/// <summary>
/// Called every frame while grabbing is active
/// </summary>
/// <param name="grabber"></param>
protected virtual void OnGrabStay(Grabber grabber)
{
transform.position = grabber.transform.position;
transform.rotation = grabber.transform.rotation;
if (Rigidbody != null)
{
Rigidbody.isKinematic = true;
}
}
protected override void DetachGrabber(Grabber grabber)
{
base.DetachGrabber(grabber);
SpringJoint joint = GetComponent <SpringJoint>();
if (joint != null)
{
joint.connectedBody = null;
StartCoroutine(DestroyJointAfterDelay(joint));
}
}
/// <summary>
/// Base method for start grabbing.
/// </summary>
/// <param name="grabber">The current grabber.</param>
public virtual void StartGrabbing(Grabber grabber)
{
Grabber = grabber;
State = GrabbingState.SimpleGrab;
AttachGrabber(grabber);
if (OnGrabbed != null)
{
OnGrabbed(this);
}
SetColor(_grabbedColor);
}
protected override void AttachGrabber(Grabber grabber)
{
base.AttachGrabber(grabber);
FixedJoint joint = GetComponent <FixedJoint>();
if (joint == null)
{
joint = gameObject.AddComponent <FixedJoint>();
}
joint.connectedBody = grabber.GetComponent <Rigidbody>();
var anchor = grabber.transform.position - transform.position;
joint.anchor = anchor;
joint.breakForce = BreakForce;
joint.breakTorque = BreakTorque;
}
protected override void AttachGrabber(Grabber grabber)
{
base.AttachGrabber(grabber);
SpringJoint joint = GetComponent <SpringJoint>();
if (joint == null)
{
joint = gameObject.AddComponent <SpringJoint>();
}
joint.connectedBody = grabber.GetComponent <Rigidbody>();
var anchor = grabber.transform.position - transform.position;
joint.anchor = anchor;
joint.axis = Vector3.one;
joint.breakForce = BreakForce;
joint.breakTorque = BreakTorque;
joint.spring = Spring;
joint.damper = Damper;
joint.massScale = MassScale;
joint.enableCollision = true;
}
/// <summary>
/// Called on grabbing stopped
/// </summary>
/// <param name="grabber"></param>
public virtual void StopGrabbing(Grabber grabber)
{
grabber.StopGrabbing();
State = GrabbingState.Normal;
Grabber = null;
DetachGrabber(grabber);
if (OnReleased != null)
{
OnReleased(this);
}
if (Rigidbody != null)
{
Rigidbody.isKinematic = false;
}
if (InputInstance.FocusedObject.GameObject != gameObject)
{
SetColor(_normalColor);
}
}
protected override void AttachGrabber(Grabber grabber)
{
base.AttachGrabber(grabber);
HingeJoint joint = GetComponent <HingeJoint>();
if (joint == null)
{
joint = gameObject.AddComponent <HingeJoint>();
}
joint.connectedBody = grabber.GetComponent <Rigidbody>();
var anchor = grabber.transform.position - transform.position;
joint.anchor = anchor;
joint.axis = Vector3.one;
joint.breakForce = BreakForce;
joint.breakTorque = BreakTorque;
joint.useLimits = true;
var limits = joint.limits;
limits.min = MinDistance;
limits.max = MaxDistance;
joint.limits = limits;
}
protected override void OnGrabStay(Grabber grabber)
{
transform.position = Vector3.Lerp(transform.position, grabber.GrabHandle.position, Time.deltaTime * _lerpSpeed);
}
protected override void DetachGrabber(Grabber grabber)
{
base.DetachGrabber(grabber);
Rigidbody.useGravity = true;
State = GrabbingState.Normal;
}
protected override void AttachGrabber(Grabber grabber)
{
base.AttachGrabber(grabber);
Rigidbody.useGravity = false;
State = GrabbingState.AttachedGrab;
}
protected override void OnGrabStay(Grabber grabber)
{
// Do nothing, because physic engine will do for us
}
/// <summary>
/// Base method for deattaching grabber to rigidbody
/// his is only used by joint and lerped based grabbing
/// </summary>
/// <param name="grabber"></param>
protected virtual void DetachGrabber(Grabber grabber)
{
}
