![]() Your debug text will be printing to the Console window, but this might not be visible in Unity. With the script attached, you are finally ready to try it out! Click the Play button up at the top of the screen.Īt first, you might not notice anything. Once you have created your GameObject, you can attach the script to it by dragging the script from the project file onto the GameObject in the Hierarchy, or by clicking on the GameObject and clicking the “Add Component” button in the Inspector, then typing in the script name or browsing to it using the menu. Step 8 – Attach the script to the GameObject Rename your new object to something like “Test Object”. In order to run, it has to be attached to a GameObject in the scene.Ĭreate an empty GameObject in the scene by right-clicking in the Hierarchy window and choosing “Create Empty”. However, a script in the project folder will never be run on its own. Save it now so we can try it out! Step 7 – Create a GameObject in the Unity sceneīack in Unity, it’s time to run our script. This will also occur with Unity scene names! You can always tell if a file isn’t saved in Visual Studio by seeing the asterisk * in the file name. You can use whatever you like inside the quotes – make your program say something silly or interesting if you like! UNITY CATLIGHT CODING MATH BASICS CODEThis code will make whatever is in the quotes print to the debug console. It is important to remember that curly braces are used to show groupings in the code – if we want our code to be part of the Start() function, it needs to be inside that function’s curly braces! Add a new line inside the curly braces surrounding the Start() function. Let’s write our first code to see how these functions work. Update() repeats every frame – roughly 60 times per second! Step 5 – Add a debug log in the Start() function Start() happens once when the GameObject the script is attached to is created. These are two special functions built in to Unity. In Unity scripting, functions are like batches of commands – somewhat like a recipe the game should follow. Inside the class, you will see two other bits of code – one with the word Start and one with the word Update, both followed by parentheses ( ) Your script file name and the class name have to match exactly, or the script won’t work! This includes upper and lower case differences, too. ![]() Every script has a class inside it, which holds the functionality for that script. In this case, the curly braces are around something called a class. They indicate a group of code that is related. Second you’ll see that most of the script is enclosed in curly braces Ĭurly braces, in C# programming, are like containers. These are needed when you use special functionality from Unity or other sources. There are several main regions of the script – see the image above for details.įirst, you have the “using” statements at the top. This basic code is put there by Unity to make writing your first script easier. When the script opens, you will see it already has some code inside it. These programs are designed to help you write code easily – like Word, but for code writing! Visual Studio is a type of program called an IDE – Integrated Development Environment. UNITY CATLIGHT CODING MATH BASICS FREEYou can create a free account if you don’t already have one (Fife College students will have one as part of your college account), or you can use it without an account. Step 4 – Examine the script and identify each area If you forget to name it right away, you’ll need to change the name twice – once for the file, and once for the class name inside the script (see Step 4). For multiple words, capitalize each new word’s first letter – this is called PascalCase.Use a capital letter at the start, then lower case letters.Never use spaces (the script won’t work).When naming scripts, you must follow these naming conventions: You should name your script right away – for this script, let’s call it TestScript. Step 3 – Inside the new folder, create a new C# scriptĬreate a C# script in the same way that you created the folder. You can create new files and folders by right-clicking in the Project window, then choosing Create, and finally selecting the type of file you would like to create (in this case, a folder). Step 1 – Open your Unity project Step 2 – In the Project window, create a new Scripts folder ![]() This tutorial will introduce the basics of how a Unity script is set up, and more detail will be provided later. Scripts in Unity use the C# programming language. However, in the case of scripts, you can define all of the settings and behaviour yourself using code. Like the built in components in Unity such as the Sprite Renderer or Rigidbody, scripts can have settings and behaviour. Unity Project and Version Control SetupĪ Unity script is a special type of Component. ![]()
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