// --------------------------------------------------------------------------------
// Force grab
// --------------------------------------------------------------------------------
private void OnForceGrabStart()
{
isForceGrabbing = true;
forceGrabBlasterStartPosition = blaster.spawnTransform.position;
relativePushPull = false;
if (forceGrabbableTarget != null)
{
currentForceGrabDistance = initialForceGrabDistance;
forceGrabbableTarget.OnGrab(this);
}
}
private void GrabObject(SteamVR_Action_Boolean fromAction, SteamVR_Input_Sources fromSource, bool newState)
{
if (!isSelected)
{
return;
}
if (isGrabbing)
{
if (!newState)
{
// -- Throw the object
isGrabbing = false;
currentTarget.OnRelease();
// -- Add force to the projectile
Vector3 handDelta = Vector3.zero;
// Iterate over each hand position, and calculate the delta. Add them up, and find the average
foreach (Vector3 delta in handDeltaHistory)
{
handDelta += delta;
}
currentTarget.rb.AddForce(handDelta / handPositionHistoryCount * throwForceMultiplier, ForceMode.VelocityChange);
}
}
else
{
if (newState)
{
// -- Attempt to pick up an object
if (Physics.Raycast(castingHand.transform.position, castingHand.transform.forward.normalized, out RaycastHit hit, raycastDistance, layermask))
{
// -- Hit: Raycast to the collision point
lineRenderer.SetPosition(0, castingHand.transform.position);
lineRenderer.SetPosition(1, hit.point);
lineRendererAnimator.SetTrigger("fire");
// -- This object we collided with can be grabbed
// Check both the immediate object, and its parent.
// We can have gameobjects with child colliders
ForceGrabbable forceGrabbable = hit.collider.GetComponent <ForceGrabbable>();
if (forceGrabbable == null)
{
forceGrabbable = hit.collider.GetComponentInParent <ForceGrabbable>();
}
if (forceGrabbable != null)
{
// Can't grab slotted targets
if (forceGrabbable.isSlotted)
{
return;
}
hoverDistance = initialHoverDistance;
isGrabbing = true;
currentTarget = forceGrabbable;
currentTarget.OnGrab();
}
}
else
{
// -- Missed: Raycast into air
lineRenderer.SetPosition(0, castingHand.transform.position);
lineRenderer.SetPosition(1, castingHand.transform.position + castingHand.transform.forward * raycastDistance);
lineRendererAnimator.SetTrigger("fire");
}
}
}