Persistent

Persistent means something that stays, that continues to be, others may come and go, but it always persists, waiting for them to return.

A persistent world is one in which participants may log into, interact with one another, and then leave, knowing the changes they made, the influence they had will persist, and, unless someone else destroys them, will still be waiting when that person returns.

Below, we offer a selection of links from our resource databases which may match this term.

Colocated AR Colocated Augmented Reality Computer-Supported Collaborative Learning CSCL DEF

Digital Eye Fatigue PBBG Persistent Persistent Browser-Based Game

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The Bug Process
Bug tracking is a major headache when you?re shipping any code product. In a MMO or social VR world where the world is persistent, and you have test builds and live builds scattered across several servers, bug tracking can become a major migraine. How then, is best to track and kill these annoying bugs in persistent products?

Not every persistent, immersive virtual environment is geared for kids, or is even suitable for them. At the same time, adult does not have to mean sexual. Adult can simply be a nice, mature environment where friends can relax and interact.

The VRT Concept
One of the problems with global, persistent, shared virtual environments, is time. More specifically, time zones. To demonstrate this problem, go to any non-roleplay virtual environment or even a simple chatroom with a fair number of participants, and ask people what the time is:

Adding Immersion in Activeworlds: Simple NPCs without Bots
One of the problems with wandering through a massive persistent world that can be many hundreds of square miles across, is the silence of it. After a while, no matter how beautiful the landscape, how awe-inspiring the view, the sheer bleakness of it all is going to get to you. If you are wandering alone, and have seen no other human participants, then it all starts to feel like dressing for "apocalypse now".

Organized Roleplaying Events
Organising even a handful of players into a cohesive, functional group for a roleplayed event is a nightmare for any persistent world. However, if you are not running a gameworld, or alternate life world, but desire a one-shot roleplay event with whoever is in world at the time, you can. Here is how to set it up.

Shopping in VR: It was built, and they never came
Consumer shopping in persistent, online virtual reality was supposed to be a big thing of the future. In the 1990s large scale online shopping malls were constructed, awaiting thousands of visitors, unrestricted by physical location to come flocking in. We are still waiting.

Replicating Medical Epidemics in Virtual Worlds
Are MMO worlds really a place where epidemics can be implemented? Infections leaping from player to player, some succumbing, some becoming carriers? It seems amazing, and farfetched - no player would stand for that, surely. Yet, this has already happened in at least one persistent virtual world.

Networked Virtual Environments: Design and Implementation

At the time of publication, it was the best book on the subject of networking real-time, multiple user, persistent environments. Although it is still on the market today, the problem is, it is almost hopelessly dated, still insisting on a hierarchical architecture, which was perfect at the time, but just cannot cope with large worlds today.

Creating Polygonal Shapes through a Merger with Topology
By merging the traditionally distinct fields of topology and geometry, through the discovery of a new type of mathematics called persistent homology, math researchers have created a set of equations which simply describe the pattern and placement of complex fractals as part of a polygonal model - such as the unique froth on a wave, within the reach of real-time rendering

Polish in MMOs: Completing the Dang Product
World of Warcraft is a popular topic in the persistent, online world sphere. It?s a popular topic because it continues to succeed massively, year in, year out. People are keen to know what it does so well. The answer may be, polish. (polish (v): to render (an object) finished).

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