There are two modes for animation layers that affect how MotionBuilder calculates Rotation animation: Per Layer and Per Channel. See also Setting the animation layer modes.
When you animate an object’s rotation, you set keyframes for three properties; Rotation X, Rotation Y, and Rotation Z. The Layer Accumulation modes let you choose in which order MotionBuilder calculates these properties, as shown in the following table.
Option | Description |
---|---|
Per Layer | The keyframes set for rotation are calculated according to layer first, and property second. MotionBuilder calculates all the keyframes set for these three properties (Rotation XYZ) on the first layer before calculating the next layer, and so on. |
Per Channel | The keyframes set for rotation are calculated according to property first, and layer second. All keyframes set for Rotation X are calculated first for every layer, then all keyframes set for Rotation Y on all layers are calculated, and finally all keyframes set for Rotation Z on all layers are calculated. |
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