private void BeginDistantGrab()
{
Grabbable distantGrabbable = FindDistantGrabbable();
if (distantGrabbable != null)
{
ObjectSnappingAddress snapAddress = this.GetComponent <Snapper>()?.SnapForGrabbable(distantGrabbable.gameObject); //TODO reference to snapper?
if (snapAddress != null &&
snapAddress.point.CanBeDistantGrabbed)
{
_distantGrabAddress = snapAddress;
}
}
}
/// <summary>
/// From IGrabNotifier. Called every frame as the user approaches a grabbable while
/// performing the grabbing pose.
/// Depending on how closed the grab-gesture is, the hand is interpolated more from
/// the user-data to the snap-pose data, generating an "approach" animation directly
/// controlled by the gesture.
/// </summary>
/// <param name="grabbable">The object that is intended to be grabbed.</param>
/// <param name="amount">How much the user is performing the grabbing pose (normalised)</param>
private void GrabAttemp(GameObject grabbable, float amount)
{
ObjectSnappingAddress address = SnapForGrabbable(grabbable);
if (address != null)
{
_snapData = address;
_allignmentFactor = _fingersSnapFactor = amount;
}
else
{
_snapData = null;
_allignmentFactor = _fingersSnapFactor = 0f;
}
}
/// <summary>
/// From IGrabNotifier, called when the hand starts grabbing and object.
/// Finds the best snap point and overrides the hand to it.
/// </summary>
/// <param name="grabbable">The grabbed object.</param>
private void GrabStarted(GameObject grabbable)
{
ObjectSnappingAddress address = SnapForGrabbable(grabbable);
if (address != null)
{
_snapData = address;
_allignmentFactor = _fingersSnapFactor = 1f;
this.puppet.LerpGripOffset(_snapData.pose.Pose, _allignmentFactor, _snapData.point.RelativeTo);
_trackOffset = this.puppet.TrackedGripOffset;
_grabStartTime = Time.timeSinceLevelLoad;
_isGrabbing = true;
}
}
/// <summary>
/// From IGrabNotifier, called when the hand releases an object.
/// Remove the overrides from the hand so it is controlled directly by the user.
/// </summary>
/// <param name="grabbable">The released object.</param>
private void GrabEnded(GameObject grabbable)
{
this.puppet.LerpGripOffset(Pose.identity, 0f, this.transform);
_snapData = null;
_isGrabbing = false;
}
private void CancelDistantGrab()
{
_distantGrabAddress = null;
_autoGrabStartTime = null;
}
