/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1", {
	bpm: 100,
	soundVolume: 100,
	selectedKickSound: "kick",
	selectedHihatSound: "hihat",
	selectedSnareClapSound: "snareclap",
	selectedPercussionSound: "percussion",
	tutorialCompleted: false,
	currentLevel: 1
});

/**** 
* Classes
****/ 
// default bpm 100
// Beat marker class (moving dot)
var BeatMarker = Container.expand(function () {
	var self = Container.call(this);
	var marker = self.attachAsset('beatMarker', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.active = true; // Whether this beat is still hittable
	self.hit = false; // Whether this beat was hit
	self.assetType = 'circle'; // Varsayılan asset tipi
	// Trail effect properties
	self.lastTrailTime = 0;
	self.trailInterval = 15; // Her 15ms'de parçacık oluştur
	self.updateTrail = function () {
		var now = Date.now();
		if (now - this.lastTrailTime > this.trailInterval) {
			var colors = BEAT_COLORS[this.assetType] || BEAT_COLORS.circle;
			// Beat'in hareket yönünü belirle (sağ tarafta mı?)
			var isRightSide = this.x > HIT_ZONE_X;
			var directionMultiplier = isRightSide ? 1 : -1;
			// --- Trail yayılımını BPM'e göre ayarla ---
			var params = getWaveParams(bpm);
			var spreadX = params.waveAmplitude * 0.2; // Dalga yüksekliğine orantılı
			var spreadY = params.waveAmplitude * 0.2;
			for (var i = 0; i < 10; i++) {
				// Ana parçacık
				var mainParticle = createTrailParticle(this.x + (Math.random() - 0.5) * spreadX, this.y + (Math.random() - 0.5) * spreadY, colors.mainTrail);
				mainParticle.velocityX = (Math.random() * 2 + 1) * directionMultiplier;
				mainParticle.velocityY = (Math.random() - 0.5) * 3;
				// Yan parçacık 1
				var subParticle1 = createTrailParticle(this.x + (Math.random() - 0.5) * (spreadX * 1.5), this.y + (Math.random() - 0.5) * (spreadY * 1.5), colors.subTrail1);
				subParticle1.width = 4;
				subParticle1.height = 4;
				subParticle1.velocityX = (Math.random() * 1.5 + 0.5) * directionMultiplier;
				subParticle1.velocityY = (Math.random() - 0.5) * 2;
				// Yan parçacık 2
				var subParticle2 = createTrailParticle(this.x + (Math.random() - 0.5) * (spreadX * 1.25), this.y + (Math.random() - 0.5) * (spreadY * 1.25), colors.subTrail2);
				subParticle2.width = 3;
				subParticle2.height = 3;
				subParticle2.velocityX = (Math.random() * 1 + 0.5) * directionMultiplier;
				subParticle2.velocityY = (Math.random() - 0.5) * 1.5;
				// Parçacıkları oyun ekranına ekle
				[mainParticle, subParticle1, subParticle2].forEach(function (p) {
					p.fadeSpeed = 0.03;
					p.gravity = 0.1;
					p.drag = 0.98;
					gamescreen.addChild(p);
					trailParticles.push(p);
				});
			}
			this.lastTrailTime = now;
		}
	};
	// For feedback animation
	self.showFeedback = function (type) {
		var feedbackId = type === 'good' ? 'goodCircle' : 'missCircle';
		var feedback = LK.getAsset(feedbackId, {
			anchorX: 0.5,
			anchorY: 0.5,
			x: self.x,
			y: self.y,
			alpha: 0.7,
			scaleX: 1,
			scaleY: 1
		});
		game.addChild(feedback);
		tween(feedback, {
			alpha: 0,
			scaleX: 1.5,
			scaleY: 1.5
		}, {
			duration: 400,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				feedback.destroy();
			}
		});
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// --- Story Chapters Configuration ---
// Bass drum (kick) hit circle
// Bass drum (kick) hit circle when active
// Timeline bar
// Beat marker
// Miss feedback
// Good feedback
// Sound for kick
// Music (looping, short demo)
// --- BPM-specific music assets (kickless versions) ---
var STORY_CHAPTERS = [{
	bpm: 60,
	musicId: '60BPMLowKey',
	songName: 'LowKey'
}, {
	bpm: 90,
	musicId: '90BPMDigitalPulse',
	songName: 'DigitalPulse'
}];
// --- Game constants ---
var TIMELINE_WIDTH = 2048;
var TIMELINE_HEIGHT = 25;
var TIMELINE_Y = 2000; // Y position of timeline bar
var TIMELINE_X = 0;
var HIT_ZONE_X = 2048 / 2; // Center of screen
var HIT_ZONE_Y = TIMELINE_Y + TIMELINE_HEIGHT / 2;
var HIT_WINDOW = 120; // px distance for perfect hit
// Beat speed remains constant - only spacing between beats changes based on BPM
function getBeatSpeed() {
	return 400; // Constant speed of 400 px/s regardless of BPM
}
var INITIAL_BPM = 100; // Starting BPM
var BEATS_PER_MEASURE = 4;
var BEAT_INTERVAL = 60 / INITIAL_BPM; // seconds per beat
var DIFFICULTY_STEP = 0.15; // How much to increase BPM per level
var MAX_MISSES = 5;
// --- Game state ---
var beats = []; // Active BeatMarker objects
var beatPattern = []; // Array of {time, type}
var nextBeatIdx = 0; // Next beat to spawn
var songTime = 0; // Elapsed time in seconds
var lastTickTime = Date.now();
var score = 0;
var misses = 0;
var ignoredMisses = 0; // Track first 3 misses to ignore
var combo = 0;
var tutorialCompleted = false;
var currentLevel = 1;
// Reset storage values to ensure game always starts from beginning on reload
storage.tutorialCompleted = false;
storage.currentLevel = 1;
var isTutorial = false;
var bpm = typeof storage.bpm === "number" ? storage.bpm : INITIAL_BPM;
var soundVolume = typeof storage.soundVolume === "number" ? storage.soundVolume : 100;
var selectedKickSound = typeof storage.selectedKickSound === "string" ? storage.selectedKickSound : 'kick';
var selectedHihatSound = typeof storage.selectedHihatSound === "string" ? storage.selectedHihatSound : 'hihat';
var selectedSnareClapSound = typeof storage.selectedSnareClapSound === "string" ? storage.selectedSnareClapSound : 'snareclap';
var selectedPercussionSound = typeof storage.selectedPercussionSound === "string" ? storage.selectedPercussionSound : 'percussion';
// Function to update all sound volumes based on soundVolume setting
function updateAllSoundVolumes() {
	var volumeMultiplier = soundVolume / 100;
	// Update kick sound volume
	var kickSound = LK.getSound(selectedKickSound);
	if (kickSound && kickSound.setVolume) {
		kickSound.setVolume(1 * volumeMultiplier);
	}
	// Update hihat sound volume
	var hihatSound = LK.getSound(selectedHihatSound);
	if (hihatSound && hihatSound.setVolume) {
		hihatSound.setVolume(0.5 * volumeMultiplier);
	}
	// Update snare/clap sound volume
	var snareClapSound = LK.getSound(selectedSnareClapSound);
	if (snareClapSound && snareClapSound.setVolume) {
		snareClapSound.setVolume(0.6 * volumeMultiplier);
	}
	// Update percussion sound volume
	var percussionSound = LK.getSound(selectedPercussionSound);
	if (percussionSound && percussionSound.setVolume) {
		percussionSound.setVolume(0.6 * volumeMultiplier);
	}
	// Update miss sound volume
	var missSound = LK.getSound('miss');
	if (missSound && missSound.setVolume) {
		missSound.setVolume(0.6 * volumeMultiplier);
	}
}
var beatInterval = 60 / bpm;
var gameActive = true;
var feedbackTimeout = null;
// --- UI elements ---
// --- Heart/Life UI ---
// (Initialization moved after scoreTxt is defined)
var MAX_LIVES = 3;
var lives = MAX_LIVES;
var heartIcons = [];
var heartSpacing = 40;
var heartshields = 3; // Number of heartshields remaining
// Heart/life UI will be initialized after scoreTxt is defined
// --- Gameplay Screen Container ---
var gamescreen = new Container();
gamescreen.visible = false;
game.addChild(gamescreen);
// Add isyeri background image, anchored top-left, covering the whole game area
var isyeriBg = LK.getAsset('isyeri', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: 0,
	width: 2048,
	height: 2732
});
gamescreen.addChild(isyeriBg);
var timelineBar = LK.getAsset('timelineBar', {
	anchorX: 0,
	anchorY: 0.5,
	x: TIMELINE_X,
	y: TIMELINE_Y + TIMELINE_HEIGHT / 2
});
gamescreen.addChild(timelineBar);
// Hit zone (kick target)
var kickTarget = LK.getAsset('kickTarget', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: HIT_ZONE_X,
	y: HIT_ZONE_Y
});
gamescreen.addChild(kickTarget);
// Score text - pixelated effect using small size and scale
var scoreTxt = new Text2('0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreTxt.scale.set(2, 2); // Scale up 2x to create more pixelated effect
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Combo text
var comboTxt = new Text2('', {
	size: 36,
	fill: 0x00FF00
});
comboTxt.scale.set(2, 2);
comboTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(comboTxt);
comboTxt.y = 120;
// BPM display text - 135px below combo text (moved 30px down)
var bpmDisplayTxt = new Text2(bpm + ' ' + 'BPM', {
	size: 36,
	fill: 0xef69b9
});
bpmDisplayTxt.scale.set(2, 2);
bpmDisplayTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(bpmDisplayTxt);
bpmDisplayTxt.y = comboTxt.y + 135;
// Song name display text - below BPM display
var songNameTxt = new Text2('', {
	size: 36,
	fill: 0xffffff
});
songNameTxt.scale.set(2, 2);
songNameTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(songNameTxt);
songNameTxt.y = bpmDisplayTxt.y + 82;
// Pause button in top right corner (avoiding top-left platform menu)
var pauseBtn = LK.getAsset('pause', {
	anchorX: 1,
	anchorY: 0,
	x: 2048 - 50,
	y: 220,
	scaleX: 1.6,
	scaleY: 1.6
});
gamescreen.addChild(pauseBtn);
// No miss text, only hearts for lives display
// --- Heart/Life UI --- (moved here to ensure scoreTxt is defined)
// Calculate heartY based on scoreTxt position and height
var heartY = scoreTxt.y + 50; // Score text'in 50px altında
var heartWidth = 150;
var totalHeartsWidth = MAX_LIVES * heartWidth + (MAX_LIVES - 1) * heartSpacing;
var heartStartX = 2048 - 100 - totalHeartsWidth; // Sağdan 100px boşluk bırak
// Remove any existing heart icons from their parents before recreating
for (var i = 0; i < heartIcons.length; i++) {
	if (heartIcons[i] && heartIcons[i].parent) {
		heartIcons[i].parent.removeChild(heartIcons[i]);
	}
}
heartIcons = [];
for (var i = 0; i < MAX_LIVES; i++) {
	var heartshield = LK.getAsset('heartshield', {
		anchorX: 0,
		anchorY: 0,
		x: heartStartX + i * (heartWidth + heartSpacing),
		y: heartY
	});
	gamescreen.addChild(heartshield);
	heartIcons.push(heartshield);
}
// --- Beat pattern generation ---
function generateBeatPattern(bpm, measures) {
	// Simple: 4/4, kick on every beat, can add more complex patterns later
	var pattern = [];
	var interval = 60 / bpm; // seconds per beat based on current BPM
	var totalBeats = 100000; // Target 100,000 total beats
	for (var beatIndex = 0; beatIndex < totalBeats; beatIndex++) {
		pattern.push({
			time: beatIndex * interval,
			// Each beat spaced by BPM interval
			type: 'kick'
		});
	}
	return pattern;
}
// --- Start game ---
function startGame(options) {
	options = options || {};
	var mode = options.mode || "story";
	// Reset state
	for (var i = 0; i < beats.length; i++) {
		beats[i].destroy();
	}
	beats = [];
	if (mode === "story") {
		// Story modunda tutorial kontrolü
		gameMode = "story";
		var chapterIdx = typeof currentLevel === 'number' ? currentLevel - 1 : 0;
		var chapter = STORY_CHAPTERS[chapterIdx] || STORY_CHAPTERS[0];
		isTutorial = chapterIdx === 0 && !tutorialCompleted;
		bpm = chapter.bpm;
		var storyMusicId = chapter.musicId;
		var storySongName = chapter.songName;
		beatInterval = 60 / bpm;
		beatPattern = generateBeatPattern(bpm);
		nextBeatIdx = 0;
		songTime = 0;
		lastTickTime = Date.now();
		score = 0;
		misses = 0;
		ignoredMisses = 0;
		combo = 0;
		perfectCombo = 0;
		lives = MAX_LIVES;
		heartshields = 3;
		lastBpmUpgradeScore = 0;
		// Remove any beat at the kick target at game start
		for (var i = beats.length - 1; i >= 0; i--) {
			if (typeof beats[i].x !== "undefined" && Math.abs(beats[i].x - HIT_ZONE_X) < 2 || typeof beats[i].x !== "undefined" && beats[i].x >= HIT_ZONE_X - HIT_WINDOW) {
				beats[i].destroy();
				beats.splice(i, 1);
			}
		}
		if (beats.length > 0 && typeof beats[0].x !== "undefined" && Math.abs(beats[0].x - HIT_ZONE_X) < 2) {
			beats[0].destroy();
			beats.splice(0, 1);
		}
		updateHeartsUI(lives, heartshields);
		var heartWidth = 150;
		var totalHeartsWidth = MAX_LIVES * heartWidth + (MAX_LIVES - 1) * heartSpacing;
		var heartStartX = 2048 - 100 - totalHeartsWidth;
		var heartY = scoreTxt.y + 50;
		for (var i = 0; i < heartIcons.length; i++) {
			if (heartIcons[i] && heartIcons[i].parent) {
				heartIcons[i].parent.removeChild(heartIcons[i]);
			}
		}
		heartIcons = [];
		heartshields = MAX_LIVES;
		lives = MAX_LIVES;
		for (var i = 0; i < MAX_LIVES; i++) {
			var heartAsset = LK.getAsset('heartshield', {
				anchorX: 0,
				anchorY: 0,
				x: heartStartX + i * (heartWidth + heartSpacing),
				y: heartY
			});
			gamescreen.addChild(heartAsset);
			heartIcons.push(heartAsset);
		}
		gameActive = true;
		gamePaused = false;
		scoreTxt.setText('0');
		comboTxt.setText('');
		kickTarget.visible = true;
		LK.setScore(0);
		applyGlowToVioletElements();
		updateAllSoundVolumes();
		tween({}, {}, {
			duration: 3000,
			onFinish: function onFinish() {
				if (gameActive && heartshields > 0) {
					heartshields = 0;
					updateHeartsUI(lives, heartshields);
				}
			}
		});
		// --- Story modunda sabit müzik ve şarkı adı ---
		var musicId = storyMusicId;
		var volumeMultiplier = soundVolume / 100;
		var musicVolume = isTutorial ? 0.5 : 1;
		LK.playMusic(musicId, {
			volume: musicVolume * volumeMultiplier,
			loop: true
		});
		if (bpmDisplayTxt) {
			bpmDisplayTxt.setText(bpm + ' BPM');
		}
		if (songNameTxt) {
			songNameTxt.setText(storySongName);
		}
		// UI gösterimi
		scoreTxt.visible = true;
		comboTxt.visible = true;
		bpmDisplayTxt.visible = true;
		songNameTxt.visible = true;
		gamescreen.visible = true;
		mainMenuContainer.visible = false;
		updateDebugText();
		return;
	} else if (mode === "endless") {
		gameMode = "endless";
		isTutorial = false;
		bpm = typeof storage.bpm === "number" ? storage.bpm : INITIAL_BPM;
		beatInterval = 60 / bpm;
		beatPattern = generateBeatPattern(bpm);
		nextBeatIdx = 0;
		songTime = 0;
		lastTickTime = Date.now();
		score = 0;
		misses = 0;
		ignoredMisses = 0;
		combo = 0;
		perfectCombo = 0;
		lives = MAX_LIVES;
		heartshields = 3;
		lastBpmUpgradeScore = 0;
		// Remove any beat at the kick target at game start
		for (var i = beats.length - 1; i >= 0; i--) {
			if (typeof beats[i].x !== "undefined" && Math.abs(beats[i].x - HIT_ZONE_X) < 2 || typeof beats[i].x !== "undefined" && beats[i].x >= HIT_ZONE_X - HIT_WINDOW) {
				beats[i].destroy();
				beats.splice(i, 1);
			}
		}
		if (beats.length > 0 && typeof beats[0].x !== "undefined" && Math.abs(beats[0].x - HIT_ZONE_X) < 2) {
			beats[0].destroy();
			beats.splice(0, 1);
		}
		updateHeartsUI(lives, heartshields);
		var heartWidth = 150;
		var totalHeartsWidth = MAX_LIVES * heartWidth + (MAX_LIVES - 1) * heartSpacing;
		var heartStartX = 2048 - 100 - totalHeartsWidth;
		var heartY = scoreTxt.y + 50;
		for (var i = 0; i < heartIcons.length; i++) {
			if (heartIcons[i] && heartIcons[i].parent) {
				heartIcons[i].parent.removeChild(heartIcons[i]);
			}
		}
		heartIcons = [];
		heartshields = MAX_LIVES;
		lives = MAX_LIVES;
		for (var i = 0; i < MAX_LIVES; i++) {
			var heartAsset = LK.getAsset('heartshield', {
				anchorX: 0,
				anchorY: 0,
				x: heartStartX + i * (heartWidth + heartSpacing),
				y: heartY
			});
			gamescreen.addChild(heartAsset);
			heartIcons.push(heartAsset);
		}
		gameActive = true;
		gamePaused = false;
		scoreTxt.setText('0');
		comboTxt.setText('');
		kickTarget.visible = true;
		LK.setScore(0);
		applyGlowToVioletElements();
		updateAllSoundVolumes();
		tween({}, {}, {
			duration: 3000,
			onFinish: function onFinish() {
				if (gameActive && heartshields > 0) {
					heartshields = 0;
					updateHeartsUI(lives, heartshields);
				}
			}
		});
		// --- Play correct BPM music (kickless) ---
		var musicId = '100BPMSynthWave';
		if (bpm === 60) {
			musicId = '60BPMLowKey';
		} else if (bpm === 40) {
			musicId = '40BPMDeepVibes';
		} else if (bpm === 45) {
			musicId = '45BPMChillWave';
		} else if (bpm === 50) {
			musicId = '50BPMSlowMotion';
		} else if (bpm === 55) {
			musicId = '55BPMDreamscape';
		} else if (bpm === 65) {
			musicId = '65BPMRelaxed';
		} else if (bpm === 70) {
			musicId = '70BPMCalmVibes';
		} else if (bpm === 75) {
			musicId = '75BPMElectricDreams';
		} else if (bpm === 80) {
			musicId = '80BPMNeonNights';
		} else if (bpm === 85) {
			musicId = '85BPMCyberFlow';
		} else if (bpm === 90) {
			musicId = '90BPMDigitalPulse';
		} else if (bpm === 95) {
			musicId = '95BPMFutureBass';
		} else if (bpm === 100) {
			musicId = '100BPMSynthWave';
		} else if (bpm === 105) {
			musicId = '105BPMHyperDrive';
		} else if (bpm === 110) {
			musicId = '110BPMTechnoRush';
		} else if (bpm === 115) {
			musicId = '115BPMHighEnergy';
		} else if (bpm === 120) {
			musicId = '120BPMMaximum';
		}
		var volumeMultiplier = soundVolume / 100;
		var musicVolume = 1;
		LK.playMusic(musicId, {
			volume: musicVolume * volumeMultiplier,
			loop: true
		});
		if (bpmDisplayTxt) {
			bpmDisplayTxt.setText(bpm + ' BPM');
		}
		if (songNameTxt) {
			var songName = musicId.replace(/^\d+BPM/, '');
			songNameTxt.setText(songName);
		}
		// --- BPM'e göre waveform'u güncelle ---
		drawWaveformLK();
		// UI gösterimi
		scoreTxt.visible = true;
		comboTxt.visible = true;
		bpmDisplayTxt.visible = true;
		songNameTxt.visible = true;
		gamescreen.visible = true;
		mainMenuContainer.visible = false;
		updateDebugText();
		return;
	}
	beatInterval = 60 / bpm;
	beatPattern = generateBeatPattern(bpm);
	nextBeatIdx = 0;
	songTime = 0;
	lastTickTime = Date.now();
	score = 0;
	misses = 0;
	ignoredMisses = 0;
	combo = 0;
	perfectCombo = 0;
	lives = MAX_LIVES;
	heartshields = 3;
	lastBpmUpgradeScore = 0;
	// Remove any beat at the kick target at game start
	for (var i = beats.length - 1; i >= 0; i--) {
		if (typeof beats[i].x !== "undefined" && Math.abs(beats[i].x - HIT_ZONE_X) < 2 || typeof beats[i].x !== "undefined" && beats[i].x >= HIT_ZONE_X - HIT_WINDOW) {
			beats[i].destroy();
			beats.splice(i, 1);
		}
	}
	if (beats.length > 0 && typeof beats[0].x !== "undefined" && Math.abs(beats[0].x - HIT_ZONE_X) < 2) {
		beats[0].destroy();
		beats.splice(0, 1);
	}
	updateHeartsUI(lives, heartshields);
	var heartWidth = 150;
	var totalHeartsWidth = MAX_LIVES * heartWidth + (MAX_LIVES - 1) * heartSpacing;
	var heartStartX = 2048 - 100 - totalHeartsWidth;
	var heartY = scoreTxt.y + 50;
	for (var i = 0; i < heartIcons.length; i++) {
		if (heartIcons[i] && heartIcons[i].parent) {
			heartIcons[i].parent.removeChild(heartIcons[i]);
		}
	}
	heartIcons = [];
	heartshields = MAX_LIVES;
	lives = MAX_LIVES;
	for (var i = 0; i < MAX_LIVES; i++) {
		var heartAsset = LK.getAsset('heartshield', {
			anchorX: 0,
			anchorY: 0,
			x: heartStartX + i * (heartWidth + heartSpacing),
			y: heartY
		});
		gamescreen.addChild(heartAsset);
		heartIcons.push(heartAsset);
	}
	gameActive = true;
	gamePaused = false;
	scoreTxt.setText('0');
	comboTxt.setText('');
	kickTarget.visible = true;
	LK.setScore(0);
	applyGlowToVioletElements();
	updateAllSoundVolumes();
	tween({}, {}, {
		duration: 3000,
		onFinish: function onFinish() {
			if (gameActive && heartshields > 0) {
				heartshields = 0;
				updateHeartsUI(lives, heartshields);
			}
		}
	});
	// --- Play correct BPM music (kickless) ---
	var musicId = '100BPMSynthWave';
	if (bpm === 60) {
		musicId = '60BPMLowKey';
	} else if (bpm === 40) {
		musicId = '40BPMDeepVibes';
	} else if (bpm === 45) {
		musicId = '45BPMChillWave';
	} else if (bpm === 50) {
		musicId = '50BPMSlowMotion';
	} else if (bpm === 55) {
		musicId = '55BPMDreamscape';
	} else if (bpm === 65) {
		musicId = '65BPMRelaxed';
	} else if (bpm === 70) {
		musicId = '70BPMCalmVibes';
	} else if (bpm === 75) {
		musicId = '75BPMElectricDreams';
	} else if (bpm === 80) {
		musicId = '80BPMNeonNights';
	} else if (bpm === 85) {
		musicId = '85BPMCyberFlow';
	} else if (bpm === 90) {
		musicId = '90BPMDigitalPulse';
	} else if (bpm === 95) {
		musicId = '95BPMFutureBass';
	} else if (bpm === 100) {
		musicId = '100BPMSynthWave';
	} else if (bpm === 105) {
		musicId = '105BPMHyperDrive';
	} else if (bpm === 110) {
		musicId = '110BPMTechnoRush';
	} else if (bpm === 115) {
		musicId = '115BPMHighEnergy';
	} else if (bpm === 120) {
		musicId = '120BPMMaximum';
	}
	var volumeMultiplier = soundVolume / 100;
	var musicVolume = 1;
	LK.playMusic(musicId, {
		volume: musicVolume * volumeMultiplier,
		loop: true
	});
	if (bpmDisplayTxt) {
		bpmDisplayTxt.setText(bpm + ' BPM');
	}
	if (songNameTxt) {
		var songName = musicId.replace(/^\d+BPM/, '');
		songNameTxt.setText(songName);
	}
	// --- BPM'e göre waveform'u güncelle ---
	drawWaveformLK();
	// UI gösterimi
	scoreTxt.visible = true;
	comboTxt.visible = true;
	bpmDisplayTxt.visible = true;
	songNameTxt.visible = true;
	gamescreen.visible = true;
	mainMenuContainer.visible = false;
}
// --- Main Menu Implementation ---
// Add main menu background image, anchored top-left, covering the whole game area
var mainMenuContainer = new Container();
mainMenuContainer.visible = true;
var mainMenuBg = LK.getAsset('mainmanubg', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: 0,
	width: 2048,
	height: 2732
});
mainMenuContainer.addChild(mainMenuBg);
// Title - DJ Asset
var djAsset = LK.getAsset('DJ', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 315,
	scaleX: 0.2,
	scaleY: 0.2
});
mainMenuContainer.addChild(djAsset);
// Calculate button positions with 5px spacing
var buttonStartY = 1000;
var buttonHeight = 289; // Approximate height with scale 5
var buttonSpacing = 5;
// Start Button
var startBtn = LK.getAsset('start', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: buttonStartY,
	scaleX: 0.18,
	scaleY: 0.18
});
mainMenuContainer.addChild(startBtn);
// Settings Button
var settingsBtn = LK.getAsset('settingsbutton', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: buttonStartY + 4 * (buttonHeight + buttonSpacing),
	scaleX: 0.18,
	scaleY: 0.18
});
mainMenuContainer.addChild(settingsBtn);
// Credits Button
var creditsBtn = LK.getAsset('creditsbutton', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: buttonStartY + 2 * (buttonHeight + buttonSpacing),
	scaleX: 0.18,
	scaleY: 0.18
});
mainMenuContainer.addChild(creditsBtn);
// Support Us Button
var supportBtn = LK.getAsset('supportbutton', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: buttonStartY + 3 * (buttonHeight + buttonSpacing),
	scaleX: 0.18,
	scaleY: 0.18
});
mainMenuContainer.addChild(supportBtn);
// Overlay for credits/settings/support
var settingsmenu = new Container();
settingsmenu.visible = false;
game.addChild(settingsmenu);
var creditsmenu = new Container();
creditsmenu.visible = false;
game.addChild(creditsmenu);
var supportmenu = new Container();
supportmenu.visible = false;
game.addChild(supportmenu);
// Helper to hide all overlays
function hideAllMenus() {
	settingsmenu.visible = false;
	creditsmenu.visible = false;
	supportmenu.visible = false;
}
// Show credits menu
function showCreditsMenu() {
	hideAllMenus();
	creditsmenu.removeChildren();
	var bg = LK.getAsset('creditsbg', {
		anchorX: 0,
		anchorY: 0,
		x: 0,
		y: 0,
		width: 2048,
		height: 2732
	});
	creditsmenu.addChild(bg);
	var creditsTab = LK.getAsset('creditstab', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 2732 / 2,
		scaleX: 0.5,
		scaleY: 0.5
	});
	creditsmenu.addChild(creditsTab);
	// Close button (bottom right)
	var closeBtn = LK.getAsset('closebutton', {
		anchorX: 1,
		anchorY: 1,
		x: 2048 - 60,
		y: 2732 - 60,
		scaleX: 3,
		scaleY: 3
	});
	creditsmenu.addChild(closeBtn);
	closeBtn.down = function (x, y, obj) {
		// Play button click sound
		LK.getSound('buttonclick').play();
		// Click animation - scale inward then outward
		tween(closeBtn, {
			scaleX: 0.9,
			scaleY: 0.9
		}, {
			duration: 80,
			easing: tween.easeIn,
			onFinish: function onFinish() {
				tween(closeBtn, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 120,
					easing: tween.easeOut
				});
			}
		});
		creditsmenu.visible = false;
		mainMenuContainer.visible = true;
	};
	creditsmenu.visible = true;
	// Remove tap-to-close on background
	creditsmenu.down = undefined;
}
// Show support menu
function showSupportMenu() {
	hideAllMenus();
	supportmenu.removeChildren();
	var bg = LK.getAsset('supportbg', {
		anchorX: 0,
		anchorY: 0,
		x: 0,
		y: 0,
		width: 2048,
		height: 2732
	});
	supportmenu.addChild(bg);
	var supportTab = LK.getAsset('supporttab', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 2732 / 2,
		scaleX: 0.5,
		scaleY: 0.5
	});
	supportmenu.addChild(supportTab);
	// Close button (bottom right)
	var closeBtn = LK.getAsset('closebutton', {
		anchorX: 1,
		anchorY: 1,
		x: 2048 - 60,
		y: 2732 - 60,
		scaleX: 3,
		scaleY: 3
	});
	supportmenu.addChild(closeBtn);
	closeBtn.down = function (x, y, obj) {
		// Play button click sound
		LK.getSound('buttonclick').play();
		// Click animation - scale inward then outward
		tween(closeBtn, {
			scaleX: 0.9,
			scaleY: 0.9
		}, {
			duration: 80,
			easing: tween.easeIn,
			onFinish: function onFinish() {
				tween(closeBtn, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 120,
					easing: tween.easeOut
				});
			}
		});
		supportmenu.visible = false;
		mainMenuContainer.visible = true;
	};
	supportmenu.visible = true;
	// Remove tap-to-close on background
	supportmenu.down = undefined;
	// Play thanks sound after 2 seconds
