Comprehensive application of PHP, Unity3D and Workerman: how to create a new virtual world

Integrated application of PHP, Unity3D and Workerman: How to create a new virtual world

Virtual Reality (Virtual Reality) technology has attracted widespread attention and enthusiasm since its inception. Virtual reality technology enables users to experience an immersive experience similar to the real world through a computer-generated virtual environment. In this article, we will explore how to use the comprehensive application of PHP, Unity3D and Workerman to create a new virtual world.

First of all, we need to understand the respective functions and characteristics of PHP, Unity3D and Workerman. PHP is a scripting language widely used in web development. It can handle databases, generate dynamic web pages and interact with users. Unity3D is a powerful game engine that can create realistic 3D games and virtual scenes. Workerman is a high-performance network communication framework developed based on PHP, which can help us handle concurrent connections and real-time communication.

In this virtual world, we will realize a multi-person online interactive experience. First, we can write a simple chat room program in PHP to handle the sending and receiving of messages between users. The following is a sample code for a simple PHP chat room:

<?php
class Chat
{
    protected $sockets = [];

    public function __construct($address, $port)
    {
        $socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
        socket_set_option($socket, SOL_SOCKET, SO_REUSEADDR, 1);
        socket_bind($socket, $address, $port);
        socket_listen($socket);

        $this->sockets[] = $socket;

        while (true) {
            $changedSockets = $this->sockets;
            socket_select($changedSockets, $write = null, $except = null, null);

            foreach ($changedSockets as $socket) {
                if ($socket === $this->sockets[0]) {
                    $this->accept();
                } else {
                    $this->handleMessage($socket);
                }
            }
        }
    }

    protected function accept()
    {
        $clientSocket = socket_accept($this->sockets[0]);
        $this->sockets[] = $clientSocket;
    }

    protected function handleMessage($socket)
    {
        $buffer = socket_read($socket, 1024, PHP_NORMAL_READ);
        $this->sendMessage($buffer);
    }

    protected function sendMessage($buffer)
    {
        foreach ($this->sockets as $socket) {
            if ($socket !== $this->sockets[0]) {
                socket_write($socket, $buffer, strlen($buffer));
            }
        }
    }
}

$chat = new Chat('localhost', 8000);

Next, we need to create a game scene in Unity3D that can connect to the server. In Unity3D, we can use C# scripts to communicate with the server. The following is a sample code for a simple Unity3D client:

using UnityEngine;
using System;
using System.Net.Sockets;
using System.Text;

public class ChatClient : MonoBehaviour
{
    private TcpClient client;
    private NetworkStream stream;
    private byte[] buffer;

    void Start()
    {
        client = new TcpClient("localhost", 8000);
        stream = client.GetStream();
        buffer = new byte[1024];
        stream.BeginRead(buffer, 0, buffer.Length, OnRead, null);
    }

    void OnRead(IAsyncResult result)
    {
        int bytesRead = stream.EndRead(result);
        string message = Encoding.ASCII.GetString(buffer, 0, bytesRead);
        Debug.Log("Received message: " + message);
        stream.BeginRead(buffer, 0, buffer.Length, OnRead, null);
    }

    void OnGUI()
    {
        if (Event.current.type == EventType.KeyDown && Event.current.keyCode == KeyCode.Return)
        {
            string message = "Hello, World!";
            byte[] buffer = Encoding.ASCII.GetBytes(message);
            stream.Write(buffer, 0, buffer.Length);
        }
    }
}

Finally, we can use Workerman to manage concurrent connections and real-time communication to the server. Workerman provides us with many powerful features, such as real-time push, WebSocket support, multi-process mode, etc. We can use the following code to start the Workerman server:

<?php
 require_once 'Workerman/Autoloader.php';

$worker = new Worker('tcp://0.0.0.0:8000');

$worker->onConnect = function($connection){
    echo "New Connection
";
};

$worker->onMessage = function($connection, $message){
    echo "Received message: " . $message . "
";
    $connection->send("Hello, Client!
");
};

Worker::runAll();

Through this sample code, we can see the powerful functions of the comprehensive application of PHP, Unity3D and Workerman in creating a new virtual world. Through PHP processing and Unity3D display, users can achieve multi-person online interactive experience in the virtual world. Workerman can help us handle concurrent connections and real-time communication of the server, making the entire system more stable and efficient.

The development and application prospects of the virtual world are unlimited. I hope the content of this article can inspire readers and encourage everyone to try to use PHP, Unity3D and Workerman in their own projects to create a more exciting virtual world. .

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