Unity Essentials: Programming Essentials Quiz

Quiz

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Foundational

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+60 XP

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Unity Technologies

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Question 1

Which of the following are true about scripting in Unity?

Select the three correct answers.

Select all correct answers

C# is the default scripting language used in Unity for creating game logic and interactions.

An external script editor must be used for coding, since you can’t write code directly inside the Unity Editor.

Scripts attached to GameObjects can control their behavior, animations, and interactions within the game.

Unity only supports JavaScript for game development and interaction logic.

Question 2

What is the purpose of the Update() function, which appears by default in any new script you create in Unity?

Select the one correct answer.

Select only one

To handle actions that need to occur on a frame-by-frame basis.

To initialize variables and set up game state before the game starts.

To save game data when exiting the game or application.

To manage the loading and unloading of game assets and scenes dynamically.

Question 3

There are two errors in the line of code below. What are the errors?

transform.Rotate(0, 0.25, 0) >

Select the two correct answers.

Select all correct answers

The line of code should end with a semicolon (;) instead of a greater than sign (>).

The number 0.25 should have an "f" suffix to explicitly indicate it is a float (0.25f).

The Rotate method does not accept three arguments.

The transform object needs to be capitalized (Transform) to be correctly referenced in Unity.

Question 4

Which statements are true about variables in C# programming?

Select the three correct answers.

Select all correct answers

Variables in C# can be of any data type, including integers, floats, and even GameObjects.

Variables can appear in the Unity Inspector window if they are declared as public within the script.

Variables in C# often use camelCase notation, where the first letter of the first word is lowercase, and the first letter of each subsequent word is capitalized.

Variables must be declared within the Start() function of a script.

Question 5

You have the code below in a Collectible script, but for some reason, when the Player GameObject collides with the collectible, the collectible doesn’t disappear. What could explain this?

    private void OnTriggerEnter(Collider other) {   
           if (other.CompareTag("Player")) {
                Destroy(gameObject);
           }
    }

Select the two correct answers.

Select all correct answers

The collectible object with this script attached does not have Is Trigger enabled in its Collider component.

There is a missing semicolon in the code snippet above.

The Player GameObject does not have the Player tag applied.

Instead of “OnTriggerEnter”, it should say “OnPlayerEnter”.

Question 6

What does the Instantiate() method do in a Unity script?

Select the one correct answer.

Select only one

It creates a new GameObject or a copy of an object at runtime, including all its components and properties.

It compiles the script at runtime, allowing for dynamic code changes.

It deletes a specified GameObject from the scene after a delay.

Pauses the execution of the script for a specified amount of time.

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