Why do I have to lay the Wii controller on a flat surface?

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Why do I have to lay the Wii controller on a flat surface?
Posted On: March 24, 2023

When I start Skyward Sword (its the only MotionPlus game I have, others that use it are probably similar) it always asks me to lay the MotionPlus controller on a flat surface for a bit before it starts, then it asks me to point the controller at the center of the screen and press A. I don't have to do this for games that don't use MotionPlus, so what exactly is happening here?


Question from user user11502 at gaming.stackexchange.com.


Answer:

The original Wii controller contains just an accelerometer, so it is only able to capture simple movements, like up/down. Wii MotionPlus contains a gyroscope that captures more complicated movement. From Wikipedia:.


The [Wii MotionPlus] incorporates a dual-axis tuning fork gyroscope, and a single-axis gyroscope which can determine rotational motion. The information captured by the angular rate sensor can then be used to distinguish true linear motion from the accelerometer readings. This allows for the capture of more complex movements than possible with the Wii Remote alone.


Laying the controller flat initializes the gyroscope so that it knows where position 0 is, so to speak, which then allows it to detect when and how far it moves away from that position.


Answer from user splattered bits at gaming.stackexchange.com.



[BACK]
Why do I have to lay the Wii controller on a flat surface?
Posted On: March 24, 2023

When I start Skyward Sword (its the only MotionPlus game I have, others that use it are probably similar) it always asks me to lay the MotionPlus controller on a flat surface for a bit before it starts, then it asks me to point the controller at the center of the screen and press A. I don't have to do this for games that don't use MotionPlus, so what exactly is happening here?


Question from user user11502 at gaming.stackexchange.com.


Answer:

The original Wii controller contains just an accelerometer, so it is only able to capture simple movements, like up/down. Wii MotionPlus contains a gyroscope that captures more complicated movement. From Wikipedia:.


The [Wii MotionPlus] incorporates a dual-axis tuning fork gyroscope, and a single-axis gyroscope which can determine rotational motion. The information captured by the angular rate sensor can then be used to distinguish true linear motion from the accelerometer readings. This allows for the capture of more complex movements than possible with the Wii Remote alone.


Laying the controller flat initializes the gyroscope so that it knows where position 0 is, so to speak, which then allows it to detect when and how far it moves away from that position.


Answer from user splattered bits at gaming.stackexchange.com.



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