WaitForSeconds and WaitForEndOfFrame in Unity - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to wait for 2 seconds before printing a message.

Unity

IEnumerator WaitAndPrint() {
    yield return new [1](2f);
    Debug.Log("Waited 2 seconds");
}

Drag options to blanks, or click blank then click option'

AWaitForEndOfFrame

BWaitForFixedUpdate

CWaitUntil

DWaitForSeconds

Attempts:

3 left

💡 Hint

Common Mistakes

Using WaitForEndOfFrame instead of WaitForSeconds.

WaitForSeconds pauses the coroutine for the given seconds.

2fill in blank

medium

Complete the code to wait until the end of the current frame before continuing.

Unity

IEnumerator WaitForFrameEnd() {
    yield return new [1]();
    Debug.Log("Frame ended");
}

Drag options to blanks, or click blank then click option'

AWaitForEndOfFrame

BWaitForSeconds

CWaitForFixedUpdate

DWaitUntil

Attempts:

3 left

💡 Hint

Common Mistakes

Using WaitForSeconds with no time parameter.

WaitForEndOfFrame waits until the frame rendering is done before continuing.

3fill in blank

hard

Fix the error in the coroutine to wait for 3 seconds before printing.

Unity

IEnumerator WaitThreeSeconds() {
    yield return new [1](3f);
    Debug.Log("3 seconds passed");
}

Drag options to blanks, or click blank then click option'

AWaitForSeconds

BWaitForEndOfFrame

CWaitForFixedUpdate

DWaitUntil

Attempts:

3 left

💡 Hint

Common Mistakes

Using WaitForEndOfFrame which takes no parameters.

WaitForSeconds requires a float parameter for seconds to wait.

4fill in blank

hard

Fill both blanks to create a coroutine that waits for the end of frame, then waits 1 second.

Unity

IEnumerator WaitFrameThenSecond() {
    yield return new [1]();
    yield return new [2](1f);
    Debug.Log("Waited frame end and 1 second");
}

Drag options to blanks, or click blank then click option'

AWaitForEndOfFrame

BWaitForSeconds

CWaitForFixedUpdate

DWaitUntil

Attempts:

3 left

💡 Hint

Common Mistakes

Swapping the order of waits or using wrong classes.

First wait for the frame to end, then wait for 1 second.

5fill in blank

hard

Fill all three blanks to create a coroutine that waits 0.5 seconds, then waits for frame end, then waits 2 seconds.

Unity

IEnumerator ComplexWait() {
    yield return new [1](0.5f);
    yield return new [2]();
    yield return new [3](2f);
    Debug.Log("Completed complex wait");
}

Drag options to blanks, or click blank then click option'

AWaitForSeconds

BWaitForEndOfFrame

CWaitForFixedUpdate

DWaitUntil

Attempts:

3 left

💡 Hint

Common Mistakes

Using WaitForFixedUpdate or WaitUntil incorrectly.

Wait 0.5 seconds, then wait for frame end, then wait 2 seconds.