この構造体は Playable.PrepareFrame で受信するフレーム情報 Playable が含まれています。
| deltaTime | このフレームと前のフレーム間の時間差 | 
| effectiveParentSpeed | The accumulated speed of the parent Playable during the PlayableGraph traversal. | 
| effectivePlayState | The accumulated play state of this playable. | 
| effectiveSpeed | The accumulated speed of the Playable during the PlayableGraph traversal. | 
| effectiveWeight | The accumulated weight of the Playable during the PlayableGraph traversal. | 
| evaluationType | Indicates the type of evaluation that caused PlayableGraph.PrepareFrame to be called. | 
| frameId | The current frame identifier. | 
| output | The PlayableOutput that initiated this graph traversal. | 
| seekOccurred | Indicates that the local time was explicitly set. | 
| timeHeld | Indicates the local time did not advance because it has reached the duration and the extrapolation mode is set to Hold. | 
| timeLooped | Indicates the local time wrapped because it has reached the duration and the extrapolation mode is set to Loop. | 
| weight | The weight of the current Playable. |