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

/**** 
* Classes
****/ 
var Boat = Container.expand(function () {
	var self = Container.call(this);
	self.boatGraphics = self.attachAsset('boat', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.hookContainer = new Container();
	self.addChild(self.hookContainer);
	self.hookContainer.x = 0;
	self.hookContainer.y = 40;
	var hookGraphics = self.hookContainer.attachAsset('hook', {
		anchorX: 0.5,
		anchorY: 0
	});
	self.hookDeployed = false;
	self.hookExtension = 0;
	self.maxHookExtension = 200;
	self.hookSpeed = 8;
	self.moveLeft = function () {
		if (self.x > 60) {
			self.x -= 15;
		}
	};
	self.moveRight = function () {
		if (self.x < 1988) {
			self.x += 15;
		}
	};
	self.deployHook = function () {
		if (!self.hookDeployed) {
			self.hookDeployed = true;
		}
	};
	self.update = function () {
		if (self.hookDeployed) {
			self.hookExtension += self.hookSpeed;
			if (self.hookExtension >= self.maxHookExtension) {
				self.hookExtension = self.maxHookExtension;
			}
		} else {
			if (self.hookExtension > 0) {
				self.hookExtension -= self.hookSpeed;
				if (self.hookExtension < 0) {
					self.hookExtension = 0;
				}
			}
		}
		self.hookContainer.y = 40 + self.hookExtension;
	};
	return self;
});
var Fish = Container.expand(function () {
	var self = Container.call(this);
	self.fishGraphics = self.attachAsset('fish', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 2;
	self.direction = 1;
	self.update = function () {
		self.y += self.speed;
		self.x += self.direction * 1.5;
		if (self.x < 0 || self.x > 2048) {
			self.direction *= -1;
		}
	};
	return self;
});
var Jellyfish = Container.expand(function () {
	var self = Container.call(this);
	self.jellyfishGraphics = self.attachAsset('jellyfish', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 2;
	self.wobbleAmount = 0;
	self.wobblePhase = 0;
	self.update = function () {
		self.y += self.speed;
		self.wobblePhase += 0.05;
		self.x += Math.sin(self.wobblePhase) * 2;
	};
	return self;
});
var Shark = Container.expand(function () {
	var self = Container.call(this);
	self.sharkGraphics = self.attachAsset('shark', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 3;
	self.direction = 1;
	self.huntProgress = 0;
	self.update = function () {
		self.y += self.speed;
		self.x += self.direction * (2 + difficultyLevel * 0.5);
		if (self.x < 0 || self.x > 2048) {
			self.direction *= -1;
		}
	};
	return self;
});
var Trash = Container.expand(function () {
	var self = Container.call(this);
	self.trashType = 'bottle';
	self.points = 10;
	self.speed = 3;
	self.setTrashType = function (type) {
		self.trashType = type;
		var trashGraphics = self.attachAsset(type, {
			anchorX: 0.5,
			anchorY: 0.5
		});
		if (type === 'bottle') {
			self.points = 10;
		} else if (type === 'bag') {
			self.points = 20;
		} else if (type === 'can') {
			self.points = 30;
		} else if (type === 'plastic') {
			self.points = 15;
		}
	};
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1E90FF
});

