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

/**** 
* Classes
****/ 
var Fish = Container.expand(function (type) {
	var self = Container.call(this);
	var fishType = type || 'small';
	var fishGraphics = self.attachAsset(fishType + 'Fish', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.fishType = fishType;
	self.speed = -4 - Math.random() * 2;
	self.points = fishType === 'small' ? 10 : fishType === 'medium' ? 25 : 50;
	self.waveAmplitude = Math.random() * 100 + 50;
	self.waveFrequency = Math.random() * 0.05 + 0.02;
	self.waveOffset = Math.random() * Math.PI * 2;
	self.startY = self.y;
	self.movePattern = Math.random() < 0.7 ? 'straight' : 'wave';
	self.update = function () {
		self.x += self.speed;
		if (self.movePattern === 'wave') {
			self.y = self.startY + Math.sin(self.x * self.waveFrequency + self.waveOffset) * self.waveAmplitude;
		}
	};
	return self;
});
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -5;
	self.update = function () {
		self.x += self.speed;
	};
	return self;
});
var Shark = Container.expand(function () {
	var self = Container.call(this);
	var sharkGraphics = self.attachAsset('shark', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.targetY = 2732 / 2;
	self.speed = 3;
	self.scaleX = 1.0;
	self.scaleY = 1.0;
	self.update = function () {
		// Smooth movement towards target Y position
		var diff = self.targetY - self.y;
		self.y += diff * 0.1;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x006994
});