	LK.setTimeout(function () {
		LK.getSound('thanks').play();
	}, 2000);
}
// Show settings menu
function showSettingsMenu() {
	hideAllMenus();
	settingsmenu.removeChildren();
	var bg = LK.getAsset('settingsbg', {
		anchorX: 0,
		anchorY: 0,
		x: 0,
		y: 0,
		width: 2048,
		height: 2732
	});
	settingsmenu.addChild(bg);
	var settingsAsset = LK.getAsset('settingsbutton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 700,
		scaleX: 0.3,
		scaleY: 0.3
	});
	settingsmenu.addChild(settingsAsset);
	// --- BPM CIRCLE UI ---
	// Container for the whole BPM control
	var bpmCircleContainer = new Container();
	bpmCircleContainer.x = 2048 / 2 - 300;
	bpmCircleContainer.y = 1100;
	settingsmenu.addChild(bpmCircleContainer);
	// --- KICK SOUND SELECTION UI ---
	// Container for kick sound selection
	var kickSoundContainer = new Container();
	kickSoundContainer.x = 2048 / 2;
	kickSoundContainer.y = 1400;
	settingsmenu.addChild(kickSoundContainer);
	// Kick sound label
	var kickSoundLabelTxt = new Text2("KICK SOUND", {
		size: 24,
		fill: 0xffffff
	});
	kickSoundLabelTxt.scale.set(2, 2);
	kickSoundLabelTxt.anchor.set(0.5, 0.5);
	kickSoundLabelTxt.x = 0;
	kickSoundLabelTxt.y = -120;
	kickSoundContainer.addChild(kickSoundLabelTxt);
	// Add settingsbar background behind kick buttons
	var kickSettingsBar = LK.getAsset('settingsbar', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: 0,
		scaleX: 1.2,
		scaleY: 1.2,
		alpha: 0.8
	});
	kickSoundContainer.addChild(kickSettingsBar);
	// Create kick sound buttons
	var kickSounds = ['kick', 'kick2', 'kick3', 'kick4'];
	var kickButtons = [];
	var buttonSpacing = 220;
	var startX = -330;
	for (var i = 0; i < kickSounds.length; i++) {
		var kickButton = LK.getAsset('purplecircle', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: startX + i * buttonSpacing,
			y: 0,
			scaleX: 0.8,
			scaleY: 0.8,
			alpha: selectedKickSound === kickSounds[i] ? 1 : 0.5
		});
		kickSoundContainer.addChild(kickButton);
		// Add number text to button
		var numberTxt = new Text2(i + 1 + "", {
			size: 36,
			fill: 0xffffff
		});
		numberTxt.scale.set(2, 2);
		numberTxt.anchor.set(0.5, 0.5);
		numberTxt.x = startX + i * buttonSpacing;
		numberTxt.y = 0;
		kickSoundContainer.addChild(numberTxt);
		kickButton.kickSoundId = kickSounds[i];
		kickButton.buttonIndex = i;
		kickButtons.push(kickButton);
		// Button click handler
		kickButton.down = function (x, y, obj) {
			// If this is already selected kick sound and any other sound is selected, deselect all kick sounds
			if (selectedKickSound === this.kickSoundId && (selectedHihatSound !== '' || selectedSnareClapSound !== '' || selectedPercussionSound !== '')) {
				// Play the selected kick sound
				LK.getSound(this.kickSoundId).play();
				// Deselect all kick sounds
				selectedKickSound = '';
				storage.selectedKickSound = selectedKickSound;
				// Update button appearances - all kick buttons become inactive
				for (var j = 0; j < kickButtons.length; j++) {
					kickButtons[j].alpha = 0.5;
				}
				// Animate button
				tween(this, {
					scaleX: 0.9,
					scaleY: 0.9
				}, {
					duration: 80,
					easing: tween.easeIn,
					onFinish: function () {
						tween(this, {
							scaleX: 0.8,
							scaleY: 0.8
						}, {
							duration: 120,
							easing: tween.easeOut
						});
					}.bind(this)
				});
				return;
			}
			// If this is already selected and it's the only one selected, don't allow deselection
			if (selectedKickSound === this.kickSoundId && selectedHihatSound === '' && selectedSnareClapSound === '' && selectedPercussionSound === '') {
				// Play the selected kick sound
				LK.getSound(this.kickSoundId).play();
				return; // Don't deselect if it would leave no sound selected
			}
			// Play the selected kick sound
			LK.getSound(this.kickSoundId).play();
			// Update selected kick sound
			selectedKickSound = this.kickSoundId;
			storage.selectedKickSound = selectedKickSound;
			// Update button appearances
			for (var j = 0; j < kickButtons.length; j++) {
				kickButtons[j].alpha = j === this.buttonIndex ? 1 : 0.5;
			}
			// Animate button
			tween(this, {
				scaleX: 0.9,
				scaleY: 0.9
			}, {
				duration: 80,
				easing: tween.easeIn,
				onFinish: function () {
					tween(this, {
						scaleX: 0.8,
						scaleY: 0.8
					}, {
						duration: 120,
						easing: tween.easeOut
					});
				}.bind(this)
			});
		}.bind(kickButton);
	}
	// --- HIHAT SOUND SELECTION UI ---
	// Container for hihat sound selection
	var hihatSoundContainer = new Container();
	hihatSoundContainer.x = 2048 / 2;
	hihatSoundContainer.y = 1700;
	settingsmenu.addChild(hihatSoundContainer);
	// Hihat sound label
	var hihatSoundLabelTxt = new Text2("HI HATS", {
		size: 24,
		fill: 0xffffff
	});
	hihatSoundLabelTxt.scale.set(2, 2);
	hihatSoundLabelTxt.anchor.set(0.5, 0.5);
	hihatSoundLabelTxt.x = 0;
	hihatSoundLabelTxt.y = -120;
	hihatSoundContainer.addChild(hihatSoundLabelTxt);
	// Add settingsbar background behind hihat buttons
	var hihatSettingsBar = LK.getAsset('settingsbar', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: 0,
		scaleX: 1.2,
		scaleY: 1.2,
		alpha: 0.8
	});
	hihatSoundContainer.addChild(hihatSettingsBar);
	// Create hihat sound buttons
	var hihatSounds = ['hihat', 'hihat2', 'hihat3', 'hihat4'];
	var hihatButtons = [];
	var hihatButtonSpacing = 220;
	var hihatStartX = -330;
	for (var i = 0; i < hihatSounds.length; i++) {
		var hihatButton = LK.getAsset('purplecircle', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: hihatStartX + i * hihatButtonSpacing,
			y: 0,
			scaleX: 0.8,
			scaleY: 0.8,
			alpha: selectedHihatSound === hihatSounds[i] ? 1 : 0.5
		});
		hihatSoundContainer.addChild(hihatButton);
		// Add number text to button
		var numberTxt = new Text2(i + 1 + "", {
			size: 36,
			fill: 0xffffff
		});
		numberTxt.scale.set(2, 2);
		numberTxt.anchor.set(0.5, 0.5);
		numberTxt.x = hihatStartX + i * hihatButtonSpacing;
		numberTxt.y = 0;
		hihatSoundContainer.addChild(numberTxt);
		hihatButton.hihatSoundId = hihatSounds[i];
		hihatButton.buttonIndex = i;
		hihatButtons.push(hihatButton);
		// Button click handler
		hihatButton.down = function (x, y, obj) {
			// If this is already selected hihat sound and any other sound is selected, deselect all hihat sounds
			if (selectedHihatSound === this.hihatSoundId && (selectedKickSound !== '' || selectedSnareClapSound !== '' || selectedPercussionSound !== '')) {
				// Play the selected hihat sound
				LK.getSound(this.hihatSoundId).play();
				// Deselect all hihat sounds
				selectedHihatSound = '';
				storage.selectedHihatSound = selectedHihatSound;
				// Update button appearances - all hihat buttons become inactive
				for (var j = 0; j < hihatButtons.length; j++) {
					hihatButtons[j].alpha = 0.5;
				}
				// Animate button
				tween(this, {
					scaleX: 0.9,
					scaleY: 0.9
				}, {
					duration: 80,
					easing: tween.easeIn,
					onFinish: function () {
						tween(this, {
							scaleX: 0.8,
							scaleY: 0.8
						}, {
							duration: 120,
							easing: tween.easeOut
						});
					}.bind(this)
				});
				return;
			}
			// If this is already selected and it's the only one selected, don't allow deselection
			if (selectedHihatSound === this.hihatSoundId && selectedKickSound === '' && selectedSnareClapSound === '' && selectedPercussionSound === '') {
				// Play the selected hihat sound
				LK.getSound(this.hihatSoundId).play();
				return; // Don't deselect if it would leave no sound selected
			}
			// Play the selected hihat sound
			LK.getSound(this.hihatSoundId).play();
			// Update selected hihat sound
			selectedHihatSound = this.hihatSoundId;
			storage.selectedHihatSound = selectedHihatSound;
			// Update button appearances
			for (var j = 0; j < hihatButtons.length; j++) {
				hihatButtons[j].alpha = j === this.buttonIndex ? 1 : 0.5;
			}
			// Animate button
			tween(this, {
				scaleX: 0.9,
				scaleY: 0.9
			}, {
				duration: 80,
				easing: tween.easeIn,
				onFinish: function () {
					tween(this, {
						scaleX: 0.8,
						scaleY: 0.8
					}, {
						duration: 120,
						easing: tween.easeOut
					});
				}.bind(this)
			});
		}.bind(hihatButton);
	}
	// --- SNARE/CLAP SOUND SELECTION UI ---
	// Container for snare/clap sound selection
	var snareClapSoundContainer = new Container();
	snareClapSoundContainer.x = 2048 / 2;
	snareClapSoundContainer.y = 2000;
	settingsmenu.addChild(snareClapSoundContainer);
	// Snare/clap sound label
	var snareClapSoundLabelTxt = new Text2("SNARE/CLAP", {
		size: 24,
		fill: 0xffffff
	});
	snareClapSoundLabelTxt.scale.set(2, 2);
	snareClapSoundLabelTxt.anchor.set(0.5, 0.5);
	snareClapSoundLabelTxt.x = 0;
	snareClapSoundLabelTxt.y = -120;
	snareClapSoundContainer.addChild(snareClapSoundLabelTxt);
	// Add settingsbar background behind snare/clap buttons
	var snareClapSettingsBar = LK.getAsset('settingsbar', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: 0,
		scaleX: 1.2,
		scaleY: 1.2,
		alpha: 0.8
	});
	snareClapSoundContainer.addChild(snareClapSettingsBar);
	// Create snare/clap sound buttons
	var snareClapSounds = ['snareclap', 'snareclap2', 'snareclap3', 'snareclap4'];
	var snareClapButtons = [];
	var snareClapButtonSpacing = 220;
	var snareClapStartX = -330;
	for (var i = 0; i < snareClapSounds.length; i++) {
		var snareClapButton = LK.getAsset('purplecircle', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: snareClapStartX + i * snareClapButtonSpacing,
			y: 0,
			scaleX: 0.8,
			scaleY: 0.8,
			alpha: selectedSnareClapSound === snareClapSounds[i] ? 1 : 0.5
		});
		snareClapSoundContainer.addChild(snareClapButton);
		// Add number text to button
		var numberTxt = new Text2(i + 1 + "", {
			size: 36,
			fill: 0xffffff
		});
		numberTxt.scale.set(2, 2);
		numberTxt.anchor.set(0.5, 0.5);
		numberTxt.x = snareClapStartX + i * snareClapButtonSpacing;
		numberTxt.y = 0;
		snareClapSoundContainer.addChild(numberTxt);
		snareClapButton.snareClapSoundId = snareClapSounds[i];
		snareClapButton.buttonIndex = i;
		snareClapButtons.push(snareClapButton);
		// Button click handler
		snareClapButton.down = function (x, y, obj) {
			// If this is already selected snare/clap sound and any other sound is selected, deselect all snare/clap sounds
			if (selectedSnareClapSound === this.snareClapSoundId && (selectedKickSound !== '' || selectedHihatSound !== '' || selectedPercussionSound !== '')) {
				// Play the selected snare/clap sound
				LK.getSound(this.snareClapSoundId).play();
				// Deselect all snare/clap sounds
				selectedSnareClapSound = '';
				storage.selectedSnareClapSound = selectedSnareClapSound;
				// Update button appearances - all snare/clap buttons become inactive
				for (var j = 0; j < snareClapButtons.length; j++) {
					snareClapButtons[j].alpha = 0.5;
				}
				// Animate button
				tween(this, {
					scaleX: 0.9,
					scaleY: 0.9
				}, {
					duration: 80,
					easing: tween.easeIn,
					onFinish: function () {
						tween(this, {
							scaleX: 0.8,
							scaleY: 0.8
						}, {
							duration: 120,
							easing: tween.easeOut
						});
					}.bind(this)
				});
				return;
			}
			// If this is already selected and it's the only one selected, don't allow deselection
			if (selectedSnareClapSound === this.snareClapSoundId && selectedKickSound === '' && selectedHihatSound === '' && selectedPercussionSound === '') {
				// Play the selected snare/clap sound
				LK.getSound(this.snareClapSoundId).play();
				return; // Don't deselect if it would leave no sound selected
			}
			// Play the selected snare/clap sound
			LK.getSound(this.snareClapSoundId).play();
			// Update selected snare/clap sound
			selectedSnareClapSound = this.snareClapSoundId;
			storage.selectedSnareClapSound = selectedSnareClapSound;
			// Update button appearances
			for (var j = 0; j < snareClapButtons.length; j++) {
				snareClapButtons[j].alpha = j === this.buttonIndex ? 1 : 0.5;
			}
			// Animate button
			tween(this, {
				scaleX: 0.9,
				scaleY: 0.9
			}, {
				duration: 80,
				easing: tween.easeIn,
				onFinish: function () {
					tween(this, {
						scaleX: 0.8,
						scaleY: 0.8
					}, {
						duration: 120,
						easing: tween.easeOut
					});
				}.bind(this)
			});
		}.bind(snareClapButton);
	}
	// --- PERCUSSION SOUND SELECTION UI ---
	// Container for percussion sound selection
	var percussionSoundContainer = new Container();
	percussionSoundContainer.x = 2048 / 2;
	percussionSoundContainer.y = 2300;
	settingsmenu.addChild(percussionSoundContainer);
	// Percussion sound label
	var percussionSoundLabelTxt = new Text2("PERCUSSION", {
		size: 24,
		fill: 0xffffff
	});
	percussionSoundLabelTxt.scale.set(2, 2);
	percussionSoundLabelTxt.anchor.set(0.5, 0.5);
	percussionSoundLabelTxt.x = 0;
	percussionSoundLabelTxt.y = -120;
	percussionSoundContainer.addChild(percussionSoundLabelTxt);
	// Add settingsbar background behind percussion buttons
	var percussionSettingsBar = LK.getAsset('settingsbar', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: 0,
		scaleX: 1.2,
		scaleY: 1.2,
		alpha: 0.8
	});
	percussionSoundContainer.addChild(percussionSettingsBar);
	// Create percussion sound buttons
	var percussionSounds = ['percussion', 'percussion2', 'percussion3', 'percussion4'];
	var percussionButtons = [];
	var percussionButtonSpacing = 220;
	var percussionStartX = -330;
	for (var i = 0; i < percussionSounds.length; i++) {
		var percussionButton = LK.getAsset('purplecircle', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: percussionStartX + i * percussionButtonSpacing,
			y: 0,
			scaleX: 0.8,
			scaleY: 0.8,
			alpha: selectedPercussionSound === percussionSounds[i] ? 1 : 0.5
		});
		percussionSoundContainer.addChild(percussionButton);
		// Add number text to button
		var numberTxt = new Text2(i + 1 + "", {
			size: 36,
			fill: 0xffffff
		});
		numberTxt.scale.set(2, 2);
		numberTxt.anchor.set(0.5, 0.5);
		numberTxt.x = percussionStartX + i * percussionButtonSpacing;
		numberTxt.y = 0;
		percussionSoundContainer.addChild(numberTxt);
		percussionButton.percussionSoundId = percussionSounds[i];
		percussionButton.buttonIndex = i;
		percussionButtons.push(percussionButton);
		// Button click handler
		percussionButton.down = function (x, y, obj) {
			// If this is already selected percussion sound and any other sound is selected, deselect all percussion sounds
			if (selectedPercussionSound === this.percussionSoundId && (selectedKickSound !== '' || selectedHihatSound !== '' || selectedSnareClapSound !== '')) {
				// Play the selected percussion sound
				LK.getSound(this.percussionSoundId).play();
				// Deselect all percussion sounds
				selectedPercussionSound = '';
				storage.selectedPercussionSound = selectedPercussionSound;
				// Update button appearances - all percussion buttons become inactive
				for (var j = 0; j < percussionButtons.length; j++) {
					percussionButtons[j].alpha = 0.5;
				}
				// Animate button
				tween(this, {
					scaleX: 0.9,
					scaleY: 0.9
				}, {
					duration: 80,
					easing: tween.easeIn,
					onFinish: function () {
						tween(this, {
							scaleX: 0.8,
							scaleY: 0.8
						}, {
							duration: 120,
							easing: tween.easeOut
						});
					}.bind(this)
				});
				return;
			}
			// If this is already selected and it's the only one selected, don't allow deselection
			if (selectedPercussionSound === this.percussionSoundId && selectedKickSound === '' && selectedHihatSound === '' && selectedSnareClapSound === '') {
				// Play the selected percussion sound
				LK.getSound(this.percussionSoundId).play();
				return; // Don't deselect if it would leave no sound selected
			}
			// Play the selected percussion sound
			LK.getSound(this.percussionSoundId).play();
			// Update selected percussion sound
			selectedPercussionSound = this.percussionSoundId;
			storage.selectedPercussionSound = selectedPercussionSound;
			// Update button appearances
			for (var j = 0; j < percussionButtons.length; j++) {
				percussionButtons[j].alpha = j === this.buttonIndex ? 1 : 0.5;
			}
			// Animate button
			tween(this, {
				scaleX: 0.9,
				scaleY: 0.9
			}, {
				duration: 80,
				easing: tween.easeIn,
				onFinish: function () {
					tween(this, {
						scaleX: 0.8,
						scaleY: 0.8
					}, {
						duration: 120,
						easing: tween.easeOut
					});
				}.bind(this)
			});
		}.bind(percussionButton);
	}
	// --- SOUND VOLUME CIRCLE UI ---
	// Container for the whole sound volume control
	var volumeCircleContainer = new Container();
	volumeCircleContainer.x = 2048 / 2 + 300;
	volumeCircleContainer.y = 1100;
	settingsmenu.addChild(volumeCircleContainer);
	// Circle background
	var bpmCircleBg = LK.getAsset('purplecircle', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: 0,
		scaleX: 1.1,
		scaleY: 1.1,
		alpha: 0.85
	});
	bpmCircleContainer.addChild(bpmCircleBg);
	// BPM value text
	var bpmValueTxt = new Text2(bpm + "", {
		size: 54,
		fill: 0xffffff
	});
	bpmValueTxt.scale.set(2, 2);
	bpmValueTxt.anchor.set(0.5, 0.5);
	bpmValueTxt.x = 0;
	bpmValueTxt.y = 0;
	bpmCircleContainer.addChild(bpmValueTxt);
	// BPM label text
	var bpmLabelTxt = new Text2("BPM", {
		size: 24,
		fill: 0xffffff
	});
	bpmLabelTxt.scale.set(2, 2);
	bpmLabelTxt.anchor.set(0.5, 0.5);
	bpmLabelTxt.x = 0;
	bpmLabelTxt.y = 90;
	bpmCircleContainer.addChild(bpmLabelTxt);
	// Volume circle background
	var volumeCircleBg = LK.getAsset('purplecircle', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: 0,
		scaleX: 1.1,
		scaleY: 1.1,
		alpha: 0.85
	});
	volumeCircleContainer.addChild(volumeCircleBg);
	// Volume value text
	var volumeValueTxt = new Text2((typeof storage.soundVolume === "number" ? storage.soundVolume : 100) + "", {
		size: 54,
		fill: 0xffffff
	});
	volumeValueTxt.scale.set(2, 2);
	volumeValueTxt.anchor.set(0.5, 0.5);
	volumeValueTxt.x = 0;
	volumeValueTxt.y = 0;
	volumeCircleContainer.addChild(volumeValueTxt);
	// Volume label text
	var volumeLabelTxt = new Text2("SOUND", {
		size: 24,
		fill: 0xffffff
	});
	volumeLabelTxt.scale.set(2, 2);
	volumeLabelTxt.anchor.set(0.5, 0.5);
	volumeLabelTxt.x = 0;
	volumeLabelTxt.y = 90;
	volumeCircleContainer.addChild(volumeLabelTxt);
	// --- Drag-to-change BPM logic ---
	var dragActive = false;
	var dragStartY = 0;
	var dragStartBpm = 0;
	var lastDragStep = 0;
	var BPM_MIN = 40;
	var BPM_MAX = 120;
	var BPM_STEP = 5;
	var PIXELS_PER_STEP = 20;
	// Touch start (down) on circle
	bpmCircleContainer.down = function (x, y, obj) {
		dragActive = true;
		dragStartY = y;
		dragStartBpm = bpm;
		lastDragStep = 0;
		// Animate circle slightly for feedback
		tween(bpmCircleBg, {
			scaleX: 1.18,
			scaleY: 1.18
		}, {
			duration: 100,
			yoyo: true,
			repeat: 1
		});
	};
	// Touch move on circle
	bpmCircleContainer.move = function (x, y, obj) {
		if (!dragActive) {
			return;
		}
		var dy = dragStartY - y; // Up is positive
		var step = Math.floor(dy / PIXELS_PER_STEP);
		if (step !== lastDragStep) {
			var calculatedBpm = dragStartBpm + step * BPM_STEP;
			if (calculatedBpm < BPM_MIN) {
				calculatedBpm = BPM_MIN;
			}
			if (calculatedBpm > BPM_MAX) {
				calculatedBpm = BPM_MAX;
			}
			if (bpm !== calculatedBpm) {
				bpm = calculatedBpm;
				bpmValueTxt.setText(bpm + "");
				beatInterval = 60 / bpm; // Recalculate beat interval for new BPM
				// Regenerate beat pattern with new BPM intervals
				beatPattern = generateBeatPattern(bpm);
				nextBeatIdx = 0; // Reset beat spawning
				storage.bpm = bpm; // persist bpm to storage
				// Play scratch sound when BPM changes during settings
				LK.getSound('scratch').play();
				if (bpmDisplayTxt) {
					// Show the actual BPM of the currently playing song, not the settings BPM
					var currentPlayingBpm = bpm; // This is the actual BPM being used for gameplay
					bpmDisplayTxt.setText(currentPlayingBpm + ' BPM');
				}
				drawWaveformLK(); // waveform'u anlık güncelle
				// --- İYİLEŞTİRME: Eğer endless modda oyun aktifse, BPM değişikliğini oyuna uygula ---
				if (gameMode === 'endless' && gameActive && !gamePaused) {
					// BPM'i ve beatInterval'ı güncelle
					beatInterval = 60 / bpm;
					beatPattern = generateBeatPattern(bpm);
					nextBeatIdx = 0;
					if (bpmDisplayTxt) {
						bpmDisplayTxt.setText(bpm + ' BPM');
					}
					drawWaveformLK();
					// Müzik de BPM'e göre değişsin
					var musicId = '100BPMSynthWave';
					if (bpm === 60) {
						musicId = '60BPMLowKey';
					} else if (bpm === 40) {
						musicId = '40BPMDeepVibes';
					} else if (bpm === 45) {
						musicId = '45BPMChillWave';
					} else if (bpm === 50) {
						musicId = '50BPMSlowMotion';
					} else if (bpm === 55) {
						musicId = '55BPMDreamscape';
					} else if (bpm === 65) {
						musicId = '65BPMRelaxed';
					} else if (bpm === 70) {
						musicId = '70BPMCalmVibes';
					} else if (bpm === 75) {
						musicId = '75BPMElectricDreams';
					} else if (bpm === 80) {
						musicId = '80BPMNeonNights';
					} else if (bpm === 85) {
						musicId = '85BPMCyberFlow';
					} else if (bpm === 90) {
						musicId = '90BPMDigitalPulse';
					} else if (bpm === 95) {
						musicId = '95BPMFutureBass';
					} else if (bpm === 100) {
						musicId = '100BPMSynthWave';
					} else if (bpm === 105) {
						musicId = '105BPMHyperDrive';
					} else if (bpm === 110) {
						musicId = '110BPMTechnoRush';
					} else if (bpm === 115) {
						musicId = '115BPMHighEnergy';
					} else if (bpm === 120) {
						musicId = '120BPMMaximum';
					}
					var volumeMultiplier = soundVolume / 100;
					LK.stopMusic();
					LK.playMusic(musicId, {
						volume: 1 * volumeMultiplier,
						loop: true
					});
					if (songNameTxt) {
						var songName = musicId.replace(/^\d+BPM/, '');
						songNameTxt.setText(songName);
					}
				}
				updateDebugText();
			}
			lastDragStep = step;
		}
	};
	// Touch end (up) on circle
	bpmCircleContainer.up = function (x, y, obj) {
		dragActive = false;
		// Animate back to normal scale
		tween(bpmCircleBg, {
			scaleX: 1.1,
			scaleY: 1.1
		}, {
			duration: 100
		});
	};
	// --- Volume drag logic ---
	var volumeDragActive = false;
	var volumeDragStartY = 0;
	var volumeDragStartValue = 0;
	var volumeLastDragStep = 0;
	var VOLUME_MIN = 0;
	var VOLUME_MAX = 100;
	var VOLUME_STEP = 5;
	var VOLUME_PIXELS_PER_STEP = 20;
	// Touch start (down) on volume circle
	volumeCircleContainer.down = function (x, y, obj) {
		volumeDragActive = true;
		volumeDragStartY = y;
		volumeDragStartValue = soundVolume;
		volumeLastDragStep = 0;
		// Animate circle slightly for feedback
		tween(volumeCircleBg, {
			scaleX: 1.18,
			scaleY: 1.18
		}, {
			duration: 100,
			yoyo: true,
			repeat: 1
		});
	};
	// Touch move on volume circle
	volumeCircleContainer.move = function (x, y, obj) {
		if (!volumeDragActive) {
			return;
		}
		var dy = volumeDragStartY - y; // Up is positive
		var step = Math.floor(dy / VOLUME_PIXELS_PER_STEP);
		if (step !== volumeLastDragStep) {
			var newVolume = volumeDragStartValue + step * VOLUME_STEP;
			if (newVolume < VOLUME_MIN) {
				newVolume = VOLUME_MIN;
			}
			if (newVolume > VOLUME_MAX) {
				newVolume = VOLUME_MAX;
			}
			if (newVolume !== soundVolume) {
				soundVolume = newVolume;
				volumeValueTxt.setText(soundVolume + "");
				storage.soundVolume = soundVolume; // persist volume to storage
				updateAllSoundVolumes(); // Update all sound volumes immediately
				// Update current playing music volume immediately
				var currentVolumeMultiplier = soundVolume / 100;
				LK.playMusic('menumusic', {
					volume: 0.8 * currentVolumeMultiplier,
					loop: true
				});
			}
			volumeLastDragStep = step;
		}
	};
	// Touch end (up) on volume circle
	volumeCircleContainer.up = function (x, y, obj) {
		volumeDragActive = false;
		// Animate back to normal scale
		tween(volumeCircleBg, {
			scaleX: 1.1,
			scaleY: 1.1
		}, {
			duration: 100
		});
	};
	// Close button (bottom right)
	var closeBtn = LK.getAsset('closebutton', {
		anchorX: 1,
		anchorY: 1,
		x: 2048 - 60,
		y: 2732 - 60,
		scaleX: 3,
		scaleY: 3
	});
	settingsmenu.addChild(closeBtn);
	closeBtn.down = function (x, y, obj) {
		// Play button click sound
		LK.getSound('buttonclick').play();
		// Click animation - scale inward then outward
		tween(closeBtn, {
			scaleX: 0.9,
			scaleY: 0.9
		}, {
			duration: 80,
			easing: tween.easeIn,
			onFinish: function onFinish() {
				tween(closeBtn, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 120,
					easing: tween.easeOut
				});
			}
		});
		settingsmenu.visible = false;
		mainMenuContainer.visible = true;
	};
	// Remove tap-to-close on background
	settingsmenu.down = undefined;
	settingsmenu.visible = true;
}
// Button event handlers
// Countdown logic
var countdownContainer = new Container();
countdownContainer.visible = false;
game.addChild(countdownContainer);
// Pre-game ready screen container
var readyContainer = new Container();
readyContainer.visible = false;
game.addChild(readyContainer);
function showStoryIntro(onComplete) {
	storyContainer.visible = true;
	storyContainer.removeChildren();
	// Dark background covering full screen
	var storyBg = LK.getAsset('defeatbg', {
		anchorX: 0,
