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A crowd object’s clip transition graph may optionally be used to control transitions between states and animation clips. It provides information about which clips are allowed to transition to each other, and where in the clips those transitions should occur. This can be used by the Crowd Transition DOP to delay state transitions until an appropriate point in the current animation clip, and to smoothly blend into the next clip. Additionally, the clip transition graph allows per-clip control over this behavior (which is useful if the transition’s Input State parameter specifies multiple states, or if Randomize Clips is enabled for any of the input states).
The Test Simulation: Crowd Transition SOP can be used to quickly preview transitions between particular clips before setting up a crowd simulation.
Each point in the clip transition graph geometry represents an animation clip, and each two-point polygon represents a (one-way) transition between the clips. During a state transition, if the points corresponding to the input and output states' animation clips are not directly connected, the Crowd Transition DOP will use the shortest path between the two clips.
Specifies the name of an animation clip.
This string is matched with the agent’s
For each transition region, specifies the duration (in seconds) of any transitions which start in that region.
For each transition region, specifies a pair of clip times (in seconds) where the two animation clips have a similar pose.
Specifies ranges of clip times (in seconds) for the first animation clip where a transition is allowed to occur.
The number of transitions between pairs of animation clips.
The name of the animation clip to transition from.
The name of the animation clip to transition to.
The number of regions in the clip where a transition may occur.
Sync Frame A
Specifies a frame in Clip A where the pose is similar to Sync Frame B in Clip B.
Specifies the range of frames where a transition may be begin. This should typically include Sync Frame A.
Sync Frame B
Specifies a frame in Clip B where the pose is similar to Sync Frame A in Clip A.
Specifies the length of the transition between the clips.