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Question by Erethan · Sep 14, 2018 at 10:20 PM · animationblend treeinterpolationlinear

Blend Tree interpolating rotations

From the Unity docs on blend trees:

"The blending between animations is handled using linear interpolation."

.

However, when it blends between rotations, its interpolation is not linear. Is it an intended behavior? If it is, w$$anonymous$$ch interpolation it uses?

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avatar image tormentoarmagedoom · Sep 14, 2018 at 10:28 PM 0
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Are you sure its not lineall, How it is?

avatar image Erethan tormentoarmagedoom · Sep 14, 2018 at 11:08 PM 0
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My blend tree has two motions with thresholds set to -90 and 90. Each motion has one key frame and only changes one property; z rotation(euler angles). One motion sets the z rotation to -90 and the other one to 90.

When its parameter is either -90, 0 or 90, it matches with the blend result. between those values, the blend result is slightly off.

I've also tested it in a cube with a simple animator with only one blend tree.

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