		anchorY: 0,
		x: 0,
		y: 0,
		width: 2048,
		height: 2732,
		tint: 0x000000
	});
	storyContainer.addChild(storyBg);
	// Play chapter1music during storytelling
	var volumeMultiplier = soundVolume / 100;
	LK.playMusic('chapter1music', {
		volume: 0.2 * volumeMultiplier,
		loop: true
	});
	// Skip button in bottom right corner
	var skipBtn = new Text2("SKIP", {
		size: 36,
		fill: 0xffffff
	});
	skipBtn.scale.set(2, 2);
	skipBtn.anchor.set(1, 1);
	skipBtn.x = 2048 - 50;
	skipBtn.y = 2732 - 50;
	storyContainer.addChild(skipBtn);
	// Skip button click handler
	skipBtn.down = function (x, y, obj) {
		LK.getSound('buttonclick').play();
		// Click animation
		tween(skipBtn, {
			scaleX: 3.6,
			scaleY: 3.6
		}, {
			duration: 80,
			easing: tween.easeIn,
			onFinish: function onFinish() {
				tween(skipBtn, {
					scaleX: 4,
					scaleY: 4
				}, {
					duration: 120,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						// Keep storyContainer visible to continue story narration
						// storyContainer.visible = false;
						// storyContainer.removeChildren();
						if (typeof onComplete === "function") {
							onComplete();
						}
					}
				});
			}
		});
	};
	// Chapter 1 asset with fade in effect
	var chapter1Asset = LK.getAsset('Chapter1', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 2732 / 2 - 100,
		alpha: 0,
		scaleX: 0.4,
		scaleY: 0.4
	});
	storyContainer.addChild(chapter1Asset);
	// Fade in effect for chapter1 asset with 0.5 second delay
	tween(chapter1Asset, {
		alpha: 1
	}, {
		duration: 2000,
		delay: 500,
		easing: tween.easeOut
	});
	// Echoes of the Past asset with fade in effect
	var echoesofthepastAsset = LK.getAsset('echoesofthepast', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 2732 / 2 + 40,
		alpha: 0,
		scaleX: 0.3,
		scaleY: 0.3
	});
	storyContainer.addChild(echoesofthepastAsset);
	// Fade in effect for echoesofthepast asset with 0.8 second delay
	tween(echoesofthepastAsset, {
		alpha: 1
	}, {
		duration: 2000,
		delay: 800,
		easing: tween.easeOut
	});
	// Calculate sound duration (end - start) and fade out text when sound ends
	var soundDuration = (0.976 - 0.05) * 1000; // Convert to milliseconds
	var fadeoutDuration = 200; // 0.2 second fadeout
	// Play echoesofthepast sound synchronized with asset fade-in timing
	LK.setTimeout(function () {
		var echoesSound = LK.getSound('echoesofthepast');
		echoesSound.play();
		// Start fadeout 0.2 seconds before sound ends
		LK.setTimeout(function () {
			tween(echoesSound, {
				volume: 0
			}, {
				duration: fadeoutDuration,
				easing: tween.easeOut
			});
		}, soundDuration - fadeoutDuration);
	}, 500); // Start sound when chapter1 asset starts fading in for perfect sync
	// Remove assets 0.8 seconds after sound finishes (extended by 0.4 seconds)
	LK.setTimeout(function () {
		chapter1Asset.destroy();
		echoesofthepastAsset.destroy();
		// Add white stroke background for ch1pan1 asset
		var ch1pan1Stroke = LK.getAsset('ch1pan1', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 2048 / 2,
			y: 2732 / 2,
			rotation: 15 * Math.PI / 180,
			// Convert 15 degrees to radians
			alpha: 0,
			scaleX: 0.87,
			scaleY: 0.87,
			tint: 0xffffff
		});
		storyContainer.addChild(ch1pan1Stroke);
		// Add ch1pan1 asset to center screen with 15-degree rotation, starting from left side
		var ch1pan1Asset = LK.getAsset('ch1pan1', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: -400,
			y: 2732 / 2,
			rotation: 15 * Math.PI / 180,
			// Convert 15 degrees to radians
			alpha: 0,
			scaleX: 0.85,
			scaleY: 0.85
		});
		storyContainer.addChild(ch1pan1Asset);
		// Fade in the stroke background first
		tween(ch1pan1Stroke, {
			alpha: 1
		}, {
			duration: 1000,
			easing: tween.easeOut
		});
		// Play paperswosh sound when ch1pan1 starts sliding in
		LK.getSound('paperswosh').play();
		// Fade in and slide ch1pan1 asset from left to center with sliding motion effect
		tween(ch1pan1Asset, {
			alpha: 1,
			x: 2048 / 2
		}, {
			duration: 1000,
			easing: tween.easeOut
		});
		// Track current panel being shown
		var currentPanel = 1;
		// Add touch handler to advance story
		storyContainer.down = function (x, y, obj) {
			// Check if chapter1 asset still exists - if so, don't show panel assets
			var chapter1Exists = false;
			for (var i = 0; i < storyContainer.children.length; i++) {
				var child = storyContainer.children[i];
				if (child && child.texture && child.texture.baseTexture && child.texture.baseTexture.source && child.texture.baseTexture.source.src && child.texture.baseTexture.source.src.indexOf('Chapter1') !== -1) {
					chapter1Exists = true;
					break;
				}
			}
			// If chapter1 asset still exists, don't proceed with panel assets
			if (chapter1Exists) {
				return;
			}
			if (currentPanel === 1) {
				// Add ch1pan2 asset starting from right side with 2 degree left rotation
				var ch1pan2Asset = LK.getAsset('ch1pan2', {
					anchorX: 0.5,
					anchorY: 0.5,
					x: 2048 + 400,
					// Start from right side off-screen
					y: 2732 / 2,
					rotation: -2 * Math.PI / 180,
					// 2 degrees to the left (negative)
					alpha: 0,
					scaleX: 0.85,
					scaleY: 0.85
				});
				storyContainer.addChild(ch1pan2Asset);
				// Play paperswosh sound when ch1pan2 starts sliding in
				LK.getSound('paperswosh').play();
				// Fade in and slide ch1pan2 asset from right to left
				tween(ch1pan2Asset, {
					alpha: 1,
					x: 2048 / 2 // Move to center
				}, {
					duration: 1000,
					easing: tween.easeOut
				});
				currentPanel = 2;
			} else if (currentPanel === 2) {
				// Add ch1pan3 with random rotation (left or right)
				var randomRotation = (Math.random() < 0.5 ? -1 : 1) * (Math.random() * 5 + 2); // Random 2-7 degrees left or right
				var slideFromRight = Math.random() < 0.5; // Randomly choose slide direction
				var ch1pan3Asset = LK.getAsset('ch1pan3', {
					anchorX: 0.5,
					anchorY: 0.5,
					x: slideFromRight ? 2048 + 400 : -400,
					y: 2732 / 2,
					rotation: randomRotation * Math.PI / 180,
					alpha: 0,
					scaleX: 0.85,
					scaleY: 0.85
				});
				storyContainer.addChild(ch1pan3Asset);
				// Play paperswosh sound when ch1pan3 starts sliding in
				LK.getSound('paperswosh').play();
				// Fade in and slide ch1pan3 asset to center
				tween(ch1pan3Asset, {
					alpha: 1,
					x: 2048 / 2
				}, {
					duration: 1000,
					easing: tween.easeOut
				});
				currentPanel = 3;
			} else if (currentPanel === 3) {
				// Add ch1pan4 with random rotation (left or right)
				var randomRotation = (Math.random() < 0.5 ? -1 : 1) * (Math.random() * 5 + 2); // Random 2-7 degrees left or right
				var slideFromRight = Math.random() < 0.5; // Randomly choose slide direction
				var ch1pan4Asset = LK.getAsset('ch1pan4', {
					anchorX: 0.5,
					anchorY: 0.5,
					x: slideFromRight ? 2048 + 400 : -400,
					y: 2732 / 2,
					rotation: randomRotation * Math.PI / 180,
					alpha: 0,
					scaleX: 0.85,
					scaleY: 0.85
				});
				storyContainer.addChild(ch1pan4Asset);
				// Play paperswosh sound when ch1pan4 starts sliding in
				LK.getSound('paperswosh').play();
				// Fade in and slide ch1pan4 asset to center
				tween(ch1pan4Asset, {
					alpha: 1,
					x: 2048 / 2
				}, {
					duration: 1000,
					easing: tween.easeOut
				});
				currentPanel = 4;
			} else if (currentPanel === 4) {
				// Add ch1pan5 with random rotation (left or right)
				var randomRotation = (Math.random() < 0.5 ? -1 : 1) * (Math.random() * 5 + 2); // Random 2-7 degrees left or right
				var slideFromRight = Math.random() < 0.5; // Randomly choose slide direction
				var ch1pan5Asset = LK.getAsset('ch1pan5', {
					anchorX: 0.5,
					anchorY: 0.5,
					x: slideFromRight ? 2048 + 400 : -400,
					y: 2732 / 2,
					rotation: randomRotation * Math.PI / 180,
					alpha: 0,
					scaleX: 0.85,
					scaleY: 0.85
				});
				storyContainer.addChild(ch1pan5Asset);
				// Play paperswosh sound when ch1pan5 starts sliding in
				LK.getSound('paperswosh').play();
				// Fade in and slide ch1pan5 asset to center
				tween(ch1pan5Asset, {
					alpha: 1,
					x: 2048 / 2
				}, {
					duration: 1000,
					easing: tween.easeOut
				});
				currentPanel = 5;
			} else if (currentPanel === 5) {
				// Fade out all panel assets when touched after ch1pan5
				var allPanelAssets = [];
				// Collect all panel assets from storyContainer
				for (var i = 0; i < storyContainer.children.length; i++) {
					var child = storyContainer.children[i];
					// Check if it's a panel asset by checking if it has panel-like properties
					if (child && child.anchor && child.x !== undefined && child.y !== undefined && child.alpha !== undefined) {
						// Skip background and skip button
						if (child !== storyBg && child !== skipBtn) {
							allPanelAssets.push(child);
						}
					}
				}
				// Fade out all panel assets simultaneously
				for (var i = 0; i < allPanelAssets.length; i++) {
					tween(allPanelAssets[i], {
						alpha: 0
					}, {
						duration: 200,
						easing: tween.easeOut,
						onFinish: function () {
							// Destroy the asset after fadeout
							if (this.parent) {
								this.parent.removeChild(this);
							}
							this.destroy();
						}.bind(allPanelAssets[i])
					});
				}
				// After all panels are faded out, fade out the black background and transition to tutorial
				tween(storyBg, {
					alpha: 0
				}, {
					duration: 200,
					delay: 700,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						// Remove skip button
						if (skipBtn && skipBtn.parent) {
							skipBtn.parent.removeChild(skipBtn);
						}
						skipBtn.destroy();
						// Hide story container and show tutorial/game screen
						storyContainer.visible = false;
						storyContainer.removeChildren();
						// Call the onComplete callback to proceed to tutorial
						if (typeof onComplete === "function") {
							onComplete();
						}
					}
				});
				// Remove touch handler after fadeout starts
				storyContainer.down = undefined;
				currentPanel = 6;
			}
		};
		// Keep storyContainer visible to continue story narration
		// storyContainer.visible = false;
		// storyContainer.removeChildren();
		if (typeof onComplete === "function") {
			onComplete();
		}
		ch1pan1Stroke.destroy();
	}, 500 + soundDuration + 800); // Remove assets 0.8 seconds after sound ends
	// For now, skip button is the only way to proceed
	// Skip button can still be used to proceed early
}
function showReadyScreen(onReady) {
	gamescreen.visible = true;
	readyContainer.visible = true;
	readyContainer.removeChildren();
	var arrowTap = LK.getAsset('arrowtap', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: HIT_ZONE_X - 150,
		y: HIT_ZONE_Y + 250,
		scaleX: 3,
		scaleY: 3
	});
	readyContainer.addChild(arrowTap);
	// Show ready button
	var readyBtn = LK.getAsset('readybutton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 2732 / 2 + 350,
		scaleX: 6,
		scaleY: 6
	});
	readyContainer.addChild(readyBtn);
	// Add readyinfo asset on top of readybutton
	var readyInfo = LK.getAsset('readyinfo', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 2732 / 2 - 400,
		scaleX: 1.1,
		scaleY: 1.1
	});
	readyContainer.addChild(readyInfo);
	// Track if black screen is gone
	var blackScreenGone = false;
	// Check if black screen has been removed by listening for story completion
	var _checkStoryComplete = function checkStoryComplete() {
		// If storyContainer is not visible, black screen has been removed
		if (!storyContainer.visible) {
			blackScreenGone = true;
			readyBtn.alpha = 1; // Enable ready button
		} else {
			// Schedule another check
			LK.setTimeout(_checkStoryComplete, 100);
		}
	};
	// Start checking for story completion
	LK.setTimeout(_checkStoryComplete, 100);
	// Initially disable ready button
	readyBtn.alpha = 0.5;
	// Ready button click handler
	readyBtn.down = function (x, y, obj) {
		// Don't allow button press if black screen is still visible
		if (!blackScreenGone) {
			return;
		}
		// Play button click sound
		LK.getSound('buttonclick').play();
		// Click animation
		tween(readyBtn, {
			scaleX: 7.2,
			scaleY: 7.2
		}, {
			duration: 80,
			easing: tween.easeIn,
			onFinish: function onFinish() {
				tween(readyBtn, {
					scaleX: 8,
					scaleY: 8
				}, {
					duration: 120,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						readyContainer.visible = false;
						readyContainer.removeChildren();
						if (typeof onReady === "function") {
							onReady();
						}
					}
				});
			}
		});
	};
}
function showCountdown(onFinish) {
	gamescreen.visible = true;
	countdownContainer.visible = true;
	countdownContainer.removeChildren();
	var numbers = ["3", "2", "1"];
	var idx = 0;
	function showNext() {
		if (idx >= numbers.length) {
			countdownContainer.visible = false;
			countdownContainer.removeChildren();
			// Always show gamescreen after countdown (fix blackscreen bug)
			gamescreen.visible = true;
			if (typeof onFinish === "function") {
				onFinish();
			}
			return;
		}
		countdownContainer.removeChildren();
		var txt = new Text2(numbers[idx], {
			size: 600,
			fill: 0xffd700
		});
		txt.scale.set(160, 160);
		txt.anchor.set(0.5, 0.5);
		txt.x = 2048 / 2;
		txt.y = 1200;
		txt.alpha = 0;
		txt.scale.x = 0.6;
		txt.scale.y = 0.6;
		countdownContainer.addChild(txt);
		// Animate in
		tween(txt, {
			alpha: 1,
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 250,
			easing: tween.cubicOut,
			onFinish: function onFinish() {
				// Hold, then animate out
				tween(txt, {
					alpha: 0,
					scaleX: 1.5,
					scaleY: 1.5
				}, {
					duration: 350,
					delay: 400,
					easing: tween.cubicIn,
					onFinish: function onFinish() {
						idx++;
						showNext();
					}
				});
			}
		});
	}
	idx = 0;
	showNext();
}
startBtn.down = function (x, y, obj) {
	// Play button click sound
	LK.getSound('buttonclick').play();
	// Stop menu music immediately
	LK.stopMusic();
	// Click animation - scale inward then outward
	tween(startBtn, {
		scaleX: 0.162,
		scaleY: 0.162
	}, {
		duration: 80,
		easing: tween.easeIn,
		onFinish: function onFinish() {
			tween(startBtn, {
				scaleX: 0.18,
				scaleY: 0.18
			}, {
				duration: 120,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					mainMenuContainer.visible = false;
					showStoryIntro(function () {
						showReadyScreen(function () {
							showCountdown(function () {
								startGame({
									mode: "story"
								});
							});
						});
					});
				}
			});
		}
	});
};
settingsBtn.down = function (x, y, obj) {
	// Play button click sound
	LK.getSound('buttonclick').play();
	// Click animation - scale inward then outward
	tween(settingsBtn, {
		scaleX: 0.162,
		scaleY: 0.162
	}, {
		duration: 80,
		easing: tween.easeIn,
		onFinish: function onFinish() {
			tween(settingsBtn, {
				scaleX: 0.18,
				scaleY: 0.18
			}, {
				duration: 120,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					mainMenuContainer.visible = false;
					showSettingsMenu();
				}
			});
		}
	});
};
creditsBtn.down = function (x, y, obj) {
	// Play button click sound
	LK.getSound('buttonclick').play();
	// Click animation - scale inward then outward
	tween(creditsBtn, {
		scaleX: 0.162,
		scaleY: 0.162
	}, {
		duration: 80,
		easing: tween.easeIn,
		onFinish: function onFinish() {
			tween(creditsBtn, {
				scaleX: 0.18,
				scaleY: 0.18
			}, {
				duration: 120,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					mainMenuContainer.visible = false;
					showCreditsMenu();
				}
			});
		}
	});
};
supportBtn.down = function (x, y, obj) {
	// Play button click sound
	LK.getSound('buttonclick').play();
	// Click animation - scale inward then outward
	tween(supportBtn, {
		scaleX: 0.162,
		scaleY: 0.162
	}, {
		duration: 80,
		easing: tween.easeIn,
		onFinish: function onFinish() {
			tween(supportBtn, {
				scaleX: 0.18,
				scaleY: 0.18
			}, {
				duration: 120,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					mainMenuContainer.visible = false;
					showSupportMenu();
				}
			});
		}
	});
};
// Music mute button in bottom corner of main menu
var musicMuted = typeof storage.musicMuted === "boolean" ? storage.musicMuted : false;
var musicMuteBtn = LK.getAsset('purplecircle', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 - 150,
	y: 2732 - 150,
	scaleX: 0.8,
	scaleY: 0.8,
	alpha: musicMuted ? 0.5 : 1
});
mainMenuContainer.addChild(musicMuteBtn);
// Music icon text on button
var musicIconTxt = new Text2(musicMuted ? "M" : "♪", {
	size: 48,
	fill: 0xffffff
});
musicIconTxt.scale.set(2, 2);
musicIconTxt.anchor.set(0.5, 0.5);
musicIconTxt.x = 2048 - 150;
musicIconTxt.y = 2732 - 150;
mainMenuContainer.addChild(musicIconTxt);
// Music mute button handler
musicMuteBtn.down = function (x, y, obj) {
	// Play button click sound
	LK.getSound('buttonclick').play();
	// Toggle mute state
	musicMuted = !musicMuted;
	storage.musicMuted = musicMuted;
	// Update button appearance
	musicMuteBtn.alpha = musicMuted ? 0.5 : 1;
	musicIconTxt.setText(musicMuted ? "M" : "♪");
	// Handle music playback
	if (musicMuted) {
		LK.stopMusic();
	} else {
		var volumeMultiplier = soundVolume / 100;
		LK.playMusic('menumusic', {
			volume: 0.8 * volumeMultiplier,
			loop: true
		});
	}
	// Click animation
	tween(musicMuteBtn, {
		scaleX: 0.72,
		scaleY: 0.72
	}, {
		duration: 80,
		easing: tween.easeIn,
		onFinish: function onFinish() {
			tween(musicMuteBtn, {
				scaleX: 0.8,
				scaleY: 0.8
			}, {
				duration: 120,
				easing: tween.easeOut
			});
		}
	});
};
// Story intro screen container
var storyContainer = new Container();
storyContainer.visible = false;
game.addChild(storyContainer);
// Add version number to bottom left corner of main menu
var versionTxt = new Text2('v1.01', {
	size: 24,
	fill: 0xffffff
});
versionTxt.scale.set(1.5, 1.5);
versionTxt.anchor.set(0, 1);
versionTxt.x = 50;
versionTxt.y = 2732 - 50;
mainMenuContainer.addChild(versionTxt);
// Add menu to game
game.addChild(mainMenuContainer);
// menus are already added above
// Hide all gameplay UI until game starts
scoreTxt.visible = false;
comboTxt.visible = false;
bpmDisplayTxt.visible = false;
songNameTxt.visible = false;
// missTxt removed, only hearts for lives
// timelineBar and kickTarget are now children of gamescreen, so their visibility is managed by gamescreen
// Patch startGame to show gameplay UI and gamescreen
var _originalStartGame = startGame;
startGame = function startGame(options) {
	scoreTxt.visible = true;
	comboTxt.visible = true;
	bpmDisplayTxt.visible = true;
	songNameTxt.visible = true;
	if (bpmDisplayTxt) {
		var currentPlayingBpm = isTutorial ? 60 : bpm;
		bpmDisplayTxt.setText(currentPlayingBpm + ' BPM');
	}
	gamescreen.visible = true;
	mainMenuContainer.visible = false;
	_originalStartGame(options);
};
// On menu, hide gameplay UI and gamescreen
mainMenuContainer.visible = true;
scoreTxt.visible = false;
comboTxt.visible = false;
bpmDisplayTxt.visible = false;
songNameTxt.visible = false;
gamescreen.visible = false;
// Play menu music when in main menu (only if not muted)
if (!musicMuted) {
	var volumeMultiplier = soundVolume / 100;
	LK.playMusic('menumusic', {
		volume: 0.8 * volumeMultiplier,
		loop: true
	});
}
// Apply current sound volume settings to all sounds
updateAllSoundVolumes();
// Pause button functionality
pauseBtn.down = function (x, y, obj) {
	if (!gameActive || !gamescreen.visible) {
		return;
	}
	// Play button click sound
	LK.getSound('buttonclick').play();
	// Pause the game
	gamePaused = true;
	showPauseMenu();
	// No animation - button scale remains fixed at 1.6
};
// Show pause menu function
function showPauseMenu() {
	pauseContainer.visible = true;
	pauseContainer.removeChildren();
	// Hide BPM and song name in pause menu
	bpmDisplayTxt.visible = false;
	songNameTxt.visible = false;
	// Pause menu background
	var pauseMenuBg = LK.getAsset('pausemenu', {
		anchorX: 0,
		anchorY: 0,
		x: 0,
		y: 0,
		width: 2048,
		height: 2732
	});
	pauseContainer.addChild(pauseMenuBg);
	// Button positions
	var pauseButtonStartY = 1200;
	var pauseButtonHeight = 289;
	var pauseButtonSpacing = 20;
	// Resume button
	var resumeBtn = LK.getAsset('resumebutton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: pauseButtonStartY,
		scaleX: 5,
		scaleY: 5
	});
	pauseContainer.addChild(resumeBtn);
	// Restart button
	var restartBtn = LK.getAsset('restartbutton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: pauseButtonStartY + pauseButtonHeight + pauseButtonSpacing,
		scaleX: 5,
		scaleY: 5
	});
	pauseContainer.addChild(restartBtn);
	// Main menu button
	var pauseMainMenuBtn = LK.getAsset('mainmenu', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: pauseButtonStartY + 2 * (pauseButtonHeight + pauseButtonSpacing),
		scaleX: 5,
		scaleY: 5
	});
	pauseContainer.addChild(pauseMainMenuBtn);
	// Resume button handler
	resumeBtn.down = function (x, y, obj) {
		LK.getSound('buttonclick').play();
		tween(resumeBtn, {
			scaleX: 4.5,
			scaleY: 4.5
		}, {
			duration: 80,
			easing: tween.easeIn,
			onFinish: function onFinish() {
				tween(resumeBtn, {
					scaleX: 5,
					scaleY: 5
				}, {
					duration: 120,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						resumeGame();
					}
				});
			}
		});
	};
	// Restart button handler
	restartBtn.down = function (x, y, obj) {
		LK.getSound('buttonclick').play();
		tween(restartBtn, {
			scaleX: 4.5,
			scaleY: 4.5
		}, {
			duration: 80,
			easing: tween.easeIn,
			onFinish: function onFinish() {
				tween(restartBtn, {
					scaleX: 5,
					scaleY: 5
				}, {
					duration: 120,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						pauseContainer.visible = false;
						gamePaused = false;
						gameActive = false; // Stop game temporarily during restart
						maxCombo = 0;
						perfectCount = 0;
						maxPerfectCombo = 0;
						// Reset lives and hearts before showing ready screen
						lives = MAX_LIVES;
						heartshields = 3; // Reset heartshields
						// Continue from current level - if tutorial not completed, restart tutorial
						if (!tutorialCompleted) {
							currentLevel = 1;
							storage.currentLevel = currentLevel;
						}
						// Remove all existing heart icons
						for (var i = 0; i < heartIcons.length; i++) {
							if (heartIcons[i] && heartIcons[i].parent) {
								heartIcons[i].parent.removeChild(heartIcons[i]);
							}
						}
						// Recreate all heart icons as full heartshields
						heartIcons = [];
						var heartY = scoreTxt.y + 50;
						var heartWidth = 150;
						var totalHeartsWidth = MAX_LIVES * heartWidth + (MAX_LIVES - 1) * heartSpacing;
						var heartStartX = 2048 - 100 - totalHeartsWidth;
						for (var i = 0; i < MAX_LIVES; i++) {
							var heartAsset = LK.getAsset('heartshield', {
								anchorX: 0,
								anchorY: 0,
								x: heartStartX + i * (heartWidth + heartSpacing),
								y: heartY
							});
							gamescreen.addChild(heartAsset);
							heartIcons.push(heartAsset);
						}
						showReadyScreen(function () {
							showCountdown(function () {
								startGame();
							});
						});
					}
				});
			}
		});
	};
	// Pause main menu button handler
	pauseMainMenuBtn.down = function (x, y, obj) {
		LK.getSound('buttonclick').play();
		tween(pauseMainMenuBtn, {
			scaleX: 4.5,
			scaleY: 4.5
		}, {
			duration: 80,
			easing: tween.easeIn,
			onFinish: function onFinish() {
				tween(pauseMainMenuBtn, {
					scaleX: 5,
					scaleY: 5
				}, {
					duration: 120,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						pauseContainer.visible = false;
						gamePaused = false;
						gameActive = false;
						maxCombo = 0;
						perfectCount = 0;
						maxPerfectCombo = 0;
						mainMenuContainer.visible = true;
						scoreTxt.visible = false;
						comboTxt.visible = false;
						bpmDisplayTxt.visible = false;
						songNameTxt.visible = false;
						gamescreen.visible = false;
						// Stop current music and play menu music (only if not muted)
						LK.stopMusic();
						if (!musicMuted) {
							LK.setTimeout(function () {
								var volumeMultiplier = soundVolume / 100;
								LK.playMusic('menumusic', {
									volume: 0.8 * volumeMultiplier,
									loop: true
								});
							}, 100);
						}
					}
				});
			}
		});
	};
}
// Resume game function
function resumeGame() {
	gamePaused = false;
	pauseContainer.visible = false;
	// Show BPM and song name when resuming
	bpmDisplayTxt.visible = true;
	songNameTxt.visible = true;
	lastTickTime = Date.now(); // Reset time to prevent time jump
}
// --- Beat spawning ---
function spawnBeat(beat) {
	var marker = new BeatMarker();
	marker.x = 0;
	marker.y = HIT_ZONE_Y;
	marker.beatTime = beat.time;
	marker.type = beat.type;
	marker.active = true;
	marker.hit = false;
	marker.lastX = marker.x;
	marker.hasReachedHitZone = false;
	// Trail sistemi ekle
	marker.lastTrailTime = Date.now();
	marker.trailInterval = 15;
	marker.assetType = marker.type;
	marker.updateTrail = function () {
		var now = Date.now();
		if (now - this.lastTrailTime > this.trailInterval) {
			var colors = BEAT_COLORS[this.type] || BEAT_COLORS.circle;
			// Beat'in hareket yönünü belirle (sağ tarafta mı?)
