/// <summary>
/// Releases the object in hand.
/// </summary>
private void ReleaseObjectInHand()
{
// Only release when the object is in hand.
if (objectInHand != null)
{
// Stop tracking
Destroy(oIHHandTracker);
oIHHandTracker = null;
// Throw if enabled
if (throwEnable)
{
// Get hand velocity from physics engine when not tracked object
if (!isTrackedObject)
{
// Set object in hand velocity to that of the hand.
objectInHand.GetComponent <Rigidbody>().velocity = throwMultiplier * handRB.velocity;
objectInHand.GetComponent <Rigidbody>().angularVelocity = throwMultiplier * handRB.angularVelocity;
}
else
{
objectInHand.GetComponent <Rigidbody>().velocity = throwMultiplier * EstiamteHandVelocity();
}
}
// Clear interaction
isInteractable = false;
objectInteraction = null;
// Start release and cool-off period.
inDropOff = false;
releasing = true;
StartCoroutine(EnableObjectGraspability(2.0f));
}
}
/// <summary>
/// Handles grasping behaviour.
/// </summary>
private void HandleGrasp()
{
// Check manager type and if requested to interact.
if (managerType == GraspManagerType.Assisted || (managerType == GraspManagerType.Controller && SteamVR_Input.GetAction <SteamVR_Action_Boolean>("ObjectInteractButton").GetStateDown(SteamVR_Input_Sources.Any)))
{
if (objectGraspable == null)
{
throw new System.NullReferenceException("There was no object found within grasp.");
}
// Attach object to hand with hand Tracking script
objectInHand = objectGraspable;
oIHHandTracker = objectInHand.AddComponent <ObjectGraspHandle>();
oIHHandTracker.handTransform = attachmentPoint;
// Check whether the object is interactable and set if so.
IInteractable interactionScript = objectInHand.GetComponent <IInteractable>();
if (interactionScript != null)
{
isInteractable = true;
objectInteraction = interactionScript;
}
// clear flag and handle
inGrasp = false;
objectGraspable = null;
}
}
// Clear object from hand and return to normal state if quitting application
private void OnApplicationQuit()
{
if (objectInHand != null)
{
Destroy(oIHHandTracker);
oIHHandTracker = null;
StartCoroutine(EnableObjectGraspability(1.0f));
}
}
