6 degrees of freedom, also commonly referred to as 6DOF, is a gameplay style wherein there is no gravity, and you are free to move in any 3-dimensional direction. It is used in games such as Descent (http://en.wikipedia.org/wiki/Descent_(computer_game)) and its sequels, Freespace and its sequel, and to a lesser extent, Terminal Velocity and the Homeworld games. Gravitation is the tendency of masses to move toward each other. ... In many works of science fiction, a beings homeworld is their planet of origin. ...
Calling it 6 degrees of freedom is a bit of a misnomer. It is more like 6 directions: Up and Down(Y axis); Left and Right(X axis); Forward and Backward(Z axis). Each of these can be combined with movement in another axis, or even both other axes in a method known as trichording. A misnomer is an incorrect or misleading name for a thing. ... Trichording (n): When moving on 3 axes at a time. ...
6D. So for movement:OF refers to the 6 degrees of freedom, they are movement in 3 dimensions and rotation in three axis Forward, backward (one direction) Left Right (one direction) Up Down (one direction) Descent is a 3D first-person shooter computer game noted for popularizing the use of portal rendering technology and providing the player with six full degrees of freedom (often abbreviated 6DOF) to move and to look around. ... Descent: Freespace Screenshot Freespace 2 Screenshot Descent: FreeSpace is a space simulation computer game series developed by Volition Inc. ... In many works of science fiction, a beings homeworld is their planet of origin. ...
Rotate nose Left Right (yaw)(One rotation) Rotate nose Up/Down (pitch) (One rotation) Rotate the whole vhicle without moving the point the nose points at, (roll)
In a formal mathmatical way: Translate in three dimensions X,Y,Z and Rotate around the three axis X,Y,Z
Now, that doesn't mean the 6DOF is perfect even in that regards, because it's often hard to keep forward pressed, so my character will make constant stops and pauses, but given what I was able to program in, it works remarkably well.
The 6DOF also comes with options for 400, 800, 1600, and 2000 DPI choices, so if one mouse movement is too sensitive, dial it down to see if one of the others work better (average work I use 1600 while for graphics programs 800 works well).
For what the 6DOF was made for, it works relatively well, though there is lag to be had and I'm not quite sure I really saw an improvement in my gun blazing fighting ability.
The procedure to determine 6DOF data from a given frame of raw data from the imaging sensor(s), is a non-linear iterative process and requires highly optimized assembly code to complete the required tasks in the amount of time available.
The processor must first correct the raw data for lens distortion, then calculate the centroids of the helmet mounted LEDs to a predetermined subpixel precision, and lastly identify an in-tolerance fit between the known 3D spatial model and the calculated model utilizing a proprietary modified DLT method.
Ultimately the entire 6DOF process should take place on the sensor but the feasibility and technology involved is not yet well understood.
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