Basic Unity3D Interview Questions

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Home Unity 3D Developer

⟩ Basic Unity3D Interview questions

► What is the best game that you made with Unity?

► Which app on the app store did you make most money from?

► How did you create asset bundles for your game?

► What do you think about the threading model in Unity?

► When would you use plugins?

► How can you call c# from Javascript, and vice versa?

► How active are you on the forum and answers sites? (What's your username?)

► What editor scripting have you done, and how did that go?

► What is one change/improvement you'd make to Unity?

► What source code revision software would you recommend using?

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More Questions for you:

Can threads be used to modify a Texture on runtime?
Can threads be used to move a GameObject on the scene?
Consider the snippet below
class RandomGenerator  MonoBehaviour
{
 public float[] randomList;

 void Start()
 {
  randomList = new float[1000000];
 }

 void Generate()
 {
  System.Random rnd = new System.Random();
  for(int i=0;i<randomList.Length;i++) randomList[i] = (float)rnd.NextDouble();
 }
}
Improve this code using threads, so the 1000000 random number generation runs without spoiling performance.

Okay, we're going to work through a problem here?

Consider the following code snippet below

class Mover  MonoBehaviour
{
 Vector3 target;
 float speed;

 void Update()
 {
 
 }
}
Finish this code so the GameObject containing this script moves with constant speed towards target, and stop moving once it reaches 1.0, or less, units of distance?

Arrange the event functions listed below in the order in which they will be invoked when an application is closed

Update()
OnGUI()
Awake()
OnDisable()
Start()
LateUpdate()
OnEnable()
OnApplicationQuit()
OnDestroy()

Which of the following examples will run faster?

1000 GameObjects, each with a MonoBehaviour implementing the Update callback.
One GameObject with one MonoBehaviour with an Array of 1000 classes, each implementing a custom Update() callback?

Explain why Time.deltaTime should be used to make things that depend on time operate correctly?

Explain, in a few words, what roles the inspector, project and hierarchy panels in the Unity editor have. Which is responsible for referencing the content that will be included in the build process?

What's your biggest weakness? Or, if I hired you, what would I regret about it in six months?

Explain why deferred lighting optimizes scenes with a lot of lights and elements?

Can two GameObjects, each with only an SphereCollider, both set as trigger and raise OnTrigger events? Explain your answer?

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