The Sony PlayStation Move was just recently launched and folks at iFixit the DIY repair
company have already published a tear down analysis of the new motion controller from Sony.
While the teardown itself makes for an interesting study, one of the more standout
revelations is in the way PlayStation Move differs from Wii Remote with respect to the
controller location tracking technology.
According to iFixit, the method used on both these consoles is vastly different. The Wii
Remote contains an IR sensor. This is used in conjunction with the IR emitters placed near
the TV so that the console can detect the movement of the Wii Remote using triangulation
methods. The tracking methodology is basically two dimensional.
On the other hand, PlayStation Move tracks three dimensional movement. The PlayStation Eyecamera recognizes the X/Y position of the glowing orb on the Move controller to detect twodimensional movement. In addition to this, the relative size of the orb is also tracked in
order to measure the third dimension of movement.
In case you are wondering, Microsoft's motion controller the upcoming Kinect makes use
of a webcam to track movements.
No bigger than a small traditional remote control, the wireless Wii Remote is a truly multi functional device.The magic of the Wii Remote's design lies within; accelerometers inside the controller measure movement in all directions and at all speeds. In a tennis game, it serves as your racket as you swing away.
In driving games it serves as a steering wheel, allowing you to swerve to avoid obstacles or pickup power-ups.In first-person shooters, it acts as a firearm that you can point directly at an on-screen enemy.
The controller also has a force feedback "Rumble" feature and an expansion port for use with accessories, such as the Nunchuck, which adds an analog thumbstick and trigger buttons. The Wii allows for up to 4 remotes to be linked simultaneously, and this extra remote is perfect if you want to add another player to your games.
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