			var isRightSide = this.x > HIT_ZONE_X;
			var directionMultiplier = isRightSide ? 1 : -1;
			for (var i = 0; i < 10; i++) {
				// Ana parçacık
				var mainParticle = createTrailParticle(this.x + (Math.random() - 0.5) * 20, this.y + (Math.random() - 0.5) * 20, colors.mainTrail);
				mainParticle.velocityX = (Math.random() * 2 + 1) * directionMultiplier;
				mainParticle.velocityY = (Math.random() - 0.5) * 3;
				// Yan parçacık 1
				var subParticle1 = createTrailParticle(this.x + (Math.random() - 0.5) * 30, this.y + (Math.random() - 0.5) * 30, colors.subTrail1);
				subParticle1.width = 4;
				subParticle1.height = 4;
				subParticle1.velocityX = (Math.random() * 1.5 + 0.5) * directionMultiplier;
				subParticle1.velocityY = (Math.random() - 0.5) * 2;
				// Yan parçacık 2
				var subParticle2 = createTrailParticle(this.x + (Math.random() - 0.5) * 25, this.y + (Math.random() - 0.5) * 25, colors.subTrail2);
				subParticle2.width = 3;
				subParticle2.height = 3;
				subParticle2.velocityX = (Math.random() * 1 + 0.5) * directionMultiplier;
				subParticle2.velocityY = (Math.random() - 0.5) * 1.5;
				// Parçacıkları oyun ekranına ekle
				[mainParticle, subParticle1, subParticle2].forEach(function (p) {
					p.fadeSpeed = 0.03;
					p.gravity = 0.1;
					p.drag = 0.98;
					gamescreen.addChild(p);
					trailParticles.push(p);
				});
			}
			this.lastTrailTime = now;
		}
	};
	// Add glow effect to the beat marker
	addGlowEffect(marker, 0x8a2be2, 0.4);
	beats.push(marker);
	gamescreen.addChild(marker);
}
// --- Game update ---
game.update = function () {
	if (!gameActive || gamePaused) {
		return;
	}
	// Time management
	var now = Date.now();
	var dt = (now - lastTickTime) / 1000;
	lastTickTime = now;
	songTime += dt;
	// Prevent beat spawning until countdown is finished and gameplay is visible
	if (!gamescreen.visible || countdownContainer.visible) {
		return;
	}
	// Only allow beat spawning after countdown is finished
	if (!countdownContainer.visible) {
		// Spawn new beats with constant speed and BPM-based timing
		var currentBeatSpeed = getBeatSpeed(); // Always 400 px/s
		// Calculate travel time from left edge (x=0) to hit zone
		var travelTime = HIT_ZONE_X / currentBeatSpeed; // Time needed to travel from x=0 to hit zone
		// Spawn beats at the right time so they arrive at hit zone exactly when needed
		while (nextBeatIdx < beatPattern.length && beatPattern[nextBeatIdx].time - songTime <= travelTime) {
			spawnBeat(beatPattern[nextBeatIdx]);
			nextBeatIdx++;
		}
	}
	// Tutorial completion check - 5k points for chapter 1
	if (isTutorial && score >= 5000 && !tutorialCompleted) {
		tutorialCompleted = true;
		storage.tutorialCompleted = true;
		currentLevel = 2;
		storage.currentLevel = currentLevel;
		// Show tutorial completion message
		var tutorialCompleteTxt = new Text2('CHAPTER 1 COMPLETE!', {
			size: 72,
			fill: 0x00ff00
		});
		tutorialCompleteTxt.scale.set(2, 2);
		tutorialCompleteTxt.anchor.set(0.5, 0.5);
		tutorialCompleteTxt.x = 2048 / 2;
		tutorialCompleteTxt.y = 1200;
		game.addChild(tutorialCompleteTxt);
		tween(tutorialCompleteTxt, {
			alpha: 0,
			y: tutorialCompleteTxt.y - 100
		}, {
			duration: 2000,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tutorialCompleteTxt.destroy();
			}
		});
	}
	// Check if player reached 5k points - pause game and show black screen (only in story mode)
	if (score >= 5000 && gameActive && gameMode === "story") {
		// Pause the game
		gameActive = false;
		gamePaused = true;
		// Stop current music
		LK.stopMusic();
		// Hide all game UI elements
		scoreTxt.visible = false;
		comboTxt.visible = false;
		bpmDisplayTxt.visible = false;
		songNameTxt.visible = false;
		gamescreen.visible = false;
		// Create ch1panF screen overlay
		var blackScreen = LK.getAsset('ch1panF', {
			anchorX: 0,
			anchorY: 0,
			x: 0,
			y: 0,
			width: 2048,
			height: 2732,
			alpha: 0
		});
		game.addChild(blackScreen);
		// Play 60BPM music when ch1panF appears
		var volumeMultiplier = soundVolume / 100;
		LK.playMusic('60BPMLowKey', {
			volume: 1 * volumeMultiplier,
			loop: true
		});
		// Fade in ch1panF screen
		tween(blackScreen, {
			alpha: 1
		}, {
			duration: 500,
			easing: tween.easeOut
		});
		// Add ch1panFnarbox asset 1 second after ch1panF appears
		LK.setTimeout(function () {
			var ch1panFnarbox = LK.getAsset('ch1panFnarbox', {
				anchorX: 1,
				anchorY: 1,
				x: 2048 - 50,
				y: 2732 - 50,
				alpha: 0
			});
			game.addChild(ch1panFnarbox);
			// Fade in the narbox
			tween(ch1panFnarbox, {
				alpha: 1
			}, {
				duration: 500,
				easing: tween.easeOut
			});
			// Play ch1voice1 and ch1voice2 randomly within 3 seconds after narbox appears
			var voice1Delay = Math.random() * 3000; // Random delay between 0-3 seconds
			var voice2Delay = Math.random() * 3000; // Random delay between 0-3 seconds
			LK.setTimeout(function () {
				LK.getSound('ch1voice1').play();
			}, voice1Delay);
			LK.setTimeout(function () {
				LK.getSound('ch1voice2').play();
			}, voice2Delay);
			// After 3 seconds, fade out music and assets, return to black screen
			LK.setTimeout(function () {
				// Fade out the music
				LK.playMusic('60BPMLowKey', {
					fade: {
						start: 1,
						end: 0,
						duration: 1000
					}
				});
				// Fade out ch1panF asset
				tween(blackScreen, {
					alpha: 0
				}, {
					duration: 1000,
					easing: tween.easeOut
				});
				// Fade out ch1panFnarbox asset
				tween(ch1panFnarbox, {
					alpha: 0
				}, {
					duration: 1000,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						// Remove assets after fadeout
						blackScreen.destroy();
						ch1panFnarbox.destroy();
						// Stop the music completely
						LK.stopMusic();
						// After fadeout, add Chapter 2 assets and sound
						LK.setTimeout(function () {
							// Set background to black
							game.setBackgroundColor(0x000000);
							// Add Chapter 2 asset with fade in effect
							var chapter2Asset = LK.getAsset('Chapter2', {
								anchorX: 0.5,
								anchorY: 0.5,
								x: 2048 / 2,
								y: 2732 / 2 - 100,
								alpha: 0,
								scaleX: 0.4,
								scaleY: 0.4
							});
							game.addChild(chapter2Asset);
							// Add nightshift asset with fade in effect
							var nightshiftAsset = LK.getAsset('nightshift', {
								anchorX: 0.5,
								anchorY: 0.5,
								x: 2048 / 2,
								y: 2732 / 2 + 80,
								// 20px yukarı çıkarıldı
								alpha: 0,
								scaleX: 0.25,
								scaleY: 0.25
							});
							game.addChild(nightshiftAsset);
							// Fade in chapter2 asset
							tween(chapter2Asset, {
								alpha: 1
							}, {
								duration: 2000,
								easing: tween.easeOut
							});
							// Fade in nightshift asset
							tween(nightshiftAsset, {
								alpha: 1
							}, {
								duration: 2000,
								delay: 500,
								easing: tween.easeOut
							});
							// Play nightshift sound when assets appear
							var nightshiftSound = LK.getSound('nightshift');
							nightshiftSound.play();
							// Get nightshift sound duration from asset definition (start:0, end:1, so use full duration)
							var nightshiftSoundAsset = LK.getSound('nightshift');
							var nightshiftDuration = 0;
							// Defensive: try to get duration from sound asset, fallback to 3000ms if not available
							if (nightshiftSoundAsset && nightshiftSoundAsset.duration) {
								nightshiftDuration = nightshiftSoundAsset.duration * 1000;
							} else {
								nightshiftDuration = 3000;
							}
							// Remove chapter2 and nightshift assets when sound finishes
							LK.setTimeout(function () {
								// Remove chapter2 asset
								if (chapter2Asset && chapter2Asset.parent) {
									chapter2Asset.parent.removeChild(chapter2Asset);
									chapter2Asset.destroy();
								}
								// Remove nightshift asset
								if (nightshiftAsset && nightshiftAsset.parent) {
									nightshiftAsset.parent.removeChild(nightshiftAsset);
									nightshiftAsset.destroy();
								}
								// Play chapter2music after assets are removed
								var volumeMultiplier = soundVolume / 100;
								LK.playMusic('chapter2music', {
									volume: 0.3 * volumeMultiplier,
									loop: true
								});
								// Add ch2pan1-5 assets when chapter2music starts, but only show ch2pan1 at first, and require tap to advance each panel
								var ch2panAssets = [];
								var ch2PanNames = ['ch2pan1', 'ch2pan2', 'ch2pan3', 'ch2pan4', 'ch2pan5'];
								var ch2CurrentPanel = 0;
								var ch2PanelActive = false;
								var ch2PanelContainer = new Container();
								game.addChild(ch2PanelContainer);
								// Helper to show a panel by index
								function showCh2Panel(panelIdx) {
									// Show each panel (ch2pan1 through ch2pan5) before starting chapter 2
									if (panelIdx < ch2PanNames.length) {
										// Create and show the current panel with sliding animation
										var slideFromRight = Math.random() < 0.5; // Randomly choose slide direction
										var startX = slideFromRight ? 2048 + 400 : -400; // Start from off-screen
										var panelAsset = LK.getAsset(ch2PanNames[panelIdx], {
											anchorX: 0.5,
											anchorY: 0.5,
											x: startX,
											y: 2732 / 2,
											alpha: 0,
											scaleX: 0.85,
											scaleY: 0.85,
											rotation: (Math.random() < 0.5 ? -1 : 1) * (Math.random() * 5 + 2) * Math.PI / 180
										});
										ch2PanelContainer.addChild(panelAsset);
										ch2panAssets.push(panelAsset);
										// Play paperswosh sound when panel appears
										LK.getSound('paperswosh').play();
										// Fade in and slide the panel to center
										tween(panelAsset, {
											alpha: 1,
											x: 2048 / 2 // Slide to center
										}, {
											duration: 1000,
											easing: tween.easeOut
										});
										ch2PanelActive = true;
										return;
									}
									// Only start chapter 2 after all panels have been shown
									if (panelIdx >= ch2PanNames.length) {
										var startChapter2 = function startChapter2() {
											// Set chapter 2 state
											isTutorial = false;
											bpm = 90;
											beatInterval = 60 / bpm;
											beatPattern = generateBeatPattern(bpm);
											nextBeatIdx = 0;
											songTime = 0;
											lastTickTime = Date.now();
											score = 0;
											misses = 0;
											ignoredMisses = 0;
											combo = 0;
											perfectCombo = 0;
											lives = MAX_LIVES;
											heartshields = 3;
											lastBpmUpgradeScore = 0;
											// Set UI for gameplay
											scoreTxt.setText('0');
											comboTxt.setText('');
											bpmDisplayTxt.setText('90 BPM');
											if (songNameTxt) {
												songNameTxt.setText('DigitalPulse');
											}
											// Show gameplay UI
											scoreTxt.visible = true;
											comboTxt.visible = true;
											bpmDisplayTxt.visible = true;
											songNameTxt.visible = true;
											gamescreen.visible = true;
											mainMenuContainer.visible = false;
											// Play 90BPM music
											var volumeMultiplier = soundVolume / 100;
											LK.playMusic('90BPMDigitalPulse', {
												volume: 1 * volumeMultiplier,
												loop: true
											});
											// Start countdown, then start game
											showCountdown(function () {
												// Patch win condition for chapter 2: 10K points
												// --- CHAPTER 2 GAMEPLAY: 90BPM, beats move at 90BPM, win at 10K points ---
												game.update = function () {
													if (!gameActive || gamePaused) {
														return;
													}
													// Time management
													var now = Date.now();
													var dt = (now - lastTickTime) / 1000;
													lastTickTime = now;
													songTime += dt;
													// Prevent beat spawning until countdown is finished and gameplay is visible
													if (!gamescreen.visible || countdownContainer.visible) {
														return;
													}
													// Only allow beat spawning after countdown is finished
													if (!countdownContainer.visible) {
														// --- 90BPM: spawn beats at 90BPM ---
														var currentBeatSpeed = getBeatSpeed(); // Always 400 px/s
														var travelTime = HIT_ZONE_X / currentBeatSpeed;
														// Spawn beats at the right time so they arrive at hit zone exactly when needed
														while (nextBeatIdx < beatPattern.length && beatPattern[nextBeatIdx].time - songTime <= travelTime) {
															spawnBeat(beatPattern[nextBeatIdx]);
															nextBeatIdx++;
														}
													}
													// CH2: 10K puan - show blackscreen
													if (score >= 10000 && gameActive) {
														gameActive = false;
														gamePaused = true;
														// Stop current music
														LK.stopMusic();
														// Hide all game UI elements
														scoreTxt.visible = false;
														comboTxt.visible = false;
														bpmDisplayTxt.visible = false;
														songNameTxt.visible = false;
														gamescreen.visible = false;
														// Create black screen overlay
														var blackScreen = LK.getAsset('ch2panF', {
															anchorX: 0,
															anchorY: 0,
															x: 0,
															y: 0,
															width: 2048,
															height: 2732,
															alpha: 0,
															tint: 0x000000 // Make it black
														});
														game.addChild(blackScreen);
														// Add devamiicin asset on black screen
														var blackScreenAsset = LK.getAsset('devamiicin', {
															anchorX: 0.5,
															anchorY: 0.5,
															x: 2048 / 2,
															y: 2732 / 2,
															alpha: 0,
															scaleX: 0.5,
															scaleY: 0.5
														});
														game.addChild(blackScreenAsset);
														// Add pause button to devamiicin screen
														var devamiicınPauseBtn = LK.getAsset('pause', {
															anchorX: 1,
															anchorY: 0,
															x: 2048 - 50,
															y: 220,
															scaleX: 1.6,
															scaleY: 1.6,
															alpha: 0
														});
														game.addChild(devamiicınPauseBtn);
														// Fade in pause button with devamiicin asset
														tween(devamiicınPauseBtn, {
															alpha: 1
														}, {
															duration: 1000,
															delay: 500,
															easing: tween.easeOut
														});
														// Pause button click handler for devamiicin screen
														devamiicınPauseBtn.down = function (x, y, obj) {
															// Play button click sound
															LK.getSound('buttonclick').play();
															// Show pause menu
															gamePaused = true;
															showPauseMenu();
														};
														// Fade in black screen
														tween(blackScreen, {
															alpha: 1
														}, {
															duration: 500,
															easing: tween.easeOut
														});
														// Fade in devamiicin asset after black screen appears
														tween(blackScreenAsset, {
															alpha: 1
														}, {
															duration: 1000,
															delay: 500,
															easing: tween.easeOut
														});
														// Add tap-to-return functionality after 3 seconds
														var devamiicınTapEnabled = false;
														LK.setTimeout(function () {
															devamiicınTapEnabled = true;
														}, 3000);
														// Touch handler for devamiicin screen
														blackScreen.down = function (x, y, obj) {
															if (devamiicınTapEnabled) {
																// Play button click sound
																LK.getSound('buttonclick').play();
																// Return to main menu
																LK.stopMusic();
																gameActive = false;
																gamePaused = false;
																// Clean up devamiicin screen elements
																if (blackScreen && blackScreen.parent) {
																	blackScreen.parent.removeChild(blackScreen);
																	blackScreen.destroy();
																}
																if (blackScreenAsset && blackScreenAsset.parent) {
																	blackScreenAsset.parent.removeChild(blackScreenAsset);
																	blackScreenAsset.destroy();
																}
																if (devamiicınPauseBtn && devamiicınPauseBtn.parent) {
																	devamiicınPauseBtn.parent.removeChild(devamiicınPauseBtn);
																	devamiicınPauseBtn.destroy();
																}
																// Show main menu
																mainMenuContainer.visible = true;
																scoreTxt.visible = false;
																comboTxt.visible = false;
																bpmDisplayTxt.visible = false;
																songNameTxt.visible = false;
																gamescreen.visible = false;
																// Play menu music (only if not muted)
																if (!musicMuted) {
																	LK.setTimeout(function () {
																		var volumeMultiplier = soundVolume / 100;
																		LK.playMusic('menumusic', {
																			volume: 0.8 * volumeMultiplier,
																			loop: true
																		});
																	}, 100);
																}
															}
														};
														return;
													}
													// Move beats and check for misses (copy from original game.update)
													for (var i = beats.length - 1; i >= 0; i--) {
														var beat = beats[i];
														var currentBeatSpeed = getBeatSpeed();
														var elapsedTime = songTime - (beat.beatTime - HIT_ZONE_X / currentBeatSpeed);
														beat.x = elapsedTime * currentBeatSpeed;
														// Dalga boyunu daha belirgin yapmak için waveLength'i küçült
														var waveLength = 80;
														var phase = -HIT_ZONE_X / waveLength;
														beat.y = HIT_ZONE_Y + Math.sin(beat.x / waveLength + phase) * 500;
														if (beat.x < -400) {
															beat.x = -400;
														}
														if (beat.x > TIMELINE_X + TIMELINE_WIDTH + 400) {
															beat.x = TIMELINE_X + TIMELINE_WIDTH + 400;
														}
														if (kickTarget && kickTarget.parent) {
															var kickTargetIndex = kickTarget.parent.getChildIndex(kickTarget);
															var beatIndex = beat.parent.getChildIndex(beat);
															if (beatIndex > kickTargetIndex) {
																beat.parent.setChildIndex(beat, kickTargetIndex);
															}
														}
														if (typeof beat.lastX === "undefined") {
															beat.lastX = beat.x;
														}
														// Only check for miss if the beat has passed the hit zone (not before)
														// Also, do not count as miss if the beat has not yet reached the hit zone at least once
														if (!beat.hit && beat.active && typeof beat.hasReachedHitZone !== "undefined" && beat.hasReachedHitZone && beat.lastX <= HIT_ZONE_X + HIT_WINDOW && beat.x > HIT_ZONE_X + HIT_WINDOW) {
															// Missed
															beat.active = false;
															misses++;
															// Replace the beat marker asset with missCircle for missed beats
															var missedAsset = LK.getAsset('missCircle', {
																anchorX: 0.5,
																anchorY: 0.5,
																x: beat.x,
																y: beat.y,
																alpha: 0.8,
																width: 60,
																height: 59.77
															});
															// Replace the beat's current asset with missCircle
															if (beat.parent) {
																// Store parent reference before removing beat
																var beatParent = beat.parent;
																// Remove the old beat marker from its parent
																beatParent.removeChild(beat);
																// Add the missed asset to the stored parent reference
																beatParent.addChild(missedAsset);
																// Update the beat reference to point to the new asset
																beats[i] = missedAsset;
																// Copy over important properties
																missedAsset.beatTime = beat.beatTime;
																missedAsset.type = beat.type;
																missedAsset.active = false;
																missedAsset.hit = false;
																missedAsset.lastX = beat.x;
																missedAsset.hasReachedHitZone = true;
																missedAsset.isMissed = true;
																// Destroy the original beat asset
																beat.destroy();
															}
															// Handle heartshield system
															if (heartshields > 0) {
																// Convert leftmost heartshield to heart (heartshields are lost left to right)
																var shieldIndex = 3 - heartshields;
																if (heartIcons[shieldIndex]) {
																	var parent = heartIcons[shieldIndex].parent;
																	if (parent) {
																		parent.removeChild(heartIcons[shieldIndex]);
																	}
																	heartIcons[shieldIndex] = LK.getAsset('heart', {
																		anchorX: 0,
																		anchorY: 0,
																		x: heartStartX + shieldIndex * (heartWidth + heartSpacing),
																		y: heartY
																	});
																	gamescreen.addChild(heartIcons[shieldIndex]);
																}
																heartshields--; // Lose one heartshield
																// No miss feedback, sound, or other penalties for heartshield hits
															} else {
																// All heartshields are gone, now show miss effects and lose hearts
																beat.showFeedback('miss');
																combo = 0;
																perfectCombo = 0;
																comboTxt.setText('');
																LK.effects.flashObject(kickTarget, 0xff0000, 200);
																LK.getSound('miss').play();
																// Show MISS feedback text at hit zone
																var missText = new Text2('MISS', {
																	size: 60,
																	fill: 0xff0000
																});
																missText.scale.set(2, 2);
																missText.anchor.set(0.5, 0.5);
																missText.x = HIT_ZONE_X;
																missText.y = HIT_ZONE_Y - 180;
																game.addChild(missText);
																tween(missText, {
																	alpha: 0,
																	y: missText.y - 100
																}, {
																	duration: 600,
																	easing: tween.easeOut,
																	onFinish: function onFinish() {
																		missText.destroy();
																	}
																});
																// Lose a heart and update heart icon (hearts are lost left to right)
																if (lives > 0) {
																	var lostIndex = MAX_LIVES - lives;
																	if (heartIcons[lostIndex]) {
																		var parent = heartIcons[lostIndex].parent;
																		if (parent) {
																			parent.removeChild(heartIcons[lostIndex]);
																		}
																		heartIcons[lostIndex] = LK.getAsset('lostheart', {
																			anchorX: 0,
																			anchorY: 0,
																			x: heartStartX + lostIndex * (heartWidth + heartSpacing),
																			y: heartY
																		});
																		gamescreen.addChild(heartIcons[lostIndex]);
																	}
																	lives--;
																}
																if (lives <= 0) {
																	gameOver();
																}
															}
														}
														// Track if beat has reached the hit zone at least once
														if (typeof beat.hasReachedHitZone === "undefined") {
															beat.hasReachedHitZone = false;
														}
														if (!beat.hasReachedHitZone && beat.x >= HIT_ZONE_X - HIT_WINDOW) {
															beat.hasReachedHitZone = true;
														}
														// Remove if off screen
														if (beat.x > TIMELINE_X + TIMELINE_WIDTH + 100) {
															beat.destroy();
															beats.splice(i, 1);
														}
														// Update lastX for next frame
														beat.lastX = beat.x;
													}
												};
												// Start game state
												gameActive = true;
												gamePaused = false;
												// Defensive: clear beats array
												for (var i = 0; i < beats.length; i++) {
													beats[i].destroy();
												}
												beats = [];
												// Remove any beat at the kick target
												for (var i = beats.length - 1; i >= 0; i--) {
													if (typeof beats[i].x !== "undefined" && Math.abs(beats[i].x - HIT_ZONE_X) < 2 || typeof beats[i].x !== "undefined" && beats[i].x >= HIT_ZONE_X - HIT_WINDOW) {
														beats[i].destroy();
														beats.splice(i, 1);
													}
												}
												// Reset hearts
												for (var i = 0; i < heartIcons.length; i++) {
													if (heartIcons[i] && heartIcons[i].parent) {
														heartIcons[i].parent.removeChild(heartIcons[i]);
													}
												}
												heartIcons = [];
												heartshields = MAX_LIVES;
												lives = MAX_LIVES;
												for (var i = 0; i < MAX_LIVES; i++) {
													var heartAsset = LK.getAsset('heartshield', {
														anchorX: 0,
														anchorY: 0,
														x: heartStartX + i * (heartWidth + heartSpacing),
														y: heartY
													});
													gamescreen.addChild(heartAsset);
													heartIcons.push(heartAsset);
												}
												// Set timeout to remove heartshields after 3 seconds in chapter 2
												tween({}, {}, {
													duration: 3000,
													onFinish: function onFinish() {
														if (gameActive && heartshields > 0) {
															heartshields = 0;
															updateHeartsUI(lives, heartshields);
														}
													}
												});
											});
										}; // Remove tap handler
										// Remove all ch2pan panels and container
										for (var i = 0; i < ch2panAssets.length; i++) {
											if (ch2panAssets[i] && ch2panAssets[i].parent) {
												ch2panAssets[i].parent.removeChild(ch2panAssets[i]);
												ch2panAssets[i].destroy();
											}
										}
										if (ch2PanelContainer && ch2PanelContainer.parent) {
											ch2PanelContainer.parent.removeChild(ch2PanelContainer);
										}
										// Show "Get ready to feel the beat." message before starting chapter 2
										var readyMessage = new Text2('Get ready to feel the beat.', {
											size: 60,
											fill: 0xffffff
										});
										readyMessage.scale.set(2, 2);
										readyMessage.anchor.set(0.5, 0.5);
										readyMessage.x = 2048 / 2;
										readyMessage.y = 2732 / 2;
										readyMessage.alpha = 0;
										game.addChild(readyMessage);
										// Fade in the message
										tween(readyMessage, {
											alpha: 1
										}, {
											duration: 1000,
											easing: tween.easeOut,
											onFinish: function onFinish() {
												// Hold for 2 seconds then fade out
												tween(readyMessage, {
													alpha: 0
												}, {
													duration: 1000,
													delay: 2000,
													easing: tween.easeOut,
													onFinish: function onFinish() {
														readyMessage.destroy();
														// Start chapter 2 after message disappears
														startChapter2();
													}
												});
											}
										});
										game.down = originalGameDown;
										ch2PanelActive = false;
										return;
									}
									// If not first panel, do nothing (skip all ch2pan panels)
									ch2PanelActive = false;
								}
								// Save original game.down so we can restore it after panels
								var originalGameDown = game.down;
								// Start with ch2pan1
								ch2CurrentPanel = 0;
								showCh2Panel(ch2CurrentPanel);
								// Override game.down to advance panels on tap anywhere
								game.down = function (x, y, obj) {
									if (!ch2PanelActive) {
										if (typeof originalGameDown === "function") {
											originalGameDown(x, y, obj);
										}
										return;
									}
									// If we've shown all panels, start chapter 2
									if (ch2CurrentPanel >= ch2PanNames.length - 1) {
										ch2PanelActive = false;
										// Fade out all panels simultaneously
										var fadeCount = ch2panAssets.length;
										var faded = 0;
										for (var i = 0; i < ch2panAssets.length; i++) {
											if (ch2panAssets[i] && ch2panAssets[i].parent) {
												tween(ch2panAssets[i], {
													alpha: 0
												}, {
													duration: 400,
													easing: tween.easeOut,
													onFinish: function () {
														if (this.parent) {
															this.parent.removeChild(this);
														}
														this.destroy();
														faded++;
														// After all panels faded, start chapter 2
														if (faded === fadeCount) {
															if (ch2PanelContainer && ch2PanelContainer.parent) {
																ch2PanelContainer.parent.removeChild(ch2PanelContainer);
															}
															// Start chapter 2 with showCh2Panel function that handles the actual chapter 2 logic
															showCh2Panel(ch2PanNames.length); // This will trigger chapter 2 start
														}
													}.bind(ch2panAssets[i])
												});
											}
										}
										return;
									}
									// Advance to next panel
									ch2CurrentPanel++;
									showCh2Panel(ch2CurrentPanel);
								};
							}, nightshiftDuration);
						}, 1000);
					}
				});
			}, 3000);
		}, 1000);
	}
	// Check for BPM progression every 10,000 points (only for non-tutorial)
	if (!isTutorial && score >= 10000 && score - lastBpmUpgradeScore >= 10000) {
		if (bpm < 120) {
			// Don't increase BPM beyond 120
			lastBpmUpgradeScore = score;
			var oldBpm = bpm;
			bpm = Math.min(120, bpm + 5); // Increase by 5 BPM, cap at 120
			if (bpm !== oldBpm) {
				// Update BPM display to show current playing song BPM
				if (bpmDisplayTxt) {
					// Show the actual BPM of the currently playing song, not the settings BPM
					var currentPlayingBpm = bpm; // This is the actual BPM being used for gameplay
					bpmDisplayTxt.setText(currentPlayingBpm + ' BPM');
				}
				// Update beat interval for new beats
				beatInterval = 60 / bpm;
				// Get new music ID
				var newMusicId = '100BPMSynthWave'; // Default fallback
				if (bpm === 40) {
					newMusicId = '40BPMDeepVibes';
				} else if (bpm === 45) {
					newMusicId = '45BPMChillWave';
				} else if (bpm === 50) {
					newMusicId = '50BPMSlowMotion';
				} else if (bpm === 55) {
					newMusicId = '55BPMDreamscape';
				} else if (bpm === 60) {
					newMusicId = '60BPMLowKey';
				} else if (bpm === 65) {
					newMusicId = '65BPMRelaxed';
				} else if (bpm === 70) {
					newMusicId = '70BPMCalmVibes';
				} else if (bpm === 75) {
					newMusicId = '75BPMElectricDreams';
				} else if (bpm === 80) {
					newMusicId = '80BPMNeonNights';
				} else if (bpm === 85) {
					newMusicId = '85BPMCyberFlow';
				} else if (bpm === 90) {
					newMusicId = '90BPMDigitalPulse';
				} else if (bpm === 95) {
					newMusicId = '95BPMFutureBass';
				} else if (bpm === 100) {
					newMusicId = '100BPMSynthWave';
				} else if (bpm === 105) {
					newMusicId = '105BPMHyperDrive';
				} else if (bpm === 110) {
					newMusicId = '110BPMTechnoRush';
				} else if (bpm === 115) {
					newMusicId = '115BPMHighEnergy';
				} else if (bpm === 120) {
					newMusicId = '120BPMMaximum';
				}
				// Fade out current music and fade in new music
				var volumeMultiplier = soundVolume / 100;
				LK.stopMusic();
				LK.playMusic(newMusicId, {
					volume: 0,
					loop: true,
					fade: {
						start: 0,
						end: 1 * volumeMultiplier,
						duration: 1000
					}
				});
				// Play scratch sound when BPM changes
				LK.getSound('scratch').play();
				// Update song name display
				if (songNameTxt) {
					var songName = newMusicId.replace(/^\d+BPM/, '');
					songNameTxt.setText(songName);
				}
				// --- BPM değiştiğinde waveform'u güncelle ---
				drawWaveformLK();
				updateDebugText();
			}
		}
	}
	// Move beats and check for misses
	for (var i = beats.length - 1; i >= 0; i--) {
		var beat = beats[i];
		// Move beats at constant speed from left to right
		var currentBeatSpeed = getBeatSpeed(); // Always 400 px/s
		// Calculate elapsed time since beat was spawned
		var elapsedTime = songTime - (beat.beatTime - HIT_ZONE_X / currentBeatSpeed);
		// Move beat from left edge at constant speed
		beat.x = elapsedTime * currentBeatSpeed;
		// --- YENİ: Beat yörüngesi waveform ile senkron olsun ---
		var params = getWaveParams(bpm);
		var waveLength = params.waveLength;
		var waveAmplitude = params.waveAmplitude;
		var phase = -HIT_ZONE_X / waveLength;
		beat.y = HIT_ZONE_Y + Math.sin(beat.x / waveLength + phase) * waveAmplitude;
		// ... existing code ...
