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Creating Augmented Reality Apps with Unity and AR Foundation

Conditions

Explore how to apply conditional statements in C# within Unity to control the flow of your AR applications. Understand if, else if, else, switch statements, and the ternary operator, and learn best practices for clear, maintainable code. This lesson helps you create responsive and logical programming structures essential for AR development.

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Introduction

Conditions are an essential concept in programming and are used to control the flow of our program. In C# with Unity, we can use various conditional statements, such as if, else if, else, switch, and the ternary operator ? to control the flow of our code. In this lesson, we’ll explore the basics of conditions in C# with Unity, how to use them, and some best practices for working with them.

The if statement

Developers use the if statement to execute a block of code if a specific condition is true. Here’s an example:

C#
int health = 10;
if (health <= 0) {
    Debug.Log("You died!");
}

In this example, we’ve declared a variable called health and assigned it a value of 10. We’ve then used an if statement to check if health is less than or equal to 0. If the condition is true, the program executes the code inside the curly brackets, printing You died! to the Unity console. ...