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

/**** 
* Classes
****/ 
var BubbleParticle = Container.expand(function (startX, startY) {
	var self = Container.call(this);
	self.gfx = self.attachAsset('bubbles', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 1 + Math.random() * 0.2,
		// Start with some variation
		scaleX: 1.2 + Math.random() * 0.25,
		// Larger bubbles
		// Bubbles are now 20% to 45% of original asset size
		scaleY: this.scaleX // Keep aspect ratio initially, can be changed in update if desired
	});
	self.x = startX;
	self.y = startY;
	self.vx = (Math.random() - 0.5) * 0.4; // Even slower horizontal drift
	self.vy = -(0.4 + Math.random() * 0.3); // Slower upward movement
	self.life = 120 + Math.random() * 60; // Lifespan in frames (2 to 3 seconds)
	self.age = 0;
	self.isDone = false;
	var initialAlpha = self.gfx.alpha;
	var initialScale = self.gfx.scaleX; // Assuming scaleX and scaleY start the same
	self.update = function () {
		if (self.isDone) {
			return;
		}
		self.age++;
		self.x += self.vx;
		self.y += self.vy;
		// Fade out
		self.gfx.alpha = Math.max(0, initialAlpha * (1 - self.age / self.life));
		// Optionally shrink a bit more, or grow slightly then shrink
		var scaleFactor = 1 - self.age / self.life; // Simple shrink
		self.gfx.scaleX = initialScale * scaleFactor;
		self.gfx.scaleY = initialScale * scaleFactor;
		if (self.age >= self.life || self.gfx.alpha <= 0 || self.gfx.scaleX <= 0.01) {
			self.isDone = true;
		}
	};
	return self;
});
var FeedbackIndicator = Container.expand(function (type) {
	var self = Container.call(this);
	var indicator = self.attachAsset(type + 'Indicator', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	});
	self.show = function () {
		indicator.alpha = 1;
		indicator.scaleX = 0.5;
		indicator.scaleY = 0.5;
		tween(indicator, {
			scaleX: 1.5,
			scaleY: 1.5,
			alpha: 0
		}, {
			duration: 600,
			easing: tween.easeOut
		});
	};
	return self;
});
/**** 
* Title Screen
****/ 
var Fish = Container.expand(function (type, value, speed, lane) {
	var self = Container.call(this);
	var assetName = type + 'Fish';
	self.fishGraphics = self.attachAsset(assetName, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	if (speed > 0) {
		// Moving right (coming from left), flip horizontally
		self.fishGraphics.scaleX = -1;
	}
	self.type = type;
	self.value = value;
	self.speed = speed;
	self.lane = lane; // Index of the lane (0, 1, or 2)
	self.caught = false;
	self.isSpecial = type === 'rare'; // For shimmer effect
	self.shimmerTime = 0;
	// Bubble properties
	self.lastBubbleSpawnTime = 0;
	self.bubbleSpawnInterval = 120 + Math.random() * 80; // 120-200ms interval (fewer bubbles)
	// Add properties for swimming animation
	self.swimTime = Math.random() * Math.PI * 2; // Random starting phase for variety
	self.baseY = self.y; // Store initial Y position
	self.scaleTime = 0;
	self.baseScale = 1;
	self.update = function () {
		if (!self.caught) {
			// Horizontal movement
			self.x += self.speed;
			// Sine wave vertical movement
			self.swimTime += 0.08; // Speed of sine wave oscillation
			var swimAmplitude = 15; // Pixels of vertical movement
			self.y = self.baseY + Math.sin(self.swimTime) * swimAmplitude;
			// Beat-synchronized scale pulsing
			if (GameState.gameActive && GameState.songStartTime > 0) {
				var currentTime = LK.ticks * (1000 / 60);
				var songConfig = GameState.getCurrentSongConfig();
				var beatInterval = 60000 / songConfig.bpm;
				var timeSinceLastBeat = (currentTime - GameState.songStartTime) % beatInterval;
				var beatProgress = timeSinceLastBeat / beatInterval;
				// Create a pulse effect that peaks at the beat
				var scalePulse = 1 + Math.sin(beatProgress * Math.PI) * 0.15; // 15% scale variation
				// Determine base scaleX considering direction
				var baseScaleXDirection = (self.speed > 0 ? -1 : 1) * self.baseScale;
				self.fishGraphics.scaleX = baseScaleXDirection * scalePulse;
				self.fishGraphics.scaleY = scalePulse * self.baseScale;
			}
			if (self.isSpecial) {
				// Shimmer effect for rare fish
				self.shimmerTime += 0.1;
				self.fishGraphics.alpha = 0.8 + Math.sin(self.shimmerTime) * 0.2;
			} else {
				// Reset alpha if not special
				self.fishGraphics.alpha = 1.0;
			}
		}
	};
	self.catchFish = function () {
		self.caught = true;
		// Animation to boat
		tween(self, {
			y: GAME_CONFIG.BOAT_Y,
			// Target Y: boat position
			x: GAME_CONFIG.SCREEN_CENTER_X,
			//{r} // Target X: center of screen (boat position)
			scaleX: 0.5,
			scaleY: 0.5,
			alpha: 0
		}, {
			duration: 600,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				self.destroy();
			}
		});
	};
	return self;
});
var MusicNoteParticle = Container.expand(function (startX, startY) {
	var self = Container.call(this);
	var FADE_IN_DURATION_MS = 600; // Duration for the note to fade in
	var TARGET_ALPHA = 0.6 + Math.random() * 0.4; // Target alpha between 0.6 and 1.0 for variety
	self.gfx = self.attachAsset('musicnote', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0,
		// Start invisible for fade-in
		scaleX: 0.4 + Math.random() * 0.4 // Random initial scale (0.4x to 0.8x)
	});
	self.gfx.scaleY = self.gfx.scaleX; // Maintain aspect ratio
	self.x = startX;
	self.y = startY;
	// Animation properties for lazy floating
	self.vx = (Math.random() - 0.5) * 0.8; // Slow horizontal drift speed
	self.vy = -(0.8 + Math.random() * 0.7); // Steady upward speed (0.8 to 1.5 pixels/frame)
	self.rotationSpeed = (Math.random() - 0.5) * 0.008; // Very slow rotation
	self.life = 240 + Math.random() * 120; // Lifespan in frames (4 to 6 seconds)
	self.age = 0;
	self.isDone = false;
	// Initial fade-in tween
	tween(self.gfx, {
		alpha: TARGET_ALPHA
	}, {
		duration: FADE_IN_DURATION_MS,
		easing: tween.easeOut
	});
	self.update = function () {
		if (self.isDone) {
			return;
		}
		self.age++;
		self.x += self.vx;
		self.y += self.vy;
		self.gfx.rotation += self.rotationSpeed;
		var FADE_IN_TICKS = FADE_IN_DURATION_MS / (1000 / 60); // Fade-in duration in ticks
		// Only manage alpha manually after the fade-in tween is expected to be complete.
		if (self.age > FADE_IN_TICKS) {
			var lifePortionForFadeOut = 0.6; // Use last 60% of life for fade out
			var fadeOutStartTimeTicks = self.life * (1 - lifePortionForFadeOut);
			if (self.age >= fadeOutStartTimeTicks && self.life > fadeOutStartTimeTicks) {
				// ensure self.life > fadeOutStartTimeTicks to avoid division by zero
				var progressInFadeOut = (self.age - fadeOutStartTimeTicks) / (self.life * lifePortionForFadeOut);
				self.gfx.alpha = TARGET_ALPHA * (1 - progressInFadeOut);
				self.gfx.alpha = Math.max(0, self.gfx.alpha); // Clamp at 0
			} else if (self.age <= fadeOutStartTimeTicks) {
				// At this point, the initial fade-in tween to TARGET_ALPHA should have completed.
				// The alpha value is expected to remain at TARGET_ALPHA (as set by the initial tween)
				// until the fade-out logic (in the 'if (self.age >= fadeOutStartTimeTicks)' block) begins.
				// The previous 'tween.isTweening' check was removed as the method does not exist in the plugin.
			}
		}
		// Check if particle's life is over or it has faded out
		if (self.age >= self.life || self.gfx.alpha !== undefined && self.gfx.alpha <= 0.01 && self.age > FADE_IN_TICKS) {
			self.isDone = true;
		}
	};
	return self;
});
var OceanBubbleParticle = Container.expand(function () {
	var self = Container.call(this);
	self.gfx = self.attachAsset('oceanbubbles', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.initialX = Math.random() * 2048;
	var waterTop = GAME_CONFIG.WATER_SURFACE_Y;
	var waterBottom = 2732;
	self.x = self.initialX;
	// Allow bubbles to spawn anywhere in the water, not just below the bottom
	self.y = waterTop + Math.random() * (waterBottom - waterTop);
	var baseScale = 0.1 + Math.random() * 0.4; // Scale: 0.1x to 0.5x
	self.gfx.scale.set(baseScale);
	self.vy = -(0.25 + Math.random() * 0.5); // Upward speed: 0.25 to 0.75 pixels/frame (slower, less variance)
	self.naturalVy = self.vy; // Store natural velocity for recovery
	self.driftAmplitude = 20 + Math.random() * 40; // Sideways drift: 20px to 60px amplitude
	self.naturalDriftAmplitude = self.driftAmplitude; // Store natural drift for recovery
	self.driftFrequency = (0.005 + Math.random() * 0.015) * (Math.random() < 0.5 ? 1 : -1); // Sideways drift speed/direction
	self.driftPhase = Math.random() * Math.PI * 2; // Initial phase for sine wave
	self.rotationSpeed = (Math.random() - 0.5) * 0.01; // Slow random rotation
	var targetAlpha = 0.2 + Math.random() * 0.3; // Max alpha: 0.2 to 0.5 (dimmer background bubbles)
	self.gfx.alpha = 0; // Start transparent
	self.isDone = false;
	self.fadingOut = false;
	tween(self.gfx, {
		alpha: targetAlpha
	}, {
		duration: 1000 + Math.random() * 1000,
		// Slow fade in: 1 to 2 seconds
		easing: tween.easeIn
	});
	self.update = function () {
		if (self.isDone) {
			return;
		}
		self.y += self.vy;
		self.driftPhase += self.driftFrequency;
		self.x = self.initialX + Math.sin(self.driftPhase) * self.driftAmplitude;
		self.gfx.rotation += self.rotationSpeed;
		// Recovery mechanism: gradually return to natural upward movement
		var naturalVy = -(0.25 + Math.random() * 0.5); // Natural upward speed
		var recoveryRate = 0.02; // How quickly bubble recovers (2% per frame)
		// If bubble is moving slower than its natural speed or downward, recover
		if (self.vy > naturalVy) {
			self.vy = self.vy + (naturalVy - self.vy) * recoveryRate;
		}
		// Also gradually reduce excessive drift amplitude back to normal
		var normalDriftAmplitude = 20 + Math.random() * 40;
		if (self.driftAmplitude > normalDriftAmplitude) {
			self.driftAmplitude = self.driftAmplitude + (normalDriftAmplitude - self.driftAmplitude) * recoveryRate;
		}
		// Check if bubble reached surface or went off-screen
		// Use gfx.height * current scale for accurate boundary check
		var currentHeight = self.gfx.height * self.gfx.scale.y;
		var currentWidth = self.gfx.width * self.gfx.scale.x;
		if (!self.fadingOut && self.y <= GAME_CONFIG.WATER_SURFACE_Y - currentHeight * 0.5) {
			self.fadingOut = true;
			tween.stop(self.gfx); // Stop fade-in if ongoing
			tween(self.gfx, {
				alpha: 0
			}, {
				duration: 300 + Math.random() * 200,
				// Quick fade out
				easing: tween.easeOut,
				onFinish: function onFinish() {
					self.isDone = true; // Mark as fully done for removal
				}
			});
		} else if (!self.fadingOut && (self.y < -currentHeight || self.x < -currentWidth || self.x > 2048 + currentWidth)) {
			// Off screen top/sides before reaching surface and starting fade
			self.isDone = true;
			self.gfx.alpha = 0; // Disappear immediately
		}
	};
	return self;
});
var SeaweedParticle = Container.expand(function () {
	var self = Container.call(this);
	self.gfx = self.attachAsset('kelp', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Determine spawn location
	var spawnType = Math.random();
	var waterTop = GAME_CONFIG.WATER_SURFACE_Y;
	var waterBottom = 2732;
	if (spawnType < 0.4) {
		// 40% spawn from bottom
		self.x = Math.random() * 2048;
		self.y = waterBottom + 50;
		self.vx = (Math.random() - 0.5) * 0.3; // Slight horizontal drift
		self.vy = -(0.4 + Math.random() * 0.3); // Upward movement
	} else if (spawnType < 0.7) {
		// 30% spawn from left
		self.x = -50;
		self.y = waterTop + Math.random() * (waterBottom - waterTop);
		self.vx = 0.4 + Math.random() * 0.3; // Rightward movement
		self.vy = -(0.1 + Math.random() * 0.2); // Slight upward drift
	} else {
		// 30% spawn from right
		self.x = 2048 + 50;
		self.y = waterTop + Math.random() * (waterBottom - waterTop);
		self.vx = -(0.4 + Math.random() * 0.3); // Leftward movement
		self.vy = -(0.1 + Math.random() * 0.2); // Slight upward drift
	}
	self.initialX = self.x;
	self.naturalVx = self.vx; // Store natural velocity for recovery
	self.naturalVy = self.vy;
	// Seaweed properties
	var baseScale = 0.6 + Math.random() * 0.6; // Scale: 0.6x to 1.2x
	self.gfx.scale.set(baseScale);
	self.swayAmplitude = 15 + Math.random() * 25; // Sway: 15px to 40px
	self.swayFrequency = (0.003 + Math.random() * 0.007) * (Math.random() < 0.5 ? 1 : -1);
	self.swayPhase = Math.random() * Math.PI * 2;
	self.rotationSpeed = (Math.random() - 0.5) * 0.005; // Very slow rotation
	var targetAlpha = 0.3 + Math.random() * 0.3; // Alpha: 0.3 to 0.6
	self.gfx.alpha = 0; // Start transparent
	self.gfx.tint = 0x4a7c59; // Greenish tint for seaweed
	self.isDone = false;
	self.fadingOut = false;
	self.reachedSurface = false;
	tween(self.gfx, {
		alpha: targetAlpha
	}, {
		duration: 1500 + Math.random() * 1000,
		easing: tween.easeIn
	});
	self.update = function () {
		if (self.isDone) {
			return;
		}
		// Apply movement
		self.x += self.vx;
		self.y += self.vy;
		// Add sway effect
		self.swayPhase += self.swayFrequency;
		var swayOffset = Math.sin(self.swayPhase) * self.swayAmplitude;
		self.gfx.rotation = self.rotationSpeed + swayOffset * 0.001; // Slight rotation based on sway
		// Recovery mechanism for velocity
		var recoveryRate = 0.015;
		if (self.vx !== self.naturalVx) {
			self.vx = self.vx + (self.naturalVx - self.vx) * recoveryRate;
		}
		if (self.vy !== self.naturalVy) {
			self.vy = self.vy + (self.naturalVy - self.vy) * recoveryRate;
		}
		// Check if reached surface
		var currentHeight = self.gfx.height * self.gfx.scale.y;
		var currentWidth = self.gfx.width * self.gfx.scale.x;
		if (!self.reachedSurface && self.y <= GAME_CONFIG.WATER_SURFACE_Y + currentHeight * 0.3) {
			self.reachedSurface = true;
			// Change to horizontal drift at surface
			self.vy = 0;
			self.vx = (Math.random() < 0.5 ? 1 : -1) * (0.5 + Math.random() * 0.5);
			self.naturalVx = self.vx;
			self.naturalVy = 0;
		}
		// Check if off-screen
		if (!self.fadingOut && (self.y < -currentHeight || self.x < -currentWidth || self.x > 2048 + currentWidth || self.y > waterBottom + currentHeight)) {
			self.fadingOut = true;
			tween.stop(self.gfx);
			tween(self.gfx, {
				alpha: 0
			}, {
				duration: 400 + Math.random() * 200,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					self.isDone = true;
				}
			});
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
/**** 
* Screen Containers
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB
});

/**** 
* Game Code
****/ 
/**** 
* Pattern Generation System
****/ 
// If game.up already exists, integrate the 'fishing' case. Otherwise, this defines game.up.
