/**** 
* Classes
****/ 
// Obstacle class representing the obstacles the fish must avoid
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -5;
	// Update function to move the obstacle
	self.update = function () {
		self.x += self.speed;
		// Remove obstacle if it goes off screen
		if (self.x < -obstacleGraphics.width) {
			self.destroy();
		}
	};
});
// The assets will be automatically created and loaded by the LK engine based on their usage in the code.
// We will use a fish shape and obstacles in the game.
// Fish class representing the player character
var Pig = Container.expand(function () {
	var self = Container.call(this);
	var pigGraphics = self.attachAsset('pig', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.gravity = 0.5;
	self.lift = -10;
	self.velocity = 0;
	// Update function to apply gravity and lift
	self.update = function () {
		self.velocity += self.gravity;
		self.y += self.velocity;
		// Prevent fish from going off the top of the screen
		if (self.y < 0) {
			self.y = 0;
			self.velocity = 0;
		}
	};
	// Function to make the fish jump
	self.jump = function () {
		self.velocity = self.lift;
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB // Light blue background to represent the sky
});

/**** 
* Game Code
****/ 
// Initialize game variables
var pig = game.addChild(new Pig());
pig.x = 2048 / 4; // Start pig at 1/4th of the screen width
pig.y = 2732 / 2; // Center pig vertically
var obstacles = [];
var score = 0;
var scoreTxt = new Text2('0', {
	size: 150,
	fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Function to create a new obstacle
function createObstacle() {
	var obstacle = new Obstacle();
	obstacle.x = 2048;
	obstacle.y = Math.random() * 2732; // Random vertical position
	obstacles.push(obstacle);
	game.addChild(obstacle);
}
// Handle game updates
game.update = function () {
	pig.update();
	// Check for collisions with obstacles
	for (var i = obstacles.length - 1; i >= 0; i--) {
		obstacles[i].update();
		if (pig.intersects(obstacles[i])) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
		// Remove off-screen obstacles
		if (obstacles[i].x < -obstacles[i].width) {
			obstacles[i].destroy();
			obstacles.splice(i, 1);
			score++;
			scoreTxt.setText(score);
		}
	}
	// Create new obstacles periodically
	if (LK.ticks % 120 == 0) {
		createObstacle();
	}
	// Check if pig falls below the screen
	if (pig.y > 2732) {
		LK.effects.flashScreen(0xff0000, 1000);
		LK.showGameOver();
	}
	// Increment score every second
	if (LK.ticks % 60 == 0) {
		score++;
		scoreTxt.setText(score);
	}
};
// Handle touch events to make the fish jump
game.down = function (x, y, obj) {
	pig.jump();
};