pointAtTrigger derived from ygNode

Description: detects a wand pointing at any geometry below it and produces an event

notes:
Category: Trigger
Author: Dave Pape
Revision: 11/01/01

    Messages
distance float set the intersection distance from the wand
    Events
start wand, user a wand and associated user have begun pointing
event wand, user any wand events are generated while in the space
stop wand, user a wand and associated user have stopped pointing
    Comments

constructor pointAtTrigger

destructor ~pointAtTrigger

method reset

1 set distance to 10.0

method message

1 set the intersection distance from the wand

method app

1 for all users in the world
1.1 for each user wand
1.1.0.1 if the wand is pointing at geometry
1.1.0.1.1 if not previously pointing generate start event
1.1.0.1.1.1 a wand and associated user have begun pointing
1.1.0.1.2 if the number of wand flags is positive
1.1.0.1.2.1 for each wand flag
1.1.0.1.2.1.1 any wand events are generated while in the space
2 for each wand previously pointing at geometry
2.1 if not currently pointing then generate stop event
3 a wand and associated user have stopped pointing

method pointingAtMe