Unity 🎮

1. What is Unity?

Unity is a cross-platform game engine used to build 2D, 3D games, AR/VR experiences, and simulations.

2. Key Features

2D & 3D game development 🎮
Physics engine ⚙️
Animation system 🕹️
Cross-platform export 📱💻🎮

3. Core Concept: Component System

GameObject → has components
Example:
Player → Rigidbody + Collider + Script

4. Scene System

Scene = Level / Map in game
Example:
Menu Scene
Level 1 Scene
Game Over Scene

5. Scripting (C#)

using UnityEngine;

public class Player : MonoBehaviour {
  void Update() {
    transform.Translate(1 * Time.deltaTime, 0, 0);
  }
}

6. Physics Engine

Gravity 🌍
Collision detection 💥
Rigidbody movement 🧱

7. Use Cases

Mobile games 📱
PC/Console games 🎮
AR/VR apps 🥽
Simulation training 🧠

8. Platforms

Android 📱
iOS 🍎
Windows 💻
PlayStation 🎮
WebGL 🌐