var PatternGenerator = {
	lastLane: -1,
	minDistanceBetweenFish: 300,
	// Used by spawnFish internal check
	// Minimum X distance between fish for visual clarity on hook
	lastActualSpawnTime: -100000,
	// Time of the last actual fish spawn
	getNextLane: function getNextLane() {
		if (this.lastLane === -1) {
			// First fish, start in middle lane
			this.lastLane = 1;
			return 1;
		}
		// Prefer staying in same lane or moving to adjacent lane
		var possibleLanes = [this.lastLane];
		// Add adjacent lanes
		if (this.lastLane > 0) {
			possibleLanes.push(this.lastLane - 1);
		}
		if (this.lastLane < 2) {
			possibleLanes.push(this.lastLane + 1);
		}
		// 70% chance to stay in same/adjacent lane
		if (Math.random() < 0.7) {
			this.lastLane = possibleLanes[Math.floor(Math.random() * possibleLanes.length)];
		} else {
			// 30% chance for any lane
			this.lastLane = Math.floor(Math.random() * 3);
		}
		return this.lastLane;
	},
	// New method: Checks if enough time has passed since the last spawn.
	canSpawnFishOnBeat: function canSpawnFishOnBeat(currentTime, configuredSpawnInterval) {
		var timeSinceLast = currentTime - this.lastActualSpawnTime;
		var minRequiredGap = configuredSpawnInterval; // Default gap is the song's beat interval for fish
		return timeSinceLast >= minRequiredGap;
	},
	// New method: Registers details of the fish that was just spawned.
	registerFishSpawn: function registerFishSpawn(spawnTime) {
		this.lastActualSpawnTime = spawnTime;
	},
	reset: function reset() {
		this.lastLane = -1;
		this.lastActualSpawnTime = -100000; // Set far in the past to allow first spawn
	}
};
/**** 
* Game Configuration
****/ 
game.up = function (x, y, obj) {
	// Note: We don't play buttonClick sound on 'up' typically, only on 'down'.
	switch (GameState.currentScreen) {
		case 'title':
			// title screen up actions (if any)
			break;
		case 'levelSelect':
			// level select screen up actions (if any, usually 'down' is enough for buttons)
			break;
		case 'fishing':
			handleFishingInput(x, y, false); // false for isUp
			break;
		case 'results':
			// results screen up actions (if any)
			break;
	}
};
var GAME_CONFIG = {
	SCREEN_CENTER_X: 1024,
	SCREEN_CENTER_Y: 900,
	// Adjusted, though less critical with lanes
	BOAT_Y: 710,
	// Original 300 + 273 (10%) + 137 (5%) = 710
	WATER_SURFACE_Y: 760,
	// Original 350 + 273 (10%) + 137 (5%) = 760
	// 3 Lane System
	// Y-positions for each lane, adjusted downwards further
	LANES: [{
		y: 1133,
		// Top lane Y: (723 + 273) + 137 = 996 + 137 = 1133
		name: "shallow"
	}, {
		y: 1776,
		// Middle lane Y: (996 + 643) + 137 = 1639 + 137 = 1776
		name: "medium"
	}, {
		y: 2419,
		// Bottom lane Y: (1639 + 643) + 137 = 2282 + 137 = 2419
		name: "deep"
	}],
	// Timing windows
	PERFECT_WINDOW: 40,
	GOOD_WINDOW: 80,
	MISS_WINDOW: 120,
	// Depth levels - reduced money values!
	DEPTHS: [{
		level: 1,
		name: "Shallow Waters",
		fishSpeed: 6,
		fishValue: 0.5,
		upgradeCost: 0,
		// Starting depth
		songs: [{
			name: "Gentle Waves",
			bpm: 90,
			// Changed from 95 to 90
			duration: 202000,
			// 3:22
			pattern: "gentle_waves_custom",
			cost: 0
		}, {
			name: "Morning Tide",
			bpm: 90,
			duration: 75000,
			pattern: "simple",
			cost: 50,
			musicId: 'morningtide'
		}]
	}, {
		level: 2,
		name: "Mid Waters",
		fishSpeed: 7,
		fishValue: 1.5,
		upgradeCost: 100,
		songs: [{
			name: "Ocean Current",
			bpm: 120,
			duration: 90000,
			pattern: "medium",
			cost: 0
		}, {
			name: "Deep Flow",
			bpm: 125,
			duration: 100000,
			pattern: "medium",
			cost: 150
		}]
	}, {
		level: 3,
		name: "Deep Waters",
		fishSpeed: 8,
		fishValue: 3,
		upgradeCost: 400,
		songs: [{
			name: "Storm Surge",
			bpm: 140,
			duration: 120000,
			pattern: "complex",
			cost: 0
		}, {
			name: "Whirlpool",
			bpm: 150,
			duration: 135000,
			pattern: "complex",
			cost: 300
		}]
	}, {
		level: 4,
		name: "Abyss",
		fishSpeed: 9,
		fishValue: 6,
		upgradeCost: 1000,
		songs: [{
			name: "Leviathan",
			bpm: 160,
			duration: 150000,
			pattern: "expert",
			cost: 0
		}, {
			name: "Deep Trench",
			bpm: 170,
			duration: 180000,
			pattern: "expert",
			cost: 600
		}]
	}],
	// Updated patterns
	PATTERNS: {
		simple: {
			beatsPerFish: 2,
			// Increased from 1 - fish every 2 beats
			doubleSpawnChance: 0.10,
			// 10% chance of a double beat in simple
			rareSpawnChance: 0.02
		},
		medium: {
			beatsPerFish: 1.5,
			// Increased from 0.75
			doubleSpawnChance: 0.15,
			//{1R} // 15% chance of a double beat
			rareSpawnChance: 0.05
		},
		complex: {
			beatsPerFish: 1,
			// Increased from 0.5
			doubleSpawnChance: 0.25,
			//{1U} // 25% chance of a double beat
			rareSpawnChance: 0.08
		},
		expert: {
			beatsPerFish: 0.75,
			// Increased from 0.25
			doubleSpawnChance: 0.35,
			//{1X} // 35% chance of a double beat
			tripletSpawnChance: 0.20,
			// 20% chance a double beat becomes a triplet
			rareSpawnChance: 0.12
		},
		gentle_waves_custom: {
			beatsPerFish: 1.5,
			// Slightly more frequent than default simple
			doubleSpawnChance: 0.05,
			// Very rare double beats for shallow
			rareSpawnChance: 0.01,
			// Almost no rare fish
			// Custom timing sections based on the musical structure
			sections: [
			// Opening - Simple chord pattern (0-30 seconds)
			{
				startTime: 0,
				endTime: 30000,
				spawnModifier: 1.0,
				// Normal spawn rate
				description: "steady_chords"
			},
			// Melody Introduction (30-60 seconds) 
			{
				startTime: 30000,
				endTime: 60000,
				spawnModifier: 0.9,
				// Slightly fewer fish
				description: "simple_melody"
			},
			// Development (60-120 seconds) - Gets a bit busier
			{
				startTime: 60000,
				endTime: 120000,
				spawnModifier: 1.1,
				// Slightly more fish
				description: "melody_development"
			},
			// Climax (120-180 seconds) - Busiest section but still shallow
			{
				startTime: 120000,
				endTime: 180000,
				spawnModifier: 1.3,
				// More fish, but not overwhelming
				description: "gentle_climax"
			},
			// Ending (180-202 seconds) - Calming down
			{
				startTime: 180000,
				endTime: 202000,
				spawnModifier: 0.8,
				// Fewer fish for gentle ending
				description: "peaceful_ending"
			}]
		}
	}
};
/**** 
* Game State Management
****/ 
var MULTI_BEAT_SPAWN_DELAY_MS = 250; // ms delay for sequential spawns in multi-beats (increased for more space)
var TRIPLET_BEAT_SPAWN_DELAY_MS = 350; // ms delay for third fish in a triplet (even more space)
var GameState = {
	// Game flow
	currentScreen: 'title',
	// 'title', 'levelSelect', 'fishing', 'results'
	// Player progression
	currentDepth: 0,
	money: 0,
	totalFishCaught: 0,
	ownedSongs: [],
	// Array of {depth, songIndex} objects
	// Level selection
	selectedDepth: 0,
	selectedSong: 0,
	// Current session
	sessionScore: 0,
	sessionFishCaught: 0,
	sessionFishSpawned: 0,
	combo: 0,
	maxCombo: 0,
	// Game state
	gameActive: false,
	songStartTime: 0,
	lastBeatTime: 0,
	beatCount: 0,
	introPlaying: false,
	// Tracks if the intro animation is currently playing
	musicNotesActive: false,
	// Tracks if music note particle system is active
	currentPlayingMusicId: 'rhythmTrack',
	// ID of the music track currently playing in a session
	currentPlayingMusicInitialVolume: 0.8,
	// Initial volume of the current music track for fade reference
	hookTargetLaneIndex: 1,
	// Start with hook targeting the middle lane (index 1)
	// Initialize owned songs (first song of each unlocked depth is free)
	initOwnedSongs: function initOwnedSongs() {
		this.ownedSongs = [];
		for (var i = 0; i <= this.currentDepth; i++) {
			this.ownedSongs.push({
				depth: i,
				songIndex: 0
			});
		}
	},
	hasSong: function hasSong(depth, songIndex) {
		return this.ownedSongs.some(function (song) {
			return song.depth === depth && song.songIndex === songIndex;
		});
	},
	buySong: function buySong(depth, songIndex) {
		var song = GAME_CONFIG.DEPTHS[depth].songs[songIndex];
