void FollowByHitRotation(WebXRHitPoseData hitPoseData)
{
Quaternion rotationOffset = Quaternion.Inverse(hitPoseData.rotation);
WebXRManager.Instance.transform.localPosition = rotationOffset * (originPosition - hitPoseData.position);
WebXRManager.Instance.transform.localRotation = rotationOffset;
}
void FollowByViewRotation(WebXRHitPoseData hitPoseData)
{
Vector2 diff = new Vector2(hitPoseData.position.x, hitPoseData.position.z) - new Vector2(arCameraTransform.localPosition.x, arCameraTransform.localPosition.z);
float angle = Mathf.Atan2(diff.y, diff.x) * Mathf.Rad2Deg - 90f;
Quaternion rotationOffset = Quaternion.Euler(0, angle, 0);
WebXRManager.Instance.transform.localPosition = rotationOffset * (originPosition - hitPoseData.position);
WebXRManager.Instance.transform.localRotation = rotationOffset;
}
void HandleOnViewerHitTestUpdate(WebXRHitPoseData hitPoseData)
{
visual.SetActive(hitPoseData.available);
if (hitPoseData.available)
{
isFollowing = true;
transform.localPosition = hitPoseData.position;
transform.localRotation = hitPoseData.rotation;
FollowByViewRotation(hitPoseData);
}
}