Since the red and yellow rectangles are in the same position the transparency of the yellow one makes the result look like a single orange colored Rectangle. At t=1s the yellow rectangle is offset in the positive X direction to briefly separate the shapes so it can be seen to be two scaled, skewed, rotated rectangles. There is a little overlap where the resultant orange color can be seen. At t=2s the yellow rectangle is restored so it again is on top of the red one. At t=3s interpolators begin which change all of the fields in the red rectangle's Transform2D and do the equivalent to the nested Transform2Ds of the yellow rectangle. The result should be that the rectangles move and change shape but always appear to be a single orange rectangle.
Snapshot taken at t=0.
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Snapshot taken just after t=1s when yellow rectangle is displaced.
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Snapshot taken while rectangles are being continually transformed.
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