Ygdrasil Node Classes

Node

Messages

reset when addChild removeChild debug print event

event message [message ...] nodename nodename flag string... eventName [values]

Transform

Messages

position orientation size

x y z x y z size | sx sy sz

Object

Messages

file wall floor draw

filename boolean boolean boolean

User

Messages

showLocal (passes other messages to navigator)

CAVETracker

Messages

sensor

sensorNumber

CAVEHead

Light	Messages	on off toggle position diffuse	x y z r g b
	Events	LightOn LightOff

Space

Messages

volume

volume (see below)

Sound	Messages	play stop file falloffDistance amplitude loop	[filename [amplitude]] filename distance amplitude boolean
	Events	StartPlaying StopPlaying

Environment

Messages

clip skyColor fog

nearClip farClip r g b linear|exp|exp2 r g b onset opaque

UserTrigger

Events

enter exit

Note: all events have parameter "$user"

WandTrigger	Events	enter exit wand flags

Note: all events have parameters "$user" and "$wand".
wand flags refers to flags generated by a wand; the CAVEWand generates flags "button1", "button2", "button3".

Selector

Messages

select selectNum

childName childNumber

Switch	Messages	on off toggle
	Events	SwitchOn SwitchOff

CAVENavigator

Messages

teleport speed rotSpeed collide toggleCollide fly toggleFly printNav

x y z speed speed boolean boolean

CAVEWand	Events	button1 button2 button3
	Flags	button1 button2 button3

PointAtTrigger

Events

start stop wand flags

Note: all events have parameters "$user" and "$wand".
wand flags refers to flags generated by a wand; the CAVEWand generates flags "button1", "button2", "button3".

volume messages take one of these forms:

volume ( box minX minY minZ maxX maxY maxZ )

volume ( sphere centerX centerY centerZ radius )

volume ( cylinder bottomX bottomY bottomZ topX topY topZ radius )

volume ( point X Y Z )

volume ( infinite )

boolean message arguments can use the values "true", "false", "on", "off", "0", or "1".