Cornflakes_91 wrote:yeah, something along those lines according to wikipedia. some time-of-flight / phase difference measurements from the IR pulser boxes.
Makes sense. Easy and quick to calculate.
Ringu wrote:
and you can't put cameras in the controllers cos that would just be silly.
thats how the wii controllers work.
the stationary part is simply 4 IR leds.
By 'cameras' I meant something that captures a frame, optically - the wii controllers don't have cameras per se, they are mostly gyro/accelerometer-based for the motion detection, with an IR optical sensor for the hand pointer function (as you say, reading the IR LEDs in the 'sensor bar')
the description i read was that its cyclic pulsing and that they can take orientation out of the different arrival times ("it arrived at corner 2 half a microsecond earlier than at corner 3 thus its so and so far more left)
its not an intensity measurement as far as i gathered.
which would also be pretty meh because you dont know the positions of the pulsers in the room :V
Sure, the flight time is the same thing as intensity in terms of the positional calculations.
Also, the initial calibration of the Vive essentially records the initial sensor data and that becomes "centre" from then on, so it doesn't need to care about the actual position of the lighthouses, just the change in data values.
Also also, it is possible to calibrate it so that in Standing or in Room-scale mode, you trace the boundaries of your free movement area and it records these extreme values to ensure it doesn't force you out of them.