/**** 
* Classes
****/ 
// Assets will be automatically created based on usage in the code.
// Ball class
var Ball = Container.expand(function () {
	var self = Container.call(this);
	var ballGraphics = self.attachAsset('basketball', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocity = {
		x: 0,
		y: 0
	};
	self.update = function () {
		if (isDragging) {
			self.x += self.velocity.x;
			self.y += self.velocity.y;
			self.velocity.y += 0.98; // Gravity effect
			// Bounce off the walls
			if (self.x < 0 || self.x > 2048) {
				self.velocity.x *= -0.8;
			}
			if (self.y > 2732) {
				self.velocity.y *= -0.8; // Bounce back up with reduced energy
				self.y = 2732; // Reset position to the bottom of the screen
			}
		}
	};
});
// Hoop class
var Hoop = Container.expand(function () {
	var self = Container.call(this);
	var hoopGraphics = self.attachAsset('hoop', {
		anchorX: 0.5,
		anchorY: 0.5
	});
});

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

/**** 
* Game Code
****/ 
// Function to respawn the ball at the top of the screen
function respawnBall() {
	ball = game.addChild(new Ball());
	ball.x = 1024; // Center horizontally
	ball.y = 0; // Start at the top of the screen
	ball.velocity.x = 0; // Reset horizontal velocity
	ball.velocity.y = 0; // Reset vertical velocity
}
var ball;
var hoop;
var isDragging = false;
var dragStart = {
	x: 0,
	y: 0
};
// Initialize ball and hoop
function initGame() {
	ball = game.addChild(new Ball());
	ball.x = 1024; // Center horizontally
	ball.y = 0; // Start at the top of the screen
	hoop = game.addChild(new Hoop());
	hoop.x = 1024; // Center horizontally
	hoop.y = 2732 / 2; // Center vertically
}
// Function to handle the dragging of the ball
function dragBall() {
	// Handle drag start
	game.on('down', function (obj) {
		var pos = obj.event.getLocalPosition(game);
		if (Math.abs(pos.x - ball.x) < 50 && Math.abs(pos.y - ball.y) < 50 && pos.y < 200) {
			dragStart.x = pos.x;
			dragStart.y = pos.y;
			isDragging = true;
		}
	});
	// Handle drag move
	game.on('move', function (obj) {
		if (!isDragging) {
			return;
		}
		var pos = obj.event.getLocalPosition(game);
		if (pos.y > 200) {
			isDragging = false;
			// Calculate the cursor speed
			var cursorSpeed = Math.sqrt(Math.pow(pos.x - dragStart.x, 2) + Math.pow(pos.y - dragStart.y, 2)) / 3;
			ball.velocity.x = (pos.x - dragStart.x) / cursorSpeed;
			ball.velocity.y = (pos.y - dragStart.y) / cursorSpeed;
			// Calculate the predicted movement of the ball
			var predictedX = ball.x + ball.velocity.x * (2732 - pos.y) / ball.velocity.y;
			if (predictedX < 0) {
				predictedX = 0;
			} else if (predictedX > 2048) {
				predictedX = 2048;
			}
			ball.predictedX = predictedX;
			return;
		}
		ball.x = pos.x;
		ball.y = pos.y;
	});
	// Handle drag end
	game.on('up', function (obj) {
		if (!isDragging) {
			return;
		}
		var pos = obj.event.getLocalPosition(game);
		var dx = pos.x - dragStart.x;
		var dy = pos.y - dragStart.y;
		// The speed of the ball is determined by the speed of the mouse move, divided by 3.
		ball.velocity.x = dx / 3;
		ball.velocity.y = dy / 3;
		isDragging = false;
	});
}
// Call the function to handle the dragging of the ball
dragBall();
// Check for scoring
function checkScore() {
	if (ball.intersects(hoop)) {
		LK.setScore(LK.getScore() + 1);
		// Reset ball position
		ball.x = 1024;
		ball.y = 2732 - 200;
		ball.velocity.x = 0;
		ball.velocity.y = 0;
	}
}
// Game tick
LK.on('tick', function () {
	ball.update();
	checkScore();
	// Check if the ball is off the screen, a basket is scored, or the ball has stopped moving
	if (ball.x < 0 || ball.x > 2048 || ball.y < 0 || ball.y > 2732 || ball.velocity.x == 0 && ball.velocity.y == 0) {
		// Destroy the ball
		ball.destroy();
		// Respawn the ball at the top of the screen
		respawnBall();
	}
	if (ball.intersects(hoop)) {
		// Increase the score
		LK.setScore(LK.getScore() + 1);
		// Destroy the ball
		ball.destroy();
		// Respawn the ball at the top of the screen
		respawnBall();
	}
});
// Initialize game elements
initGame();