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Sensing the viewer

Motivation

Sensing the viewer

Using visibility and proximity sensors

Syntax: VisibilitySensor

A sample use of a visibility sensor

Syntax: ProximitySensor

Syntax: ProximitySensor

A sample use of a proximity sensor

Detecting viewer-shape collision

Creating collision groups

Syntax: Collision

A sample use of a collision group

Optimizing collision detection

Using multiple sensors

Summary

Summary

Summary