//-------------------------------------------------
protected virtual void OnHandHoverBegin(IF_VR_Steam_Hand hand)
{
bool showHint = false;
// "Catch" the throwable by holding down the interaction button instead of pressing it.
// Only do this if the throwable is moving faster than the prescribed threshold speed,
// and if it isn't attached to another hand
if (!attached && catchingSpeedThreshold != -1)
{
float catchingThreshold = catchingSpeedThreshold * SteamVR_Utils.GetLossyScale(IF_VR_Steam_Player.instance.trackingOriginTransform);
IF_VR_Steam_GrabTypes bestGrabType = hand.GetBestGrabbingType();
if (bestGrabType != IF_VR_Steam_GrabTypes.None)
{
if (rigidbody.velocity.magnitude >= catchingThreshold)
{
hand.AttachObject(gameObject, bestGrabType, attachmentFlags);
showHint = false;
}
}
}
if (showHint)
{
hand.ShowGrabHint();
}
}
//-------------------------------------------------
protected virtual void HandHoverUpdate(IF_VR_Steam_Hand hand)
{
IF_VR_Steam_GrabTypes startingGrabType = hand.GetGrabStarting();
if (startingGrabType != IF_VR_Steam_GrabTypes.None)
{
hand.AttachObject(gameObject, startingGrabType, attachmentFlags, attachmentOffset);
hand.HideGrabHint();
}
}
protected override void HandHoverUpdate(IF_VR_Steam_Hand hand)
{
IF_VR_Steam_GrabTypes startingGrabType = hand.GetGrabStarting();
if (startingGrabType != IF_VR_Steam_GrabTypes.None)
{
if (startingGrabType == IF_VR_Steam_GrabTypes.Pinch)
{
hand.AttachObject(gameObject, startingGrabType, attachmentFlags, pinchOffset);
}
else if (startingGrabType == IF_VR_Steam_GrabTypes.Grip)
{
hand.AttachObject(gameObject, startingGrabType, attachmentFlags, gripOffset);
}
else
{
hand.AttachObject(gameObject, startingGrabType, attachmentFlags, attachmentOffset);
}
hand.HideGrabHint();
}
}
protected virtual void HandHoverUpdate(IF_VR_Steam_Hand hand)
{
IF_VR_Steam_GrabTypes startingGrabType = hand.GetGrabStarting();
if (interactable.attachedToHand == null && startingGrabType != IF_VR_Steam_GrabTypes.None)
{
initialMappingOffset = linearMapping.value - CalculateLinearMapping(hand.transform);
sampleCount = 0;
mappingChangeRate = 0.0f;
hand.AttachObject(gameObject, startingGrabType, attachmentFlags);
}
}
//-------------------------------------------------
private void PhysicsAttach( IF_VR_Steam_Hand hand, IF_VR_Steam_GrabTypes startingGrabType )
{
PhysicsDetach( hand );
Rigidbody holdingBody = null;
Vector3 holdingPoint = Vector3.zero;
// The hand should grab onto the nearest rigid body
float closestDistance = float.MaxValue;
for ( int i = 0; i < rigidBodies.Count; i++ )
{
float distance = Vector3.Distance( rigidBodies[i].worldCenterOfMass, hand.transform.position );
if ( distance < closestDistance )
{
holdingBody = rigidBodies[i];
closestDistance = distance;
}
}
// Couldn't grab onto a body
if ( holdingBody == null )
return;
// Create a fixed joint from the hand to the holding body
if ( attachMode == AttachMode.FixedJoint )
{
Rigidbody handRigidbody = IF_VR_Steam_Util.FindOrAddComponent<Rigidbody>( hand.gameObject );
handRigidbody.isKinematic = true;
FixedJoint handJoint = hand.gameObject.AddComponent<FixedJoint>();
handJoint.connectedBody = holdingBody;
}
// Don't let the hand interact with other things while it's holding us
hand.HoverLock( null );
// Affix this point
Vector3 offset = hand.transform.position - holdingBody.worldCenterOfMass;
offset = Mathf.Min( offset.magnitude, 1.0f ) * offset.normalized;
holdingPoint = holdingBody.transform.InverseTransformPoint( holdingBody.worldCenterOfMass + offset );
hand.AttachObject( this.gameObject, startingGrabType, attachmentFlags );
// Update holding list
holdingHands.Add( hand );
holdingBodies.Add( holdingBody );
holdingPoints.Add( holdingPoint );
}
//-------------------------------------------------
public void SpawnAndAttach(IF_VR_Steam_Hand passedInhand)
{
IF_VR_Steam_Hand handToUse = passedInhand;
if (passedInhand == null)
{
handToUse = hand;
}
if (handToUse == null)
{
return;
}
GameObject prefabObject = Instantiate(prefab) as GameObject;
handToUse.AttachObject(prefabObject, IF_VR_Steam_GrabTypes.Scripted);
}
//-------------------------------------------------
void Update()
{
if (itemPrefab != null)
{
if (hand.isActive && hand.isPoseValid)
{
GameObject objectToAttach = GameObject.Instantiate(itemPrefab);
objectToAttach.SetActive(true);
hand.AttachObject(objectToAttach, IF_VR_Steam_GrabTypes.Scripted);
hand.TriggerHapticPulse(800);
Destroy(gameObject);
// If the player's scale has been changed the object to attach will be the wrong size.
