private void renderNewReceiverGained(Receiver receiver)
{
if (getControllerPointFunc == null)
{
getControllerPointFunc = getControllerPoint;
}
if (getReceiverPointFunc == null)
{
getReceiverPointFunc = getReceiverPoint;
}
DebugPing.PingCone(getControllerPointFunc,
getReceiverPointFunc,
renderColor,
0.3f,
DebugPing.AnimType.Fade);
DebugPing.Ping(getReceiverPointFunc,
renderColor, 0.40f, DebugPing.AnimType.ExpandAndFade);
DebugPing.Ping(getReceiverPointFunc,
renderColor, 0.42f, DebugPing.AnimType.ExpandAndFade);
DebugPing.Ping(getReceiverPointFunc,
renderColor, 0.44f, DebugPing.AnimType.ExpandAndFade);
DebugPing.Ping(getReceiverPointFunc,
renderColor, 0.46f, DebugPing.AnimType.ExpandAndFade);
DebugPing.Ping(getReceiverPointFunc,
renderColor, 0.48f, DebugPing.AnimType.ExpandAndFade);
}
protected override void WhileHandTracked(Hand hand)
{
// Update pose with the position of the pinch, which is theoretical if there's no
// pinch but absolute when a pinch is actually occuring.
var pinchPosition = hand.GetPredictedPinchPosition();
var avgIndexThumbTip = ((hand.GetIndex().TipPosition
+ hand.GetThumb().TipPosition) / 2f).ToVector3();
pinchPosition = Vector3.Lerp(pinchPosition, avgIndexThumbTip, _latestPinchStrength);
_lastPinchPose = new Pose()
{
position = pinchPosition,
rotation = hand.Rotation.ToQuaternion()
};
// Reset the "degenerate conditions" timer if we detect that we're looking down
// the wrist of the hand; here fingers are usually occluded, so we want to ignore
// pinch information in this case.
var lookingDownWrist = Vector3.Angle(hand.DistalAxis(),
hand.PalmPosition.ToVector3() - Camera.main.transform.position) < 25f;
if (lookingDownWrist)
{
if (_drawDebug)
{
DebugPing.Ping(hand.WristPosition.ToVector3(), Color.black, 0.10f);
}
minReactivateSinceDegenerateConditionsTimer = 0;
}
}
protected override bool ShouldGestureActivate(Hand leftHand, Hand rightHand)
{
Vector3 positionOfInterest;
bool isGesturePoseHeld = IsGesturePoseHeld(leftHand, rightHand, out positionOfInterest);
_lastKnownPositionOfInterest = positionOfInterest;
if (!isGesturePoseHeld && !_gestureReady)
{
_gestureReady = true;
}
bool isRelativeHandVelocityLow = updateIsRelativeHandVelocityLow(leftHand,
rightHand);
if (isRelativeHandVelocityLow && isGesturePoseHeld && _gestureReady)
{
if (drawHeldPoseDebug)
{
DebugPing.Ping(positionOfInterest, LeapColor.red, 0.10f);
}
return(true);
}
return(false);
}
public Pose GetPose()
{
var handleKinematicState = handleKinematicStateProvider.GetKinematicState();
var handlePose = handleKinematicState.pose;
var handleToAttachedUIPose = handleAttachmentPoseProvider.GetHandleToAttachmentPose();
var layoutPos = LayoutUtils.LayoutThrownUIPosition2(
Camera.main.transform.ToPose(),
//handlePose.position,
handlePose.Then(handleToAttachedUIPose).position,
handleKinematicState.movement.velocity,
optimalHeightFromHead: optimalHeightFromHead,
optimalDistance: optimalDistance);
if (drawDebug)
{
DebugPing.Ping(handlePose, LeapColor.red, 0.2f);
DebugPing.PingCapsule(handlePose.position, layoutPos, LeapColor.purple, 0.2f);
DebugPing.Ping(layoutPos, LeapColor.blue, 0.2f);
}
var solvedHandlePose =
new Pose(layoutPos,
Utils.FaceTargetWithoutTwist(layoutPos,
Camera.main.transform.position,
flip180))
.Then(handleToAttachedUIPose.inverse);
return(solvedHandlePose);
}
protected override void WhileGestureActive(Hand hand)
{
if (_drawDebugPath)
{
DebugPing.Ping(hand.GetPredictedPinchPosition(), LeapColor.amber, 0.05f);
}
// TODO: Make this a part of OneHandedGesture so this doesn't have to be explicit!
