pointAtPosition 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
local [bool] set position reporting mode
    Events
pointing wand, user, xpos, ypos, zpos a user is pointing at the geometry
event wand, user, xpos, ypos, zpos any wand events are generated while in the space
start wand, user, xpos, ypos, zpos a wand and associated user have begun pointing
stop wand, user a wand and associated user have stopped pointing
    Debugs
pointing
    Comments

constructor pointAtPosition

destructor ~pointAtPosition

method reset

1 set reporting mode to local
2 set distance to 10.0

method message

1 set the intersection distance from the wand
2 set position reporting mode

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 a user is pointing at the geometry
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
1.1.0.1.3 if not previously pointing generate start event
1.1.0.1.3.1 a wand and associated user have begun pointing
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