/**** 
* Classes
****/ 
//<Assets used in the game will automatically appear here>
// Baby Shark class
var BabyShark = Container.expand(function () {
	var self = Container.call(this);
	self.currentWidth = 200; // Initialize currentSize property
	self.heightRatio = 124.0 / 200; // Define height ratio property
	self.speed = 10;
	self.velocityY = 0;
	self.shark = self.attachAsset('babyShark', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: self.currentWidth,
		height: self.currentWidth * self.heightRatio
	});
	self.collisionBody = self.attachAsset('collisionBody', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.7,
		x: self.currentWidth * 0.25,
		y: 10,
		width: self.shark.width * 0.5,
		height: self.shark.width * 0.5
	});
	self.update = function () {
		self.velocityY += 0.4; // Further reduced gravity effect
		self.y += self.velocityY;
		if (self.y >= 2732 - self.shark.height * 0.5) {
			self.y = 2732 - self.shark.height * 0.5;
			self.velocityY = 0;
		}
		if (self.y <= self.shark.height * 0.5) {
			self.y = self.shark.height * 0.5;
			self.velocityY = 0;
		}
		// Update logic for Baby Shark
		if (isDebug) {
			debugTxt.setText("Y: ".concat(self.y.toFixed(0), ", Height: ").concat(self.shark.height));
		}
	};
	self.grow = function () {
		self.currentWidth += 50;
		self.shark.width = self.currentWidth;
		self.shark.height = self.currentWidth * self.heightRatio;
		//self.collisionBody.width = self.height / 2;
		//self.collisionBody.height = self.height / 2;
		self.collisionBody.width = self.currentWidth * 0.45;
		self.collisionBody.height = self.currentWidth * 0.45;
		self.collisionBody.x = self.shark.width * 0.25;
		self.collisionBody.y = self.height * 0.05;
	};
});
// Fish class
var Fish = Container.expand(function (fishType) {
	var self = Container.call(this);
	self.fishType = fishType;
	self.fish = self.attachAsset('fish' + fishType, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.collisionBody = self.attachAsset('collisionBody', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.7,
		x: -self.fish.width * 0.25,
		width: self.fish.width * 0.5,
		height: self.fish.width * 0.5
	});
	self.speed = 5;
	self.update = function () {
		self.x -= self.speed;
		if (self.x < -self.width) {
			self.destroy();
		}
	};
});
// Fish1 class
var Fish1 = Container.expand(function () {
	var self = Container.call(this);
	self.fish = self.attachAsset('fish1', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.collisionBody = self.attachAsset('collisionBody', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.7,
		x: -self.fish.width * 0.25,
		width: self.fish.width * 0.5,
		height: self.fish.width * 0.5
	});
	self.speed = 5;
	self.collided = false;
	self.update = function () {
		self.x -= self.speed;
		if (self.x < -self.width) {
			self.destroy();
		}
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x0000ff // Init game with blue background
});

/**** 
* Game Code
****/ 
// Global variable declarations
var babyShark;
var nbFishTypes = 6;
var fishes = [];
var score;
var scoreTxt;
var currentProgressTxt;
var debugTxt;
var isDebug = true; // Global variable for debugging mode
var sharkLevel = 1;
var currentProgress = 0;
var lastCollisionCheckTimeFish1 = 0; // Global variable to track the last collision check time for Fish1
var collisionCheckDelay = 128; // Global variable for collision check delay in milliseconds
var background1;
var lastCollisionCheckTime = 0; // Global variable to track the last collision check time for fishes;
function spawnFish(fishType) {
	if (fishType > nbFishTypes) {
		fishType = nbFishTypes;
	}
	var fish = new Fish(fishType);
	fish.x = 2048 + 50;
	fish.y = Math.random() * (2732 - fish.height) + fish.height / 2;
	fishes.push(fish);
	game.addChild(fish);
}
function checkCollision(obj1, obj2) {
	// Calculate the center positions of the collision bodies
	var obj1CenterX = obj1.x + obj1.collisionBody.x;
	var obj1CenterY = obj1.y + obj1.collisionBody.y;
	var obj2CenterX = obj2.x + obj2.collisionBody.x;
	var obj2CenterY = obj2.y + obj2.collisionBody.y;