		// Ensure beat stays within reasonable bounds
		if (beat.x < -400) {
			beat.x = -400;
		}
		if (beat.x > TIMELINE_X + TIMELINE_WIDTH + 400) {
			beat.x = TIMELINE_X + TIMELINE_WIDTH + 400;
		}
		// Ensure beatMarker always passes below kickTarget
		if (kickTarget && kickTarget.parent) {
			var kickTargetIndex = kickTarget.parent.getChildIndex(kickTarget);
			var beatIndex = beat.parent.getChildIndex(beat);
			if (beatIndex > kickTargetIndex) {
				beat.parent.setChildIndex(beat, kickTargetIndex);
			}
		}
		// Track lastX for miss detection
		if (typeof beat.lastX === "undefined") {
			beat.lastX = beat.x;
		}
		// Only check for miss if the beat has passed the hit zone (not before)
		// Also, do not count as miss if the beat has not yet reached the hit zone at least once
		if (!beat.hit && beat.active && typeof beat.hasReachedHitZone !== "undefined" && beat.hasReachedHitZone && beat.lastX <= HIT_ZONE_X + HIT_WINDOW && beat.x > HIT_ZONE_X + HIT_WINDOW) {
			// Missed
			beat.active = false;
			misses++;
			// Replace the beat marker asset with missCircle for missed beats
			var missedAsset = LK.getAsset('missCircle', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: beat.x,
				// Start from current beat position
				y: beat.y,
				alpha: 0.8,
				width: 60,
				height: 59.77
			});
			// Replace the beat's current asset with missCircle
			if (beat.parent) {
				// Store parent reference before removing beat
				var beatParent = beat.parent;
				// Remove the old beat marker from its parent
				beatParent.removeChild(beat);
				// Add the missed asset to the stored parent reference
				beatParent.addChild(missedAsset);
				// Update the beat reference to point to the new asset
				beats[i] = missedAsset;
				// Copy over important properties
				missedAsset.beatTime = beat.beatTime;
				missedAsset.type = beat.type;
				missedAsset.active = false;
				missedAsset.hit = false;
				missedAsset.lastX = beat.x; // Use current position
				missedAsset.hasReachedHitZone = true;
				missedAsset.isMissed = true; // Mark as missed for special handling
				// Add empty updateTrail method to prevent errors
				missedAsset.updateTrail = function () {};
				// Destroy the original beat asset
				beat.destroy();
			}
			// Handle heartshield system
			if (heartshields > 0) {
				// Convert leftmost heartshield to heart (heartshields are lost left to right)
				var shieldIndex = 3 - heartshields; // Get the leftmost heartshield index
				if (heartIcons[shieldIndex]) {
					var parent = heartIcons[shieldIndex].parent;
					if (parent) {
						parent.removeChild(heartIcons[shieldIndex]);
					}
					heartIcons[shieldIndex] = LK.getAsset('heart', {
						anchorX: 0,
						anchorY: 0,
						x: heartStartX + shieldIndex * (heartWidth + heartSpacing),
						y: heartY
					});
					gamescreen.addChild(heartIcons[shieldIndex]);
				}
				heartshields--; // Lose one heartshield
				// No miss feedback, sound, or other penalties for heartshield hits
			} else {
				// All heartshields are gone, now show miss effects and lose hearts
				beat.showFeedback('miss');
				combo = 0;
				perfectCombo = 0; // Reset perfect combo on miss
				// missTxt removed, only hearts for lives
				comboTxt.setText('');
				LK.effects.flashObject(kickTarget, 0xff0000, 200);
				// Play miss sound
				LK.getSound('miss').play();
				// Show MISS feedback text at hit zone
				var missText = new Text2('MISS', {
					size: 60,
					fill: 0xff0000
				});
				missText.scale.set(2, 2);
				missText.anchor.set(0.5, 0.5);
				missText.x = HIT_ZONE_X;
				missText.y = HIT_ZONE_Y - 180;
				game.addChild(missText);
				tween(missText, {
					alpha: 0,
					y: missText.y - 100
				}, {
					duration: 600,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						missText.destroy();
					}
				});
				// Lose a heart and update heart icon (hearts are lost left to right)
				if (lives > 0) {
					var lostIndex = MAX_LIVES - lives; // soldan sağa kaybetmek için
					if (heartIcons[lostIndex]) {
						var parent = heartIcons[lostIndex].parent;
						if (parent) {
							parent.removeChild(heartIcons[lostIndex]);
						}
						heartIcons[lostIndex] = LK.getAsset('lostheart', {
							anchorX: 0,
							anchorY: 0,
							x: heartStartX + lostIndex * (heartWidth + heartSpacing),
							y: heartY
						});
						gamescreen.addChild(heartIcons[lostIndex]);
					}
					lives--;
				}
				if (lives <= 0) {
					gameOver();
				}
			}
		}
		// Track if beat has reached the hit zone at least once
		if (typeof beat.hasReachedHitZone === "undefined") {
			beat.hasReachedHitZone = false;
		}
		if (!beat.hasReachedHitZone && beat.x >= HIT_ZONE_X - HIT_WINDOW) {
			beat.hasReachedHitZone = true;
		}
		// Remove if off screen
		if (beat.x > TIMELINE_X + TIMELINE_WIDTH + 100) {
			beat.destroy();
			beats.splice(i, 1);
		}
		// Update lastX for next frame
		beat.lastX = beat.x;
	}
};
// --- Input handling ---
var isTouching = false;
game.down = function (x, y, obj) {
	if (!gameActive || gamePaused) {
		return;
	}
	// Don't register hits during ready screen
	if (readyContainer.visible) {
		return;
	}
	// Don't register hits when gamescreen is not visible (e.g., in main menu)
	if (!gamescreen.visible) {
		return;
	}
	// Only register if touch is in hit zone
	var dx = x - HIT_ZONE_X;
	var dy = y - HIT_ZONE_Y;
	var dist = Math.sqrt(dx * dx + dy * dy);
	if (dist < 120) {
		isTouching = true;
		// Animate kick target
		kickTarget.destroy();
		kickTarget = LK.getAsset('kickActive', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: HIT_ZONE_X,
			y: HIT_ZONE_Y
		});
		gamescreen.addChild(kickTarget);
		// Check for beat hit
		var hit = false;
		for (var i = 0; i < beats.length; i++) {
			var beat = beats[i];
			if (beat.active && !beat.hit && Math.abs(beat.x - HIT_ZONE_X) < HIT_WINDOW) {
				// Calculate timing accuracy
				var distFromCenter = Math.abs(beat.x - HIT_ZONE_X);
				var feedbackType = '';
				var feedbackText = '';
				var feedbackColor = 0xffffff;
				var scoreAdd = 0;
				if (distFromCenter < 20) {
					feedbackType = 'perfect';
					feedbackText = 'PERFECT!';
					feedbackColor = 0xffe600;
					scoreAdd = 200;
					perfectCount++; // Increment perfect count
					perfectCombo++; // Increment consecutive perfect hits
					if (perfectCombo > maxPerfectCombo) {
						maxPerfectCombo = perfectCombo; // Track maximum consecutive perfect hits
					}
					// Intense screen shake for perfect hits, increasing with combo
					var perfectShakeIntensity = Math.min(15, 5 + perfectCombo * 0.5); // Max intensity of 15
					var perfectShakeDuration = Math.min(400, 200 + perfectCombo * 10); // Max duration of 400ms
					shakeScreen(perfectShakeIntensity, perfectShakeDuration);
					// Perfect vuruş için parlak mor flash
					var flashAlpha = Math.min(0.4, 0.2 + perfectCombo * 0.01); // Combo arttıkça daha belirgin
					flashScreen(0x8a2be2, flashAlpha, perfectShakeDuration);
				} else if (distFromCenter < 40) {
					feedbackType = 'awesome';
					feedbackText = 'AWESOME!';
					feedbackColor = 0x00e6ff;
					scoreAdd = 150;
					perfectCombo = 0; // Reset perfect combo for non-perfect hit
					shakeScreen(4, 200); // Mild shake for awesome hits
					flashScreen(0x00e6ff, 0.15, 100); // Mavi flash efekti
				} else if (distFromCenter < 70) {
					feedbackType = 'good';
					feedbackText = 'GOOD';
					feedbackColor = 0x00ff00;
					scoreAdd = 100;
					perfectCombo = 0; // Reset perfect combo for non-perfect hit
					shakeScreen(3, 160); // Very mild shake for good hits
					flashScreen(0x00ff00, 0.1, 80); // Yeşil flash efekti
				} else {
					feedbackType = 'ok';
					feedbackText = 'OK';
					feedbackColor = 0xcccccc;
					scoreAdd = 50;
					perfectCombo = 0; // Reset perfect combo for non-perfect hit
					shakeScreen(2, 120); // Minimal shake for ok hits
					flashScreen(0xcccccc, 0.05, 60); // Hafif gri flash efekti
				}
				beat.hit = true;
				beat.active = false;
				hit = true;
				score += scoreAdd;
				combo += 1;
				// Trail renklerini güncelle
				updateBeatTrailOnHit(beat, feedbackType);
				if (combo > maxCombo) {
					maxCombo = combo; // Track maximum combo achieved
				}
				LK.setScore(score);
				scoreTxt.setText(score);
				comboTxt.setText('Combo: ' + combo);
				// Show feedback text at hit zone
				var feedbackTxt = new Text2(feedbackText, {
					size: 60,
					fill: feedbackColor
				});
				feedbackTxt.scale.set(2, 2);
				feedbackTxt.anchor.set(0.5, 0.5);
				feedbackTxt.x = HIT_ZONE_X;
				feedbackTxt.y = HIT_ZONE_Y - 180;
				game.addChild(feedbackTxt);
				// Show combo multiplier for perfect hits
				if (feedbackType === 'perfect' && perfectCombo > 1) {
					var comboMultiplierTxt = new Text2('x' + perfectCombo, {
						size: 21,
						fill: 0xff8c00
					});
					comboMultiplierTxt.scale.set(4, 4);
					comboMultiplierTxt.anchor.set(0, 0.5);
					comboMultiplierTxt.x = HIT_ZONE_X + 195;
					comboMultiplierTxt.y = HIT_ZONE_Y - 220;
					game.addChild(comboMultiplierTxt);
					tween(comboMultiplierTxt, {
						alpha: 0,
						y: comboMultiplierTxt.y - 100
					}, {
						duration: 600,
						easing: tween.easeOut,
						onFinish: function onFinish() {
							comboMultiplierTxt.destroy();
						}
					});
				}
				tween(feedbackTxt, {
					alpha: 0,
					y: feedbackTxt.y - 100
				}, {
					duration: 600,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						feedbackTxt.destroy();
					}
				});
				beat.showFeedback('good');
				// Play sounds based on selection - all selected sounds
				if (selectedKickSound !== '') {
					LK.getSound(selectedKickSound).play();
				}
				if (selectedHihatSound !== '') {
					LK.getSound(selectedHihatSound).play();
				}
				if (selectedSnareClapSound !== '') {
					LK.getSound(selectedSnareClapSound).play();
				}
				if (selectedPercussionSound !== '') {
					LK.getSound(selectedPercussionSound).play();
				}
				LK.effects.flashObject(kickTarget, feedbackColor, 200);
				// Replace the beat's current asset based on timing quality while maintaining position and movement
				var newAssetId;
				var tintColor = 0xffffff;
				if (feedbackType === 'perfect') {
					// Perfect hits: perfectcircle asset
					newAssetId = 'perfectcircle';
					tintColor = 0xffffff;
				} else if (feedbackType === 'awesome' || feedbackType === 'good' || feedbackType === 'ok') {
					// Good/awesome/ok hits: green kickActive
					newAssetId = 'kickActive';
					tintColor = 0x00ff00;
				}
				// Replace the beat's visual asset while maintaining its position and movement
				if (beat.parent) {
					// Store parent and current position
					var beatParent = beat.parent;
					var currentX = beat.x;
					var currentY = beat.y;
					// Remove the old beat marker from its parent
					beatParent.removeChild(beat);
					// Create new asset with current position
					var newBeatAsset = LK.getAsset(newAssetId, {
						anchorX: 0.5,
						anchorY: 0.5,
						x: currentX,
						y: currentY,
						tint: tintColor,
						width: 60,
						height: 59.77
					});
					// Add the new asset to the stored parent reference
					beatParent.addChild(newBeatAsset);
					// Update the beat reference to point to the new asset
					beats[i] = newBeatAsset;
					// Copy over important properties
					newBeatAsset.beatTime = beat.beatTime;
					newBeatAsset.type = beat.type;
					newBeatAsset.active = false; // Mark as inactive since it was hit
					newBeatAsset.hit = true;
					newBeatAsset.assetType = newAssetId; // Trail renkleri için asset tipini güncelle
					newBeatAsset.lastX = currentX;
					newBeatAsset.hasReachedHitZone = true;
					// Trail özelliklerini aktar
					newBeatAsset.lastTrailTime = Date.now();
					newBeatAsset.trailInterval = 15;
					newBeatAsset.updateTrail = beat.updateTrail;
					updateBeatTrailOnHit(newBeatAsset, feedbackType);
					// Destroy the original beat asset
					beat.destroy();
				}
				// BPM remains constant at settings value - no difficulty increase during gameplay
				break;
			}
		}
		if (!hit) {
			// Missed (tapped at wrong time)
			misses++;
			combo = 0;
			perfectCombo = 0; // Reset perfect combo on wrong time
			// missTxt removed, only hearts for lives
			comboTxt.setText('');
			// Play sounds based on selection - all selected sounds
			if (selectedKickSound !== '') {
				LK.getSound(selectedKickSound).play();
			}
			if (selectedHihatSound !== '') {
				LK.getSound(selectedHihatSound).play();
			}
			if (selectedSnareClapSound !== '') {
				LK.getSound(selectedSnareClapSound).play();
			}
			if (selectedPercussionSound !== '') {
				LK.getSound(selectedPercussionSound).play();
			}
			LK.effects.flashObject(kickTarget, 0xff0000, 200);
			// Show WRONG TIME feedback text at hit zone
			var wrongTimeText = new Text2('WRONG TIME', {
				size: 60,
				fill: 0xff4500
			});
			wrongTimeText.scale.set(2, 2);
			wrongTimeText.anchor.set(0.5, 0.5);
			wrongTimeText.x = HIT_ZONE_X;
			wrongTimeText.y = HIT_ZONE_Y - 180;
			game.addChild(wrongTimeText);
			tween(wrongTimeText, {
				alpha: 0,
				y: wrongTimeText.y - 100
			}, {
				duration: 600,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					wrongTimeText.destroy();
				}
			});
			// Only lose a life if countdown is not visible
			if (!countdownContainer.visible) {
				// Handle heartshield system for wrong time hits
				if (heartshields > 0) {
					// Convert leftmost heartshield to heart (heartshields are lost left to right)
					var shieldIndex = 3 - heartshields; // Get the leftmost heartshield index
					if (heartIcons[shieldIndex]) {
						var parent = heartIcons[shieldIndex].parent;
						if (parent) {
							parent.removeChild(heartIcons[shieldIndex]);
						}
						heartIcons[shieldIndex] = LK.getAsset('heart', {
							anchorX: 0,
							anchorY: 0,
							x: heartStartX + shieldIndex * (heartWidth + heartSpacing),
							y: heartY
						});
						gamescreen.addChild(heartIcons[shieldIndex]);
					}
					heartshields--; // Lose one heartshield
					// No miss feedback, sound, or other penalties for heartshield hits
				} else {
					// All heartshields are gone, now lose hearts
					// Lose a life and update heart icon
					if (lives > 0) {
						var lostIndex = MAX_LIVES - lives; // soldan sağa kaybetmek için
						if (heartIcons[lostIndex]) {
							var parent = heartIcons[lostIndex].parent;
							if (parent) {
								parent.removeChild(heartIcons[lostIndex]);
							}
							heartIcons[lostIndex] = LK.getAsset('lostheart', {
								anchorX: 0,
								anchorY: 0,
								x: heartStartX + lostIndex * (heartWidth + heartSpacing),
								y: heartY
							});
							gamescreen.addChild(heartIcons[lostIndex]);
						}
						lives--;
					}
					if (lives <= 0) {
						gameOver();
					}
				}
			}
		}
	}
};
game.up = function (x, y, obj) {
	isTouching = false;
	// Restore kick target
	kickTarget.destroy();
	kickTarget = LK.getAsset('kickTarget', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: HIT_ZONE_X,
		y: HIT_ZONE_Y
	});
	gamescreen.addChild(kickTarget);
};
// --- Game over ---
function gameOver() {
	gameActive = false;
	LK.effects.flashScreen(0xff0000, 800);
	showDefeatScreen();
	LK.stopMusic();
}
// --- Glow Effect for Purple Elements ---
function addGlowEffect(element, glowColor, intensity) {
	if (!element || !element.visible) {
		return;
	}
	// Create glow animation using tint and alpha
	var originalTint = element.tint || 0xffffff;
	var glowTint = glowColor || 0xaa00ff; // Default purple glow
	var glowIntensity = intensity || 0.3;
	// Pulsing glow effect
	function startGlow() {
		tween(element, {
			alpha: 1 - glowIntensity
		}, {
			duration: 800,
			easing: tween.easeInOut,
			yoyo: true,
			repeat: -1 // Infinite repeat
		});
	}
	startGlow();
}
// Apply glow to purple elements
function applyGlowToVioletElements() {
	// Apply glow to kick target (blue/violet color)
	if (kickTarget) {
		addGlowEffect(kickTarget, 0x8a2be2, 0.2);
	}
	// Apply glow to main menu buttons (purple/violet elements)
	if (startBtn) {
		addGlowEffect(startBtn, 0x8a2be2, 0.15);
	}
	if (settingsBtn) {
		addGlowEffect(settingsBtn, 0x8a2be2, 0.15);
	}
	if (creditsBtn) {
		addGlowEffect(creditsBtn, 0x8a2be2, 0.15);
	}
	if (supportBtn) {
		addGlowEffect(supportBtn, 0x8a2be2, 0.15);
	}
	// Apply glow to BPM circle container if it exists
	if (typeof bpmCircleContainer !== 'undefined' && bpmCircleContainer) {
		addGlowEffect(bpmCircleContainer, 0x8a2be2, 0.2);
	}
}
// Initialize glow effects
applyGlowToVioletElements();
// --- Win condition ---
function checkWin() {
	if (score >= 5000) {
		gameActive = false;
		LK.effects.flashScreen(0x00ff00, 800);
		LK.showYouWin();
		LK.stopMusic();
	}
}
// --- Defeat Screen Implementation ---
var defeatContainer = new Container();
defeatContainer.visible = false;
game.addChild(defeatContainer);
var maxCombo = 0; // Track maximum combo achieved
var perfectCount = 0; // Track number of perfect hits
var perfectCombo = 0; // Track current consecutive perfect hits
var maxPerfectCombo = 0; // Track maximum consecutive perfect hits
var lastBpmUpgradeScore = 0; // Track last score where BPM was upgraded
var gamePaused = false; // Track if game is paused
var pauseContainer = new Container();
pauseContainer.visible = false;
game.addChild(pauseContainer);
function showDefeatScreen() {
	defeatContainer.visible = true;
	defeatContainer.removeChildren();
	gamescreen.visible = false;
	bpmDisplayTxt.visible = false;
	songNameTxt.visible = false;
	// Add defeat background using defeatbg asset
	var defeatBg = LK.getAsset('defeatbg', {
		anchorX: 0,
		anchorY: 0,
		x: 0,
		y: 0,
		width: 2048,
		height: 2732
	});
	defeatContainer.addChild(defeatBg);
	// Add blurred background behind statistics
	var blurredBg = LK.getAsset('blurred', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 1185,
		scaleX: 1.35,
		scaleY: 1.35,
		alpha: 1
	});
	defeatContainer.addChild(blurredBg);
	// Game Over title using gameover asset
	var gameOverAsset = LK.getAsset('gameover', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: 600,
		scaleX: 0.5,
		scaleY: 0.5
	});
	defeatContainer.addChild(gameOverAsset);
	// Statistics arranged vertically with 5px spacing
	var statsStartY = 990;
	var statsSpacing = 5;
	var currentY = statsStartY;
	// Score display
	var finalScoreTxt = new Text2("Score: " + score, {
		size: 54,
		fill: 0xffffff
	});
	finalScoreTxt.scale.set(2, 2);
	finalScoreTxt.anchor.set(0, 0.5);
	finalScoreTxt.x = 2048 / 2 - 550;
	finalScoreTxt.y = currentY;
	defeatContainer.addChild(finalScoreTxt);
	currentY += finalScoreTxt.height + statsSpacing;
	// Max combo display
	var maxComboTxt = new Text2("Max Combo: " + maxCombo, {
		size: 54,
		fill: 0x00ff00
	});
	maxComboTxt.scale.set(2, 2);
	maxComboTxt.anchor.set(0, 0.5);
	maxComboTxt.x = 2048 / 2 - 550;
	maxComboTxt.y = currentY;
	defeatContainer.addChild(maxComboTxt);
	currentY += maxComboTxt.height + statsSpacing;
	// Perfect count display
	var perfectCountTxt = new Text2("Perfect: " + perfectCount, {
		size: 54,
		fill: 0xffe600
	});
	perfectCountTxt.scale.set(2, 2);
	perfectCountTxt.anchor.set(0, 0.5);
	perfectCountTxt.x = 2048 / 2 - 550;
	perfectCountTxt.y = currentY;
	defeatContainer.addChild(perfectCountTxt);
	currentY += perfectCountTxt.height + statsSpacing;
	// Max perfect combo display (orange color)
	var maxPerfectComboTxt = new Text2("Max Perfect Combo: " + maxPerfectCombo, {
		size: 54,
		fill: 0xff8c00
	});
	maxPerfectComboTxt.scale.set(2, 2);
	maxPerfectComboTxt.anchor.set(0, 0.5);
	maxPerfectComboTxt.x = 2048 / 2 - 550;
	maxPerfectComboTxt.y = currentY;
	defeatContainer.addChild(maxPerfectComboTxt);
	// Calculate button positions
	var defeatButtonStartY = 1700;
	var defeatButtonHeight = 289;
	var defeatButtonSpacing = 20;
	// Tekrar Oyna (Play Again) Button
	var playAgainBtn = LK.getAsset('tryagain', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: defeatButtonStartY,
		scaleX: 5,
		scaleY: 5
	});
	defeatContainer.addChild(playAgainBtn);
	// Ana Menü (Main Menu) Button
	var mainMenuBtn = LK.getAsset('mainmenu', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2,
		y: defeatButtonStartY + defeatButtonHeight + defeatButtonSpacing,
		scaleX: 5,
		scaleY: 5
	});
	defeatContainer.addChild(mainMenuBtn);
	// Button event handlers
	playAgainBtn.down = function (x, y, obj) {
		// Play button click sound
		LK.getSound('buttonclick').play();
		// Click animation
		tween(playAgainBtn, {
			scaleX: 4.5,
			scaleY: 4.5
		}, {
			duration: 80,
			easing: tween.easeIn,
			onFinish: function onFinish() {
				tween(playAgainBtn, {
					scaleX: 5,
					scaleY: 5
				}, {
					duration: 120,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						defeatContainer.visible = false;
						maxCombo = 0; // Reset max combo
						perfectCount = 0; // Reset perfect count
						maxPerfectCombo = 0; // Reset max perfect combo
						// Continue from current level - if tutorial not completed, restart tutorial
						if (!tutorialCompleted) {
							currentLevel = 1;
							storage.currentLevel = currentLevel;
						}
						showReadyScreen(function () {
							showCountdown(function () {
								startGame();
							});
						});
					}
				});
			}
		});
	};
	mainMenuBtn.down = function (x, y, obj) {
		// Play button click sound
		LK.getSound('buttonclick').play();
		// Click animation
		tween(mainMenuBtn, {
			scaleX: 4.5,
			scaleY: 4.5
		}, {
			duration: 80,
			easing: tween.easeIn,
			onFinish: function onFinish() {
				tween(mainMenuBtn, {
					scaleX: 5,
					scaleY: 5
				}, {
					duration: 120,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						defeatContainer.visible = false;
						maxCombo = 0; // Reset max combo
						perfectCount = 0; // Reset perfect count
						maxPerfectCombo = 0; // Reset max perfect combo
						mainMenuContainer.visible = true;
						scoreTxt.visible = false;
						comboTxt.visible = false;
						bpmDisplayTxt.visible = false;
						songNameTxt.visible = false;
						gamescreen.visible = false;
						// Stop current music and play menu music with a small delay to ensure proper playback (only if not muted)
						LK.stopMusic();
						if (!musicMuted) {
							LK.setTimeout(function () {
								var volumeMultiplier = soundVolume / 100;
								LK.playMusic('menumusic', {
									volume: 0.8 * volumeMultiplier,
									loop: true
								});
							}, 100);
						}
					}
				});
			}
		});
	};
}
// --- Restart on game over ---
LK.on('gameover', function () {
	showDefeatScreen();
});
LK.on('youwin', function () {
	startGame();
});
// Kalp ve heartshield UI güncelleme fonksiyonu
function updateHeartsUI(lives, heartshields) {
	// Remove all existing heart icons
	for (var i = 0; i < heartIcons.length; i++) {
		if (heartIcons[i] && heartIcons[i].parent) {
			heartIcons[i].parent.removeChild(heartIcons[i]);
		}
	}
	heartIcons = [];
	var heartWidth = 150;
	var totalHeartsWidth = MAX_LIVES * heartWidth + (MAX_LIVES - 1) * heartSpacing;
	var heartStartX = 2048 - 100 - totalHeartsWidth;
	var heartY = scoreTxt.y + 50;
	for (var i = 0; i < MAX_LIVES; i++) {
		var assetId;
		if (i < 3 - heartshields) {
			// Heartshield kaybedilmiş, kalp veya lostheart göster
			if (i < MAX_LIVES - lives) {
				assetId = 'lostheart';
			} else {
				assetId = 'heart';
			}
		} else {
			assetId = 'heartshield';
		}
		var heartAsset = LK.getAsset(assetId, {
			anchorX: 0,
			anchorY: 0,
			x: heartStartX + i * (heartWidth + heartSpacing),
			y: heartY
		});
		gamescreen.addChild(heartAsset);
		heartIcons.push(heartAsset);
	}
}
// Beat asset değiştirme fonksiyonu
function replaceBeatAsset(beat, newAssetId, options) {
	if (!beat.parent) {
		return null;
	}
	var beatParent = beat.parent;
	var currentX = beat.x;
	var currentY = beat.y;
	beatParent.removeChild(beat);
	var assetOptions = {
		anchorX: 0.5,
		anchorY: 0.5,
		x: currentX,
		y: currentY,
		width: 60,
		height: 59.77
	};
	if (options) {
		for (var key in options) {
			assetOptions[key] = options[key];
		}
	}
	var newBeatAsset = LK.getAsset(newAssetId, {});
	beatParent.addChild(newBeatAsset);
	// Copy over important properties
	newBeatAsset.beatTime = beat.beatTime;
	newBeatAsset.type = beat.type;
	newBeatAsset.active = false;
	newBeatAsset.hit = true;
	newBeatAsset.lastX = currentX;
	newBeatAsset.hasReachedHitZone = true;
	// Trail sistemi özelliklerini kopyala ve başlat
	newBeatAsset.lastTrailTime = Date.now();
	newBeatAsset.trailInterval = 15;
	newBeatAsset.assetType = newAssetId;
	// Trail güncelleme metodunu ekle
	newBeatAsset.updateTrail = function () {
		var now = Date.now();
		if (now - this.lastTrailTime > this.trailInterval) {
			var colors = BEAT_COLORS[this.assetType] || BEAT_COLORS.circle;
			// Beat'in hareket yönünü belirle (sağ tarafta mı?)
