Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

iOS Build a Game with Sprite Kit Artificial Intelligence and Sound Spawning Enemies

Posted by Nehemiah Reese
Nehemiah Reese
17,692 Points

Having a hard time understanding the func update in SpriteKit run loop. It passes in the current time as a parameter.

We divided 60 into the currentTime parameter and the remainder is the seconds that elapse. What is the currentTime parameter that is being passed in 60 times every second???