		if (this.money >= song.cost && !this.hasSong(depth, songIndex)) {
			this.money -= song.cost;
			this.ownedSongs.push({
				depth: depth,
				songIndex: songIndex
			});
			return true;
		}
		return false;
	},
	getCurrentDepthConfig: function getCurrentDepthConfig() {
		return GAME_CONFIG.DEPTHS[this.selectedDepth];
	},
	getCurrentSongConfig: function getCurrentSongConfig() {
		return GAME_CONFIG.DEPTHS[this.selectedDepth].songs[this.selectedSong];
	},
	canUpgrade: function canUpgrade() {
		var nextDepth = GAME_CONFIG.DEPTHS[this.currentDepth + 1];
		return nextDepth && this.money >= nextDepth.upgradeCost;
	},
	upgrade: function upgrade() {
		if (this.canUpgrade()) {
			var nextDepth = GAME_CONFIG.DEPTHS[this.currentDepth + 1];
			this.money -= nextDepth.upgradeCost;
			this.currentDepth++;
			// Give free first song of new depth
			this.ownedSongs.push({
				depth: this.currentDepth,
				songIndex: 0
			});
			return true;
		}
		return false;
	}
};
var titleScreen = game.addChild(new Container());
var levelSelectScreen = game.addChild(new Container());
var fishingScreen = game.addChild(new Container());
var resultsScreen = game.addChild(new Container());
// Initialize
GameState.initOwnedSongs();
/**** 
* Title Screen
****/ 
function createTitleScreen() {
	var titleBg = titleScreen.addChild(LK.getAsset('screenBackground', {
		x: 0,
		y: 0,
		alpha: 0.3
	}));
	// Logo
	var logo = new Text2('BEAT FISHER', {
		size: 150,
		fill: 0xFFFFFF
	});
	logo.anchor.set(0.5, 0.5);
	logo.x = GAME_CONFIG.SCREEN_CENTER_X;
	logo.y = 600;
	titleScreen.addChild(logo);
	var subtitle = new Text2('Rhythm Fishing Adventure', {
		size: 60,
		fill: 0x4FC3F7
	});
	subtitle.anchor.set(0.5, 0.5);
	subtitle.x = GAME_CONFIG.SCREEN_CENTER_X;
	subtitle.y = 700;
	titleScreen.addChild(subtitle);
	// Start button
	var startButton = titleScreen.addChild(LK.getAsset('bigButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: GAME_CONFIG.SCREEN_CENTER_X,
		y: 1000
	}));
	var startText = new Text2('START', {
		size: 50,
		fill: 0xFFFFFF
	});
	startText.anchor.set(0.5, 0.5);
	startText.x = GAME_CONFIG.SCREEN_CENTER_X;
	startText.y = 1000;
	titleScreen.addChild(startText);
	// Tutorial button
	var tutorialButton = titleScreen.addChild(LK.getAsset('button', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: GAME_CONFIG.SCREEN_CENTER_X,
		y: 1150,
		tint: 0x757575
	}));
	var tutorialText = new Text2('TUTORIAL', {
		size: 40,
		fill: 0xFFFFFF
	});
	tutorialText.anchor.set(0.5, 0.5);
	tutorialText.x = GAME_CONFIG.SCREEN_CENTER_X;
	tutorialText.y = 1150;
	titleScreen.addChild(tutorialText);
	return {
		startButton: startButton,
		tutorialButton: tutorialButton
	};
}
/**** 
* Level Select Screen
****/ 
function createLevelSelectScreen() {
	var selectBg = levelSelectScreen.addChild(LK.getAsset('screenBackground', {
		x: 0,
		y: 0,
		alpha: 0.8
	}));
	// Title
	var title = new Text2('SELECT FISHING SPOT', {
		size: 80,
		fill: 0xFFFFFF
	});
	title.anchor.set(0.5, 0.5);
	title.x = GAME_CONFIG.SCREEN_CENTER_X;
	title.y = 200;
	levelSelectScreen.addChild(title);
	// Money display
	var moneyDisplay = new Text2('Money: $0', {
		size: 60,
		fill: 0xFFD700
	});
	moneyDisplay.anchor.set(1, 0);
	moneyDisplay.x = 1900;
	moneyDisplay.y = 100;
	levelSelectScreen.addChild(moneyDisplay);
	// Depth tabs (will be created dynamically)
	var depthTabs = [];
	// Song display area
	var songCard = levelSelectScreen.addChild(LK.getAsset('songCard', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: GAME_CONFIG.SCREEN_CENTER_X,
		y: 700
	}));
	// Song navigation arrows
	var leftArrow = levelSelectScreen.addChild(LK.getAsset('button', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 400,
		y: 700,
		tint: 0x666666
	}));
	var leftArrowText = new Text2('<', {
		size: 60,
		fill: 0xFFFFFF
	});
	leftArrowText.anchor.set(0.5, 0.5);
	leftArrowText.x = 400;
	leftArrowText.y = 700;
	levelSelectScreen.addChild(leftArrowText);
	var rightArrow = levelSelectScreen.addChild(LK.getAsset('button', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 1648,
		y: 700,
		tint: 0x666666
	}));
	var rightArrowText = new Text2('>', {
		size: 60,
		fill: 0xFFFFFF
	});
	rightArrowText.anchor.set(0.5, 0.5);
	rightArrowText.x = 1648;
	rightArrowText.y = 700;
	levelSelectScreen.addChild(rightArrowText);
	// Song info (will be updated dynamically)
	var songTitle = new Text2('Song Title', {
		size: 50,
		fill: 0xFFFFFF
	});
	songTitle.anchor.set(0.5, 0.5);
	songTitle.x = GAME_CONFIG.SCREEN_CENTER_X;
	songTitle.y = 650;
	levelSelectScreen.addChild(songTitle);
	var songInfo = new Text2('BPM: 120 | Duration: 2:00', {
		size: 30,
		fill: 0xCCCCCC
	});
	songInfo.anchor.set(0.5, 0.5);
	songInfo.x = GAME_CONFIG.SCREEN_CENTER_X;
	songInfo.y = 700;
	levelSelectScreen.addChild(songInfo);
	var songEarnings = new Text2('Potential Earnings: $50-100', {
		size: 30,
		fill: 0x4CAF50
	});
	songEarnings.anchor.set(0.5, 0.5);
	songEarnings.x = GAME_CONFIG.SCREEN_CENTER_X;
	songEarnings.y = 730;
	levelSelectScreen.addChild(songEarnings);
	// Play/Buy button
	var playButton = levelSelectScreen.addChild(LK.getAsset('bigButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: GAME_CONFIG.SCREEN_CENTER_X,
		y: 900
	}));
	var playButtonText = new Text2('PLAY', {
		size: 50,
		fill: 0xFFFFFF
	});
	playButtonText.anchor.set(0.5, 0.5);
	playButtonText.x = GAME_CONFIG.SCREEN_CENTER_X;
	playButtonText.y = 900;
	levelSelectScreen.addChild(playButtonText);
	// Shop button
	var shopButton = levelSelectScreen.addChild(LK.getAsset('button', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: GAME_CONFIG.SCREEN_CENTER_X,
		y: 1100,
		tint: 0x2e7d32
	}));
	var shopButtonText = new Text2('UPGRADE ROD', {
		size: 40,
		fill: 0xFFFFFF
	});
	shopButtonText.anchor.set(0.5, 0.5);
	shopButtonText.x = GAME_CONFIG.SCREEN_CENTER_X;
	shopButtonText.y = 1100;
	levelSelectScreen.addChild(shopButtonText);
	// Back button
	var backButton = levelSelectScreen.addChild(LK.getAsset('button', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 200,
		y: 200,
		tint: 0x757575
	}));
	var backButtonText = new Text2('BACK', {
		size: 40,
		fill: 0xFFFFFF
	});
	backButtonText.anchor.set(0.5, 0.5);
	backButtonText.x = 200;
	backButtonText.y = 200;
	levelSelectScreen.addChild(backButtonText);
	return {
		moneyDisplay: moneyDisplay,
		depthTabs: depthTabs,
		leftArrow: leftArrow,
		rightArrow: rightArrow,
		songTitle: songTitle,
		songInfo: songInfo,
		songEarnings: songEarnings,
		playButton: playButton,
		playButtonText: playButtonText,
		shopButton: shopButton,
		shopButtonText: shopButtonText,
		backButton: backButton
	};
}
/**** 
* Fishing Screen
****/ 
function createFishingScreen() {
	// Sky background - should be added first to be behind everything else
	var sky = fishingScreen.addChild(LK.getAsset('skybackground', {
		x: 0,
		y: -500
	}));
	// Water background
	var water = fishingScreen.addChild(LK.getAsset('water', {
		x: 0,
		y: GAME_CONFIG.WATER_SURFACE_Y,
		width: 2048,
		height: 2732 - GAME_CONFIG.WATER_SURFACE_Y
	}));
	// Create a container for ambient ocean bubbles (from bottom of screen)
	// This should be layered above the 'water' background, but below fish, boat, etc.
	globalOceanBubbleContainer = fishingScreen.addChild(new Container());
	// Create a container for seaweed particles
	globalSeaweedContainer = fishingScreen.addChild(new Container());
	// Create a container for bubbles to render them behind fish and other elements
	bubbleContainer = fishingScreen.addChild(new Container());
	// Create a container for music notes
	musicNotesContainer = fishingScreen.addChild(new Container());
	// Music notes should visually appear to come from the boat area, so their container
	// should ideally be layered accordingly. Adding it here means it's on top of water,
	// but if boat/fisherman are added later, notes might appear behind them if not managed.
	// For now, notes will be added to this container, which itself is added to fishingScreen.
