| graph | 将包含新 AnimationLayerMixerPlayable 的 PlayableGraph。 |
| inputCount | 层的数量。 |
| singleLayerOptimization | This optimization automatically sets the weight of the first animation layer to 1. Set to true If your layer mixer has a single animation layer and you want to bypass unnecessary weight calculations. This optimization is automatically set to false if your layer mixer has multiple animation layers. |
AnimationLayerMixerPlayable 链接到 PlayableGraph 的新 AnimationLayerMixerPlayable。