/**** 
* Classes
****/ 
// Assets will be automatically created based on usage in the code.
// Planet class for the planets the player will jump between
var Planet = Container.expand(function () {
	var self = Container.call(this);
	this.planetGraphics = self.attachAsset('planet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Scale the planet size randomly from 20 to 100%
	var scale = Math.random() * 0.8 + 0.2; // Generate a random scale between 0.2 (20%) and 1.0 (100%)
	this.planetGraphics.scale.set(scale, scale); // Apply the scale to the planet
	self.radius = this.planetGraphics.width / 2 * scale; // Adjust the planet radius based on the scale
	self.update = function () {
		self.y += self.speed; // Move the planet down each tick
		if (self.y > 2732 + self.height / 2) {
			// If the planet moved out of the screen
			self.y = -self.height / 2; // It should appear on top again
			self.x = Math.random() * (2048 - player.width * 2) + player.width; // With a different x position - randomly, ensuring at least player's width margin to the game sides
		}
	};
	self.speed = Math.random() * 3 + 2; // Assign a random speed between 2 and 5 to each planet
});
// Player class for the main character
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.onGround = false;
	self.velocity = {
		x: 0,
		y: 0
	};
	self.speechBubble = self.attachAsset('speechBubble', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.speechBubble.visible = false;
	self.jump = function (power, angle) {
		if (self.onGround) {
			self.velocity.x = power * Math.cos(angle);
			self.velocity.y = power * Math.sin(angle);
			self.onGround = false;
		}
	};
	self.update = function () {
		self.x += self.velocity.x;
		self.y += self.velocity.y;
		self.velocity.y += 0.98; // Gravity effect
		self.speechBubble.visible = true;
	};
});
// RevolvingPlanet class for the planets that revolve around other planets
var RevolvingPlanet = Container.expand(function () {
	var self = Container.call(this);
	self.planetGraphics = self.attachAsset('revolvingPlanet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.parentPlanet = null;
	self.angle = Math.random() * Math.PI * 2; // Assign a random initial angle
	self.distance = Math.random() * 200 + 100; // Assign a random distance from the parent planet
	self.speed = Math.random() * 0.02 + 0.01; // Assign a random speed
	self.update = function () {
		if (self.parentPlanet) {
			self.angle += self.speed; // Update the angle
			self.x = self.parentPlanet.x + Math.cos(self.angle) * self.distance; // Update the x position
			self.y = self.parentPlanet.y + Math.sin(self.angle) * self.distance; // Update the y position
		}
	};
});

/**** 
* Initialize Game
****/ 
// Initialize a Text2 object to display the score
// Add the score text to the GUI overlay.
var game = new LK.Game({
	backgroundColor: 0x000000 // Init game with black background 
});

/**** 
* Game Code
****/ 
// Initialize a Text2 object to display the score
var scoreTxt = new Text2('0', {
	size: 150,
	fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0); // Sets anchor to the center of the top edge of the text.
LK.gui.top.addChild(scoreTxt);
var planets = [];
var background = game.attachAsset('background', {
	anchorX: 0.0,
	anchorY: 0.0
});
var player;
var jumpPower = 20;
var currentPlanet;
function setupGame() {
	// Create player
	player = new Player();
	player.x = 1024; // Start in the middle of the screen horizontally
	player.y = 1366; // Start in the middle of the screen vertically
	game.addChild(player);
	// Create planets
	for (var i = 0; i < 8; i++) {
		var planet = new Planet();
		planet.x = Math.random() * (2048 - player.width) + player.width / 2; // Ensure planet's x position leaves some margin of the player's width to the screens side
		planet.y = Math.random() * 2732;
		game.addChild(planet);
		planets.push(planet);
		// Create revolving planets for some of the planets
		if (Math.random() < 0.3) {
			// 30% chance to create a revolving planet
			var revolvingPlanet = new RevolvingPlanet();
			revolvingPlanet.parentPlanet = planet;
			var scale = planet.planetGraphics.scale.x / 2; // Scale the revolving planet to half the size of the parent planet
			revolvingPlanet.planetGraphics.scale.set(scale, scale);
			game.addChild(revolvingPlanet);
			planets.push(revolvingPlanet);
		}
	}
	// Create player
	planets[0].x = 1024; // Start the first planet in the middle of the screen horizontally
	planets[0].y = 1366; // Start the first planet in the middle of the screen vertically
	currentPlanet = planets[0];
	// Setup touch event to make the player jump
	game.on('down', function (obj) {
		var dx = player.x - currentPlanet.x;
		var dy = player.y - currentPlanet.y;
		var angle = Math.atan2(dy, dx);
		currentPlanet = null;
		player.jump(jumpPower, angle);
	});
}
function checkCollisions() {
	planets.forEach(function (planet) {
		var dx = player.x - planet.x;
		var dy = player.y - planet.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < player.width / 2 + planet.radius) {
			if (!player.onGround) {
				// Increase score when player lands on a planet
				LK.setScore(LK.getScore() + 1);
				// Update the score display
				scoreTxt.setText(LK.getScore());
			}
			player.onGround = true;
			player.velocity.y = 0;
			currentPlanet = planet;
			player.speechBubble.visible = false;
		}
	});
}
LK.on('tick', function () {
	if (!player.onGround) {
		player.x += player.velocity.x;
		player.y += player.velocity.y;
		player.speechBubble.visible = true;
	} else {
		if (currentPlanet) {
			var dx = player.x - currentPlanet.x;
			var dy = player.y - currentPlanet.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			var angle = Math.atan2(dy, dx);
			player.x = currentPlanet.x + (currentPlanet.radius + player.width / 2) * Math.cos(angle + 0.1);
			player.y = currentPlanet.y + (currentPlanet.radius + player.width / 2) * Math.sin(angle + 0.1);
		}
	}
	planets.forEach(function (planet) {
		planet.update();
	});
	checkCollisions();
	// Check if the player is out of the screen
	if (player.x < 0 || player.x > 2048 || player.y < 0 || player.y > 2732) {
		// End the game
		LK.showGameOver();
	}
});
setupGame();