 4) {
		activeLanes[laneIndex] = false;
		lanes[laneIndex].removeChild(lanes[laneIndex].children[0]);
		var normalLane = LK.getAsset('lane', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		lanes[laneIndex].addChild(normalLane);
	}
}
game.down = function (x, y, obj) {
	var laneIndex = getLaneFromX(x);
	activateLane(laneIndex);
	// Add lane press animation
	tween(lanes[laneIndex], {
		scaleX: 1.05,
		scaleY: 1.05
	}, {
		duration: 100,
		easing: tween.easeOut
	});
	// Check for quick tile hits
	var hitTile = false;
	for (var i = 0; i < tiles.length; i++) {
		var tile = tiles[i];
		if (tile instanceof QuickTile && tile.lane === laneIndex && !tile.hit && !tile.missed && !tile.earlyPressed) {
			var distance = Math.abs(tile.y - hitLineY);
			if (distance <= 80) {
				tile.hit = true;
				LK.setScore(LK.getScore() + 10);
				comboCount++;
				showFeedback('NICE', laneIndex);
				LK.getSound('tap').play();
				// Visual effect
				tween(tile, {
					alpha: 0,
					scaleX: 1.5,
					scaleY: 1.5
				}, {
					duration: 200,
					onFinish: function onFinish() {
						tile.destroy();
					}
				});
				updateScoreDisplay();
				hitTile = true;
				break;
			} else if (tile.y < hitLineY - 80) {
				// Early press
				tile.earlyPressed = true;
				showFeedback('EARLY', laneIndex);
				LK.getSound('early').play();
				LK.setScore(LK.getScore() - 5); // Deduct points for early press
				// Destroy tile immediately on early press
				tween(tile, {
					alpha: 0,
					scaleX: 0.5,
					scaleY: 0.5
				}, {
					duration: 200,
					onFinish: function onFinish() {
						tile.destroy();
					}
				});
				updateScoreDisplay();
				hitTile = true;
				break;
			}
		}
	}
};
game.up = function (x, y, obj) {
	var laneIndex = getLaneFromX(x);
	deactivateLane(laneIndex);
	// Add lane release animation
	tween(lanes[laneIndex], {
		scaleX: 1,
		scaleY: 1
	}, {
		duration: 100,
		easing: tween.easeOut
	});
};
game.update = function () {
	// Spawn tiles
	tileSpawnTimer++;
	if (tileSpawnTimer >= tileSpawnInterval) {
		spawnTile();
		tileSpawnTimer = 0;
		// Increase difficulty over time
		if (LK.ticks % 300 === 0) {
			gameSpeed += 0.15;
			tileSpawnInterval = Math.max(25, tileSpawnInterval - 1);
		}
	}
	// Clean up tiles
	for (var i = tiles.length - 1; i >= 0; i--) {
		var tile = tiles[i];
		if (tile.y > 2800 || tile.hit || tile.completed || tile.missed && tile.y > hitLineY + 200 || tile.earlyPressed && tile.y > 2800) {
			if (!tile.destroyed) {
				tile.destroy();
				tiles.splice(i, 1);
			}
		}
	}
	// Update tile speeds based on game speed
	for (var i = 0; i < tiles.length; i++) {
		tiles[i].speed = 12 * gameSpeed;
	}
};

===================================================================
--- original.js
+++ change.js
@@ -11,9 +11,9 @@
 	var graphics = self.attachAsset('quickTile', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
-	self.speed = 8;
+	self.speed = 12;
 	self.lane = 0;
 	self.hit = false;
 	self.missed = false;
 	self.earlyPressed = false;
@@ -46,9 +46,9 @@
 var activeLanes = [false, false, false, false];
 var comboCount = 0;
 var tileSpawnTimer = 0;
 var feedbackTexts = [];
-var tileSpawnInterval = 60;
+var tileSpawnInterval = 45;
 var gameSpeed = 1;
 // Create lanes
 for (var i = 0; i < 4; i++) {
 	var lane = game.addChild(LK.getAsset('lane', {
@@ -232,11 +232,11 @@
 	if (tileSpawnTimer >= tileSpawnInterval) {
 		spawnTile();
 		tileSpawnTimer = 0;
 		// Increase difficulty over time
-		if (LK.ticks % 600 === 0) {
-			gameSpeed += 0.1;
-			tileSpawnInterval = Math.max(30, tileSpawnInterval - 2);
+		if (LK.ticks % 300 === 0) {
+			gameSpeed += 0.15;
+			tileSpawnInterval = Math.max(25, tileSpawnInterval - 1);
 		}
 	}
 	// Clean up tiles
 	for (var i = tiles.length - 1; i >= 0; i--) {
@@ -249,7 +249,7 @@
 		}
 	}
 	// Update tile speeds based on game speed
 	for (var i = 0; i < tiles.length; i++) {
-		tiles[i].speed = 8 * gameSpeed;
+		tiles[i].speed = 12 * gameSpeed;
 	}
 };
\ No newline at end of file