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Then Wii U gamepad (the one with the screen) can do a similar 'assisted aiming' trick. In Windwaker HD, for example, you can aim the hookshot with the thumbsticks, or by physically turning the gamepad, at the same time. And because the gamepad has absolute location tracking (due the the top/rear mounted tracking camera and the 'sensor' bar) you're actually turning and/or translating the gamepad left or right and up or down, rather than 'rotating it like a steering wheel' due to pure IMU input (sensing the g-vector moving is easy, but 'yaw' motions are trickier due to gyro drift and 3-axis magnetometers being a lot harder to take advantage of than is immediately obvious). It actually works very well in practice.Valve could replicate this with a future Steam Controller variant with integration of their Lighthouse tracking system, at the cost of added bulk to accommodate the marker constellation.
Then Wii U gamepad (the one with the screen) can do a similar 'assisted aiming' trick. In Windwaker HD, for example, you can aim the hookshot with the thumbsticks, or by physically turning the gamepad, at the same time. And because the gamepad has absolute location tracking (due the the top/rear mounted tracking camera and the 'sensor' bar) you're actually turning and/or translating the gamepad left or right and up or down, rather than 'rotating it like a steering wheel' due to pure IMU input (sensing the g-vector moving is easy, but 'yaw' motions are trickier due to gyro drift and 3-axis magnetometers being a lot harder to take advantage of than is immediately obvious). It actually works very well in practice.
Valve could replicate this with a future Steam Controller variant with integration of their Lighthouse tracking system, at the cost of added bulk to accommodate the marker constellation.