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VisSim is a visual simulator for semi-stationary objects written in C++. The viewer can move around in three dimensional space to view the object from different directions and distances. VisSim uses OpenGL/GLUT and it runs in client-server mode.
Open Worlds VR is a general, visual and interactive simulation platform, designed to support thousands of independent actors (objects). It also implements a strong peer-to-peer networking algorithm to allow multi-computer processing of a single large simu