Development and Application of Virtual Avatar Interactive Technology

Virtual avatar interactive technology is the foundation for cooperative multi-user to apperceive current colony's working status. When running VRML program, an invisible explorer avatar can be assumed in three-dimensional space. Based on VRML, described its avatar application, extension technology, browser function and explore navigation. Mainly studied the NavigationInfo node's grammatical pattern and its avatar size field. These determine the collision detection and user perspective scope with the undulating terrain.