/**** 
* Game Code
****/ 
var shark = game.addChild(new Shark());
shark.x = 300;
shark.y = 2732 / 2;
var scoreTxt = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0, 0);
LK.gui.topRight.addChild(scoreTxt);
scoreTxt.x = -20;
scoreTxt.y = 20;
var fish = [];
var obstacles = [];
var gameSpeed = 1;
var spawnTimer = 0;
var obstacleTimer = 0;
var speedIncreaseTimer = 0;
// Dragging variables
var isDragging = false;
var dragStartY = 0;
var sharkStartY = 0;
function spawnFish() {
	var fishTypes = ['small', 'small', 'small', 'medium', 'medium', 'large'];
	var type = fishTypes[Math.floor(Math.random() * fishTypes.length)];
	var newFish = new Fish(type);
	newFish.x = 2048 + 50;
	newFish.y = Math.random() * (2732 - 200) + 100;
	newFish.startY = newFish.y;
	fish.push(newFish);
	game.addChild(newFish);
}
function spawnObstacle() {
	var newObstacle = new Obstacle();
	newObstacle.x = 2048 + 50;
	newObstacle.y = Math.random() * (2732 - 200) + 100;
	obstacles.push(newObstacle);
	game.addChild(newObstacle);
}
game.down = function (x, y, obj) {
	isDragging = true;
	dragStartY = y;
	sharkStartY = shark.targetY;
};
game.move = function (x, y, obj) {
	if (isDragging) {
		var deltaY = y - dragStartY;
		shark.targetY = Math.max(60, Math.min(2732 - 60, sharkStartY + deltaY));
	}
};
game.up = function (x, y, obj) {
	isDragging = false;
};
game.update = function () {
	spawnTimer++;
	obstacleTimer++;
	speedIncreaseTimer++;
	// Spawn fish
	if (spawnTimer >= Math.max(30 - Math.floor(gameSpeed), 15)) {
		spawnFish();
		spawnTimer = 0;
	}
	// Spawn obstacles occasionally
	if (obstacleTimer >= Math.max(200 - Math.floor(gameSpeed * 10), 100)) {
		if (Math.random() < 0.3) {
			spawnObstacle();
		}
		obstacleTimer = 0;
	}
	// Increase game speed over time
	if (speedIncreaseTimer >= 300) {
		gameSpeed += 0.1;
		speedIncreaseTimer = 0;
	}
	// Update and check fish
	for (var i = fish.length - 1; i >= 0; i--) {
		var currentFish = fish[i];
		// Initialize tracking variables
		if (currentFish.lastX === undefined) currentFish.lastX = currentFish.x;
		if (currentFish.lastIntersecting === undefined) currentFish.lastIntersecting = false;
		// Check if fish went off screen
		if (currentFish.lastX >= -100 && currentFish.x < -100) {
			currentFish.destroy();
			fish.splice(i, 1);
			continue;
		}
		// Check collision with shark
		var currentIntersecting = shark.intersects(currentFish);
		if (!currentFish.lastIntersecting && currentIntersecting) {
			var currentScore = LK.getScore();
			var canEat = false;
			// Check if shark can eat this fish type based on score
			if (currentFish.fishType === 'small') {
				canEat = true; // Can always eat small fish
			} else if (currentFish.fishType === 'medium') {
				canEat = currentScore >= 200; // Can eat medium fish after 200 points
			} else if (currentFish.fishType === 'large') {
				canEat = currentScore >= 500; // Can eat large fish after 500 points
			}
			if (canEat) {
				// Fish eaten
				var newScore = currentScore + currentFish.points;
				LK.setScore(newScore);
				scoreTxt.setText('Score: ' + newScore);
				LK.getSound('eat').play();
				// Scale shark based on score milestones
				var newScale = 1.0;
				if (newScore >= 500) {
					newScale = 1.5;
				} else if (newScore >= 200) {
					newScale = 1.25;
				}
				// Animate shark scaling if it changed
				if (shark.scaleX !== newScale) {
					tween(shark, {
						scaleX: newScale,
						scaleY: newScale
					}, {
						duration: 300,
						easing: tween.easeOut
					});
				}
				// Flash effect
				LK.effects.flashObject(currentFish, 0x00ff00, 200);
				currentFish.destroy();
				fish.splice(i, 1);
				continue;
			} else {
				// Can't eat this fish - bounce back effect
				LK.effects.flashObject(currentFish, 0xff0000, 200);
				LK.effects.flashObject(shark, 0xff0000, 200);
			}
		}
		// Update tracking variables
		currentFish.lastX = currentFish.x;
		currentFish.lastIntersecting = currentIntersecting;
	}
	// Update and check obstacles
	for (var j = obstacles.length - 1; j >= 0; j--) {
		var currentObstacle = obstacles[j];
		// Initialize tracking variables
		if (currentObstacle.lastX === undefined) currentObstacle.lastX = currentObstacle.x;
		if (currentObstacle.lastIntersecting === undefined) currentObstacle.lastIntersecting = false;
		// Check if obstacle went off screen
		if (currentObstacle.lastX >= -100 && currentObstacle.x < -100) {
			currentObstacle.destroy();
			obstacles.splice(j, 1);
			continue;
		}
		// Check collision with shark
		var currentIntersecting = shark.intersects(currentObstacle);
		if (!currentObstacle.lastIntersecting && currentIntersecting) {
			// Hit obstacle - game over
			LK.getSound('hit').play();
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
			return;
		}
		// Update tracking variables
		currentObstacle.lastX = currentObstacle.x;
		currentObstacle.lastIntersecting = currentIntersecting;
	}
	// Keep shark within bounds
	if (shark.y < 30) shark.y = 30;
	if (shark.y > 2732 - 30) shark.y = 2732 - 30;
};
// Play background music
LK.playMusic('ocean');

===================================================================
--- original.js
+++ change.js
@@ -14,9 +14,9 @@
 		anchorY: 0.5
 	});
 	self.fishType = fishType;
 	self.speed = -4 - Math.random() * 2;
-	self.points = fishType === 'small' ? 1 : fishType === 'medium' ? 3 : 5;
+	self.points = fishType === 'small' ? 10 : fishType === 'medium' ? 25 : 50;
 	self.waveAmplitude = Math.random() * 100 + 50;
 	self.waveFrequency = Math.random() * 0.05 + 0.02;
 	self.waveOffset = Math.random() * Math.PI * 2;
 	self.startY = self.y;