// To fix this we change the object's scale back to its original, pre-attach scale.
objectToAttach.transform.localScale = itemPrefab.transform.localScale;
}
}
}
//-------------------------------------------------
private void SpawnAndAttachObject(IF_VR_Steam_Hand hand, IF_VR_Steam_GrabTypes grabType)
{
if (hand.otherHand != null)
{
//If the other hand has this item package, take it back from the other hand
IF_VR_Steam_ItemPackage otherHandItemPackage = GetAttachedItemPackage(hand.otherHand);
if (otherHandItemPackage == itemPackage)
{
TakeBackItem(hand.otherHand);
}
}
if (showTriggerHint)
{
hand.HideGrabHint();
}
if (itemPackage.otherHandItemPrefab != null)
{
if (hand.otherHand.hoverLocked)
{
Debug.Log("<b>[SteamVR Interaction]</b> Not attaching objects because other hand is hoverlocked and we can't deliver both items.");
return;
}
}
// if we're trying to spawn a one-handed item, remove one and two-handed items from this hand and two-handed items from both hands
if (itemPackage.packageType == IF_VR_Steam_ItemPackage.ItemPackageType.OneHanded)
{
RemoveMatchingItemTypesFromHand(IF_VR_Steam_ItemPackage.ItemPackageType.OneHanded, hand);
RemoveMatchingItemTypesFromHand(IF_VR_Steam_ItemPackage.ItemPackageType.TwoHanded, hand);
RemoveMatchingItemTypesFromHand(IF_VR_Steam_ItemPackage.ItemPackageType.TwoHanded, hand.otherHand);
}
// if we're trying to spawn a two-handed item, remove one and two-handed items from both hands
if (itemPackage.packageType == IF_VR_Steam_ItemPackage.ItemPackageType.TwoHanded)
{
RemoveMatchingItemTypesFromHand(IF_VR_Steam_ItemPackage.ItemPackageType.OneHanded, hand);
RemoveMatchingItemTypesFromHand(IF_VR_Steam_ItemPackage.ItemPackageType.OneHanded, hand.otherHand);
RemoveMatchingItemTypesFromHand(IF_VR_Steam_ItemPackage.ItemPackageType.TwoHanded, hand);
RemoveMatchingItemTypesFromHand(IF_VR_Steam_ItemPackage.ItemPackageType.TwoHanded, hand.otherHand);
}
spawnedItem = GameObject.Instantiate(itemPackage.itemPrefab);
spawnedItem.SetActive(true);
hand.AttachObject(spawnedItem, grabType, attachmentFlags);
if ((itemPackage.otherHandItemPrefab != null) && (hand.otherHand.isActive))
{
GameObject otherHandObjectToAttach = GameObject.Instantiate(itemPackage.otherHandItemPrefab);
otherHandObjectToAttach.SetActive(true);
hand.otherHand.AttachObject(otherHandObjectToAttach, grabType, attachmentFlags);
}
itemIsSpawned = true;
justPickedUpItem = true;
if (takeBackItem)
{
useFadedPreview = true;
pickupEvent.Invoke();
CreatePreviewObject();
}
}