private void LateUpdate()
{
bool isHandClose = handUI.isHandClose(hand);
bool isGrabbedByOtherHand = handUI.pinched && handUI.closestHand == hand.otherHand();
bool isTwoHandedAllowed = handUI.twoHandedTRS;
if (isTwoHandedAllowed)
{
if (!shown && isHandClose && !hand.isPinched())
{
Show();
shown = true;
}
if (shown && (!isHandClose || hand.isPinched()))
{
Hide();
shown = false;
}
}
else
{
if ((!isHandClose || isGrabbedByOtherHand || hand.isPinched()) && shown)
{
Hide();
shown = false;
}
if (!isGrabbedByOtherHand && !shown && isHandClose && !hand.isPinched())
{
Show();
shown = true;
}
}
if (shown)
{
transform.position = handUI.ClosestPointOnCircleToHand(hand);
}
}
private void Update()
{
closestHand = null;
//find closest hand
dL = HandDistance(HandUIManager.handLeft);
dR = HandDistance(HandUIManager.handRight);
if (dL <= dR)
{
closestHand = HandUIManager.handLeft;
}
else if (dR < dL)
{
closestHand = HandUIManager.handRight;
}
closestHandDist = Mathf.Min(dL, dR);
dist = closestHandDist;
handIsClose = dist < hoverDistance * hoverDistance;
if (handIsClose && !hovered && canBeHovered && !isClosestPinching())
{
BeginHover();
}
if (!handIsClose && !pinched && hovered)
{
EndHover();
}
reset = false;
if (hovered && !pinched && isClosestPinching() && !isClosestHandHolding())
{
BeginPinch();
}
if (pinched && !isClosestPinching())
{
EndPinch();
}
if (!bothHandsPinched && pinched && closestHand.otherHand().isPinched() && isHandClose(closestHand.otherHand()))
{
// start double pinch
bothHandsPinched = true;
onGrabDistanceBetweenHands = Vector3.Distance(HandUIManager.pinchLeft.pose.position,
HandUIManager.pinchRight.pose.position);
onGrabScale = transform.localScale;
onGrabEulerAngles = transform.eulerAngles;
var midpoint = (HandUIManager.pinchLeft.pose.position + HandUIManager.pinchLeft.pose.position) / 2;
prevMidpointPos = midpoint;
deltaAngle = 0;
reset = true;
onGrabMidpointOffset = midpoint - transform.position;
onGrabRightToLeft = HandUIManager.pinchLeft.pose.position - HandUIManager.pinchRight.pose.position;
onGrabRightToLeft.y = 0;
}
if (bothHandsPinched && !(closestHand.isPinched() && closestHand.otherHand().isPinched()))
{
//end double pinch
bothHandsPinched = false;
onGrabMidpointOffset = HandPointerPos(closestHand) - transform.position;
}
if (pinched)
{
var currentPinchPos = HandPointerPos(closestHand);
currentDeltaPinchPos = currentPinchPos - prevPinchPos;
distanceFromInitPinchPos = currentPinchPos - initPositionWhenPinched;
prevPinchPos = currentPinchPos;
}
if (pinched && moveWithPinch)
{
if (twoHandedTRS && bothHandsPinched)
{
// TRS with 2 hands
var midpoint = (HandUIManager.pinchLeft.pose.position + HandUIManager.pinchLeft.pose.position) / 2;
var currentDistance = Vector3.Distance(HandUIManager.pinchLeft.pose.position,
HandUIManager.pinchRight.pose.position);
var currentRightToLeft = HandUIManager.pinchLeft.pose.position - HandUIManager.pinchRight.pose.position;
currentRightToLeft.y = 0;
var angle = Vector3.SignedAngle(currentRightToLeft, onGrabRightToLeft, Vector3.up);
if (!reset)
{
deltaAngle = prevAngle - angle;
}
else
{
reset = false;
}
prevAngle = angle;
onGrabMidpointOffset = Quaternion.Euler(0, deltaAngle, 0) * onGrabMidpointOffset;
transform.Rotate(deltaAngle * Vector3.up);
transform.position = midpoint - onGrabMidpointOffset * currentDistance / onGrabDistanceBetweenHands;
transform.localScale = onGrabScale * currentDistance / onGrabDistanceBetweenHands;
}
else
{
// move with one hand
transform.position = HandPointerPos(closestHand) - onGrabMidpointOffset;
}
}
}