	// Animated Water Surface segments code
	var waterSurfaceSegments = []; // This will be populated for returning and cleanup
	var waterSurfaceSegmentsBlueTemp = []; // Temporary array for blue segments
	var waterSurfaceSegmentsWhiteTemp = []; // Temporary array for white segments
	var NUM_WAVE_SEGMENTS = 32;
	var SEGMENT_WIDTH = 2048 / NUM_WAVE_SEGMENTS;
	var SEGMENT_HEIGHT = 24;
	var WAVE_AMPLITUDE = 12;
	var WAVE_HALF_PERIOD_MS = 2500;
	var PHASE_DELAY_MS_PER_SEGMENT = WAVE_HALF_PERIOD_MS * 2 / NUM_WAVE_SEGMENTS;
	// Create blue segments (assets only, not added to fishingScreen yet)
	for (var i = 0; i < NUM_WAVE_SEGMENTS; i++) {
		var segment = LK.getAsset('waterSurface', {
			x: i * SEGMENT_WIDTH,
			y: GAME_CONFIG.WATER_SURFACE_Y,
			width: SEGMENT_WIDTH + 1,
			height: SEGMENT_HEIGHT,
			anchorX: 0,
			anchorY: 0.5,
			alpha: 0.8,
			tint: 0x4fc3f7
		});
		segment.baseY = GAME_CONFIG.WATER_SURFACE_Y;
		// Animation functions will be defined and started by startWaterSurfaceAnimationFunc
		waterSurfaceSegmentsBlueTemp.push(segment);
	}
	// Create white segments (assets only, not added to fishingScreen yet)
	for (var i = 0; i < NUM_WAVE_SEGMENTS; i++) {
		var whiteSegment = LK.getAsset('waterSurface', {
			x: i * SEGMENT_WIDTH,
			y: GAME_CONFIG.WATER_SURFACE_Y - SEGMENT_HEIGHT / 2,
			width: SEGMENT_WIDTH + 1,
			height: SEGMENT_HEIGHT / 2,
			anchorX: 0,
			anchorY: 0.5,
			alpha: 0.6,
			tint: 0xffffff
		});
		whiteSegment.baseY = GAME_CONFIG.WATER_SURFACE_Y - SEGMENT_HEIGHT / 2;
		// Animation functions will be defined and started by startWaterSurfaceAnimationFunc
		waterSurfaceSegmentsWhiteTemp.push(whiteSegment);
	}
	// Boat - Add this to fishingScreen first
	var boat = fishingScreen.addChild(LK.getAsset('boat', {
		anchorX: 0.5,
		anchorY: 0.74,
		x: GAME_CONFIG.SCREEN_CENTER_X,
		y: GAME_CONFIG.WATER_SURFACE_Y
	}));
	// Now add the water segments to fishingScreen, so they render on top of the boat
	for (var i = 0; i < waterSurfaceSegmentsBlueTemp.length; i++) {
		fishingScreen.addChild(waterSurfaceSegmentsBlueTemp[i]);
		waterSurfaceSegments.push(waterSurfaceSegmentsBlueTemp[i]); // Also add to the main array for cleanup
	}
	for (var i = 0; i < waterSurfaceSegmentsWhiteTemp.length; i++) {
		fishingScreen.addChild(waterSurfaceSegmentsWhiteTemp[i]);
		waterSurfaceSegments.push(waterSurfaceSegmentsWhiteTemp[i]); // Also add to the main array for cleanup
	}
	// Create separate fisherman container that will sync with boat movement
	var fishermanContainer = fishingScreen.addChild(new Container());
	// Fisherman (now in its own container, positioned to match boat)
	var fisherman = fishermanContainer.addChild(LK.getAsset('fisherman', {
		anchorX: 0.5,
		anchorY: 1,
		x: GAME_CONFIG.SCREEN_CENTER_X - 100,
		y: GAME_CONFIG.WATER_SURFACE_Y - 70
	}));
	// Store references for wave animation sync
	var boatBaseY = boat.y;
	var fishermanBaseY = fishermanContainer.y;
	var boatWaveAmplitude = 10;
	var boatWaveHalfCycleDuration = 2000;
	// SINGLE ANIMATED FISHING LINE
	var initialHookY = GAME_CONFIG.LANES[1].y;
	var fishingLineStartY = -100;
	var line = fishingScreen.addChild(LK.getAsset('fishingLine', {
		anchorX: 0.5,
		anchorY: 0,
		x: GAME_CONFIG.SCREEN_CENTER_X,
		y: GAME_CONFIG.WATER_SURFACE_Y + fishingLineStartY,
		width: 6,
		height: initialHookY - (GAME_CONFIG.WATER_SURFACE_Y + fishingLineStartY)
	}));
	var hook = fishingScreen.addChild(LK.getAsset('hook', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: GAME_CONFIG.SCREEN_CENTER_X,
		y: initialHookY
	}));
	hook.originalY = initialHookY;
	var lineWaveAmplitude = 12;
	var lineWaveSpeed = 0.03;
	var linePhaseOffset = 0;
	function updateFishingLineWave() {
		linePhaseOffset += lineWaveSpeed;
		var rodTipX = fishermanContainer.x + fisherman.x + 85;
		var rodTipY = fishermanContainer.y + fisherman.y - fisherman.height;
		var waveOffset = Math.sin(linePhaseOffset) * lineWaveAmplitude;
		line.x = rodTipX + waveOffset * 0.3;
		line.y = rodTipY;
		hook.x = rodTipX + waveOffset;
		var hookAttachX = hook.x;
		var hookAttachY = hook.y - hook.height / 2;
		var deltaX = hookAttachX - line.x;
		var deltaY = hookAttachY - line.y;
		var actualLineLength = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
		line.height = actualLineLength;
		if (actualLineLength > 0.001) {
			line.rotation = Math.atan2(deltaY, deltaX) - Math.PI / 2;
		} else {
			line.rotation = 0;
		}
		hook.rotation = line.rotation;
	}
	// Calculate target positions for boat wave animation
	var targetUpY = boatBaseY - boatWaveAmplitude;
	var targetDownY = boatBaseY + boatWaveAmplitude;
	var fishermanTargetUpY = fishermanBaseY - boatWaveAmplitude;
	var fishermanTargetDownY = fishermanBaseY + boatWaveAmplitude;
	// Synchronized wave animation functions (defined here to be closured)
	function moveBoatAndFishermanUp() {
		if (!boat || boat.destroyed || !fishermanContainer || fishermanContainer.destroyed) {
			return;
		}
		tween(boat, {
			y: targetUpY
		}, {
			duration: boatWaveHalfCycleDuration,
			easing: tween.easeInOut,
			onFinish: moveBoatAndFishermanDown
		});
		tween(fishermanContainer, {
			y: fishermanTargetUpY
		}, {
			duration: boatWaveHalfCycleDuration,
			easing: tween.easeInOut
		});
	}
	function moveBoatAndFishermanDown() {
		if (!boat || boat.destroyed || !fishermanContainer || fishermanContainer.destroyed) {
			return;
		}
		tween(boat, {
			y: targetDownY
		}, {
			duration: boatWaveHalfCycleDuration,
			easing: tween.easeInOut,
			onFinish: moveBoatAndFishermanUp
		});
		tween(fishermanContainer, {
			y: fishermanTargetDownY
		}, {
			duration: boatWaveHalfCycleDuration,
			easing: tween.easeInOut
		});
	}
	var boatRotationAmplitude = 0.03;
	var boatRotationDuration = 3000;
	function rockBoatLeft() {
		if (!boat || boat.destroyed || !fisherman || fisherman.destroyed) {
			return;
		}
		tween(boat, {
			rotation: -boatRotationAmplitude
		}, {
			duration: boatRotationDuration,
			easing: tween.easeInOut,
			onFinish: rockBoatRight
		});
		tween(fisherman, {
			rotation: boatRotationAmplitude
		}, {
			duration: boatRotationDuration,
			easing: tween.easeInOut
		});
	}
	function rockBoatRight() {
		if (!boat || boat.destroyed || !fisherman || fisherman.destroyed) {
			return;
		}
		tween(boat, {
			rotation: boatRotationAmplitude
		}, {
			duration: boatRotationDuration,
			easing: tween.easeInOut,
			onFinish: rockBoatLeft
		});
		tween(fisherman, {
			rotation: -boatRotationAmplitude
		}, {
			duration: boatRotationDuration,
			easing: tween.easeInOut
		});
	}
	// Function to start/restart water surface animations
	function startWaterSurfaceAnimationFunc() {
		var allSegments = waterSurfaceSegments; // Use the populated array from fishingElements via closure
		for (var k = 0; k < allSegments.length; k++) {
			var segment = allSegments[k];
			if (!segment || segment.destroyed) {
				continue;
			}
			var segmentIndexForDelay = k % NUM_WAVE_SEGMENTS;
			(function (currentLocalSegment, currentLocalSegmentIndexForDelay) {
				var animUp, animDown;
				animDown = function animDown() {
					if (!currentLocalSegment || currentLocalSegment.destroyed) {
						return;
					}
					tween(currentLocalSegment, {
						y: currentLocalSegment.baseY + WAVE_AMPLITUDE
					}, {
						duration: WAVE_HALF_PERIOD_MS,
						easing: tween.easeInOut,
						onFinish: animUp
					});
				};
				animUp = function animUp() {
					if (!currentLocalSegment || currentLocalSegment.destroyed) {
						return;
					}
					tween(currentLocalSegment, {
						y: currentLocalSegment.baseY - WAVE_AMPLITUDE
					}, {
						duration: WAVE_HALF_PERIOD_MS,
						easing: tween.easeInOut,
						onFinish: animDown
					});
				};
				LK.setTimeout(function () {
					if (!currentLocalSegment || currentLocalSegment.destroyed) {
						return;
					}
					tween(currentLocalSegment, {
						y: currentLocalSegment.baseY - WAVE_AMPLITUDE
					}, {
						// Initial move up
						duration: WAVE_HALF_PERIOD_MS,
						easing: tween.easeInOut,
						onFinish: animDown
					});
				}, currentLocalSegmentIndexForDelay * PHASE_DELAY_MS_PER_SEGMENT);
			})(segment, segmentIndexForDelay);
		}
	}
	// Function to start/restart boat and fisherman animations
	function startBoatAndFishermanAnimationFunc() {
		if (boat && !boat.destroyed && fishermanContainer && !fishermanContainer.destroyed) {
			tween(boat, {
				y: targetUpY
			}, {
				duration: boatWaveHalfCycleDuration / 2,
				easing: tween.easeOut,
				onFinish: moveBoatAndFishermanDown
			});
			tween(fishermanContainer, {
				y: fishermanTargetUpY
			}, {
				duration: boatWaveHalfCycleDuration / 2,
				easing: tween.easeOut
			});
			rockBoatLeft();
		}
	}
	// UI elements (from existing)
	var scoreText = new Text2('Score: 0', {
		size: 70,
		fill: 0xFFFFFF
	});
	scoreText.anchor.set(1, 0);
	scoreText.x = 2048 - 50;
	scoreText.y = 50;
	fishingScreen.addChild(scoreText);
	var fishText = new Text2('Fish: 0/0', {
		size: 55,
		fill: 0xFFFFFF
	});
	fishText.anchor.set(1, 0);
	fishText.x = 2048 - 50;
	fishText.y = 140;
	fishingScreen.addChild(fishText);
	var comboText = new Text2('Combo: 0', {
		size: 55,
		fill: 0xFF9800
	});
	comboText.anchor.set(1, 0);
	comboText.x = 2048 - 50;
	comboText.y = 210;
	fishingScreen.addChild(comboText);
	var progressText = new Text2('0:00 / 0:00', {
		size: 50,
		fill: 0x4FC3F7
	});
	progressText.anchor.set(1, 0);
	progressText.x = 2048 - 50;
	progressText.y = 280;
	fishingScreen.addChild(progressText);
	return {
		boat: boat,
		fishermanContainer: fishermanContainer,
		fisherman: fisherman,
		hook: hook,
		line: line,
		updateFishingLineWave: updateFishingLineWave,
		scoreText: scoreText,
		fishText: fishText,
		comboText: comboText,
		progressText: progressText,
		waterSurfaceSegments: waterSurfaceSegments,
		bubbleContainer: bubbleContainer,
		musicNotesContainer: musicNotesContainer,
		startWaterSurfaceAnimation: startWaterSurfaceAnimationFunc,
		startBoatAndFishermanAnimation: startBoatAndFishermanAnimationFunc
	};
}
/**** 
* Initialize Screen Elements
****/ 
var titleElements = createTitleScreen();
var levelSelectElements = createLevelSelectScreen();
var fishingElements = createFishingScreen();
// Feedback indicators are now created on-demand by the showFeedback function.
// The global feedbackIndicators object is no longer needed.
// Game variables
var fishArray = [];
var bubblesArray = [];
var bubbleContainer; // Container for bubbles, initialized in createFishingScreen
var musicNotesArray = [];
var musicNotesContainer; // Container for music notes
var musicNoteSpawnCounter = 0;
var MUSIC_NOTE_SPAWN_INTERVAL_TICKS = 45; // Spawn a note roughly every 0.75 seconds
// Ocean Bubbles (ambient background)
var globalOceanBubblesArray = [];
var globalOceanBubbleContainer;
var globalOceanBubbleSpawnCounter = 0;
// Increase interval to reduce amount (higher = less frequent)
var OCEAN_BUBBLE_SPAWN_INTERVAL_TICKS = 40; // Spawn new ocean bubbles roughly every 2/3 second (was 20)
// Seaweed particles (ambient background)
var globalSeaweedArray = [];
var globalSeaweedContainer;
var globalSeaweedSpawnCounter = 0;
var SEAWEED_SPAWN_INTERVAL_TICKS = 120; // Spawn seaweed less frequently than bubbles
/**** 
* Input State and Helpers for Fishing
****/ 
var inputState = {
	touching: false,
	// Is the screen currently being touched?
	touchLane: -1,
	// Which lane was the touch initiated in? (0, 1, 2)
	touchStartTime: 0 // Timestamp of when the touch started (LK.ticks based)
};
// Helper function to determine which lane a Y coordinate falls into
function getTouchLane(y) {
	// Define boundaries based on the midpoints between lane Y coordinates
	// These are calculated from GAME_CONFIG.LANES[i].y values
	// Lane 0: y = 723
	// Lane 1: y = 1366
	// Lane 2: y = 2009
	var boundary_lane0_lane1 = (GAME_CONFIG.LANES[0].y + GAME_CONFIG.LANES[1].y) / 2; // Approx 1044.5
	var boundary_lane1_lane2 = (GAME_CONFIG.LANES[1].y + GAME_CONFIG.LANES[2].y) / 2; // Approx 1687.5
	if (y < boundary_lane0_lane1) {
		return 0; // Top lane (e.g., shallow)
	} else if (y < boundary_lane1_lane2) {
		return 1; // Middle lane (e.g., medium)
	} else {
		return 2; // Bottom lane (e.g., deep)
	}
}
// Shows feedback (perfect, good, miss) at the specified lane
// Shows feedback (perfect, good, miss) at the specified lane
function showFeedback(type, laneIndex) {
	var feedbackY = GAME_CONFIG.LANES[laneIndex].y;
	var indicator = new FeedbackIndicator(type); // Creates a new indicator e.g. FeedbackIndicator('perfect')
	// Position feedback at the single hook's X coordinate and the fish's lane Y
	indicator.x = fishingElements.hook.x; // Use the single hook's X
	indicator.y = feedbackY; // Feedback appears at the fish's lane Y
	fishingScreen.addChild(indicator);
	indicator.show(); // Triggers the animation and self-destruction
}
// Animates the hook in a specific lane after a catch attempt
// Animates the single hook after a catch attempt
function animateHookCatch() {
	var hook = fishingElements.hook;
	// We need a stable originalY. The hook.originalY might change if we re-assign it during tweens.
	// Let's use the target Y of the current fish lane for the "resting" position after animation.
	var restingY = GAME_CONFIG.LANES[GameState.hookTargetLaneIndex].y;
	// Quick bobbing animation for the single hook
	tween(hook, {
		y: restingY - 30
	}, {
		duration: 150,
		easing: tween.easeOut,
		onFinish: function onFinish() {
			tween(hook, {
				y: restingY
			}, {
				duration: 150,
				easing: tween.easeIn,
				onFinish: function onFinish() {
					// Ensure originalY reflects the current target lane after animation.
					hook.originalY = restingY;
				}
			});
		}
	});
}
// Handles input specifically for the fishing screen (down and up events)
function handleFishingInput(x, y, isDown) {
	if (!GameState.gameActive) {
		return;
	}
	var currentTime = LK.ticks * (1000 / 60); // Current time in ms
	if (isDown) {
		// Touch started
		inputState.touching = true;
		inputState.touchLane = getTouchLane(y);
		inputState.touchStartTime = currentTime;
		// A normal tap action will be processed on 'up'.