/**** 
* Game Code
****/ 
var difficultyLevel = 1;
var score = 0;
var lives = 3;
var trashCollected = 0;
var gameTime = 0;
var targetTrash = 20;
var spawnRate = 100;
var lastSpawnTick = 0;
var boat = new Boat();
game.addChild(boat);
boat.x = 1024;
boat.y = 2500;
var trashArray = [];
var fishArray = [];
var sharkArray = [];
var jellyfishArray = [];
var scoreText = new Text2('Score: 0', {
	size: 100,
	fill: '#FFFFFF'
});
scoreText.anchor.set(0, 0);
LK.gui.topRight.addChild(scoreText);
var livesText = new Text2('Lives: 3', {
	size: 100,
	fill: '#FF6347'
});
livesText.anchor.set(0, 0);
LK.gui.top.addChild(livesText);
var trashText = new Text2('Trash: 0/' + targetTrash, {
	size: 100,
	fill: '#FFFFFF'
});
trashText.anchor.set(0.5, 0);
LK.gui.top.addChild(trashText);
function updateUI() {
	scoreText.setText('Score: ' + score);
	livesText.setText('Lives: ' + lives);
	trashText.setText('Trash: ' + trashCollected + '/' + targetTrash);
}
function spawnTrash() {
	var trashTypes = ['bottle', 'bag', 'can', 'plastic'];
	var randomType = trashTypes[Math.floor(Math.random() * trashTypes.length)];
	var trash = new Trash();
	trash.setTrashType(randomType);
	trash.x = Math.random() * 2048;
	trash.y = -50;
	trash.speed = 2 + difficultyLevel * 0.3;
	game.addChild(trash);
	trashArray.push(trash);
}
function spawnFish() {
	var fish = new Fish();
	fish.x = Math.random() * 2048;
	fish.y = Math.random() * 1500 + 300;
	fish.speed = 1.5 + difficultyLevel * 0.2;
	game.addChild(fish);
	fishArray.push(fish);
}
function spawnShark() {
	var shark = new Shark();
	shark.x = Math.random() * 2048;
	shark.y = Math.random() * 1000 + 800;
	shark.speed = 2.5 + difficultyLevel * 0.4;
	game.addChild(shark);
	sharkArray.push(shark);
}
function spawnJellyfish() {
	var jellyfish = new Jellyfish();
	jellyfish.x = Math.random() * 2048;
	jellyfish.y = -50;
	jellyfish.speed = 2 + difficultyLevel * 0.2;
	game.addChild(jellyfish);
	jellyfishArray.push(jellyfish);
}
function increaseDifficulty() {
	if (difficultyLevel < 5) {
		difficultyLevel += 0.5;
		spawnRate = Math.max(50, 100 - difficultyLevel * 10);
	}
}
game.move = function (x, y, obj) {
	boat.x = x;
	if (boat.x < 60) {
		boat.x = 60;
	}
	if (boat.x > 1988) {
		boat.x = 1988;
	}
};
game.down = function (x, y, obj) {
	boat.deployHook();
};
game.up = function (x, y, obj) {
	boat.hookDeployed = false;
};
game.update = function () {
	gameTime += 1;
	boat.update();
	if (gameTime % 30 === 0) {
		increaseDifficulty();
	}
	if (gameTime % spawnRate === 0) {
		spawnTrash();
	}
	if (gameTime % 200 === 0) {
		spawnFish();
	}
	if (gameTime % 250 === 0 && difficultyLevel > 1) {
		spawnShark();
	}
	if (gameTime % 300 === 0 && difficultyLevel > 2) {
		spawnJellyfish();
	}
	var hookGlobalPos = boat.toGlobal(boat.hookContainer.position);
	var hookCheckRadius = 50;
	for (var i = trashArray.length - 1; i >= 0; i--) {
		var trash = trashArray[i];
		trash.update();
		var distance = Math.sqrt(Math.pow(hookGlobalPos.x - trash.x, 2) + Math.pow(hookGlobalPos.y - trash.y, 2));
		if (boat.hookDeployed && distance < hookCheckRadius) {
			score += trash.points;
			trashCollected += 1;
			trash.destroy();
			trashArray.splice(i, 1);
			LK.getSound('catch').play();
			if (trashCollected >= targetTrash) {
				LK.showYouWin();
			}
		} else if (trash.y > 2732) {
			trash.destroy();
			trashArray.splice(i, 1);
		}
	}
	for (var i = fishArray.length - 1; i >= 0; i--) {
		var fish = fishArray[i];
		fish.update();
		var hookGlobalPos = boat.toGlobal(boat.hookContainer.position);
		var hookCheckRadius = 50;
		var hookDistance = Math.sqrt(Math.pow(hookGlobalPos.x - fish.x, 2) + Math.pow(hookGlobalPos.y - fish.y, 2));
		if (boat.hookDeployed && hookDistance < hookCheckRadius) {
			lives -= 1;
			LK.effects.flashScreen(0xFFFF00, 500);
			LK.getSound('danger').play();
			fish.destroy();
			fishArray.splice(i, 1);
			if (lives <= 0) {
				LK.showGameOver();
			}
		} else if (fish.y > 2732) {
			fish.destroy();
			fishArray.splice(i, 1);
		}
	}
	for (var i = sharkArray.length - 1; i >= 0; i--) {
		var shark = sharkArray[i];
		shark.update();
		var sharkDistance = Math.sqrt(Math.pow(boat.x - shark.x, 2) + Math.pow(boat.y - shark.y, 2));
		if (sharkDistance < 100) {
			lives -= 1;
			LK.effects.flashScreen(0xFF0000, 500);
			LK.getSound('danger').play();
			shark.destroy();
			sharkArray.splice(i, 1);
			if (lives <= 0) {
				LK.showGameOver();
			}
		} else if (shark.y > 2732) {
			shark.destroy();
			sharkArray.splice(i, 1);
		}
	}
	for (var i = jellyfishArray.length - 1; i >= 0; i--) {
		var jellyfish = jellyfishArray[i];
		jellyfish.update();
		var jellyDistance = Math.sqrt(Math.pow(boat.x - jellyfish.x, 2) + Math.pow(boat.y - jellyfish.y, 2));
		if (jellyDistance < 85) {
			lives -= 1;
			LK.effects.flashScreen(0xFF00FF, 500);
			LK.getSound('danger').play();
			jellyfish.destroy();
			jellyfishArray.splice(i, 1);
			if (lives <= 0) {
				LK.showGameOver();
			}
		} else if (jellyfish.y > 2732) {
			jellyfish.destroy();
			jellyfishArray.splice(i, 1);
		}
	}
	updateUI();
};

===================================================================
--- original.js
+++ change.js
@@ -281,16 +281,20 @@
 	}
 	for (var i = fishArray.length - 1; i >= 0; i--) {
 		var fish = fishArray[i];
 		fish.update();
-		var boatDistance = Math.sqrt(Math.pow(boat.x - fish.x, 2) + Math.pow(boat.y - fish.y, 2));
-		if (boatDistance < 70) {
-			score -= 5;
-			if (score < 0) {
-				score = 0;
-			}
+		var hookGlobalPos = boat.toGlobal(boat.hookContainer.position);
+		var hookCheckRadius = 50;
+		var hookDistance = Math.sqrt(Math.pow(hookGlobalPos.x - fish.x, 2) + Math.pow(hookGlobalPos.y - fish.y, 2));
+		if (boat.hookDeployed && hookDistance < hookCheckRadius) {
+			lives -= 1;
+			LK.effects.flashScreen(0xFFFF00, 500);
+			LK.getSound('danger').play();
 			fish.destroy();
 			fishArray.splice(i, 1);
+			if (lives <= 0) {
+				LK.showGameOver();
+			}
 		} else if (fish.y > 2732) {
 			fish.destroy();
 			fishArray.splice(i, 1);
 		}