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Expression to maintain distance wile scaling

PostPosted: 08/12/2018, 9:59 am
by Skrytis
I have a comp with 14planets that span a scale difference off 2600 between the smallest and the biggest. I want to go from the smallest one to the biggest in ascending order while the planets move to the left in the shot. In order to not loose resolution my idea was to lock the scale to the position of the planets and scale everything down as they move to the left. I do this by connecting it to the CC sphere radius and center. My problem is that I can't figure out how to maintain the relative distances between the planets while I scale them. I don't want to animate this by hand because my director might want to change things around, so I need the comp to be as responsive as possible