	} else {
		// Touch ended (isUp)
		if (inputState.touching) {
			// This was a normal tap.
			checkCatch(inputState.touchLane);
		}
		inputState.touching = false;
	}
}
/**** 
* Screen Management
****/ 
function showScreen(screenName) {
	titleScreen.visible = false;
	levelSelectScreen.visible = false;
	fishingScreen.visible = false;
	resultsScreen.visible = false;
	GameState.currentScreen = screenName;
	switch (screenName) {
		case 'title':
			titleScreen.visible = true;
			break;
		case 'levelSelect':
			levelSelectScreen.visible = true;
			updateLevelSelectScreen();
			break;
		case 'fishing':
			fishingScreen.visible = true;
			playIntroAnimation(); // Play the intro sequence
			break;
		case 'results':
			resultsScreen.visible = true;
			break;
	}
}
/**** 
* Intro Animation
****/ 
function playIntroAnimation() {
	GameState.introPlaying = true;
	GameState.gameActive = false;
	// Start animations for water, boat, and fisherman at the beginning of the intro
	if (fishingElements) {
		if (typeof fishingElements.startWaterSurfaceAnimation === 'function') {
			fishingElements.startWaterSurfaceAnimation();
		}
		if (typeof fishingElements.startBoatAndFishermanAnimation === 'function') {
			fishingElements.startBoatAndFishermanAnimation();
		}
	}
	// Calculate rod tip position (relative to fishingScreen)
	var fc = fishingElements.fishermanContainer;
	var f = fishingElements.fisherman;
	var rodTipCalculatedX = fc.x + f.x + 85;
	var rodTipCalculatedY = fc.y + f.y - f.height;
	var initialHookDangleY = rodTipCalculatedY + 50;
	fishingElements.hook.y = initialHookDangleY;
	// Setup initial zoom and camera position for fishingScreen
	var INITIAL_ZOOM_FACTOR = 1.5;
	// Pivot around the boat's visual center
	var pivotX = fishingElements.boat.x;
	var pivotY = fishingElements.boat.y - fishingElements.boat.height * (fishingElements.boat.anchor.y - 0.5);
	fishingScreen.pivot.set(pivotX, pivotY);
	// Position screen so the pivot appears at screen center when zoomed
	var screenCenterX = 2048 / 2;
	var screenCenterY = 2732 / 2;
	fishingScreen.x = screenCenterX;
	fishingScreen.y = screenCenterY;
	fishingScreen.scale.set(INITIAL_ZOOM_FACTOR, INITIAL_ZOOM_FACTOR);
	var introDuration = 2000;
	// Tween for zoom out
	tween(fishingScreen.scale, {
		x: 1,
		y: 1
	}, {
		duration: introDuration,
		easing: tween.easeInOut
	});
	// Tween screen position to compensate for the zoom change
	// As we zoom out, we need to move the screen back toward the pivot
	tween(fishingScreen, {
		x: pivotX,
		y: pivotY
	}, {
		duration: introDuration,
		easing: tween.easeInOut
	});
	// Hook drop animation
	var targetHookY = GAME_CONFIG.LANES[GameState.hookTargetLaneIndex].y;
	tween(fishingElements.hook, {
		y: targetHookY
	}, {
		duration: introDuration * 0.8,
		delay: introDuration * 0.2,
		easing: tween.easeOut,
		onFinish: function onFinish() {
			GameState.introPlaying = false;
			// Reset to normal view
			fishingScreen.pivot.set(0, 0);
			fishingScreen.x = 0;
			fishingScreen.y = 0;
			startFishingSession();
		}
	});
}
/**** 
* Level Select Logic
****/ 
function updateLevelSelectScreen() {
	var elements = levelSelectElements;
	// Update money display
	elements.moneyDisplay.setText('Money: $' + GameState.money);
	// Create depth tabs
	createDepthTabs();
	// Update song display
	updateSongDisplay();
	// Update shop button
	updateShopButton();
}
function createDepthTabs() {
	// Clear existing tabs
	levelSelectElements.depthTabs.forEach(function (tab) {
		if (tab.container) {
			tab.container.destroy();
		}
	});
	levelSelectElements.depthTabs = [];
	// Create tabs for unlocked depths
	for (var i = 0; i <= GameState.currentDepth; i++) {
		var depth = GAME_CONFIG.DEPTHS[i];
		var isSelected = i === GameState.selectedDepth;
		var tabContainer = levelSelectScreen.addChild(new Container());
		var tab = tabContainer.addChild(LK.getAsset('depthTab', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 300 + i * 220,
			y: 400,
			tint: isSelected ? 0x1976d2 : 0x455a64
		}));
		var tabText = new Text2(depth.name.split(' ')[0], {
			size: 30,
			fill: 0xFFFFFF
		});
		tabText.anchor.set(0.5, 0.5);
		tabText.x = 300 + i * 220;
		tabText.y = 400;
		tabContainer.addChild(tabText);
		levelSelectElements.depthTabs.push({
			container: tabContainer,
			tab: tab,
			depthIndex: i
		});
	}
}
function updateSongDisplay() {
	var elements = levelSelectElements;
	var depth = GAME_CONFIG.DEPTHS[GameState.selectedDepth];
	var song = depth.songs[GameState.selectedSong];
	var owned = GameState.hasSong(GameState.selectedDepth, GameState.selectedSong);
	// Update song info
	elements.songTitle.setText(song.name);
	elements.songInfo.setText('BPM: ' + song.bpm + ' | Duration: ' + formatTime(song.duration));
	// Calculate potential earnings
	var minEarnings = Math.floor(depth.fishValue * 20); // Conservative estimate
	var maxEarnings = Math.floor(depth.fishValue * 60); // With combos and rare fish
	elements.songEarnings.setText('Potential Earnings: $' + minEarnings + '-$' + maxEarnings);
	// Update play/buy button
	if (owned) {
		elements.playButtonText.setText('PLAY');
		elements.playButton.tint = 0x1976d2;
	} else {
		elements.playButtonText.setText('BUY ($' + song.cost + ')');
		elements.playButton.tint = GameState.money >= song.cost ? 0x2e7d32 : 0x666666;
	}
	// Update arrow states
	elements.leftArrow.tint = GameState.selectedSong > 0 ? 0x1976d2 : 0x666666;
	elements.rightArrow.tint = GameState.selectedSong < depth.songs.length - 1 ? 0x1976d2 : 0x666666;
}
function updateShopButton() {
	var elements = levelSelectElements;
	var canUpgrade = GameState.canUpgrade();
	var nextDepth = GAME_CONFIG.DEPTHS[GameState.currentDepth + 1];
	if (nextDepth) {
		elements.shopButtonText.setText('UPGRADE ROD ($' + nextDepth.upgradeCost + ')');
		elements.shopButton.tint = canUpgrade ? 0x2e7d32 : 0x666666;
	} else {
		elements.shopButtonText.setText('MAX DEPTH REACHED');
		elements.shopButton.tint = 0x666666;
	}
}
function formatTime(ms) {
	var seconds = Math.floor(ms / 1000);
	var minutes = Math.floor(seconds / 60);
	seconds = seconds % 60;
	return minutes + ':' + (seconds < 10 ? '0' : '') + seconds;
}
/**** 
* Fishing Game Logic
****/ 
function startFishingSession() {
	// Reset session state
	GameState.sessionScore = 0;
	GameState.sessionFishCaught = 0;
	GameState.sessionFishSpawned = 0;
	GameState.combo = 0;
	GameState.maxCombo = 0;
	GameState.gameActive = true;
	GameState.songStartTime = 0;
	GameState.lastBeatTime = 0;
	GameState.beatCount = 0;
	GameState.musicNotesActive = true;
	musicNotesArray = [];
	if (fishingElements && fishingElements.musicNotesContainer) {
		fishingElements.musicNotesContainer.removeChildren();
	}
	musicNoteSpawnCounter = 0;
	// Reset ocean bubbles
	globalOceanBubblesArray = [];
	if (globalOceanBubbleContainer) {
		globalOceanBubbleContainer.removeChildren();
	}
	globalOceanBubbleSpawnCounter = 0;
	// Reset seaweed
	globalSeaweedArray = [];
	if (globalSeaweedContainer) {
		globalSeaweedContainer.removeChildren();
	}
	globalSeaweedSpawnCounter = 0;
	// Animations for water, boat, and fisherman are now started in playIntroAnimation
	// Clear any existing fish
	fishArray.forEach(function (fish) {
		fish.destroy();
	});
	fishArray = [];
	// Reset pattern generator for new session
	PatternGenerator.reset();
	// Start music
	var songConfig = GameState.getCurrentSongConfig();
	var musicIdToPlay = songConfig.musicId || 'rhythmTrack'; // Default to rhythmTrack if no specific id
	GameState.currentPlayingMusicId = musicIdToPlay;
	// Determine initial volume based on known assets for correct fade-out later
	if (musicIdToPlay === 'morningtide') {
		GameState.currentPlayingMusicInitialVolume = 1.0; // Volume defined in LK.init.music for 'morningtide'
	} else {
		// Default for 'rhythmTrack' or other unspecified tracks
		GameState.currentPlayingMusicInitialVolume = 0.8; // Volume defined in LK.init.music for 'rhythmTrack'
	}
	LK.playMusic(GameState.currentPlayingMusicId); // Play the selected music track
}
function spawnFish(currentTimeForRegistration, options) {
	options = options || {}; // Ensure options is an object
	var depthConfig = GameState.getCurrentDepthConfig();
	var songConfig = GameState.getCurrentSongConfig();
	var pattern = GAME_CONFIG.PATTERNS[songConfig.pattern];
	// Proximity check: Skip spawn if too close to existing fish.
	// This check is generally for the first fish of a beat or non-forced spawns.
	// For forced multi-beat spawns, this might prevent them if they are too close.
	// Consider if this rule should be relaxed for forced multi-beat spawns if visual overlap is acceptable for quick succession.
	// For now, keeping it as is. If a spawn is skipped, the multi-beat sequence might be shorter.
	var isFirstFishOfBeat = !options.laneIndexToUse && !options.forcedSpawnSide;
	if (isFirstFishOfBeat) {
		// Apply stricter proximity for non-forced spawns
		for (var i = 0; i < fishArray.length; i++) {
			var existingFish = fishArray[i];
			if (Math.abs(existingFish.x - GAME_CONFIG.SCREEN_CENTER_X) < PatternGenerator.minDistanceBetweenFish) {
				return null; // Skip this spawn, do not register
			}
		}
	}
	var laneIndex;
	if (options.laneIndexToUse !== undefined) {
		laneIndex = options.laneIndexToUse;
		PatternGenerator.lastLane = laneIndex; // Update generator's state if lane is forced
	} else {
		laneIndex = PatternGenerator.getNextLane();
	}
	var targetLane = GAME_CONFIG.LANES[laneIndex];
	var fishType, fishValue;
	var rand = Math.random();
	if (rand < pattern.rareSpawnChance) {
		fishType = 'rare';
		fishValue = depthConfig.fishValue * 4;
	} else if (GameState.selectedDepth >= 2 && rand < 0.3) {
		fishType = 'deep';
		fishValue = Math.floor(depthConfig.fishValue * 2);
	} else if (GameState.selectedDepth >= 1 && rand < 0.6) {
		fishType = 'medium';
		fishValue = Math.floor(depthConfig.fishValue * 1.5);
	} else {
		fishType = 'shallow';
		fishValue = depthConfig.fishValue;
	}
	var fishSpeedValue = depthConfig.fishSpeed;
	var spawnSide; // -1 for left, 1 for right
	var actualFishSpeed;
	if (options.forcedSpawnSide !== undefined) {
		spawnSide = options.forcedSpawnSide;
	} else {
		spawnSide = Math.random() < 0.5 ? -1 : 1;
	}
	actualFishSpeed = Math.abs(fishSpeedValue) * spawnSide;
	var newFish = new Fish(fishType, fishValue, actualFishSpeed, laneIndex);
	newFish.spawnSide = spawnSide; // Store the side it spawned from
	newFish.x = actualFishSpeed > 0 ? -150 : 2048 + 150; // Start off-screen
	newFish.y = targetLane.y;
	newFish.baseY = targetLane.y; // Set baseY for swimming animation
	fishArray.push(newFish);
	fishingScreen.addChild(newFish);
	GameState.sessionFishSpawned++;
	PatternGenerator.registerFishSpawn(currentTimeForRegistration);
	return newFish;
}
function checkCatch(fishLane) {
	var hookX = fishingElements.hook.x;
	var closestFishInLane = null;
	var closestDistance = Infinity;
	// This is a tap action, find the closest fish in the tapped lane.
