Virtual world

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A virtual world is a computer-simulated environment intended for its users to inhabit and interact via avatars. This habitation usually is represented in the form of two or three-dimensional graphical representations of humanoids (or other graphical or text-based avatars). Some, but not all, virtual worlds allow for multiple users.

1 Overview
2 Single player games
3 In the classroom
4 History
5 In other media
6 See also
7 External links

[edit] Overview

The world being simulated typically appears similar to the real world, with real world rules such as gravity, topography, locomotion, real-time actions, and communication. Communication has, until recently, been in the form of text,but now real-time voice communication using VOIP is available . This type of virtual world is now most common in massively multiplayer online games (Second Life, Entropia Universe, The Sims Online, There), particularly massively multiplayer online role-playing games such as EverQuest, Ultima Online, Lineage or World of Warcraft.

As virtual world is a fairly vague and inclusive term, the above can generally be divided along a spectrum ranging from true massively multiplayer online role-playing games, and massively multiplayer online real-life/rogue-like games -- the distinction being that in RPGs, the fact of the user playing a specific character is a main feature of the game, whereas in RLGs, the user can edit and alter their avatar at will, allowing them to play a more dynamic role, or mulitple roles.

One perception of virtual worlds requires an online persistent world, active and available 24 hours a day and seven days a week, to qualify as a true virtual world. Although this is possible with smaller virtual worlds, especially those that are not actually online, no massively multiplayer game runs all day, every day. All the online games listed above include downtime for maintenance that is not included as time passing in the virtual world. While the interaction with other participants is done in real-time, time consistency is not always maintained in online virtual worlds. For example, EverQuest time passes faster than real-time despite using the same calendar and time units to present game time.

[edit] Single player games

Many single player games also exist in a virtual world where the same rules and perception of a graphical reality exist. Many of these allow you to save the current state of this world instance to allow stopping and restarting the virtual world at a later date. (This can be done with some multiplayer environments as well.)

The virtual worlds found in video games are often split into discrete levels.

[edit] In the classroom

Some teachers and university professors have adopted virtual worlds for educational purposes. Educators create an online community that students can log into and interact in. Within these educational virtual worlds, students will use their avatar to learn about new assignments and to create projects that are viewable within the virtual world. For example, students taking a computer manufacturing class can log into a virtual world in which they are the inhabitants of a burgeoning village that needs their expertise for the construction of houses, furniture, machines, and other goods.

[edit] History

The earliest virtual worlds were not games. The first virtual worlds presented on the Internet were communities and chat rooms, some of which evolved into MUDs and MUSHes. They attempted to create sets of avatars for virtual interaction. Community virtual worlds allowed access to the environment and encouraged creating buildings, art, and structures (and many did not include avatars).

Some early prototyptes were WorldsAway, a prototype interactive communities featuring a virtual world by CompuServe called Dreamscape, and The Palace, a 2-dimensional community driven virtual world. However, credit for the first online virtual world usually goes to Habitat, developed in 1987 by LucasFilm Games for the Commodore 64 computer, and running on the Quantum Link service (the precursur to America Online).

[edit] In other media

The concept of a virtual world has become a popular fictional motif and setting in recent years, although science-fiction writers have been portraying similar ideas (for example, cyberspace) for decades. Among the most prominent virtual worlds in the literature is the ones written about by William Gibson (novelist). Other popular example of a virtual world in fiction is The Matrix, a virtual reality so realistic that the great majority of those humans plugged in cannot tell the difference. Virtual worlds were prominent in such movies and books as TRON, Neuromancer, The Lawnmower Man, Snow Crash, and Ghost in the Shell. There are many other examples of the virtual world; for example Lyoko in the French animated television series Code Lyoko.