Animating Real-Time Crowds Outline Introduction Description of Level of Detail Level of Detail in… (agent behavior) …sensing …behavioral architectures (agent motion) …motion simulation …animation cache …skeletal pruning (rendering) …geometry …replication References Introduction
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LOD scheduling priorities are allocated by visibility and distance.
Images show agent autonomy. Agents in the field of view and near the camera act independently. Agents off camera are controlled by group leaders.
(Not Giang’s animation cache)
Xti is the global transform of bone i at time t.
X-refi is the inverse global transform of the bone in the reference position.
vref is the vertex in the reference position.
A 2D billboard from different views can be generated dynamically.
Billboards can be used to dramatically increase crowd size.
Polyposter approximation of a full mesh animation.