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# GCQuaternion

A quaternion that represents a controller’s measurement of attitude.

```
struct GCQuaternion
```

## Topics

### Getting Quaternion Values

[`x`](/documentation/GameController/GCQuaternion/x)

The value for the x-axis of the quaternion.

[`y`](/documentation/GameController/GCQuaternion/y)

The value for the y-axis of the quaternion.

[`z`](/documentation/GameController/GCQuaternion/z)

The value for the z-axis of the quaternion.

[`w`](/documentation/GameController/GCQuaternion/w)

The value for the w-axis of the quaternion.


---

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