Getting Started with Unity: A Beginner’s Guide
Tags: gamedev, beginners, javascript, programming
Published: 2024-02-19 12:43:50

In the ever exciting world of game development, it is an undeniable fact that Unity is one of the most popular platforms used in game development. Unity is a powerful and versatile game engine that's used by professionals and beginners alike. If your reading this, you are probably interested in creating your own games so don't worry I've got you covered. In this guide, I'll be talking about the basics of getting started in Unity. 

## What is Unity?

Unity is a cross-platform game engine that was developed by Unity Technologies in 2005 which allows you to create both 2D and 3D games, as well as simulations and other experiences. With its great interface and wide range of features, Unity is a great choice for both beginners and experienced developers.

## Setting Up Unity

Before you can start creating games with Unity, you'll need to download and install the software. In order to do this, 

- Visit the [Unity Official Website](https://unity.com/learn/get-started) and download the Unity Hub. This will serves as your main control area for all your Unity projects.

- Once your done installing Unity hub, you will see a prompt asking you to create a Unity ID. This ID is the most essential thing for accessing Unity services and resources.

- After creating your ID, click on installs within the hub and an select the Unity version you want to use (according to the specifications of your device). Then click on install. Once it's done you are ready to create your own games.

## Exploring Unity's Interface

Unity's interface might seem quite complex or overwhelming at first but don't worry about it. Here are some of the key components you will come across while using the interface;

1. Scene View: This is just like your canvas. It shows the visual representation of your game world or scene in 3D. You can also  place objects (otherwise called GameObjects), adjust their positions, etc.

2. Game View: This is where your game is simulated showing how it will look when played. It's just like viewing how your game look like when playing it.

3. Hierarchy Window: This lists all the GameObjects in your scene. You can also rearrange the hierarchical order of your GameObjects.

4. Console Window; This shows messages, warnings and errors during gameplay, It is also important for removing bugs and problems concerning your code.

5. Navigation Bar: This allows you to switch between different layouts either 2D, 3D or animation.

There are lots of other components which you can explore while using Unity.


Building Your First Scene

Before building your first scene, it is really important to note that Unity makes use of C# and JavaScript for scripting which means you will need a little bit of prior knowledge on C# or Javascript in order for you to manipulate GameObjects, create custom behaviors and add some interactivity.

### Learn the Basics of Scripting

Unity's power lies in its scripting capabilities. You can use either C# or Javascript( although the former is more popular). Here is a basic example of how to script using C#;

```csharp
using UnityEngine;

public class PlayerMovement : MonoBehaviour
{
    public float speed = 5f;

    void Update()
    {
        float horizontalInput = Input.GetAxis("Horizontal");
        float verticalInput = Input.GetAxis("Vertical");

        Vector3 movement = new Vector3(horizontalInput, 0f, verticalInput) * speed * Time.deltaTime;
        transform.Translate(movement);
    }
}

```

This simple script moves your player when you press arrow keys. You can attach it to your player object.

 Although, if you don't have any knowledge on C# or Javascript, there is no need to worry as there are valuable resources and tutorials on C# and Javascript coding in Unity.
Now that you have some knowledge on C#, let's build our first scene. Follow these steps to create a simple scene;

1. In the Unity Hub click on "New" and choose a 3D template. Don't forget to give your project a name and select a location for the project.

2. Once you are in the Unity Editor, you will see an empty scene. Click on "Create" to add a default cube. By doing this you have successfully created your first GameObject.

4. In the hierarchical window, right-click and create a new empty gameobject. Add other objects like cubes, lights, cones, etc.

5. In the scene view section, select a gameobject then use the Move, Rotate and Scale tools at the top left corner to adjust the position, rotation and size of the game object.

6. Add some components such as Transform(for position,rotation and scale), RigidBody,etc to define the behaviour of your gameobject

7. Add a script to a GameObject by creating a new script in the Project panel, then drag and drop it onto the desired object in the Hierarchy or Inspector panel. Then open the script in the code editor to start writing code that controls the object's behaviour.

8. Finally, click the play button to test your scene in the Game View window and observe how the GameObjects interact and respond to your input.

Unity allows you to build your games or projects for various platforms such as PC, mobile devices and consoles. As you become more comfortable with Unity, you can start exploring it's advanced features such as artificial intelligence, networking, etc. Also, Unity provides a wide range of tools and resources to help you create immersive and engaging games. Some of these resources include;

- **Unity Learn**: Explore the [Unity Learn platform](https://unity.com/learn/get-started) for free tutorials, courses, and projects. It's best to start with the **Unity Essentials Pathway** for beginners.

- **Unity Forums**: Join the vibrant community of game development enthusiasts where you can ask questions, share experiences, and learn from fellow creators and developers.

## Conclusion
Getting started with Unity might seem very challenging at first, but with consistence practice, you will be creating your games in no time. After-all, the best way to learn is by doing, so don't be afraid to try out new things and make mistakes. Also, never hesitate to ask for help as the Unity community is incredibly supportive. 

_> Please note that this is a very basic introduction to Unity. Unity is a powerful tool with many more features and capabilities. As you get more comfortable with the basics, I encourage you to explore more advanced topics such as animation, audio, and physics. Good luck on your game development journey!_

## Sources:
(1) Unity for Beginners | Unity. https://unity.com/learn/get-started.

(2) Beginner Fundamentals: Unity Game Dev Course - Unity Learn. https://learn.unity.com/course/unity-beginner-fundamentals.

(3) Unity - Manual: 3D game development quickstart guide. https://docs.unity3d.com/Manual/Quickstart3D.html.

(4) Unity - Manual: Basics. https://docs.unity3d.com/560/Documentation/Manual/UnityBasics.html.

(5) The Ultimate Beginners Guide To Game Development In Unity. https://www.freecodecamp.org/news/the-ultimate-beginners-guide-to-game-development-in-unity-f9bfe972c2b5/.


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