	// Calculate the distance between the centers
	var dx = obj1CenterX - obj2CenterX;
	var dy = obj1CenterY - obj2CenterY;
	var distance = Math.sqrt(dx * dx + dy * dy);
	// Calculate the sum of the radii
	var obj1Radius = obj1.collisionBody.width / 2;
	var obj2Radius = obj2.collisionBody.width / 2;
	var sumRadii = obj1Radius + obj2Radius;
	// Return true if the distance is less than the sum of the radii
	return distance < sumRadii;
}
function spawnFishes() {
	if (LK.ticks % 60 == 0) {
		spawnFish(sharkLevel);
	}
	if (LK.ticks % 300 == 0) {
		spawnFish(sharkLevel + 2);
	}
	if (LK.ticks % 180 == 0) {
		spawnFish(sharkLevel + 1);
	}
}
function updateFishCollisions() {
	var currentTime = Date.now();
	if (currentTime - lastCollisionCheckTime < collisionCheckDelay) {
		return;
	}
	lastCollisionCheckTime = currentTime;
	var offset = babyShark.shark.width * 1.5; // Define the x offset range based on baby shark's width
	for (var i = fishes.length - 1; i >= 0; i--) {
		if (Math.abs(babyShark.x - fishes[i].x) > offset) {
			continue; // Skip fishes outside the x offset range
		}
		if (checkCollision(babyShark, fishes[i])) {
			// Play crunch sound
			LK.getSound('crunch').play();
			if (fishes[i].fishType <= sharkLevel) {
				// Baby shark eats the fish
				score += 10;
				scoreTxt.setText(score);
				currentProgress += 1;
				currentProgressTxt.setText(currentProgress + "/10");
				if (currentProgress >= 10) {
					sharkLevel += 1;
					currentProgress = 0;
					babyShark.grow();
					LK.getSound('levelUp').play(); // Play level up sound
				}
				fishes[i].destroy();
				fishes.splice(i, 1);
			} else {
				// Baby shark gets eaten
				LK.effects.flashScreen(0xff0000, 1000);
				LK.showGameOver();
			}
			return;
		}
	}
}
function updateBackgrounds() {
	background1.x -= 2;
	background2.x -= 2;
	if (background1.x <= -2732 / 2) {
		background1.x = 2732 + 2732 / 2;
	}
	if (background2.x <= -2732 / 2) {
		background2.x = 2732 + 2732 / 2;
	}
}
function gameInitialize() {
	background1 = LK.getAsset('background', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2732 / 2,
		y: 2732 / 2
	});
	background2 = LK.getAsset('background2', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2732 + 2732 / 2,
		y: 2732 / 2
	});
	game.addChild(background1);
	game.addChild(background2);
	babyShark = game.addChild(new BabyShark());
	babyShark.x = 150;
	babyShark.y = 2732 / 2;
	babyShark.velocityY = 0;
	babyShark.collisionBody.visible = isDebug; // Show collision body if debugging
	fish1s = [];
	fish2s = [];
	score = 0;
	scoreTxt = new Text2('0', {
		size: 100,
		fill: "#ffffff",
		dropShadow: true,
		dropShadowColor: "#000000",
		dropShadowBlur: 4,
		dropShadowDistance: 6
	});
	scoreTxt.anchor.set(0.5, 0);
	LK.gui.top.addChild(scoreTxt);
	currentProgress = 0;
	currentProgressTxt = new Text2('0/10', {
		size: 100,
		fill: "#ffffff",
		dropShadow: true,
		dropShadowColor: "#000000",
		dropShadowBlur: 4,
		dropShadowDistance: 6
	});
	currentProgressTxt.anchor.set(1, 0);
	LK.gui.topRight.addChild(currentProgressTxt);
	debugTxt = new Text2('Debug Mode', {
		size: 50,
		fill: "#ff0000",
		dropShadow: true,
		dropShadowColor: "#000000",
		dropShadowBlur: 4,
		dropShadowDistance: 6
	});
	debugTxt.anchor.set(0.5, 1);
	LK.gui.bottom.addChild(debugTxt);
}
game.down = function (x, y, obj) {
	babyShark.velocityY = -20;
};
game.update = function () {
	updateBackgrounds();
	spawnFishes();
	updateFishCollisions();
};
gameInitialize();

===================================================================
--- original.js
+++ change.js
@@ -126,8 +126,11 @@
 var collisionCheckDelay = 128; // Global variable for collision check delay in milliseconds
 var background1;
 var lastCollisionCheckTime = 0; // Global variable to track the last collision check time for fishes;
 function spawnFish(fishType) {
+	if (fishType > nbFishTypes) {
+		fishType = nbFishTypes;
+	}
 	var fish = new Fish(fishType);
 	fish.x = 2048 + 50;
 	fish.y = Math.random() * (2732 - fish.height) + fish.height / 2;
 	fishes.push(fish);