Why do we wrap the expression in an extra set of parenthesis in
capsuleCollider.offset = new Vector2((Mathf.Lerp(1f, laserRange, linearT)) / 2, capsuleCollider.offset.y);
I’d guessed the answer to the challenge was
capsuleCollider.offset = new Vector2(Mathf.Lerp(1f, laserRange, linearT) / 2, capsuleCollider.offset.y);
but it looks like I got tripped up somewhere.
Thanks!
This is because when you wrap the expression in an extra set of parentheses you explicitly define the order of operations, this helps prevent confusion in the code.
capsuleCollider.offset = new Vector2((Mathf.Lerp(1f, laserRange, linearT)) / 2, capsuleCollider.offset.y);
In the above code that you provided this is what happens:
The extra parentheses around the:
Mathf.Lerp(1f, laserRange, linearT)
This makes sure that the Lerp operation is performed before the division of 2
If you removed the extra set of parentheses, the division of 2 would be performed first, and in this context, that isn’t what we want, here is a a unity documentation on this for further explanation:
Hope this helps!
Anytime, glad I could help you out a bit, I happen to be in 9th grade right now, so not far off 
This is not quite correct. The extra set of parentheses here is pointless. Mathf.Lerp is not a mathematical construct, so there is nothing the division can do until the lerp has provided a result. The division cannot happen first, because there’s nothing to divide until the lerp has executed.
I didn’t know that, thanks for clearing it up, I guess I got it all twisted 
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