	for (var i = 0; i < fishArray.length; i++) {
		var fish = fishArray[i];
		if (!fish.caught && fish.lane === fishLane) {
			var distance = Math.abs(fish.x - hookX);
			if (distance < closestDistance) {
				closestDistance = distance;
				closestFishInLane = fish;
			}
		}
	}
	if (!closestFishInLane) {
		// No fish found for tap
		showFeedback('miss', fishLane);
		LK.getSound('miss').play();
		GameState.combo = 0;
		return;
	}
	// --- Normal Fish Catch Logic ---
	var points = 0;
	var multiplier = Math.max(1, Math.floor(GameState.combo / 10) + 1);
	if (closestDistance < GAME_CONFIG.PERFECT_WINDOW) {
		points = closestFishInLane.value * 2 * multiplier;
		showFeedback('perfect', fishLane);
		GameState.combo++;
	} else if (closestDistance < GAME_CONFIG.GOOD_WINDOW) {
		points = closestFishInLane.value * multiplier;
		showFeedback('good', fishLane);
		GameState.combo++;
	} else if (closestDistance < GAME_CONFIG.MISS_WINDOW) {
		points = Math.max(1, Math.floor(closestFishInLane.value * 0.5 * multiplier));
		showFeedback('good', fishLane);
		GameState.combo++;
	} else {
		showFeedback('miss', fishLane);
		LK.getSound('miss').play();
		GameState.combo = 0;
		return;
	}
	// Successfully caught fish
	closestFishInLane.catchFish();
	var fishIndex = fishArray.indexOf(closestFishInLane);
	if (fishIndex > -1) {
		fishArray.splice(fishIndex, 1);
	}
	GameState.sessionScore += points;
	GameState.money += points;
	GameState.sessionFishCaught++;
	GameState.totalFishCaught++;
	GameState.maxCombo = Math.max(GameState.maxCombo, GameState.combo);
	// Play a random catch sound effect
	var catchSounds = ['catch', 'catch2', 'catch3', 'catch4'];
	var randomCatchSound = catchSounds[Math.floor(Math.random() * catchSounds.length)];
	LK.getSound(randomCatchSound).play();
	animateHookCatch(); // Call parameterless animateHookCatch for the single hook
}
// Note: The old animateHookCatch function that was defined right after checkCatch
// is now a global helper: animateHookCatch(laneIndex), defined earlier.
// We remove the old local one if it existed here by not re-inserting it.
function updateFishingUI() {
	var elements = fishingElements;
	elements.scoreText.setText('Score: ' + GameState.sessionScore);
	elements.fishText.setText('Fish: ' + GameState.sessionFishCaught + '/' + GameState.sessionFishSpawned);
	elements.comboText.setText('Combo: ' + GameState.combo);
	// Update progress
	if (GameState.songStartTime > 0) {
		var currentTime = LK.ticks * (1000 / 60);
		var elapsed = currentTime - GameState.songStartTime;
		var songConfig = GameState.getCurrentSongConfig();
		elements.progressText.setText(formatTime(elapsed) + ' / ' + formatTime(songConfig.duration));
	}
}
function endFishingSession() {
	GameState.gameActive = false;
	// Stop the boat's wave animation to prevent it from running after the session
	if (fishingElements && fishingElements.boat) {
		tween.stop(fishingElements.boat);
	}
	// Stop fisherman container animation
	if (fishingElements && fishingElements.fishermanContainer) {
		tween.stop(fishingElements.fishermanContainer);
	}
	// Stop fisherman rotation animation
	if (fishingElements && fishingElements.fisherman) {
		tween.stop(fishingElements.fisherman);
	}
	// Stop water surface wave animations
	if (fishingElements && fishingElements.waterSurfaceSegments) {
		fishingElements.waterSurfaceSegments.forEach(function (segment) {
			if (segment && !segment.destroyed) {
				tween.stop(segment);
			}
		});
	}
	// Fade out and stop music for the results screen
	var currentMusicId = GameState.currentPlayingMusicId;
	var currentMusicInitialVolume = GameState.currentPlayingMusicInitialVolume;
	var fadeOutDurationMs = 1000; // Duration of the fade out in milliseconds (e.g., 1 second)
	LK.playMusic(currentMusicId, {
		fade: {
			start: currentMusicInitialVolume,
			end: 0,
			duration: fadeOutDurationMs
		},
		loop: false // Important to prevent restart after fade or if it's re-triggered
	});
	// Ensure music is fully stopped after the fade duration has elapsed
	LK.setTimeout(function () {
		LK.stopMusic();
	}, fadeOutDurationMs);
	// Clear fish
	fishArray.forEach(function (fish) {
		fish.destroy();
	});
	fishArray = [];
	GameState.musicNotesActive = false;
	if (fishingElements && fishingElements.musicNotesContainer) {
		fishingElements.musicNotesContainer.removeChildren();
	}
	// The MusicNoteParticle instances themselves will be garbage collected.
	// Clearing the array is important.
	musicNotesArray = [];
	// Clear ocean bubbles
	if (globalOceanBubbleContainer) {
		globalOceanBubbleContainer.removeChildren();
	}
	globalOceanBubblesArray = [];
	// Clear seaweed
	if (globalSeaweedContainer) {
		globalSeaweedContainer.removeChildren();
	}
	globalSeaweedArray = [];
	// Create results screen
	createResultsScreen();
	showScreen('results');
}
function createResultsScreen() {
	// Clear previous results
	resultsScreen.removeChildren();
	var resultsBg = resultsScreen.addChild(LK.getAsset('screenBackground', {
		x: 0,
		y: 0,
		alpha: 0.9
	}));
	var title = new Text2('Fishing Complete!', {
		size: 100,
		fill: 0xFFFFFF
	});
	title.anchor.set(0.5, 0.5);
	title.x = GAME_CONFIG.SCREEN_CENTER_X;
	title.y = 400;
	resultsScreen.addChild(title);
	var scoreResult = new Text2('Score: ' + GameState.sessionScore, {
		size: 70,
		fill: 0xFFD700
	});
	scoreResult.anchor.set(0.5, 0.5);
	scoreResult.x = GAME_CONFIG.SCREEN_CENTER_X;
	scoreResult.y = 550;
	resultsScreen.addChild(scoreResult);
	var fishResult = new Text2('Fish Caught: ' + GameState.sessionFishCaught + '/' + GameState.sessionFishSpawned, {
		size: 50,
		fill: 0xFFFFFF
	});
	fishResult.anchor.set(0.5, 0.5);
	fishResult.x = GAME_CONFIG.SCREEN_CENTER_X;
	fishResult.y = 650;
	resultsScreen.addChild(fishResult);
	var comboResult = new Text2('Max Combo: ' + GameState.maxCombo, {
		size: 50,
		fill: 0xFF9800
	});
	comboResult.anchor.set(0.5, 0.5);
	comboResult.x = GAME_CONFIG.SCREEN_CENTER_X;
	comboResult.y = 750;
	resultsScreen.addChild(comboResult);
	var moneyEarned = new Text2('Money Earned: $' + GameState.sessionScore, {
		size: 50,
		fill: 0x4CAF50
	});
	moneyEarned.anchor.set(0.5, 0.5);
	moneyEarned.x = GAME_CONFIG.SCREEN_CENTER_X;
	moneyEarned.y = 850;
	resultsScreen.addChild(moneyEarned);
	// Accuracy
	var accuracy = GameState.sessionFishSpawned > 0 ? Math.round(GameState.sessionFishCaught / GameState.sessionFishSpawned * 100) : 0;
	var accuracyResult = new Text2('Accuracy: ' + accuracy + '%', {
		size: 50,
		fill: 0x2196F3
	});
	accuracyResult.anchor.set(0.5, 0.5);
	accuracyResult.x = GAME_CONFIG.SCREEN_CENTER_X;
	accuracyResult.y = 950;
	resultsScreen.addChild(accuracyResult);
	// Continue button
	var continueButton = resultsScreen.addChild(LK.getAsset('bigButton', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: GAME_CONFIG.SCREEN_CENTER_X,
		y: 1200
	}));
	var continueText = new Text2('CONTINUE', {
		size: 50,
		fill: 0xFFFFFF
	});
	continueText.anchor.set(0.5, 0.5);
	continueText.x = GAME_CONFIG.SCREEN_CENTER_X;
	continueText.y = 1200;
	resultsScreen.addChild(continueText);
	// Fade in
	resultsScreen.alpha = 0;
	tween(resultsScreen, {
		alpha: 1
	}, {
		duration: 500,
		easing: tween.easeOut
	});
}
/**** 
* Input Handling
****/ 
game.down = function (x, y, obj) {
	LK.getSound('buttonClick').play();
	switch (GameState.currentScreen) {
		case 'title':
			// Check if click is within start button bounds
			var startButton = titleElements.startButton;
			if (x >= startButton.x - startButton.width / 2 && x <= startButton.x + startButton.width / 2 && y >= startButton.y - startButton.height / 2 && y <= startButton.y + startButton.height / 2) {
				showScreen('levelSelect');
			}
			// Check if click is within tutorial button bounds
			var tutorialButton = titleElements.tutorialButton;
			if (x >= tutorialButton.x - tutorialButton.width / 2 && x <= tutorialButton.x + tutorialButton.width / 2 && y >= tutorialButton.y - tutorialButton.height / 2 && y <= tutorialButton.y + tutorialButton.height / 2) {
				// TODO: Show tutorial
			}
			break;
		case 'levelSelect':
			handleLevelSelectInput(x, y);
			break;
		case 'fishing':
			handleFishingInput(x, y, true); // true for isDown
			break;
		case 'results':
			showScreen('levelSelect');
			break;
	}
};
function handleLevelSelectInput(x, y) {
	var elements = levelSelectElements;
	// Check depth tabs
	elements.depthTabs.forEach(function (tab) {
		var tabAsset = tab.tab;
		if (x >= tabAsset.x - tabAsset.width / 2 && x <= tabAsset.x + tabAsset.width / 2 && y >= tabAsset.y - tabAsset.height / 2 && y <= tabAsset.y + tabAsset.height / 2) {
			GameState.selectedDepth = tab.depthIndex;
			GameState.selectedSong = 0; // Reset to first song
			updateLevelSelectScreen();
		}
	});
	// Check song navigation
	var leftArrow = elements.leftArrow;
	if (x >= leftArrow.x - leftArrow.width / 2 && x <= leftArrow.x + leftArrow.width / 2 && y >= leftArrow.y - leftArrow.height / 2 && y <= leftArrow.y + leftArrow.height / 2 && GameState.selectedSong > 0) {
		GameState.selectedSong--;
		updateSongDisplay();
	}
	var rightArrow = elements.rightArrow;
	if (x >= rightArrow.x - rightArrow.width / 2 && x <= rightArrow.x + rightArrow.width / 2 && y >= rightArrow.y - rightArrow.height / 2 && y <= rightArrow.y + rightArrow.height / 2) {
		var depth = GAME_CONFIG.DEPTHS[GameState.selectedDepth];
		if (GameState.selectedSong < depth.songs.length - 1) {
			GameState.selectedSong++;
			updateSongDisplay();
		}
	}
	// Check play/buy button
	var playButton = elements.playButton;
	if (x >= playButton.x - playButton.width / 2 && x <= playButton.x + playButton.width / 2 && y >= playButton.y - playButton.height / 2 && y <= playButton.y + playButton.height / 2) {
		var owned = GameState.hasSong(GameState.selectedDepth, GameState.selectedSong);
		if (owned) {
			showScreen('fishing');
		} else {
			// Try to buy song
			if (GameState.buySong(GameState.selectedDepth, GameState.selectedSong)) {
				updateLevelSelectScreen();
			}
		}
	}
	// Check shop button
	var shopButton = elements.shopButton;
	if (x >= shopButton.x - shopButton.width / 2 && x <= shopButton.x + shopButton.width / 2 && y >= shopButton.y - shopButton.height / 2 && y <= shopButton.y + shopButton.height / 2) {
		if (GameState.upgrade()) {
			LK.getSound('upgrade').play();
			updateLevelSelectScreen();
		}
	}
	// Check back button
	var backButton = elements.backButton;
	if (x >= backButton.x - backButton.width / 2 && x <= backButton.x + backButton.width / 2 && y >= backButton.y - backButton.height / 2 && y <= backButton.y + backButton.height / 2) {
		showScreen('title');
	}
}
/**** 
* Main Game Loop
****/ 
game.update = function () {
	// Always update fishing line wave visuals if on fishing screen and elements are ready.
