Graphics Programs Reference
In-Depth Information
Figure 7. WebTalk04 general architecture
is refreshed and, at the same time, it notifies the
communication server the updated value storing
it in its remote shared object; at every “ onSync
event generated by the communication server,
each client receives, inside the OnSync message,
a vector of the changes which have occurred since
the last refresh, thus updating the value of each
slot of their local shared objects.
Static properties:
Stating how the object is (appearance
and starting position and rotation)
Dynamic properties:
Stating how the object “life” can
evolve (reacting or raising events)
Session Configurator is responsible of the
production of XML files containing world formal
description and cooperative rules that runtime
engines can process.
As stated previously, we have identified two
phases for creation of collaborative session. The
first one is the Session Prototype Configuration
while the second one concerns the collaborative
Session Instance Definition .
The work flow to 3D world creation is based on:
Authoring Process of Virtual Worlds
The authoring process of virtual worlds in WT04
architecture takes a crucial role to fast generate
collaborative experiences in a reliable way. This
process not only consists of mere definition of
geometry populating a particular environment
but, above all, it concerns the definition of the
complete collaborative session following the
storyboard guidelines written by Experience
Architects that are translated into complex XML
instance, describing for each object:
Design of the scene through tools as
3DStudio and its exportation in Shockwave
3D format in order to make it “readable”
by director engine
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