TransformTrack: add null checks to getTranslations() and getRotations() #1532
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stephengold
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May 2, 2021
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As noted at the Forum, it's easy to create a
TransformTrackwithout any translations or rotations. Since there are null checks ingetDataAtTime(), such tracks can be useful. However, thegetTranslations()andgetRotations()methods lack null checks, leading to NPEs when applied to such tracks.This PR would avoid NPEs on tracks without any translations or rotations.