			var isRightSide = this.x > HIT_ZONE_X;
			var directionMultiplier = isRightSide ? 1 : -1;
			// Parçacık sayısını ve yayılımı ayarla
			var particleCount = 10;
			var spreadX = 20;
			var spreadY = 20;
			for (var i = 0; i < particleCount; i++) {
				// Ana parçacık
				var mainParticle = createTrailParticle(this.x + (Math.random() - 0.5) * spreadX, this.y + (Math.random() - 0.5) * spreadY, colors.mainTrail);
				mainParticle.velocityX = (Math.random() * 2 + 1) * directionMultiplier;
				mainParticle.velocityY = (Math.random() - 0.5) * 3;
				// Yan parçacık 1
				var subParticle1 = createTrailParticle(this.x + (Math.random() - 0.5) * (spreadX * 1.5), this.y + (Math.random() - 0.5) * (spreadY * 1.5), colors.subTrail1);
				subParticle1.width = 4;
				subParticle1.height = 4;
				subParticle1.velocityX = (Math.random() * 1.5 + 0.5) * directionMultiplier;
				subParticle1.velocityY = (Math.random() - 0.5) * 2;
				// Yan parçacık 2
				var subParticle2 = createTrailParticle(this.x + (Math.random() - 0.5) * (spreadX * 1.25), this.y + (Math.random() - 0.5) * (spreadY * 1.25), colors.subTrail2);
				subParticle2.width = 3;
				subParticle2.height = 3;
				subParticle2.velocityX = (Math.random() * 1 + 0.5) * directionMultiplier;
				subParticle2.velocityY = (Math.random() - 0.5) * 1.5;
				// Parçacıkları oyun ekranına ekle ve özelliklerini ayarla
				[mainParticle, subParticle1, subParticle2].forEach(function (p) {
					p.fadeSpeed = 0.03;
					p.gravity = 0.1;
					p.drag = 0.98;
					gamescreen.addChild(p);
					trailParticles.push(p);
				});
			}
			this.lastTrailTime = now;
		}
	};
	// Trail sistemini aktif et
	if (!beats.includes(newBeatAsset)) {
		beats.push(newBeatAsset);
	}
	// Pulse efektini ekle
	newBeatAsset.pulseStartTime = Date.now();
	newBeatAsset.baseScale = newBeatAsset.scale.x;
	newBeatAsset.updateBeatPulse = function () {
		updateBeatPulse(this);
	};
	beat.destroy();
	return newBeatAsset;
}
// Sidechain efekti: Kick çalarken müziği kısa süreli kısmak için
function playKickWithSidechain() {
	// Kick çal
	if (selectedKickSound !== '') {
		LK.getSound(selectedKickSound).play();
	}
	// Müzik volume'unu kısa süreli azalt
	var music = LK.getMusic && LK.getMusic();
	if (music && music.setVolume) {
		var originalVolume = music.volume || 1;
		music.setVolume(originalVolume * 0.7);
		setTimeout(function () {
			music.setVolume(originalVolume);
		}, 120); // 120ms sonra eski volume
	}
}
// === Waveform (Sinüs Yörüngesi) Çizgisi ===
var waveformContainer = new Container();
gamescreen.addChild(waveformContainer);
function drawWaveformLK() {
	waveformContainer.removeChildren();
	var step = 10;
	var params = getWaveParams(bpm);
	var waveLength = params.waveLength;
	var waveAmplitude = params.waveAmplitude;
	var phase = -HIT_ZONE_X / waveLength;
	var prev = null;
	for (var x = 0; x <= 2048; x += step) {
		var y = HIT_ZONE_Y + Math.sin(x / waveLength + phase) * waveAmplitude;
		if (prev) {
			// Mor glow çizgisi (kalın, yarı saydam)
			var glowLine = LK.getAsset('settingsbar', {
				anchorX: 0,
				anchorY: 0.5,
				x: prev.x,
				y: prev.y,
				width: step,
				height: 16,
				alpha: 0.3,
				tint: 0xaa00ff
			});
			waveformContainer.addChild(glowLine);
			// Beyaz çizgi (ince, tam opak)
			var whiteLine = LK.getAsset('settingsbar', {
				anchorX: 0,
				anchorY: 0.5,
				x: prev.x,
				y: prev.y,
				width: step,
				height: 4,
				alpha: 1,
				tint: 0xffffff
			});
			waveformContainer.addChild(whiteLine);
		}
		prev = {
			x: x,
			y: y
		};
	}
}
// Function to get wave parameters based on BPM
function getWaveParams(bpm) {
	bpm = Math.max(40, Math.min(120, bpm));
	var minAmp = 80,
		maxAmp = 500;
	var minLength = 80,
		maxLength = 120;
	var t = (bpm - 40) / (120 - 40);
	var waveAmplitude = minAmp + (maxAmp - minAmp) * t;
	var waveLength = minLength + (maxLength - minLength) * t;
	return {
		waveLength: waveLength,
		waveAmplitude: waveAmplitude
	};
}
// Oyun başında ve BPM değiştiğinde çağır:
drawWaveformLK();
// Screen shake function
function shakeScreen(intensity, duration) {
	// Maksimum shake süresi sınırı (ör. 600ms)
	duration = Math.min(duration, 600);
	var originalX = gamescreen.x;
	var originalY = gamescreen.y;
	var originalBpmX = bpmDisplayTxt.x;
	var originalBpmY = bpmDisplayTxt.y;
	var originalSongX = songNameTxt.x;
	var originalSongY = songNameTxt.y;
	var shakeCount = 0;
	var maxShakes = Math.floor(duration / 16.67); // 60fps
	function shake() {
		if (shakeCount >= maxShakes) {
			// Son sönümleme: pozisyonu yavaşça sıfırla
			tween(gamescreen, {
				x: originalX,
				y: originalY
			}, {
				duration: 120,
				easing: tween.easeOut
			});
			tween(bpmDisplayTxt, {
				x: originalBpmX,
				y: originalBpmY
			}, {
				duration: 120,
				easing: tween.easeOut
			});
			tween(songNameTxt, {
				x: originalSongX,
				y: originalSongY
			}, {
				duration: 120,
				easing: tween.easeOut
			});
			return;
		}
		// Sönümlü intensity: sona yaklaştıkça azalır
		var progress = shakeCount / maxShakes;
		var currentIntensity = intensity * (1 - progress * 0.7); // Sonlara doğru %70 azalır
		var randomX = (Math.random() - 0.5) * 2 * currentIntensity;
		var randomY = (Math.random() - 0.5) * 2 * currentIntensity;
		tween(gamescreen, {
			x: originalX + randomX,
			y: originalY + randomY
		}, {
			duration: 16.67,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				shakeCount++;
				shake();
			}
		});
		// Textler de sallansın
		bpmDisplayTxt.x = originalBpmX + randomX;
		bpmDisplayTxt.y = originalBpmY + randomY;
		songNameTxt.x = originalSongX + randomX;
		songNameTxt.y = originalSongY + randomY;
	}
	shake();
}
// Flash overlay for screen darkening
function createFlashOverlay() {
	if (!window.flashOverlay) {
		window.flashOverlay = LK.getAsset('ch2panF', {
			anchorX: 0,
			anchorY: 0,
			x: 0,
			y: 0,
			width: 2048,
			height: 2732,
			alpha: 0,
			tint: 0x000000
		});
		game.addChild(window.flashOverlay);
	}
	return window.flashOverlay;
}
function flashScreen(color, alpha, duration) {
	var overlay = createFlashOverlay();
	overlay.tint = color;
	// Hızlı flash efekti
	tween(overlay, {
		alpha: alpha
	}, {
		duration: duration * 0.2,
		// Yükselme süresi
		easing: tween.easeOut,
		onFinish: function onFinish() {
			// Yavaşça kaybolma
			tween(overlay, {
				alpha: 0
			}, {
				duration: duration * 0.8,
				// Kaybolma süresi
				easing: tween.easeIn
			});
		}
	});
}
// Trail particle system
function createTrailParticle(x, y, color) {
	var particle = LK.getAsset('circle', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: x,
		y: y,
		width: 6,
		// Daha küçük parçacıklar
		height: 6,
		alpha: 0.5,
		// Biraz daha saydam
		tint: color
	});
	// Fizik özellikleri
	particle.velocityX = 0;
	particle.velocityY = 0;
	particle.drag = 0.95; // Sürtünme
	particle.gravity = 0.2; // Yerçekimi
	particle.life = 1.0; // Yaşam süresi (1.0'dan 0'a)
	particle.fadeSpeed = 0.02; // Her frame'de azalacak yaşam miktarı
	return particle;
}
function updateTrailParticle(particle) {
	// Fizik güncellemesi
	particle.velocityY += particle.gravity;
	particle.velocityX *= particle.drag;
	particle.velocityY *= particle.drag;
	particle.x += particle.velocityX;
	particle.y += particle.velocityY;
	// Yaşam süresi ve opaklık güncellemesi
	particle.life -= particle.fadeSpeed;
	particle.alpha = particle.life * 0.6;
	return particle.life > 0;
}
var trailParticles = [];
function updateTrailSystem() {
	// Tüm parçacıkları güncelle ve ölenleri kaldır
	for (var i = trailParticles.length - 1; i >= 0; i--) {
		var particle = trailParticles[i];
		if (!updateTrailParticle(particle)) {
			gamescreen.removeChild(particle);
			trailParticles.splice(i, 1);
		}
	}
}
// Game update fonksiyonuna trail güncellemesini ekle
var originalGameUpdate = game.update;
game.update = function () {
	originalGameUpdate.call(this);
	// Trail sistemini güncelle
	updateTrailSystem();
	// Tüm beatlerin trail'lerini güncelle
	for (var i = 0; i < beats.length; i++) {
		var beat = beats[i];
		// Hem aktif hem de hit olmuş beatlerin trail'lerini güncelle
		if (beat.active && !beat.hit || beat.hit && beat.x > HIT_ZONE_X) {
			if (typeof beat.updateTrail === 'function') {
				beat.updateTrail();
			}
			if (typeof beat.updateBeatPulse === 'function') {
				beat.updateBeatPulse();
			} else {
				updateBeatPulse(beat);
			}
		}
	}
};
// Beat renk konfigürasyonları
var BEAT_COLORS = {
	'perfectcircle': {
		mainTrail: 0xFFD700,
		// Altın sarısı
		subTrail1: 0xFFA500,
		// Turuncu
		subTrail2: 0xFFFF00 // Sarı
	},
	'kickActive': {
		mainTrail: 0x00ff00,
		// Yeşil
		subTrail1: 0x98fb98,
		// Açık yeşil
		subTrail2: 0x32cd32 // Lime yeşil
	},
	'circle': {
		mainTrail: 0x8a2be2,
		// Mor
		subTrail1: 0x00e6ff,
		// Mavi
		subTrail2: 0xff1493 // Pembe
	},
	'miss': {
		mainTrail: 0xFF0000,
		// Kırmızı
		subTrail1: 0xFF4444,
		// Açık kırmızı
		subTrail2: 0xCC0000 // Koyu kırmızı
	},
	'perfect': {
		mainTrail: 0xFFD700,
		// Altın sarısı
		subTrail1: 0xFFA500,
		// Turuncu
		subTrail2: 0xFFFF00 // Sarı
	},
	'awesome': {
		mainTrail: 0x00FFFF,
		// Cyan
		subTrail1: 0x40E0D0,
		// Turkuaz
		subTrail2: 0x00CED1 // Koyu turkuaz
	},
	'good': {
		mainTrail: 0x32CD32,
		// Lime yeşil
		subTrail1: 0x90EE90,
		// Açık yeşil
		subTrail2: 0x228B22 // Orman yeşili
	},
	'ok': {
		mainTrail: 0x4169E1,
		// Royal mavi
		subTrail1: 0x1E90FF,
		// Dodger mavi
		subTrail2: 0x0000CD // Orta koyu mavi
	}
};
// BPM'e göre pulse efekti
function updateBeatPulse(beat) {
	if (!beat.pulseStartTime) {
		beat.pulseStartTime = Date.now();
		beat.baseScale = beat.scale.x;
	}
	var bpmInterval = 60000 / bpm; // BPM'i milisaniyeye çevir
	var timeSinceStart = Date.now() - beat.pulseStartTime;
	var pulsePhase = timeSinceStart % bpmInterval / bpmInterval;
	// Sinüs dalgası ile pulse efekti
	var pulseScale = 0.15; // Pulse büyüklüğü
	var scaleFactor = 1 + Math.sin(pulsePhase * Math.PI * 2) * pulseScale;
	beat.scale.x = beat.baseScale * scaleFactor;
	beat.scale.y = beat.baseScale * scaleFactor;
}
// Trail renklerini güncelleme fonksiyonu
function updateTrailsColor(beat, newColorType, customColors) {
	if (!beat || !beat.updateTrail) {
		return null;
	}
	// Yeni renk tipini kaydet
	beat.trailColorType = newColorType;
	// Özel renkler verilmişse onları kullan, yoksa BEAT_COLORS'dan al
	var colors;
	if (customColors) {
		colors = {
			mainTrail: customColors.mainTrail || 0xFFFFFF,
			subTrail1: customColors.subTrail1 || 0xCCCCCC,
			subTrail2: customColors.subTrail2 || 0x999999
		};
	} else {
		colors = BEAT_COLORS[newColorType] || BEAT_COLORS.circle;
	}
	// Trail güncelleme fonksiyonunu yeni renklerle güncelle
	beat.updateTrail = function () {
		var now = Date.now();
		if (now - this.lastTrailTime > this.trailInterval) {
			// Beat'in hareket yönünü belirle (sağ tarafta mı?)
			var isRightSide = this.x > HIT_ZONE_X;
			var directionMultiplier = isRightSide ? 1 : -1;
			// Parçacık sayısını ve yayılımı ayarla
			var particleCount = 10;
			var spreadX = 20;
			var spreadY = 20;
			for (var i = 0; i < particleCount; i++) {
				// Ana parçacık
				var mainParticle = createTrailParticle(this.x + (Math.random() - 0.5) * spreadX, this.y + (Math.random() - 0.5) * spreadY, colors.mainTrail);
				mainParticle.velocityX = (Math.random() * 2 + 1) * directionMultiplier;
				mainParticle.velocityY = (Math.random() - 0.5) * 3;
				// Yan parçacık 1
				var subParticle1 = createTrailParticle(this.x + (Math.random() - 0.5) * (spreadX * 1.5), this.y + (Math.random() - 0.5) * (spreadY * 1.5), colors.subTrail1);
				subParticle1.width = 4;
				subParticle1.height = 4;
				subParticle1.velocityX = (Math.random() * 1.5 + 0.5) * directionMultiplier;
				subParticle1.velocityY = (Math.random() - 0.5) * 2;
				// Yan parçacık 2
				var subParticle2 = createTrailParticle(this.x + (Math.random() - 0.5) * (spreadX * 1.25), this.y + (Math.random() - 0.5) * (spreadY * 1.25), colors.subTrail2);
				subParticle2.width = 3;
				subParticle2.height = 3;
				subParticle2.velocityX = (Math.random() * 1 + 0.5) * directionMultiplier;
				subParticle2.velocityY = (Math.random() - 0.5) * 1.5;
				// Parçacıkları oyun ekranına ekle ve özelliklerini ayarla
				[mainParticle, subParticle1, subParticle2].forEach(function (p) {
					p.fadeSpeed = 0.03;
					p.gravity = 0.1;
					p.drag = 0.98;
					gamescreen.addChild(p);
					trailParticles.push(p);
				});
			}
			this.lastTrailTime = now;
		}
	};
	return beat;
}
function updateBeatTrailOnHit(beat, hitType) {
	if (!beat) {
		return;
	}
	// Hit türüne göre renk tipini belirle
	var colorType;
	switch (hitType.toLowerCase()) {
		case 'perfect':
			colorType = 'perfect';
			break;
		case 'awesome':
			colorType = 'awesome';
			break;
		case 'good':
			colorType = 'good';
			break;
		case 'ok':
			colorType = 'ok';
			break;
		case 'miss':
			colorType = 'miss';
			break;
		default:
			colorType = 'circle';
	}
	// Trail renklerini güncelle
	updateTrailsColor(beat, colorType);
}
// === Oyun Modu Yönetimi ===
var gameMode = "story"; // "story", "endless", "tutorial"
// === Menü Fonksiyonları ===
function showMainMenu() {
	mainMenuContainer.visible = true;
	scoreTxt.visible = false;
	comboTxt.visible = false;
	bpmDisplayTxt.visible = false;
	songNameTxt.visible = false;
	gamescreen.visible = false;
	defeatContainer.visible = false;
	pauseContainer.visible = false;
	settingsmenu.visible = false;
	creditsmenu.visible = false;
	supportmenu.visible = false;
}
// ... existing code ...
// === Ana Menü Butonları ===
// Start (Story) Button
startBtn.down = function (x, y, obj) {
	LK.getSound('buttonclick').play();
	LK.stopMusic();
	tween(startBtn, {
		scaleX: 0.162,
		scaleY: 0.162
	}, {
		duration: 80,
		easing: tween.easeIn,
		onFinish: function onFinish() {
			tween(startBtn, {
				scaleX: 0.18,
				scaleY: 0.18
			}, {
				duration: 120,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					mainMenuContainer.visible = false;
					gameMode = "story";
					showStoryIntro(function () {
						showReadyScreen(function () {
							showCountdown(function () {
								startGame({
									mode: "story"
								});
							});
						});
					});
				}
			});
		}
	});
};
// Endless Mode Button
var endlessBtn = LK.getAsset('endless', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: buttonStartY + buttonHeight + buttonSpacing,
	scaleX: 0.18,
	scaleY: 0.18
});
mainMenuContainer.addChild(endlessBtn);
endlessBtn.down = function (x, y, obj) {
	LK.getSound('buttonclick').play();
	LK.stopMusic();
	tween(endlessBtn, {
		scaleX: 0.162,
		scaleY: 0.162
	}, {
		duration: 80,
		easing: tween.easeIn,
		onFinish: function onFinish() {
			tween(endlessBtn, {
				scaleX: 0.18,
				scaleY: 0.18
			}, {
				duration: 120,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					mainMenuContainer.visible = false;
					gameMode = "endless";
					showReadyScreen(function () {
						showCountdown(function () {
							startGame({
								mode: "endless"
							});
						});
					});
				}
			});
		}
	});
};
// ... existing code ...
// === startGame Fonksiyonunu Parametreli Yap ===
// ... existing code ...
// defeat ve ana menüye dönünce gameMode'u sıfırla
function resetGameMode() {
	gameMode = "story";
}
// defeat ekranı ve ana menü butonlarında resetGameMode çağır
// ... existing code ...
// === DEBUG: Oyun Modu ve BPM Göstergesi ===
// Ekranın sol üst köşesine debugText ekle
var debugText = new Text2('', {
	size: 24,
	fill: 0xff00ff
});
debugText.anchor.set(0, 0);
debugText.x = 20;
debugText.y = 20;
LK.gui.top.addChild(debugText);
function updateDebugText() {
	debugText.setText('MODE: ' + gameMode + ' | BPM: ' + bpm);
}
// startGame fonksiyonunun başında ve mod değiştirirken çağır
// ...
// === Trail Particle Pool Sistemi ===
var PARTICLE_POOL_SIZE = 500;
var particlePool = [];
for (var i = 0; i < PARTICLE_POOL_SIZE; i++) {
	var p = createTrailParticle(0, 0, 0xffffff);
	p.visible = false;
	p.alpha = 0;
	particlePool.push(p);
	gamescreen.addChild(p);
}
// Pool'dan particle al
function getPooledParticle(x, y, color, size) {
	for (var i = 0; i < particlePool.length; i++) {
		var p = particlePool[i];
		if (!p.visible || p.life <= 0) {
			p.x = x;
			p.y = y;
			p.tint = color;
			p.life = 1.0;
			p.alpha = 0.5;
			p.visible = true;
			p.width = 1;
			p.height = 1;
			p.velocityX = 0;
			p.velocityY = 0;
			p.fadeSpeed = 0.12;
			return p;
		}
	}
	return null;
}
// createTrailParticle fonksiyonunu sadece pool için kullan
// updateTrailParticle fonksiyonunu optimize et

===================================================================
--- original.js
+++ change.js
@@ -25,8 +25,52 @@
 		anchorY: 0.5
 	});
 	self.active = true; // Whether this beat is still hittable
 	self.hit = false; // Whether this beat was hit
+	self.assetType = 'circle'; // Varsayılan asset tipi
+	// Trail effect properties
+	self.lastTrailTime = 0;
+	self.trailInterval = 15; // Her 15ms'de parçacık oluştur
+	self.updateTrail = function () {
+		var now = Date.now();
+		if (now - this.lastTrailTime > this.trailInterval) {
+			var colors = BEAT_COLORS[this.assetType] || BEAT_COLORS.circle;
+			// Beat'in hareket yönünü belirle (sağ tarafta mı?)
