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 Solution: Tower Defense Game

I solved problem following way. Can someone confirm if my version is correct?

Tower Defense Game

let towerX = 2.0 let towerY = 13.0

let enemyX = 4.0 let enemyY = 9.0

let distanceX = (towerX - enemyX) * (towerX - enemyX) let distanceY = (towerY - enemyY) * (towerY - enemyY)

let distance = distanceX + distanceY

let root = sqrt(distance)