Adding and removing components in Unity - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to add a Rigidbody component to the GameObject.

Unity

gameObject.AddComponent<[1]>();

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ARigidbody

BCollider

CTransform

DAnimator

Attempts:

3 left

💡 Hint

Common Mistakes

Using a component that does not exist or is unrelated to physics.

Trying to add Transform which is already present by default.

The AddComponent<Rigidbody>() method adds a Rigidbody component to the GameObject.

2fill in blank

medium

Complete the code to remove the BoxCollider component from the GameObject.

Unity

Destroy(gameObject.GetComponent<[1]>());

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AAudioSource

BMeshRenderer

CRigidbody

DBoxCollider

Attempts:

3 left

💡 Hint

Common Mistakes

Trying to destroy a component that is not attached.

Using Destroy on the GameObject instead of the component.

The GetComponent<BoxCollider>() gets the BoxCollider component, and Destroy() removes it.

3fill in blank

hard

Fix the error in the code to add a Light component correctly.

Unity

var light = gameObject.[1]<Light>();

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ARemoveComponent

BAddComponent

CDestroyComponent

DGetComponent

Attempts:

3 left

💡 Hint

Common Mistakes

Using GetComponent instead of AddComponent.

Trying to remove or destroy instead of adding.

AddComponent<Light>() adds a Light component to the GameObject.

4fill in blank

hard

Fill both blanks to add a SphereCollider and then remove it from the GameObject.

Unity

var collider = gameObject.[1]<SphereCollider>();
Destroy(gameObject.[2]<SphereCollider>());

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AAddComponent

BRemoveComponent

CGetComponent

DDestroyComponent

Attempts:

3 left

💡 Hint

Common Mistakes

Trying to remove the component before adding it.

Using RemoveComponent which does not exist.

First, AddComponent<SphereCollider>() adds the component. Then, GetComponent<SphereCollider>() gets it so Destroy() can remove it.

5fill in blank

hard

Fill all three blanks to add a AudioSource, get it, and then destroy it.

Unity

var audio = gameObject.[1]<AudioSource>();
var getAudio = gameObject.[2]<AudioSource>();
Destroy([3]);

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AAddComponent

BGetComponent

CgetAudio

Daudio

Attempts:

3 left

💡 Hint

Common Mistakes

Destroying the wrong variable.

Using RemoveComponent which is not a Unity method.

First, add the AudioSource with AddComponent. Then get it with GetComponent. Finally, destroy the variable getAudio which holds the component.