	// This needs to run even during the intro when gameActive might be false.
	if (GameState.currentScreen === 'fishing' && fishingElements && fishingElements.updateFishingLineWave) {
		fishingElements.updateFishingLineWave();
	}
	// Spawn and update ambient ocean bubbles during intro and gameplay
	if (GameState.currentScreen === 'fishing' && globalOceanBubbleContainer) {
		// Spawn bubbles during intro and gameplay
		globalOceanBubbleSpawnCounter++;
		if (globalOceanBubbleSpawnCounter >= OCEAN_BUBBLE_SPAWN_INTERVAL_TICKS) {
			globalOceanBubbleSpawnCounter = 0;
			var numToSpawn = 1; // Always spawn only 1 bubble per interval (was 1 or 2)
			for (var i = 0; i < numToSpawn; i++) {
				var newOceanBubble = new OceanBubbleParticle();
				globalOceanBubbleContainer.addChild(newOceanBubble);
				globalOceanBubblesArray.push(newOceanBubble);
			}
		}
		// Update existing ocean bubbles
		for (var obIdx = globalOceanBubblesArray.length - 1; obIdx >= 0; obIdx--) {
			var oceanBubble = globalOceanBubblesArray[obIdx];
			if (oceanBubble) {
				// Apply fish physics to bubble
				for (var fishIdx = 0; fishIdx < fishArray.length; fishIdx++) {
					var fish = fishArray[fishIdx];
					if (fish && !fish.caught) {
						var dx = oceanBubble.x - fish.x;
						var dy = oceanBubble.y - fish.y;
						var distance = Math.sqrt(dx * dx + dy * dy);
						var influenceRadius = 150; // Radius of fish influence on bubbles
						var minDistance = 30; // Minimum distance to avoid division issues
						if (distance < influenceRadius && distance > minDistance) {
							// Calculate influence strength (stronger when closer)
							var influence = 1 - distance / influenceRadius;
							influence = influence * influence; // Square for more dramatic close-range effect
							// Calculate normalized direction away from fish
							var dirX = dx / distance;
							var dirY = dy / distance;
							// Apply force based on fish speed and direction
							var fishSpeedFactor = Math.abs(fish.speed) * 0.15; // Scale down fish speed influence
							var pushForce = fishSpeedFactor * influence;
							// Add horizontal push (stronger in direction of fish movement)
							oceanBubble.x += dirX * pushForce * 2; // Stronger horizontal push
							// Add vertical component (bubbles get pushed up/down)
							oceanBubble.vy += dirY * pushForce * 0.5; // Gentler vertical influence
							// Add some swirl/turbulence to drift
							oceanBubble.driftAmplitude = Math.min(80, oceanBubble.driftAmplitude + pushForce * 10);
							oceanBubble.driftFrequency *= 1 + influence * 0.1; // Slightly increase oscillation when disturbed
						}
					}
				}
				oceanBubble.update();
				if (oceanBubble.isDone) {
					oceanBubble.destroy();
					globalOceanBubblesArray.splice(obIdx, 1);
				}
			} else {
				globalOceanBubblesArray.splice(obIdx, 1); // Safeguard for null entries
			}
		}
	}
	// Spawn and update seaweed particles during intro and gameplay
	if (GameState.currentScreen === 'fishing' && globalSeaweedContainer) {
		// Spawn seaweed during intro and gameplay
		globalSeaweedSpawnCounter++;
		if (globalSeaweedSpawnCounter >= SEAWEED_SPAWN_INTERVAL_TICKS) {
			globalSeaweedSpawnCounter = 0;
			var newSeaweed = new SeaweedParticle();
			globalSeaweedContainer.addChild(newSeaweed);
			globalSeaweedArray.push(newSeaweed);
		}
		// Update existing seaweed
		for (var swIdx = globalSeaweedArray.length - 1; swIdx >= 0; swIdx--) {
			var seaweed = globalSeaweedArray[swIdx];
			if (seaweed) {
				// Apply fish physics to seaweed
				for (var fishIdx = 0; fishIdx < fishArray.length; fishIdx++) {
					var fish = fishArray[fishIdx];
					if (fish && !fish.caught) {
						var dx = seaweed.x - fish.x;
						var dy = seaweed.y - fish.y;
						var distance = Math.sqrt(dx * dx + dy * dy);
						var influenceRadius = 180; // Slightly larger influence for seaweed
						var minDistance = 40;
						if (distance < influenceRadius && distance > minDistance) {
							// Calculate influence strength
							var influence = 1 - distance / influenceRadius;
							influence = influence * influence;
							// Calculate normalized direction away from fish
							var dirX = dx / distance;
							var dirY = dy / distance;
							// Apply force based on fish speed
							var fishSpeedFactor = Math.abs(fish.speed) * 0.2; // Stronger influence on seaweed
							var pushForce = fishSpeedFactor * influence;
							// Add push forces
							seaweed.vx += dirX * pushForce * 1.5; // Seaweed is affected more horizontally
							seaweed.vy += dirY * pushForce * 0.8; // And moderately vertically
							// Increase sway when disturbed
							seaweed.swayAmplitude = Math.min(60, seaweed.swayAmplitude + pushForce * 15);
						}
					}
				}
				seaweed.update();
				if (seaweed.isDone) {
					seaweed.destroy();
					globalSeaweedArray.splice(swIdx, 1);
				}
			} else {
				globalSeaweedArray.splice(swIdx, 1);
			}
		}
	}
	// Standard game active check; if intro is playing, gameActive will be false.
	if (GameState.currentScreen !== 'fishing' || !GameState.gameActive) {
		return;
	}
	// Note: The fishing line wave update was previously here, it's now moved up.
	var currentTime = LK.ticks * (1000 / 60);
	// Initialize game timer
	if (GameState.songStartTime === 0) {
		GameState.songStartTime = currentTime;
	}
	var songConfig = GameState.getCurrentSongConfig();
	var pattern = GAME_CONFIG.PATTERNS[songConfig.pattern];
	var beatInterval = 60000 / songConfig.bpm;
	var baseSpawnInterval = beatInterval * pattern.beatsPerFish;
	// Apply section-based spawn modifier if pattern has sections
	var spawnInterval = baseSpawnInterval;
	if (pattern.sections) {
		var elapsedTime = currentTime - GameState.songStartTime;
		for (var s = 0; s < pattern.sections.length; s++) {
			var section = pattern.sections[s];
			if (elapsedTime >= section.startTime && elapsedTime < section.endTime) {
				spawnInterval = baseSpawnInterval / section.spawnModifier;
				break;
			}
		}
	}
	// Check song end
	if (currentTime - GameState.songStartTime >= songConfig.duration) {
		endFishingSession();
		return;
	}
	// Spawn fish on beat
	if (currentTime - GameState.lastBeatTime >= spawnInterval) {
		GameState.lastBeatTime = currentTime;
		GameState.beatCount++;
		if (PatternGenerator.canSpawnFishOnBeat(currentTime, spawnInterval)) {
			var firstFish = spawnFish(currentTime, {}); // Pass empty options for default behavior
			if (firstFish) {
				// Check for double beat
				if (pattern.doubleSpawnChance > 0 && Math.random() < pattern.doubleSpawnChance) {
					var isPotentiallyTriplet = pattern.tripletSpawnChance && Math.random() < pattern.tripletSpawnChance;
					// Calculate the time it takes for a fish to reach the hook from spawn
					// Fish spawn at x = -150 (right-moving) or x = 2048+150 (left-moving)
					// Hook is at x = GAME_CONFIG.SCREEN_CENTER_X
					// Fish speed is always positive, direction is set by sign
					var fishSpeed = Math.abs(GameState.getCurrentDepthConfig().fishSpeed);
					var distanceToHook = GAME_CONFIG.SCREEN_CENTER_X + 150; // from left
					var timeToHookMs = distanceToHook / fishSpeed * (1000 / 60); // frames to ms
					// For double/triple, space them so they land on the beat, not too close
					// We'll use a fraction of the beat interval for spacing
					var doubleSpacing = Math.max(beatInterval * 0.5, 250); // at least 250ms, or half a beat
					var tripletSpacing = Math.max(beatInterval * 0.33, 200); // at least 200ms, or a third of a beat
					LK.setTimeout(function () {
						// For the second fish
						var secondFishOptions = {};
						var secondFishTargetLane;
						// Decide if second fish is same lane or adjacent (50/50 chance)
						if (Math.random() < 0.5) {
							// Same lane
							secondFishTargetLane = firstFish.lane;
							secondFishOptions.forcedSpawnSide = firstFish.spawnSide; // Must come from same side
						} else {
							// Adjacent lane
							var possibleAdjacentLanes = [];
							if (firstFish.lane > 0) {
								possibleAdjacentLanes.push(firstFish.lane - 1);
							}
							if (firstFish.lane < 2) {
								possibleAdjacentLanes.push(firstFish.lane + 1);
							}
							if (possibleAdjacentLanes.length > 0) {
								secondFishTargetLane = possibleAdjacentLanes[Math.floor(Math.random() * possibleAdjacentLanes.length)];
							} else {
								secondFishTargetLane = firstFish.lane; // Fallback to same lane if no valid adjacent (shouldn't happen for 0,1,2)
								secondFishOptions.forcedSpawnSide = firstFish.spawnSide;
							}
							// For adjacent lanes, forcedSpawnSide is undefined, so spawnFish will pick a random side.
						}
						secondFishOptions.laneIndexToUse = secondFishTargetLane;
						var secondFish = spawnFish(LK.ticks * (1000 / 60), secondFishOptions);
						if (secondFish && isPotentiallyTriplet) {
							LK.setTimeout(function () {
								// For the third fish
								var thirdFishOptions = {};
								var thirdFishTargetLane;
								// Decide if third fish is same lane as second or adjacent (50/50 chance)
								if (Math.random() < 0.5) {
									// Same lane as second
									thirdFishTargetLane = secondFish.lane;
									thirdFishOptions.forcedSpawnSide = secondFish.spawnSide; // Must come from same side
								} else {
									// Adjacent lane to second
									var possibleAdjacentLanesForThird = [];
									if (secondFish.lane > 0) {
										possibleAdjacentLanesForThird.push(secondFish.lane - 1);
									}
									if (secondFish.lane < 2) {
										possibleAdjacentLanesForThird.push(secondFish.lane + 1);
									}
									// Optional: try to avoid firstFish.lane for variety if possible and there's a choice
									if (possibleAdjacentLanesForThird.length > 1 && firstFish && possibleAdjacentLanesForThird.indexOf(firstFish.lane) !== -1) {
										var filteredAlternatives = possibleAdjacentLanesForThird.filter(function (l) {
											return l !== firstFish.lane;
										});
										if (filteredAlternatives.length > 0) {
											possibleAdjacentLanesForThird = filteredAlternatives;
										}
									}
									if (possibleAdjacentLanesForThird.length > 0) {
										thirdFishTargetLane = possibleAdjacentLanesForThird[Math.floor(Math.random() * possibleAdjacentLanesForThird.length)];
									} else {
										thirdFishTargetLane = secondFish.lane; // Fallback to same lane
										thirdFishOptions.forcedSpawnSide = secondFish.spawnSide;
									}
									// For adjacent lanes, forcedSpawnSide is undefined for random side.
								}
								thirdFishOptions.laneIndexToUse = thirdFishTargetLane;
								spawnFish(LK.ticks * (1000 / 60), thirdFishOptions);
							}, tripletSpacing); // Third fish spawns after tripletSpacing ms
						}
					}, doubleSpacing); // Second fish spawns after doubleSpacing ms
				}
			}
		}
	}
	// Dynamic Hook Movement Logic
	var approachingFish = null;
	var minDistanceToCenter = Infinity;
	for (var i = 0; i < fishArray.length; i++) {
		var f = fishArray[i];
		if (!f.caught) {
			var distanceToHookX = Math.abs(f.x - fishingElements.hook.x);
			var isApproachingOrAtHook = f.speed > 0 && f.x < fishingElements.hook.x || f.speed < 0 && f.x > fishingElements.hook.x || distanceToHookX < GAME_CONFIG.MISS_WINDOW * 2;
			if (isApproachingOrAtHook && distanceToHookX < minDistanceToCenter) {
				minDistanceToCenter = distanceToHookX;
				approachingFish = f;
			}
		}
	}
	var targetLaneY;
	if (approachingFish) {
		if (GameState.hookTargetLaneIndex !== approachingFish.lane) {
			GameState.hookTargetLaneIndex = approachingFish.lane;
		}
		targetLaneY = GAME_CONFIG.LANES[GameState.hookTargetLaneIndex].y;
	} else {
		targetLaneY = GAME_CONFIG.LANES[GameState.hookTargetLaneIndex].y;
	}
	// Update hook Y position (X is handled by the wave animation)
	if (Math.abs(fishingElements.hook.y - targetLaneY) > 5) {
		// Only tween if significantly different
		tween(fishingElements.hook, {
			y: targetLaneY
		}, {
			duration: 150,
			easing: tween.easeOut
		});
		fishingElements.hook.originalY = targetLaneY;
	} //{bO} // Re-using last relevant ID from replaced block for context if appropriate
	// Update fish
	for (var i = fishArray.length - 1; i >= 0; i--) {
		var fish = fishArray[i];
		fish.update(); // Fish updates its own movement and appearance
		// Remove off-screen fish (if not caught)
		if (!fish.caught && (fish.x < -250 || fish.x > 2048 + 250)) {
			// Increased buffer slightly
			fish.destroy();
			fishArray.splice(i, 1);
		}
	}
	// Update UI
	updateFishingUI();
	// Spawn and update music notes if active
	if (GameState.musicNotesActive && fishingElements && fishingElements.boat && !fishingElements.boat.destroyed && musicNotesContainer) {
		musicNoteSpawnCounter++;
		if (musicNoteSpawnCounter >= MUSIC_NOTE_SPAWN_INTERVAL_TICKS) {
			musicNoteSpawnCounter = 0;
			// Spawn notes from the boat area, considering boat's current position
			var boatCenterX = fishingElements.boat.x;
			// boat.y is anchorY (0.74). Visual center is higher.
			var boatVisualCenterY = fishingElements.boat.y - fishingElements.boat.height * (fishingElements.boat.anchor.y - 0.5);
			var spawnX = boatCenterX + (Math.random() - 0.5) * (fishingElements.boat.width * 0.25); // Spread slightly around boat center
			var spawnY = boatVisualCenterY - 50 - Math.random() * 100; // Spawn above the boat's visual center
			var newNote = new MusicNoteParticle(spawnX, spawnY);
			musicNotesContainer.addChild(newNote);
			musicNotesArray.push(newNote);
		}
	}
	// Update existing music notes
	for (var mnIdx = musicNotesArray.length - 1; mnIdx >= 0; mnIdx--) {
		var note = musicNotesArray[mnIdx];
		if (note) {
			note.update();
			if (note.isDone) {
				note.destroy();
				musicNotesArray.splice(mnIdx, 1);
			}
		} else {
			// Should not happen, but good to safeguard
			musicNotesArray.splice(mnIdx, 1);
		}
	}
	// Spawn bubbles for active fish
	if (bubbleContainer) {
		for (var f = 0; f < fishArray.length; f++) {
			var fish = fishArray[f];
			if (fish && !fish.caught && !fish.isHeld && fish.fishGraphics) {
				if (currentTime - fish.lastBubbleSpawnTime > fish.bubbleSpawnInterval) {
					fish.lastBubbleSpawnTime = currentTime;
					// Calculate tail position based on fish direction and width
					// fish.fishGraphics.width is the original asset width.
