I finally figured out that I could do a proxy for setting the radius by starting the arc on the x-axis (so centre-x + radius == start-x), and then using Move Exactly to rotate the arc so the start point is where it needs to be.
Hardly ideal, but a work-around until we have something better....
I finally figured out that I could do a proxy for setting the radius by starting the arc on the x-axis (so centre-x + radius == start-x), and then using Move Exactly to rotate the arc so the start point is where it needs to be.
Hardly ideal, but a work-around until we have something better....