Virtual environment navigation

Details Virtual environment navigation Virtual environment navigation

1997-08-01

2000-03-07

Zimmerman, Mark K.

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

345474, 345952, 345957, G06T 1570

Patent

active

060346922

ABSTRACT:
An interactive entertainment apparatus is provided having means (10,14) for modelling a virtual environment populated by modelled characters, with each of the characters being controlled by respective rule-based agents. A camera control function (58) within the apparatus processor periodically monitors at least one compiled behavior per character agent, together with the respective locations within the virtual environment for each of the characters. The processor (10) generates clusters of adjacent characters within the virtual environment in accordance with predetermined clustering criteria such as relatively proximity and commonality of behavioral characteristics, and generates a respective cluster value derived from the current settings of the monitored behaviors within that cluster. In operation, one cluster is selected in dependence on the derived cluster values and, following determination of the location of that cluster within the virtual environment, the viewpoint from which the image of the virtual environment is rendered is shifted to a further viewpoint overlooking the selected cluster.

REFERENCES:
patent: 4821220 (1989-04-01), Duisberg
patent: 5418887 (1995-05-01), Connah et al.
patent: 5485600 (1996-01-01), Joseph et al.
patent: 5608850 (1997-03-01), Robertson
patent: 5768161 (1998-06-01), Wavish
"Pengi: An Implementation of a Theory of Activity" by Philips E. Agre and David Chapman of MIT Al Laboratories. Proc. 6th Nat'l. Conf. on Al, pub. Morgan Kaufmann 1987, pp. 268-272.
"Situated Agents Can Have Goals" by P. Maes, from "Designing Autonomous Agents" ed P. Maes, Bradford-MIT Press 1990, pp. 49-70.

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