					// fish.fishGraphics.scale.x might be negative, but width property itself is positive.
					// The anchor is 0.5, so width/2 is distance from center to edge.
					var tailOffsetDirection = Math.sign(fish.speed) * -1; // Bubbles appear opposite to movement direction
					var bubbleX = fish.x + tailOffsetDirection * (fish.fishGraphics.width * Math.abs(fish.fishGraphics.scaleX) / 2) * 0.8; // 80% towards tail
					var bubbleY = fish.y + (Math.random() - 0.5) * (fish.fishGraphics.height * Math.abs(fish.fishGraphics.scaleY) / 4); // Slight Y variance around fish center
					var newBubble = new BubbleParticle(bubbleX, bubbleY);
					bubbleContainer.addChild(newBubble);
					bubblesArray.push(newBubble);
				}
			}
		}
	}
	// Update and remove bubbles
	for (var b = bubblesArray.length - 1; b >= 0; b--) {
		var bubble = bubblesArray[b];
		if (bubble) {
			// Extra safety check
			bubble.update();
			if (bubble.isDone) {
				bubble.destroy();
				bubblesArray.splice(b, 1);
			}
		} else {
			// If a null/undefined somehow got in
			bubblesArray.splice(b, 1);
		}
	}
};
// Initialize game
showScreen('title');

===================================================================
--- original.js
+++ change.js
@@ -286,8 +286,106 @@
 		}
 	};
 	return self;
 });
+var SeaweedParticle = Container.expand(function () {
+	var self = Container.call(this);
+	self.gfx = self.attachAsset('kelp', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Determine spawn location
+	var spawnType = Math.random();
+	var waterTop = GAME_CONFIG.WATER_SURFACE_Y;
+	var waterBottom = 2732;
+	if (spawnType < 0.4) {
+		// 40% spawn from bottom
+		self.x = Math.random() * 2048;
+		self.y = waterBottom + 50;
+		self.vx = (Math.random() - 0.5) * 0.3; // Slight horizontal drift
+		self.vy = -(0.4 + Math.random() * 0.3); // Upward movement
+	} else if (spawnType < 0.7) {
+		// 30% spawn from left
+		self.x = -50;
+		self.y = waterTop + Math.random() * (waterBottom - waterTop);
+		self.vx = 0.4 + Math.random() * 0.3; // Rightward movement
+		self.vy = -(0.1 + Math.random() * 0.2); // Slight upward drift
+	} else {
+		// 30% spawn from right
+		self.x = 2048 + 50;
+		self.y = waterTop + Math.random() * (waterBottom - waterTop);
+		self.vx = -(0.4 + Math.random() * 0.3); // Leftward movement
+		self.vy = -(0.1 + Math.random() * 0.2); // Slight upward drift
+	}
+	self.initialX = self.x;
+	self.naturalVx = self.vx; // Store natural velocity for recovery
+	self.naturalVy = self.vy;
+	// Seaweed properties
+	var baseScale = 0.6 + Math.random() * 0.6; // Scale: 0.6x to 1.2x
+	self.gfx.scale.set(baseScale);
+	self.swayAmplitude = 15 + Math.random() * 25; // Sway: 15px to 40px
+	self.swayFrequency = (0.003 + Math.random() * 0.007) * (Math.random() < 0.5 ? 1 : -1);
+	self.swayPhase = Math.random() * Math.PI * 2;
+	self.rotationSpeed = (Math.random() - 0.5) * 0.005; // Very slow rotation
+	var targetAlpha = 0.3 + Math.random() * 0.3; // Alpha: 0.3 to 0.6
+	self.gfx.alpha = 0; // Start transparent
+	self.gfx.tint = 0x4a7c59; // Greenish tint for seaweed
+	self.isDone = false;
+	self.fadingOut = false;
+	self.reachedSurface = false;
+	tween(self.gfx, {
+		alpha: targetAlpha
+	}, {
+		duration: 1500 + Math.random() * 1000,
+		easing: tween.easeIn
+	});
+	self.update = function () {
+		if (self.isDone) {
+			return;
+		}
+		// Apply movement
+		self.x += self.vx;
+		self.y += self.vy;
+		// Add sway effect
+		self.swayPhase += self.swayFrequency;
+		var swayOffset = Math.sin(self.swayPhase) * self.swayAmplitude;
+		self.gfx.rotation = self.rotationSpeed + swayOffset * 0.001; // Slight rotation based on sway
+		// Recovery mechanism for velocity
+		var recoveryRate = 0.015;
+		if (self.vx !== self.naturalVx) {
+			self.vx = self.vx + (self.naturalVx - self.vx) * recoveryRate;
+		}
+		if (self.vy !== self.naturalVy) {
+			self.vy = self.vy + (self.naturalVy - self.vy) * recoveryRate;
+		}
+		// Check if reached surface
+		var currentHeight = self.gfx.height * self.gfx.scale.y;
+		var currentWidth = self.gfx.width * self.gfx.scale.x;
+		if (!self.reachedSurface && self.y <= GAME_CONFIG.WATER_SURFACE_Y + currentHeight * 0.3) {
+			self.reachedSurface = true;
+			// Change to horizontal drift at surface
+			self.vy = 0;
+			self.vx = (Math.random() < 0.5 ? 1 : -1) * (0.5 + Math.random() * 0.5);
+			self.naturalVx = self.vx;
+			self.naturalVy = 0;
+		}
+		// Check if off-screen
+		if (!self.fadingOut && (self.y < -currentHeight || self.x < -currentWidth || self.x > 2048 + currentWidth || self.y > waterBottom + currentHeight)) {
+			self.fadingOut = true;
+			tween.stop(self.gfx);
+			tween(self.gfx, {
+				alpha: 0
+			}, {
+				duration: 400 + Math.random() * 200,
+				easing: tween.easeOut,
+				onFinish: function onFinish() {
+					self.isDone = true;
+				}
+			});
+		}
+	};
+	return self;
+});
 
 /**** 
 * Initialize Game
 ****/ 
@@ -300,12 +398,12 @@
 
 /**** 
 * Game Code
 ****/ 
-// If game.up already exists, integrate the 'fishing' case. Otherwise, this defines game.up.
 /**** 
 * Pattern Generation System
 ****/ 
+// If game.up already exists, integrate the 'fishing' case. Otherwise, this defines game.up.
 var PatternGenerator = {
 	lastLane: -1,
 	minDistanceBetweenFish: 300,
 	// Used by spawnFish internal check
@@ -895,8 +993,10 @@
 	}));
 	// Create a container for ambient ocean bubbles (from bottom of screen)
 	// This should be layered above the 'water' background, but below fish, boat, etc.
 	globalOceanBubbleContainer = fishingScreen.addChild(new Container());
+	// Create a container for seaweed particles
+	globalSeaweedContainer = fishingScreen.addChild(new Container());
 	// Create a container for bubbles to render them behind fish and other elements
 	bubbleContainer = fishingScreen.addChild(new Container());
 	// Create a container for music notes
 	musicNotesContainer = fishingScreen.addChild(new Container());
@@ -1240,8 +1340,13 @@
 var globalOceanBubbleContainer;
 var globalOceanBubbleSpawnCounter = 0;
 // Increase interval to reduce amount (higher = less frequent)
 var OCEAN_BUBBLE_SPAWN_INTERVAL_TICKS = 40; // Spawn new ocean bubbles roughly every 2/3 second (was 20)
+// Seaweed particles (ambient background)
+var globalSeaweedArray = [];
+var globalSeaweedContainer;
+var globalSeaweedSpawnCounter = 0;
+var SEAWEED_SPAWN_INTERVAL_TICKS = 120; // Spawn seaweed less frequently than bubbles
 /**** 
 * Input State and Helpers for Fishing
 ****/ 
 var inputState = {
@@ -1539,8 +1644,14 @@
 	if (globalOceanBubbleContainer) {
 		globalOceanBubbleContainer.removeChildren();
 	}
 	globalOceanBubbleSpawnCounter = 0;
+	// Reset seaweed
+	globalSeaweedArray = [];
+	if (globalSeaweedContainer) {
+		globalSeaweedContainer.removeChildren();
+	}
+	globalSeaweedSpawnCounter = 0;
 	// Animations for water, boat, and fisherman are now started in playIntroAnimation
 	// Clear any existing fish
 	fishArray.forEach(function (fish) {
 		fish.destroy();
@@ -1754,8 +1865,13 @@
 	if (globalOceanBubbleContainer) {
 		globalOceanBubbleContainer.removeChildren();
 	}
 	globalOceanBubblesArray = [];
+	// Clear seaweed
+	if (globalSeaweedContainer) {
+		globalSeaweedContainer.removeChildren();
+	}
+	globalSeaweedArray = [];
 	// Create results screen
 	createResultsScreen();
 	showScreen('results');
 }
@@ -1986,8 +2102,59 @@
 				globalOceanBubblesArray.splice(obIdx, 1); // Safeguard for null entries
 			}
 		}
 	}
+	// Spawn and update seaweed particles during intro and gameplay
+	if (GameState.currentScreen === 'fishing' && globalSeaweedContainer) {
+		// Spawn seaweed during intro and gameplay
+		globalSeaweedSpawnCounter++;
+		if (globalSeaweedSpawnCounter >= SEAWEED_SPAWN_INTERVAL_TICKS) {
+			globalSeaweedSpawnCounter = 0;
+			var newSeaweed = new SeaweedParticle();
+			globalSeaweedContainer.addChild(newSeaweed);
+			globalSeaweedArray.push(newSeaweed);
+		}
+		// Update existing seaweed
+		for (var swIdx = globalSeaweedArray.length - 1; swIdx >= 0; swIdx--) {
+			var seaweed = globalSeaweedArray[swIdx];
+			if (seaweed) {
+				// Apply fish physics to seaweed
+				for (var fishIdx = 0; fishIdx < fishArray.length; fishIdx++) {
+					var fish = fishArray[fishIdx];
+					if (fish && !fish.caught) {
+						var dx = seaweed.x - fish.x;
+						var dy = seaweed.y - fish.y;
+						var distance = Math.sqrt(dx * dx + dy * dy);
+						var influenceRadius = 180; // Slightly larger influence for seaweed
+						var minDistance = 40;
+						if (distance < influenceRadius && distance > minDistance) {
+							// Calculate influence strength
+							var influence = 1 - distance / influenceRadius;
+							influence = influence * influence;
+							// Calculate normalized direction away from fish
+							var dirX = dx / distance;
+							var dirY = dy / distance;
+							// Apply force based on fish speed
+							var fishSpeedFactor = Math.abs(fish.speed) * 0.2; // Stronger influence on seaweed
+							var pushForce = fishSpeedFactor * influence;
+							// Add push forces
+							seaweed.vx += dirX * pushForce * 1.5; // Seaweed is affected more horizontally
+							seaweed.vy += dirY * pushForce * 0.8; // And moderately vertically
+							// Increase sway when disturbed
+							seaweed.swayAmplitude = Math.min(60, seaweed.swayAmplitude + pushForce * 15);
+						}
+					}
+				}
+				seaweed.update();
+				if (seaweed.isDone) {
+					seaweed.destroy();
+					globalSeaweedArray.splice(swIdx, 1);
+				}
+			} else {
+				globalSeaweedArray.splice(swIdx, 1);
+			}
+		}
+	}
 	// Standard game active check; if intro is playing, gameActive will be false.
 	if (GameState.currentScreen !== 'fishing' || !GameState.gameActive) {
 		return;
 	}