+			var isRightSide = this.x > HIT_ZONE_X;
+			var directionMultiplier = isRightSide ? 1 : -1;
+			// --- Trail yayılımını BPM'e göre ayarla ---
+			var params = getWaveParams(bpm);
+			var spreadX = params.waveAmplitude * 0.2; // Dalga yüksekliğine orantılı
+			var spreadY = params.waveAmplitude * 0.2;
+			for (var i = 0; i < 10; i++) {
+				// Ana parçacık
+				var mainParticle = createTrailParticle(this.x + (Math.random() - 0.5) * spreadX, this.y + (Math.random() - 0.5) * spreadY, colors.mainTrail);
+				mainParticle.velocityX = (Math.random() * 2 + 1) * directionMultiplier;
+				mainParticle.velocityY = (Math.random() - 0.5) * 3;
+				// Yan parçacık 1
+				var subParticle1 = createTrailParticle(this.x + (Math.random() - 0.5) * (spreadX * 1.5), this.y + (Math.random() - 0.5) * (spreadY * 1.5), colors.subTrail1);
+				subParticle1.width = 4;
+				subParticle1.height = 4;
+				subParticle1.velocityX = (Math.random() * 1.5 + 0.5) * directionMultiplier;
+				subParticle1.velocityY = (Math.random() - 0.5) * 2;
+				// Yan parçacık 2
+				var subParticle2 = createTrailParticle(this.x + (Math.random() - 0.5) * (spreadX * 1.25), this.y + (Math.random() - 0.5) * (spreadY * 1.25), colors.subTrail2);
+				subParticle2.width = 3;
+				subParticle2.height = 3;
+				subParticle2.velocityX = (Math.random() * 1 + 0.5) * directionMultiplier;
+				subParticle2.velocityY = (Math.random() - 0.5) * 1.5;
+				// Parçacıkları oyun ekranına ekle
+				[mainParticle, subParticle1, subParticle2].forEach(function (p) {
+					p.fadeSpeed = 0.03;
+					p.gravity = 0.1;
+					p.drag = 0.98;
+					gamescreen.addChild(p);
+					trailParticles.push(p);
+				});
+			}
+			this.lastTrailTime = now;
+		}
+	};
 	// For feedback animation
 	self.showFeedback = function (type) {
 		var feedbackId = type === 'good' ? 'goodCircle' : 'missCircle';
 		var feedback = LK.getAsset(feedbackId, {
@@ -63,9 +107,9 @@
 
 /**** 
 * Game Code
 ****/ 
-// --- Game constants ---
+// --- Story Chapters Configuration ---
 // Bass drum (kick) hit circle
 // Bass drum (kick) hit circle when active
 // Timeline bar
 // Beat marker
@@ -73,8 +117,18 @@
 // Good feedback
 // Sound for kick
 // Music (looping, short demo)
 // --- BPM-specific music assets (kickless versions) ---
+var STORY_CHAPTERS = [{
+	bpm: 60,
+	musicId: '60BPMLowKey',
+	songName: 'LowKey'
+}, {
+	bpm: 90,
+	musicId: '90BPMDigitalPulse',
+	songName: 'DigitalPulse'
+}];
+// --- Game constants ---
 var TIMELINE_WIDTH = 2048;
 var TIMELINE_HEIGHT = 25;
 var TIMELINE_Y = 2000; // Y position of timeline bar
 var TIMELINE_X = 0;
@@ -266,67 +320,279 @@
 	}
 	return pattern;
 }
 // --- Start game ---
-function startGame() {
+function startGame(options) {
+	options = options || {};
+	var mode = options.mode || "story";
 	// Reset state
 	for (var i = 0; i < beats.length; i++) {
 		beats[i].destroy();
 	}
 	beats = [];
-	// Check if this is tutorial mode (chapter 1)
-	if (!tutorialCompleted && currentLevel === 1) {
-		isTutorial = true;
-		bpm = 60; // Tutorial always starts at 60 BPM
-	} else {
+	if (mode === "story") {
+		// Story modunda tutorial kontrolü
+		gameMode = "story";
+		var chapterIdx = typeof currentLevel === 'number' ? currentLevel - 1 : 0;
+		var chapter = STORY_CHAPTERS[chapterIdx] || STORY_CHAPTERS[0];
+		isTutorial = chapterIdx === 0 && !tutorialCompleted;
+		bpm = chapter.bpm;
+		var storyMusicId = chapter.musicId;
+		var storySongName = chapter.songName;
+		beatInterval = 60 / bpm;
+		beatPattern = generateBeatPattern(bpm);
+		nextBeatIdx = 0;
+		songTime = 0;
+		lastTickTime = Date.now();
+		score = 0;
+		misses = 0;
+		ignoredMisses = 0;
+		combo = 0;
+		perfectCombo = 0;
+		lives = MAX_LIVES;
+		heartshields = 3;
+		lastBpmUpgradeScore = 0;
+		// Remove any beat at the kick target at game start
+		for (var i = beats.length - 1; i >= 0; i--) {
+			if (typeof beats[i].x !== "undefined" && Math.abs(beats[i].x - HIT_ZONE_X) < 2 || typeof beats[i].x !== "undefined" && beats[i].x >= HIT_ZONE_X - HIT_WINDOW) {
+				beats[i].destroy();
+				beats.splice(i, 1);
+			}
+		}
+		if (beats.length > 0 && typeof beats[0].x !== "undefined" && Math.abs(beats[0].x - HIT_ZONE_X) < 2) {
+			beats[0].destroy();
+			beats.splice(0, 1);
+		}
+		updateHeartsUI(lives, heartshields);
+		var heartWidth = 150;
+		var totalHeartsWidth = MAX_LIVES * heartWidth + (MAX_LIVES - 1) * heartSpacing;
+		var heartStartX = 2048 - 100 - totalHeartsWidth;
+		var heartY = scoreTxt.y + 50;
+		for (var i = 0; i < heartIcons.length; i++) {
+			if (heartIcons[i] && heartIcons[i].parent) {
+				heartIcons[i].parent.removeChild(heartIcons[i]);
+			}
+		}
+		heartIcons = [];
+		heartshields = MAX_LIVES;
+		lives = MAX_LIVES;
+		for (var i = 0; i < MAX_LIVES; i++) {
+			var heartAsset = LK.getAsset('heartshield', {
+				anchorX: 0,
+				anchorY: 0,
+				x: heartStartX + i * (heartWidth + heartSpacing),
+				y: heartY
+			});
+			gamescreen.addChild(heartAsset);
+			heartIcons.push(heartAsset);
+		}
+		gameActive = true;
+		gamePaused = false;
+		scoreTxt.setText('0');
+		comboTxt.setText('');
+		kickTarget.visible = true;
+		LK.setScore(0);
+		applyGlowToVioletElements();
+		updateAllSoundVolumes();
+		tween({}, {}, {
+			duration: 3000,
+			onFinish: function onFinish() {
+				if (gameActive && heartshields > 0) {
+					heartshields = 0;
+					updateHeartsUI(lives, heartshields);
+				}
+			}
+		});
+		// --- Story modunda sabit müzik ve şarkı adı ---
+		var musicId = storyMusicId;
+		var volumeMultiplier = soundVolume / 100;
+		var musicVolume = isTutorial ? 0.5 : 1;
+		LK.playMusic(musicId, {
+			volume: musicVolume * volumeMultiplier,
+			loop: true
+		});
+		if (bpmDisplayTxt) {
+			bpmDisplayTxt.setText(bpm + ' BPM');
+		}
+		if (songNameTxt) {
+			songNameTxt.setText(storySongName);
+		}
+		// UI gösterimi
+		scoreTxt.visible = true;
+		comboTxt.visible = true;
+		bpmDisplayTxt.visible = true;
+		songNameTxt.visible = true;
+		gamescreen.visible = true;
+		mainMenuContainer.visible = false;
+		updateDebugText();
+		return;
+	} else if (mode === "endless") {
+		gameMode = "endless";
 		isTutorial = false;
-		// Use saved BPM from storage for regular play
 		bpm = typeof storage.bpm === "number" ? storage.bpm : INITIAL_BPM;
+		beatInterval = 60 / bpm;
+		beatPattern = generateBeatPattern(bpm);
+		nextBeatIdx = 0;
+		songTime = 0;
+		lastTickTime = Date.now();
+		score = 0;
+		misses = 0;
+		ignoredMisses = 0;
+		combo = 0;
+		perfectCombo = 0;
+		lives = MAX_LIVES;
+		heartshields = 3;
+		lastBpmUpgradeScore = 0;
+		// Remove any beat at the kick target at game start
+		for (var i = beats.length - 1; i >= 0; i--) {
+			if (typeof beats[i].x !== "undefined" && Math.abs(beats[i].x - HIT_ZONE_X) < 2 || typeof beats[i].x !== "undefined" && beats[i].x >= HIT_ZONE_X - HIT_WINDOW) {
+				beats[i].destroy();
+				beats.splice(i, 1);
+			}
+		}
+		if (beats.length > 0 && typeof beats[0].x !== "undefined" && Math.abs(beats[0].x - HIT_ZONE_X) < 2) {
+			beats[0].destroy();
+			beats.splice(0, 1);
+		}
+		updateHeartsUI(lives, heartshields);
+		var heartWidth = 150;
+		var totalHeartsWidth = MAX_LIVES * heartWidth + (MAX_LIVES - 1) * heartSpacing;
+		var heartStartX = 2048 - 100 - totalHeartsWidth;
+		var heartY = scoreTxt.y + 50;
+		for (var i = 0; i < heartIcons.length; i++) {
+			if (heartIcons[i] && heartIcons[i].parent) {
+				heartIcons[i].parent.removeChild(heartIcons[i]);
+			}
+		}
+		heartIcons = [];
+		heartshields = MAX_LIVES;
+		lives = MAX_LIVES;
+		for (var i = 0; i < MAX_LIVES; i++) {
+			var heartAsset = LK.getAsset('heartshield', {
+				anchorX: 0,
+				anchorY: 0,
+				x: heartStartX + i * (heartWidth + heartSpacing),
+				y: heartY
+			});
+			gamescreen.addChild(heartAsset);
+			heartIcons.push(heartAsset);
+		}
+		gameActive = true;
+		gamePaused = false;
+		scoreTxt.setText('0');
+		comboTxt.setText('');
+		kickTarget.visible = true;
+		LK.setScore(0);
+		applyGlowToVioletElements();
+		updateAllSoundVolumes();
+		tween({}, {}, {
+			duration: 3000,
+			onFinish: function onFinish() {
+				if (gameActive && heartshields > 0) {
+					heartshields = 0;
+					updateHeartsUI(lives, heartshields);
+				}
+			}
+		});
+		// --- Play correct BPM music (kickless) ---
+		var musicId = '100BPMSynthWave';
+		if (bpm === 60) {
+			musicId = '60BPMLowKey';
+		} else if (bpm === 40) {
+			musicId = '40BPMDeepVibes';
+		} else if (bpm === 45) {
+			musicId = '45BPMChillWave';
+		} else if (bpm === 50) {
+			musicId = '50BPMSlowMotion';
+		} else if (bpm === 55) {
+			musicId = '55BPMDreamscape';
+		} else if (bpm === 65) {
+			musicId = '65BPMRelaxed';
+		} else if (bpm === 70) {
+			musicId = '70BPMCalmVibes';
+		} else if (bpm === 75) {
+			musicId = '75BPMElectricDreams';
+		} else if (bpm === 80) {
+			musicId = '80BPMNeonNights';
+		} else if (bpm === 85) {
+			musicId = '85BPMCyberFlow';
+		} else if (bpm === 90) {
+			musicId = '90BPMDigitalPulse';
+		} else if (bpm === 95) {
+			musicId = '95BPMFutureBass';
+		} else if (bpm === 100) {
+			musicId = '100BPMSynthWave';
+		} else if (bpm === 105) {
+			musicId = '105BPMHyperDrive';
+		} else if (bpm === 110) {
+			musicId = '110BPMTechnoRush';
+		} else if (bpm === 115) {
+			musicId = '115BPMHighEnergy';
+		} else if (bpm === 120) {
+			musicId = '120BPMMaximum';
+		}
+		var volumeMultiplier = soundVolume / 100;
+		var musicVolume = 1;
+		LK.playMusic(musicId, {
+			volume: musicVolume * volumeMultiplier,
+			loop: true
+		});
+		if (bpmDisplayTxt) {
+			bpmDisplayTxt.setText(bpm + ' BPM');
+		}
+		if (songNameTxt) {
+			var songName = musicId.replace(/^\d+BPM/, '');
+			songNameTxt.setText(songName);
+		}
+		// --- BPM'e göre waveform'u güncelle ---
+		drawWaveformLK();
+		// UI gösterimi
+		scoreTxt.visible = true;
+		comboTxt.visible = true;
+		bpmDisplayTxt.visible = true;
+		songNameTxt.visible = true;
+		gamescreen.visible = true;
+		mainMenuContainer.visible = false;
+		updateDebugText();
+		return;
 	}
-	// Always use current bpm and calculate beatInterval accordingly
 	beatInterval = 60 / bpm;
-	beatPattern = generateBeatPattern(bpm); // Generate 100,000 beats
+	beatPattern = generateBeatPattern(bpm);
 	nextBeatIdx = 0;
 	songTime = 0;
 	lastTickTime = Date.now();
 	score = 0;
 	misses = 0;
-	ignoredMisses = 0; // Reset ignored misses counter
+	ignoredMisses = 0;
 	combo = 0;
-	perfectCombo = 0; // Reset perfect combo
+	perfectCombo = 0;
 	lives = MAX_LIVES;
-	heartshields = 3; // Reset heartshields
-	lastBpmUpgradeScore = 0; // Reset BPM upgrade tracking
-	// Remove any beat that is at the kick target at game start (defensive, in case of bug)
-	// Also, prevent initial miss by ensuring no beat is at or past the hit zone at game start
+	heartshields = 3;
+	lastBpmUpgradeScore = 0;
+	// Remove any beat at the kick target at game start
 	for (var i = beats.length - 1; i >= 0; i--) {
 		if (typeof beats[i].x !== "undefined" && Math.abs(beats[i].x - HIT_ZONE_X) < 2 || typeof beats[i].x !== "undefined" && beats[i].x >= HIT_ZONE_X - HIT_WINDOW) {
 			beats[i].destroy();
 			beats.splice(i, 1);
 		}
 	}
-	// Defensive: Also ensure no beat is created at the kick target at game start
 	if (beats.length > 0 && typeof beats[0].x !== "undefined" && Math.abs(beats[0].x - HIT_ZONE_X) < 2) {
 		beats[0].destroy();
 		beats.splice(0, 1);
 	}
-	// Reset heart icons to full heartshields
 	updateHeartsUI(lives, heartshields);
-	// Recalculate miss text width and heart positions on restart
 	var heartWidth = 150;
 	var totalHeartsWidth = MAX_LIVES * heartWidth + (MAX_LIVES - 1) * heartSpacing;
 	var heartStartX = 2048 - 100 - totalHeartsWidth;
 	var heartY = scoreTxt.y + 50;
-	// Remove all existing heart icons
 	for (var i = 0; i < heartIcons.length; i++) {
 		if (heartIcons[i] && heartIcons[i].parent) {
 			heartIcons[i].parent.removeChild(heartIcons[i]);
 		}
 	}
-	// Recreate all heart icons as full heartshields
 	heartIcons = [];
-	heartshields = MAX_LIVES; // Reset heartshields counter first
-	lives = MAX_LIVES; // Reset lives counter to ensure proper state
+	heartshields = MAX_LIVES;
+	lives = MAX_LIVES;
 	for (var i = 0; i < MAX_LIVES; i++) {
 		var heartAsset = LK.getAsset('heartshield', {
 			anchorX: 0,
 			anchorY: 0,
@@ -339,16 +605,12 @@
 	gameActive = true;
 	gamePaused = false;
 	scoreTxt.setText('0');
 	comboTxt.setText('');
-	// missTxt removed, only hearts for lives
 	kickTarget.visible = true;
 	LK.setScore(0);
-	// Reapply glow effects after game restart
 	applyGlowToVioletElements();
-	// Apply current sound volume settings
 	updateAllSoundVolumes();
-	// Set timeout to remove heartshields after 3 seconds
 	tween({}, {}, {
 		duration: 3000,
 		onFinish: function onFinish() {
 			if (gameActive && heartshields > 0) {
@@ -357,9 +619,9 @@
 			}
 		}
 	});
 	// --- Play correct BPM music (kickless) ---
-	var musicId = '100BPMSynthWave'; // Default fallback
+	var musicId = '100BPMSynthWave';
 	if (bpm === 60) {
 		musicId = '60BPMLowKey';
 	} else if (bpm === 40) {
 		musicId = '40BPMDeepVibes';
@@ -368,10 +630,8 @@
 	} else if (bpm === 50) {
 		musicId = '50BPMSlowMotion';
 	} else if (bpm === 55) {
 		musicId = '55BPMDreamscape';
-	} else if (bpm === 60) {
-		musicId = '60BPMLowKey';
 	} else if (bpm === 65) {
 		musicId = '65BPMRelaxed';
 	} else if (bpm === 70) {
 		musicId = '70BPMCalmVibes';
@@ -396,19 +656,29 @@
 	} else if (bpm === 120) {
 		musicId = '120BPMMaximum';
 	}
 	var volumeMultiplier = soundVolume / 100;
-	var musicVolume = isTutorial ? 0.5 : 1; // Tutorial uses 0.5 volume, regular play uses 1
+	var musicVolume = 1;
 	LK.playMusic(musicId, {
 		volume: musicVolume * volumeMultiplier,
 		loop: true
 	});
-	// Update song name display
+	if (bpmDisplayTxt) {
+		bpmDisplayTxt.setText(bpm + ' BPM');
+	}
 	if (songNameTxt) {
-		// Remove BPM number and "BPM" text from the beginning
 		var songName = musicId.replace(/^\d+BPM/, '');
 		songNameTxt.setText(songName);
 	}
+	// --- BPM'e göre waveform'u güncelle ---
+	drawWaveformLK();
+	// UI gösterimi
+	scoreTxt.visible = true;
+	comboTxt.visible = true;
+	bpmDisplayTxt.visible = true;
+	songNameTxt.visible = true;
+	gamescreen.visible = true;
+	mainMenuContainer.visible = false;
 }
 // --- Main Menu Implementation ---
 // Add main menu background image, anchored top-left, covering the whole game area
 var mainMenuContainer = new Container();
@@ -436,9 +706,9 @@
 var buttonStartY = 1000;
 var buttonHeight = 289; // Approximate height with scale 5
 var buttonSpacing = 5;
 // Start Button
-var startBtn = LK.getAsset('startbutton', {
+var startBtn = LK.getAsset('start', {
 	anchorX: 0.5,
 	anchorY: 0.5,
 	x: 2048 / 2,
 	y: buttonStartY,
@@ -450,9 +720,9 @@
 var settingsBtn = LK.getAsset('settingsbutton', {
 	anchorX: 0.5,
 	anchorY: 0.5,
 	x: 2048 / 2,
-	y: buttonStartY + buttonHeight + buttonSpacing,
+	y: buttonStartY + 4 * (buttonHeight + buttonSpacing),
 	scaleX: 0.18,
 	scaleY: 0.18
 });
 mainMenuContainer.addChild(settingsBtn);
@@ -1230,17 +1500,17 @@
 		}
 		var dy = dragStartY - y; // Up is positive
 		var step = Math.floor(dy / PIXELS_PER_STEP);
 		if (step !== lastDragStep) {
-			var newBpm = dragStartBpm + step * BPM_STEP;
-			if (newBpm < BPM_MIN) {
-				newBpm = BPM_MIN;
+			var calculatedBpm = dragStartBpm + step * BPM_STEP;
+			if (calculatedBpm < BPM_MIN) {
+				calculatedBpm = BPM_MIN;
 			}
-			if (newBpm > BPM_MAX) {
-				newBpm = BPM_MAX;
+			if (calculatedBpm > BPM_MAX) {
+				calculatedBpm = BPM_MAX;
 			}
-			if (newBpm !== bpm) {
-				bpm = newBpm;
+			if (bpm !== calculatedBpm) {
+				bpm = calculatedBpm;
 				bpmValueTxt.setText(bpm + "");
 				beatInterval = 60 / bpm; // Recalculate beat interval for new BPM
 				// Regenerate beat pattern with new BPM intervals
 				beatPattern = generateBeatPattern(bpm);
@@ -1252,8 +1522,68 @@
 					// Show the actual BPM of the currently playing song, not the settings BPM
 					var currentPlayingBpm = bpm; // This is the actual BPM being used for gameplay
 					bpmDisplayTxt.setText(currentPlayingBpm + ' BPM');
 				}
+				drawWaveformLK(); // waveform'u anlık güncelle
+				// --- İYİLEŞTİRME: Eğer endless modda oyun aktifse, BPM değişikliğini oyuna uygula ---
+				if (gameMode === 'endless' && gameActive && !gamePaused) {
+					// BPM'i ve beatInterval'ı güncelle
+					beatInterval = 60 / bpm;
+					beatPattern = generateBeatPattern(bpm);
+					nextBeatIdx = 0;
+					if (bpmDisplayTxt) {
+						bpmDisplayTxt.setText(bpm + ' BPM');
+					}
+					drawWaveformLK();
+					// Müzik de BPM'e göre değişsin
+					var musicId = '100BPMSynthWave';
+					if (bpm === 60) {
+						musicId = '60BPMLowKey';
+					} else if (bpm === 40) {
+						musicId = '40BPMDeepVibes';
+					} else if (bpm === 45) {
+						musicId = '45BPMChillWave';
+					} else if (bpm === 50) {
+						musicId = '50BPMSlowMotion';
+					} else if (bpm === 55) {
+						musicId = '55BPMDreamscape';
+					} else if (bpm === 65) {
+						musicId = '65BPMRelaxed';
+					} else if (bpm === 70) {
+						musicId = '70BPMCalmVibes';
+					} else if (bpm === 75) {
+						musicId = '75BPMElectricDreams';
+					} else if (bpm === 80) {
+						musicId = '80BPMNeonNights';
+					} else if (bpm === 85) {
+						musicId = '85BPMCyberFlow';
+					} else if (bpm === 90) {
+						musicId = '90BPMDigitalPulse';
+					} else if (bpm === 95) {
+						musicId = '95BPMFutureBass';
+					} else if (bpm === 100) {
+						musicId = '100BPMSynthWave';
+					} else if (bpm === 105) {
+						musicId = '105BPMHyperDrive';
+					} else if (bpm === 110) {
+						musicId = '110BPMTechnoRush';
+					} else if (bpm === 115) {
+						musicId = '115BPMHighEnergy';
+					} else if (bpm === 120) {
+						musicId = '120BPMMaximum';
+					}
+					var volumeMultiplier = soundVolume / 100;
+					LK.stopMusic();
+					LK.playMusic(musicId, {
+						volume: 1 * volumeMultiplier,
+						loop: true
+					});
+					if (songNameTxt) {
+						var songName = musicId.replace(/^\d+BPM/, '');
+						songNameTxt.setText(songName);
+					}
+				}
+				updateDebugText();
 			}
 			lastDragStep = step;
 		}
 	};
@@ -1897,9 +2227,11 @@
 					mainMenuContainer.visible = false;
 					showStoryIntro(function () {
 						showReadyScreen(function () {
 							showCountdown(function () {
-								startGame();
+								startGame({
+									mode: "story"
+								});
 							});
 						});
 					});
 				}
@@ -2045,8 +2377,18 @@
 // Story intro screen container
 var storyContainer = new Container();
 storyContainer.visible = false;
 game.addChild(storyContainer);
+// Add version number to bottom left corner of main menu
+var versionTxt = new Text2('v1.01', {
+	size: 24,
+	fill: 0xffffff
+});
+versionTxt.scale.set(1.5, 1.5);
+versionTxt.anchor.set(0, 1);
+versionTxt.x = 50;
+versionTxt.y = 2732 - 50;
+mainMenuContainer.addChild(versionTxt);
 // Add menu to game
 game.addChild(mainMenuContainer);
 // menus are already added above
 // Hide all gameplay UI until game starts
@@ -2057,23 +2399,20 @@
 // missTxt removed, only hearts for lives
 // timelineBar and kickTarget are now children of gamescreen, so their visibility is managed by gamescreen
 // Patch startGame to show gameplay UI and gamescreen
 var _originalStartGame = startGame;
-startGame = function startGame() {
+startGame = function startGame(options) {
 	scoreTxt.visible = true;
 	comboTxt.visible = true;
 	bpmDisplayTxt.visible = true;
 	songNameTxt.visible = true;
 	if (bpmDisplayTxt) {
-		// Show the actual BPM of the currently playing song, not the settings BPM
-		var currentPlayingBpm = isTutorial ? 60 : bpm; // Tutorial always shows 60 BPM
-		bpmDisplayTxt.setText('60 BPM');
+		var currentPlayingBpm = isTutorial ? 60 : bpm;
+		bpmDisplayTxt.setText(currentPlayingBpm + ' BPM');
 	}
-	// missTxt removed, only hearts for lives
 	gamescreen.visible = true;
 	mainMenuContainer.visible = false;
-	// overlayContainer.visible = false; // Removed, not defined
-	_originalStartGame();
+	_originalStartGame(options);
 };
 // On menu, hide gameplay UI and gamescreen
 mainMenuContainer.visible = true;
 scoreTxt.visible = false;
@@ -2297,17 +2636,58 @@
 }
 // --- Beat spawning ---
 function spawnBeat(beat) {
 	var marker = new BeatMarker();
-	// All beats spawn at left edge of screen (x=0)
-	marker.x = 0; // Always spawn at left edge
+	marker.x = 0;
 	marker.y = HIT_ZONE_Y;
 	marker.beatTime = beat.time;
 	marker.type = beat.type;
 	marker.active = true;
 	marker.hit = false;
-	marker.lastX = marker.x; // initialize lastX for correct miss logic
-	marker.hasReachedHitZone = false; // initialize for correct miss logic
+	marker.lastX = marker.x;
+	marker.hasReachedHitZone = false;
+	// Trail sistemi ekle
+	marker.lastTrailTime = Date.now();
+	marker.trailInterval = 15;
+	marker.assetType = marker.type;
+	marker.updateTrail = function () {
+		var now = Date.now();
+		if (now - this.lastTrailTime > this.trailInterval) {
+			var colors = BEAT_COLORS[this.type] || BEAT_COLORS.circle;
+			// Beat'in hareket yönünü belirle (sağ tarafta mı?)
+			var isRightSide = this.x > HIT_ZONE_X;
+			var directionMultiplier = isRightSide ? 1 : -1;
+			for (var i = 0; i < 10; i++) {
+				// Ana parçacık
+				var mainParticle = createTrailParticle(this.x + (Math.random() - 0.5) * 20, this.y + (Math.random() - 0.5) * 20, colors.mainTrail);
+				mainParticle.velocityX = (Math.random() * 2 + 1) * directionMultiplier;
+				mainParticle.velocityY = (Math.random() - 0.5) * 3;
+				// Yan parçacık 1
+				var subParticle1 = createTrailParticle(this.x + (Math.random() - 0.5) * 30, this.y + (Math.random() - 0.5) * 30, colors.subTrail1);
+				subParticle1.width = 4;
+				subParticle1.height = 4;
+				subParticle1.velocityX = (Math.random() * 1.5 + 0.5) * directionMultiplier;
+				subParticle1.velocityY = (Math.random() - 0.5) * 2;
+				// Yan parçacık 2
+				var subParticle2 = createTrailParticle(this.x + (Math.random() - 0.5) * 25, this.y + (Math.random() - 0.5) * 25, colors.subTrail2);
+				subParticle2.width = 3;
+				subParticle2.height = 3;
+				subParticle2.velocityX = (Math.random() * 1 + 0.5) * directionMultiplier;
+				subParticle2.velocityY = (Math.random() - 0.5) * 1.5;
+				// Parçacıkları oyun ekranına ekle
+				[mainParticle, subParticle1, subParticle2].forEach(function (p) {
+					p.fadeSpeed = 0.03;
+					p.gravity = 0.1;
+					p.drag = 0.98;
+					gamescreen.addChild(p);
+					trailParticles.push(p);
+				});
+			}
+			this.lastTrailTime = now;
+		}
+	};
+	// Add glow effect to the beat marker
+	addGlowEffect(marker, 0x8a2be2, 0.4);
 	beats.push(marker);
 	gamescreen.addChild(marker);
 }
 // --- Game update ---
@@ -2362,10 +2742,10 @@
 				tutorialCompleteTxt.destroy();
 			}
 		});
 	}
-	// Check if player reached 5k points - pause game and show black screen
-	if (score >= 5000 && gameActive) {
+	// Check if player reached 5k points - pause game and show black screen (only in story mode)
+	if (score >= 5000 && gameActive && gameMode === "story") {
 		// Pause the game
 		gameActive = false;
 		gamePaused = true;
 		// Stop current music
@@ -2763,8 +3143,12 @@
 														var beat = beats[i];
 														var currentBeatSpeed = getBeatSpeed();
 														var elapsedTime = songTime - (beat.beatTime - HIT_ZONE_X / currentBeatSpeed);
 														beat.x = elapsedTime * currentBeatSpeed;
+														// Dalga boyunu daha belirgin yapmak için waveLength'i küçült
+														var waveLength = 80;
+														var phase = -HIT_ZONE_X / waveLength;
+														beat.y = HIT_ZONE_Y + Math.sin(beat.x / waveLength + phase) * 500;
 														if (beat.x < -400) {
 															beat.x = -400;
 														}
 														if (beat.x > TIMELINE_X + TIMELINE_WIDTH + 400) {
@@ -3127,8 +3511,11 @@
 				if (songNameTxt) {
 					var songName = newMusicId.replace(/^\d+BPM/, '');
 					songNameTxt.setText(songName);
 				}
+				// --- BPM değiştiğinde waveform'u güncelle ---
+				drawWaveformLK();
+				updateDebugText();
 			}
 		}
 	}
 	// Move beats and check for misses
@@ -3139,8 +3526,15 @@
 		// Calculate elapsed time since beat was spawned
 		var elapsedTime = songTime - (beat.beatTime - HIT_ZONE_X / currentBeatSpeed);
 		// Move beat from left edge at constant speed
 		beat.x = elapsedTime * currentBeatSpeed;
+		// --- YENİ: Beat yörüngesi waveform ile senkron olsun ---
+		var params = getWaveParams(bpm);
+		var waveLength = params.waveLength;
+		var waveAmplitude = params.waveAmplitude;
+		var phase = -HIT_ZONE_X / waveLength;
+		beat.y = HIT_ZONE_Y + Math.sin(beat.x / waveLength + phase) * waveAmplitude;
+		// ... existing code ...
