kormyen · November 3, 2025 13:06 · mracoder · May 25, 2019 · kanishkaCemtrex · May 28, 2019
diff --git a/GyroCamera.cs b/GyroCamera.cs
 using UnityEngine;
 using System.Collections;

 public class GyroCamera : MonoBehaviour
 {
    // STATE
    private float _initialYAngle = 0f;
    private float _appliedGyroYAngle = 0f;
    private float _calibrationYAngle = 0f;
    private Transform _rawGyroRotation;
    private float _tempSmoothing;

    // SETTINGS
    [SerializeField] private float _smoothing = 0.1f;

    private IEnumerator Start()
    {
        Input.gyro.enabled = true;
        Application.targetFrameRate = 60;
        _initialYAngle = transform.eulerAngles.y;

        _rawGyroRotation = new GameObject("GyroRaw").transform;
        _rawGyroRotation.position = transform.position;
        _rawGyroRotation.rotation = transform.rotation;

        // Wait until gyro is active, then calibrate to reset starting rotation.
        yield return new WaitForSeconds(1);

        StartCoroutine(CalibrateYAngle());
    }

    private void Update()
    {
        ApplyGyroRotation();
        ApplyCalibration();

        transform.rotation = Quaternion.Slerp(transform.rotation, _rawGyroRotation.rotation, _smoothing);
    }

    private IEnumerator CalibrateYAngle()
    {
        _tempSmoothing = _smoothing;
        _smoothing = 1;
        _calibrationYAngle = _appliedGyroYAngle - _initialYAngle; // Offsets the y angle in case it wasn't 0 at edit time.
        yield return null;
        _smoothing = _tempSmoothing;
    }

    private void ApplyGyroRotation()
    {
        _rawGyroRotation.rotation = Input.gyro.attitude;
        _rawGyroRotation.Rotate(0f, 0f, 180f, Space.Self); // Swap "handedness" of quaternion from gyro.
        _rawGyroRotation.Rotate(90f, 180f, 0f, Space.World); // Rotate to make sense as a camera pointing out the back of your device.
        _appliedGyroYAngle = _rawGyroRotation.eulerAngles.y; // Save the angle around y axis for use in calibration.
    }

    private void ApplyCalibration()
    {
        _rawGyroRotation.Rotate(0f, -_calibrationYAngle, 0f, Space.World); // Rotates y angle back however much it deviated when calibrationYAngle was saved.
    }

    public void SetEnabled(bool value)
    {
        enabled = true;
        StartCoroutine(CalibrateYAngle());
    }
 }
	using UnityEngine;
	using System.Collections;

	public class GyroCamera : MonoBehaviour
	{
	// STATE
	private float _initialYAngle = 0f;
	private float _appliedGyroYAngle = 0f;
	private float _calibrationYAngle = 0f;
	private Transform _rawGyroRotation;
	private float _tempSmoothing;

	// SETTINGS
	[SerializeField] private float _smoothing = 0.1f;

	private IEnumerator Start()
	{
	Input.gyro.enabled = true;
	Application.targetFrameRate = 60;
	_initialYAngle = transform.eulerAngles.y;

	_rawGyroRotation = new GameObject("GyroRaw").transform;
	_rawGyroRotation.position = transform.position;
	_rawGyroRotation.rotation = transform.rotation;

	// Wait until gyro is active, then calibrate to reset starting rotation.
	yield return new WaitForSeconds(1);

	StartCoroutine(CalibrateYAngle());
	}

	private void Update()
	{
	ApplyGyroRotation();
	ApplyCalibration();

	transform.rotation = Quaternion.Slerp(transform.rotation, _rawGyroRotation.rotation, _smoothing);
	}

	private IEnumerator CalibrateYAngle()
	{
	_tempSmoothing = _smoothing;
	_smoothing = 1;
	_calibrationYAngle = _appliedGyroYAngle - _initialYAngle; // Offsets the y angle in case it wasn't 0 at edit time.
	yield return null;
	_smoothing = _tempSmoothing;
	}

	private void ApplyGyroRotation()
	{
	_rawGyroRotation.rotation = Input.gyro.attitude;
	_rawGyroRotation.Rotate(0f, 0f, 180f, Space.Self); // Swap "handedness" of quaternion from gyro.
	_rawGyroRotation.Rotate(90f, 180f, 0f, Space.World); // Rotate to make sense as a camera pointing out the back of your device.
	_appliedGyroYAngle = _rawGyroRotation.eulerAngles.y; // Save the angle around y axis for use in calibration.
	}

	private void ApplyCalibration()
	{
	_rawGyroRotation.Rotate(0f, -_calibrationYAngle, 0f, Space.World); // Rotates y angle back however much it deviated when calibrationYAngle was saved.
	}

	public void SetEnabled(bool value)
	{
	enabled = true;
	StartCoroutine(CalibrateYAngle());
	}
	}
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