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[[Positional tracking]] tracks the 3 translational movements: forward/back, up/down and left/right.
[[Positional tracking]] tracks the 3 translational movements: forward/back, up/down and left/right.
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Motion tracking is not only used to track your head in HMDs but also used to track your hands and rest of your body through various [[Input devices|input devices]].
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Motion tracking can also be used to track your hands and rest of your body through various input devices.
==Theory==
==Theory==