 		// Ensure beat stays within reasonable bounds
 		if (beat.x < -400) {
 			beat.x = -400;
 		}
@@ -3193,8 +3587,10 @@
 				missedAsset.hit = false;
 				missedAsset.lastX = beat.x; // Use current position
 				missedAsset.hasReachedHitZone = true;
 				missedAsset.isMissed = true; // Mark as missed for special handling
+				// Add empty updateTrail method to prevent errors
+				missedAsset.updateTrail = function () {};
 				// Destroy the original beat asset
 				beat.destroy();
 			}
 			// Handle heartshield system
@@ -3334,32 +3730,47 @@
 					perfectCombo++; // Increment consecutive perfect hits
 					if (perfectCombo > maxPerfectCombo) {
 						maxPerfectCombo = perfectCombo; // Track maximum consecutive perfect hits
 					}
+					// Intense screen shake for perfect hits, increasing with combo
+					var perfectShakeIntensity = Math.min(15, 5 + perfectCombo * 0.5); // Max intensity of 15
+					var perfectShakeDuration = Math.min(400, 200 + perfectCombo * 10); // Max duration of 400ms
+					shakeScreen(perfectShakeIntensity, perfectShakeDuration);
+					// Perfect vuruş için parlak mor flash
+					var flashAlpha = Math.min(0.4, 0.2 + perfectCombo * 0.01); // Combo arttıkça daha belirgin
+					flashScreen(0x8a2be2, flashAlpha, perfectShakeDuration);
 				} else if (distFromCenter < 40) {
 					feedbackType = 'awesome';
 					feedbackText = 'AWESOME!';
 					feedbackColor = 0x00e6ff;
 					scoreAdd = 150;
 					perfectCombo = 0; // Reset perfect combo for non-perfect hit
+					shakeScreen(4, 200); // Mild shake for awesome hits
+					flashScreen(0x00e6ff, 0.15, 100); // Mavi flash efekti
 				} else if (distFromCenter < 70) {
 					feedbackType = 'good';
 					feedbackText = 'GOOD';
 					feedbackColor = 0x00ff00;
 					scoreAdd = 100;
 					perfectCombo = 0; // Reset perfect combo for non-perfect hit
+					shakeScreen(3, 160); // Very mild shake for good hits
+					flashScreen(0x00ff00, 0.1, 80); // Yeşil flash efekti
 				} else {
 					feedbackType = 'ok';
 					feedbackText = 'OK';
 					feedbackColor = 0xcccccc;
 					scoreAdd = 50;
 					perfectCombo = 0; // Reset perfect combo for non-perfect hit
+					shakeScreen(2, 120); // Minimal shake for ok hits
+					flashScreen(0xcccccc, 0.05, 60); // Hafif gri flash efekti
 				}
 				beat.hit = true;
 				beat.active = false;
 				hit = true;
 				score += scoreAdd;
 				combo += 1;
+				// Trail renklerini güncelle
+				updateBeatTrailOnHit(beat, feedbackType);
 				if (combo > maxCombo) {
 					maxCombo = combo; // Track maximum combo achieved
 				}
 				LK.setScore(score);
@@ -3460,10 +3871,16 @@
 					newBeatAsset.beatTime = beat.beatTime;
 					newBeatAsset.type = beat.type;
 					newBeatAsset.active = false; // Mark as inactive since it was hit
 					newBeatAsset.hit = true;
+					newBeatAsset.assetType = newAssetId; // Trail renkleri için asset tipini güncelle
 					newBeatAsset.lastX = currentX;
 					newBeatAsset.hasReachedHitZone = true;
+					// Trail özelliklerini aktar
+					newBeatAsset.lastTrailTime = Date.now();
+					newBeatAsset.trailInterval = 15;
+					newBeatAsset.updateTrail = beat.updateTrail;
+					updateBeatTrailOnHit(newBeatAsset, feedbackType);
 					// Destroy the original beat asset
 					beat.destroy();
 				}
 				// BPM remains constant at settings value - no difficulty increase during gameplay
@@ -3883,9 +4300,11 @@
 	}
 }
 // Beat asset değiştirme fonksiyonu
 function replaceBeatAsset(beat, newAssetId, options) {
-	if (!beat.parent) return null;
+	if (!beat.parent) {
+		return null;
+	}
 	var beatParent = beat.parent;
 	var currentX = beat.x;
 	var currentY = beat.y;
 	beatParent.removeChild(beat);
@@ -3910,7 +4329,621 @@
 	newBeatAsset.active = false;
 	newBeatAsset.hit = true;
 	newBeatAsset.lastX = currentX;
 	newBeatAsset.hasReachedHitZone = true;
+	// Trail sistemi özelliklerini kopyala ve başlat
+	newBeatAsset.lastTrailTime = Date.now();
+	newBeatAsset.trailInterval = 15;
+	newBeatAsset.assetType = newAssetId;
+	// Trail güncelleme metodunu ekle
+	newBeatAsset.updateTrail = function () {
+		var now = Date.now();
+		if (now - this.lastTrailTime > this.trailInterval) {
+			var colors = BEAT_COLORS[this.assetType] || BEAT_COLORS.circle;
+			// Beat'in hareket yönünü belirle (sağ tarafta mı?)
+			var isRightSide = this.x > HIT_ZONE_X;
+			var directionMultiplier = isRightSide ? 1 : -1;
+			// Parçacık sayısını ve yayılımı ayarla
+			var particleCount = 10;
+			var spreadX = 20;
+			var spreadY = 20;
+			for (var i = 0; i < particleCount; i++) {
+				// Ana parçacık
+				var mainParticle = createTrailParticle(this.x + (Math.random() - 0.5) * spreadX, this.y + (Math.random() - 0.5) * spreadY, colors.mainTrail);
+				mainParticle.velocityX = (Math.random() * 2 + 1) * directionMultiplier;
+				mainParticle.velocityY = (Math.random() - 0.5) * 3;
+				// Yan parçacık 1
+				var subParticle1 = createTrailParticle(this.x + (Math.random() - 0.5) * (spreadX * 1.5), this.y + (Math.random() - 0.5) * (spreadY * 1.5), colors.subTrail1);
+				subParticle1.width = 4;
+				subParticle1.height = 4;
+				subParticle1.velocityX = (Math.random() * 1.5 + 0.5) * directionMultiplier;
+				subParticle1.velocityY = (Math.random() - 0.5) * 2;
+				// Yan parçacık 2
+				var subParticle2 = createTrailParticle(this.x + (Math.random() - 0.5) * (spreadX * 1.25), this.y + (Math.random() - 0.5) * (spreadY * 1.25), colors.subTrail2);
+				subParticle2.width = 3;
+				subParticle2.height = 3;
+				subParticle2.velocityX = (Math.random() * 1 + 0.5) * directionMultiplier;
+				subParticle2.velocityY = (Math.random() - 0.5) * 1.5;
+				// Parçacıkları oyun ekranına ekle ve özelliklerini ayarla
+				[mainParticle, subParticle1, subParticle2].forEach(function (p) {
+					p.fadeSpeed = 0.03;
+					p.gravity = 0.1;
+					p.drag = 0.98;
+					gamescreen.addChild(p);
+					trailParticles.push(p);
+				});
+			}
+			this.lastTrailTime = now;
+		}
+	};
+	// Trail sistemini aktif et
+	if (!beats.includes(newBeatAsset)) {
+		beats.push(newBeatAsset);
+	}
+	// Pulse efektini ekle
+	newBeatAsset.pulseStartTime = Date.now();
+	newBeatAsset.baseScale = newBeatAsset.scale.x;
+	newBeatAsset.updateBeatPulse = function () {
+		updateBeatPulse(this);
+	};
 	beat.destroy();
 	return newBeatAsset;
-}
\ No newline at end of file
+}
+// Sidechain efekti: Kick çalarken müziği kısa süreli kısmak için
+function playKickWithSidechain() {
+	// Kick çal
+	if (selectedKickSound !== '') {
+		LK.getSound(selectedKickSound).play();
+	}
+	// Müzik volume'unu kısa süreli azalt
+	var music = LK.getMusic && LK.getMusic();
+	if (music && music.setVolume) {
+		var originalVolume = music.volume || 1;
+		music.setVolume(originalVolume * 0.7);
+		setTimeout(function () {
+			music.setVolume(originalVolume);
+		}, 120); // 120ms sonra eski volume
+	}
+}
+// === Waveform (Sinüs Yörüngesi) Çizgisi ===
+var waveformContainer = new Container();
+gamescreen.addChild(waveformContainer);
+function drawWaveformLK() {
+	waveformContainer.removeChildren();
+	var step = 10;
+	var params = getWaveParams(bpm);
+	var waveLength = params.waveLength;
+	var waveAmplitude = params.waveAmplitude;
+	var phase = -HIT_ZONE_X / waveLength;
+	var prev = null;
+	for (var x = 0; x <= 2048; x += step) {
+		var y = HIT_ZONE_Y + Math.sin(x / waveLength + phase) * waveAmplitude;
+		if (prev) {
+			// Mor glow çizgisi (kalın, yarı saydam)
+			var glowLine = LK.getAsset('settingsbar', {
+				anchorX: 0,
+				anchorY: 0.5,
+				x: prev.x,
+				y: prev.y,
+				width: step,
+				height: 16,
+				alpha: 0.3,
+				tint: 0xaa00ff
+			});
+			waveformContainer.addChild(glowLine);
+			// Beyaz çizgi (ince, tam opak)
+			var whiteLine = LK.getAsset('settingsbar', {
+				anchorX: 0,
+				anchorY: 0.5,
+				x: prev.x,
+				y: prev.y,
+				width: step,
+				height: 4,
+				alpha: 1,
+				tint: 0xffffff
+			});
+			waveformContainer.addChild(whiteLine);
+		}
+		prev = {
+			x: x,
+			y: y
+		};
+	}
+}
+// Function to get wave parameters based on BPM
+function getWaveParams(bpm) {
+	bpm = Math.max(40, Math.min(120, bpm));
+	var minAmp = 80,
+		maxAmp = 500;
+	var minLength = 80,
+		maxLength = 120;
+	var t = (bpm - 40) / (120 - 40);
+	var waveAmplitude = minAmp + (maxAmp - minAmp) * t;
+	var waveLength = minLength + (maxLength - minLength) * t;
+	return {
+		waveLength: waveLength,
+		waveAmplitude: waveAmplitude
+	};
+}
+// Oyun başında ve BPM değiştiğinde çağır:
+drawWaveformLK();
+// Screen shake function
+function shakeScreen(intensity, duration) {
+	// Maksimum shake süresi sınırı (ör. 600ms)
+	duration = Math.min(duration, 600);
+	var originalX = gamescreen.x;
+	var originalY = gamescreen.y;
+	var originalBpmX = bpmDisplayTxt.x;
+	var originalBpmY = bpmDisplayTxt.y;
+	var originalSongX = songNameTxt.x;
+	var originalSongY = songNameTxt.y;
+	var shakeCount = 0;
+	var maxShakes = Math.floor(duration / 16.67); // 60fps
+	function shake() {
+		if (shakeCount >= maxShakes) {
+			// Son sönümleme: pozisyonu yavaşça sıfırla
+			tween(gamescreen, {
+				x: originalX,
+				y: originalY
+			}, {
+				duration: 120,
+				easing: tween.easeOut
+			});
+			tween(bpmDisplayTxt, {
+				x: originalBpmX,
+				y: originalBpmY
+			}, {
+				duration: 120,
+				easing: tween.easeOut
+			});
+			tween(songNameTxt, {
+				x: originalSongX,
+				y: originalSongY
+			}, {
+				duration: 120,
+				easing: tween.easeOut
+			});
+			return;
+		}
+		// Sönümlü intensity: sona yaklaştıkça azalır
+		var progress = shakeCount / maxShakes;
+		var currentIntensity = intensity * (1 - progress * 0.7); // Sonlara doğru %70 azalır
+		var randomX = (Math.random() - 0.5) * 2 * currentIntensity;
+		var randomY = (Math.random() - 0.5) * 2 * currentIntensity;
+		tween(gamescreen, {
+			x: originalX + randomX,
+			y: originalY + randomY
+		}, {
+			duration: 16.67,
+			easing: tween.easeOut,
+			onFinish: function onFinish() {
+				shakeCount++;
+				shake();
+			}
+		});
+		// Textler de sallansın
+		bpmDisplayTxt.x = originalBpmX + randomX;
+		bpmDisplayTxt.y = originalBpmY + randomY;
+		songNameTxt.x = originalSongX + randomX;
+		songNameTxt.y = originalSongY + randomY;
+	}
+	shake();
+}
+// Flash overlay for screen darkening
+function createFlashOverlay() {
+	if (!window.flashOverlay) {
+		window.flashOverlay = LK.getAsset('ch2panF', {
+			anchorX: 0,
+			anchorY: 0,
+			x: 0,
+			y: 0,
+			width: 2048,
+			height: 2732,
+			alpha: 0,
+			tint: 0x000000
+		});
+		game.addChild(window.flashOverlay);
+	}
+	return window.flashOverlay;
+}
+function flashScreen(color, alpha, duration) {
+	var overlay = createFlashOverlay();
+	overlay.tint = color;
+	// Hızlı flash efekti
+	tween(overlay, {
+		alpha: alpha
+	}, {
+		duration: duration * 0.2,
+		// Yükselme süresi
+		easing: tween.easeOut,
+		onFinish: function onFinish() {
+			// Yavaşça kaybolma
+			tween(overlay, {
+				alpha: 0
+			}, {
+				duration: duration * 0.8,
+				// Kaybolma süresi
+				easing: tween.easeIn
+			});
+		}
+	});
+}
+// Trail particle system
+function createTrailParticle(x, y, color) {
+	var particle = LK.getAsset('circle', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		x: x,
+		y: y,
+		width: 6,
+		// Daha küçük parçacıklar
+		height: 6,
+		alpha: 0.5,
+		// Biraz daha saydam
+		tint: color
+	});
+	// Fizik özellikleri
+	particle.velocityX = 0;
+	particle.velocityY = 0;
+	particle.drag = 0.95; // Sürtünme
+	particle.gravity = 0.2; // Yerçekimi
+	particle.life = 1.0; // Yaşam süresi (1.0'dan 0'a)
+	particle.fadeSpeed = 0.02; // Her frame'de azalacak yaşam miktarı
+	return particle;
+}
+function updateTrailParticle(particle) {
+	// Fizik güncellemesi
+	particle.velocityY += particle.gravity;
+	particle.velocityX *= particle.drag;
+	particle.velocityY *= particle.drag;
+	particle.x += particle.velocityX;
+	particle.y += particle.velocityY;
+	// Yaşam süresi ve opaklık güncellemesi
+	particle.life -= particle.fadeSpeed;
+	particle.alpha = particle.life * 0.6;
+	return particle.life > 0;
+}
+var trailParticles = [];
+function updateTrailSystem() {
+	// Tüm parçacıkları güncelle ve ölenleri kaldır
+	for (var i = trailParticles.length - 1; i >= 0; i--) {
+		var particle = trailParticles[i];
+		if (!updateTrailParticle(particle)) {
+			gamescreen.removeChild(particle);
+			trailParticles.splice(i, 1);
+		}
+	}
+}
+// Game update fonksiyonuna trail güncellemesini ekle
+var originalGameUpdate = game.update;
+game.update = function () {
+	originalGameUpdate.call(this);
+	// Trail sistemini güncelle
+	updateTrailSystem();
+	// Tüm beatlerin trail'lerini güncelle
+	for (var i = 0; i < beats.length; i++) {
+		var beat = beats[i];
+		// Hem aktif hem de hit olmuş beatlerin trail'lerini güncelle
+		if (beat.active && !beat.hit || beat.hit && beat.x > HIT_ZONE_X) {
+			if (typeof beat.updateTrail === 'function') {
+				beat.updateTrail();
+			}
+			if (typeof beat.updateBeatPulse === 'function') {
+				beat.updateBeatPulse();
+			} else {
+				updateBeatPulse(beat);
+			}
+		}
+	}
+};
+// Beat renk konfigürasyonları
+var BEAT_COLORS = {
+	'perfectcircle': {
+		mainTrail: 0xFFD700,
+		// Altın sarısı
+		subTrail1: 0xFFA500,
+		// Turuncu
+		subTrail2: 0xFFFF00 // Sarı
+	},
+	'kickActive': {
+		mainTrail: 0x00ff00,
+		// Yeşil
+		subTrail1: 0x98fb98,
+		// Açık yeşil
+		subTrail2: 0x32cd32 // Lime yeşil
+	},
+	'circle': {
+		mainTrail: 0x8a2be2,
+		// Mor
+		subTrail1: 0x00e6ff,
+		// Mavi
+		subTrail2: 0xff1493 // Pembe
+	},
+	'miss': {
+		mainTrail: 0xFF0000,
+		// Kırmızı
+		subTrail1: 0xFF4444,
+		// Açık kırmızı
+		subTrail2: 0xCC0000 // Koyu kırmızı
+	},
+	'perfect': {
+		mainTrail: 0xFFD700,
+		// Altın sarısı
+		subTrail1: 0xFFA500,
+		// Turuncu
+		subTrail2: 0xFFFF00 // Sarı
+	},
+	'awesome': {
+		mainTrail: 0x00FFFF,
+		// Cyan
+		subTrail1: 0x40E0D0,
+		// Turkuaz
+		subTrail2: 0x00CED1 // Koyu turkuaz
+	},
+	'good': {
+		mainTrail: 0x32CD32,
+		// Lime yeşil
+		subTrail1: 0x90EE90,
+		// Açık yeşil
+		subTrail2: 0x228B22 // Orman yeşili
+	},
+	'ok': {
+		mainTrail: 0x4169E1,
+		// Royal mavi
+		subTrail1: 0x1E90FF,
+		// Dodger mavi
+		subTrail2: 0x0000CD // Orta koyu mavi
+	}
+};
+// BPM'e göre pulse efekti
+function updateBeatPulse(beat) {
+	if (!beat.pulseStartTime) {
+		beat.pulseStartTime = Date.now();
+		beat.baseScale = beat.scale.x;
+	}
+	var bpmInterval = 60000 / bpm; // BPM'i milisaniyeye çevir
+	var timeSinceStart = Date.now() - beat.pulseStartTime;
+	var pulsePhase = timeSinceStart % bpmInterval / bpmInterval;
+	// Sinüs dalgası ile pulse efekti
+	var pulseScale = 0.15; // Pulse büyüklüğü
+	var scaleFactor = 1 + Math.sin(pulsePhase * Math.PI * 2) * pulseScale;
+	beat.scale.x = beat.baseScale * scaleFactor;
+	beat.scale.y = beat.baseScale * scaleFactor;
+}
+// Trail renklerini güncelleme fonksiyonu
+function updateTrailsColor(beat, newColorType, customColors) {
+	if (!beat || !beat.updateTrail) {
+		return null;
+	}
+	// Yeni renk tipini kaydet
+	beat.trailColorType = newColorType;
+	// Özel renkler verilmişse onları kullan, yoksa BEAT_COLORS'dan al
+	var colors;
+	if (customColors) {
+		colors = {
+			mainTrail: customColors.mainTrail || 0xFFFFFF,
+			subTrail1: customColors.subTrail1 || 0xCCCCCC,
+			subTrail2: customColors.subTrail2 || 0x999999
+		};
+	} else {
+		colors = BEAT_COLORS[newColorType] || BEAT_COLORS.circle;
+	}
+	// Trail güncelleme fonksiyonunu yeni renklerle güncelle
+	beat.updateTrail = function () {
+		var now = Date.now();
+		if (now - this.lastTrailTime > this.trailInterval) {
+			// Beat'in hareket yönünü belirle (sağ tarafta mı?)
+			var isRightSide = this.x > HIT_ZONE_X;
+			var directionMultiplier = isRightSide ? 1 : -1;
+			// Parçacık sayısını ve yayılımı ayarla
+			var particleCount = 10;
+			var spreadX = 20;
+			var spreadY = 20;
+			for (var i = 0; i < particleCount; i++) {
+				// Ana parçacık
+				var mainParticle = createTrailParticle(this.x + (Math.random() - 0.5) * spreadX, this.y + (Math.random() - 0.5) * spreadY, colors.mainTrail);
+				mainParticle.velocityX = (Math.random() * 2 + 1) * directionMultiplier;
+				mainParticle.velocityY = (Math.random() - 0.5) * 3;
+				// Yan parçacık 1
+				var subParticle1 = createTrailParticle(this.x + (Math.random() - 0.5) * (spreadX * 1.5), this.y + (Math.random() - 0.5) * (spreadY * 1.5), colors.subTrail1);
+				subParticle1.width = 4;
+				subParticle1.height = 4;
+				subParticle1.velocityX = (Math.random() * 1.5 + 0.5) * directionMultiplier;
+				subParticle1.velocityY = (Math.random() - 0.5) * 2;
+				// Yan parçacık 2
+				var subParticle2 = createTrailParticle(this.x + (Math.random() - 0.5) * (spreadX * 1.25), this.y + (Math.random() - 0.5) * (spreadY * 1.25), colors.subTrail2);
+				subParticle2.width = 3;
+				subParticle2.height = 3;
+				subParticle2.velocityX = (Math.random() * 1 + 0.5) * directionMultiplier;
+				subParticle2.velocityY = (Math.random() - 0.5) * 1.5;
+				// Parçacıkları oyun ekranına ekle ve özelliklerini ayarla
+				[mainParticle, subParticle1, subParticle2].forEach(function (p) {
+					p.fadeSpeed = 0.03;
+					p.gravity = 0.1;
+					p.drag = 0.98;
+					gamescreen.addChild(p);
+					trailParticles.push(p);
+				});
+			}
+			this.lastTrailTime = now;
+		}
+	};
+	return beat;
+}
+function updateBeatTrailOnHit(beat, hitType) {
+	if (!beat) {
+		return;
+	}
+	// Hit türüne göre renk tipini belirle
+	var colorType;
+	switch (hitType.toLowerCase()) {
+		case 'perfect':
+			colorType = 'perfect';
+			break;
+		case 'awesome':
+			colorType = 'awesome';
+			break;
+		case 'good':
+			colorType = 'good';
+			break;
+		case 'ok':
+			colorType = 'ok';
+			break;
+		case 'miss':
+			colorType = 'miss';
+			break;
+		default:
+			colorType = 'circle';
+	}
+	// Trail renklerini güncelle
+	updateTrailsColor(beat, colorType);
+}
+// === Oyun Modu Yönetimi ===
+var gameMode = "story"; // "story", "endless", "tutorial"
+// === Menü Fonksiyonları ===
+function showMainMenu() {
+	mainMenuContainer.visible = true;
+	scoreTxt.visible = false;
+	comboTxt.visible = false;
+	bpmDisplayTxt.visible = false;
+	songNameTxt.visible = false;
+	gamescreen.visible = false;
+	defeatContainer.visible = false;
+	pauseContainer.visible = false;
+	settingsmenu.visible = false;
+	creditsmenu.visible = false;
+	supportmenu.visible = false;
+}
+// ... existing code ...
+// === Ana Menü Butonları ===
+// Start (Story) Button
+startBtn.down = function (x, y, obj) {
+	LK.getSound('buttonclick').play();
+	LK.stopMusic();
+	tween(startBtn, {
+		scaleX: 0.162,
+		scaleY: 0.162
+	}, {
+		duration: 80,
+		easing: tween.easeIn,
+		onFinish: function onFinish() {
+			tween(startBtn, {
+				scaleX: 0.18,
+				scaleY: 0.18
+			}, {
+				duration: 120,
+				easing: tween.easeOut,
+				onFinish: function onFinish() {
+					mainMenuContainer.visible = false;
+					gameMode = "story";
+					showStoryIntro(function () {
+						showReadyScreen(function () {
+							showCountdown(function () {
+								startGame({
+									mode: "story"
+								});
+							});
+						});
+					});
+				}
+			});
+		}
+	});
+};
+// Endless Mode Button
+var endlessBtn = LK.getAsset('endless', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: 2048 / 2,
+	y: buttonStartY + buttonHeight + buttonSpacing,
+	scaleX: 0.18,
+	scaleY: 0.18
+});
+mainMenuContainer.addChild(endlessBtn);
+endlessBtn.down = function (x, y, obj) {
+	LK.getSound('buttonclick').play();
+	LK.stopMusic();
+	tween(endlessBtn, {
+		scaleX: 0.162,
+		scaleY: 0.162
+	}, {
+		duration: 80,
+		easing: tween.easeIn,
+		onFinish: function onFinish() {
+			tween(endlessBtn, {
+				scaleX: 0.18,
+				scaleY: 0.18
+			}, {
+				duration: 120,
+				easing: tween.easeOut,
+				onFinish: function onFinish() {
+					mainMenuContainer.visible = false;
+					gameMode = "endless";
+					showReadyScreen(function () {
+						showCountdown(function () {
+							startGame({
+								mode: "endless"
+							});
+						});
+					});
+				}
+			});
+		}
+	});
+};
+// ... existing code ...
+// === startGame Fonksiyonunu Parametreli Yap ===
+// ... existing code ...
+// defeat ve ana menüye dönünce gameMode'u sıfırla
+function resetGameMode() {
+	gameMode = "story";
+}
+// defeat ekranı ve ana menü butonlarında resetGameMode çağır
+// ... existing code ...
+// === DEBUG: Oyun Modu ve BPM Göstergesi ===
+// Ekranın sol üst köşesine debugText ekle
+var debugText = new Text2('', {
+	size: 24,
+	fill: 0xff00ff
+});
+debugText.anchor.set(0, 0);
+debugText.x = 20;
+debugText.y = 20;
+LK.gui.top.addChild(debugText);
+function updateDebugText() {
+	debugText.setText('MODE: ' + gameMode + ' | BPM: ' + bpm);
+}
+// startGame fonksiyonunun başında ve mod değiştirirken çağır
+// ...
+// === Trail Particle Pool Sistemi ===
+var PARTICLE_POOL_SIZE = 500;
+var particlePool = [];
+for (var i = 0; i < PARTICLE_POOL_SIZE; i++) {
+	var p = createTrailParticle(0, 0, 0xffffff);
+	p.visible = false;
+	p.alpha = 0;
+	particlePool.push(p);
+	gamescreen.addChild(p);
+}
+// Pool'dan particle al
+function getPooledParticle(x, y, color, size) {
+	for (var i = 0; i < particlePool.length; i++) {
+		var p = particlePool[i];
+		if (!p.visible || p.life <= 0) {
+			p.x = x;
+			p.y = y;
+			p.tint = color;
+			p.life = 1.0;
+			p.alpha = 0.5;
+			p.visible = true;
+			p.width = 1;
+			p.height = 1;
+			p.velocityX = 0;
+			p.velocityY = 0;
+			p.fadeSpeed = 0.12;
+			return p;
+		}
+	}
+	return null;
+}
+// createTrailParticle fonksiyonunu sadece pool için kullan
+// updateTrailParticle fonksiyonunu optimize et
\ No newline at end of file