OnSend(this.pose);
}
private void fireOnMoved(Pose movedToPose)
{
OnMoved();
OnMovedHandle(this, movedToPose);
if (drawDebugGizmos)
{
DebugPing.Ping(intObj.transform.position, LeapColor.blue, 0.075f);
}
}
private void fireOnPickedUp()
{
if (anchObj.isAttached)
{
OnPlaced();
}
OnPickedUp();
OnPickedUpHandle(this);
if (drawDebugGizmos)
{
DebugPing.Ping(intObj.transform.position, LeapColor.cyan, 0.5f);
}
}
private bool updateIsRelativeHandVelocityLow(Hand leftHand, Hand rightHand)
{
var leftHandPos = leftHand.PalmPosition.ToVector3();
var rightHandPos = rightHand.PalmPosition.ToVector3();
var leftMinusRightHandPosition = leftHandPos - rightHandPos;
leftMinusRightHandPosBuffer.Add(leftMinusRightHandPosition, Time.time);
if (leftMinusRightHandPosBuffer.IsFull)
{
var relativeHandVelocity = leftMinusRightHandPosBuffer.Delta();
if (drawHeldPoseDebug)
{
RuntimeGizmoDrawer drawer = null;
if (RuntimeGizmoManager.TryGetGizmoDrawer(out drawer))
{
drawer.DrawBar(relativeHandVelocity.magnitude,
(leftHandPos + rightHandPos) / 2f,
Vector3.up, 0.1f);
}
}
if (relativeHandVelocity.sqrMagnitude < MAX_RELATIVE_HAND_VELOCITY_SQR)
{
return(true);
}
else
{
if (drawHeldPoseDebug)
{
DebugPing.Ping((leftHandPos + rightHandPos) / 2f, LeapColor.black, 0.2f);
}
return(false);
}
}
if (drawHeldPoseDebug)
{
DebugPing.Ping((leftHandPos + rightHandPos) / 2f, LeapColor.gray, 0.1f);
}
return(false);
}
protected override bool ShouldGestureDeactivate(Hand leftHand, Hand rightHand,
out DeactivationReason?deactivationReason)
{
Vector3 positionOfInterest;
bool isGesturePoseHeld = IsGesturePoseHeld(leftHand, rightHand, out positionOfInterest);
_lastKnownPositionOfInterest = positionOfInterest;
if (updateIsRelativeHandVelocityLow(leftHand, rightHand) &&
isGesturePoseHeld)
{
if (_gestureActiveTime > holdActivationDuration)
{
// Gesture finished successfully.
if (drawHeldPoseDebug)
{
DebugPing.Ping(positionOfInterest, LeapColor.cerulean, 0.20f);
}
deactivationReason = DeactivationReason.FinishedGesture;
_gestureReady = false;
return(true);
}
else
{
// Continue gesture activation.
deactivationReason = null;
return(false);
}
}
else
{
// Gesture was cancelled.
deactivationReason = DeactivationReason.CancelledGesture;
return(true);
}
}
private void onGraspEnd()
{
if (anchObj != null && anchObj.preferredAnchor != null)
{
OnPlacedInContainer();
OnPlacedHandleInContainer(this);
}
else if (intObj.rigidbody.velocity.magnitude > PhysicalInterfaceUtils.MIN_THROW_SPEED)
{
OnThrown(intObj.rigidbody.velocity);
OnThrownHandle(this, intObj.rigidbody.velocity);
}
else
{
OnPlaced();
OnPlacedHandle(this);
}
if (drawDebugGizmos)
{
DebugPing.Ping(intObj.transform.position, LeapColor.orange, 0.5f);
}
}
public float GetCustomPinchDistance(Hand h)
{
Vector3 c0, c1;
var pinchDistance = PinchSegment2SegmentDisplacement(h, out c0, out c1).magnitude;
pinchDistance -= 0.01f;
pinchDistance = pinchDistance.Clamped01();
// if (Input.GetKeyDown(KeyCode.C)) {
// Debug.Log(pinchDistance);
// }
if (drawDebugPinchDistance)
{
DebugPing.Line("RH pinch", c0, c1, LeapColor.blue);
DebugPing.Label("RH pinch",
labelText: pinchDistance.ToString("F3"),
labeledPosition: ((c1 + c0) / 2f),
color: LeapColor.blue);
}
return(pinchDistance);
}
protected override bool ShouldGestureDeactivate(Hand hand,
out DeactivationReason?
deactivationReason)
{
deactivationReason = DeactivationReason.FinishedGesture;
bool shouldDeactivate = false;
_latestPinchStrength = 1f;
OnPinchStrengthEvent.Invoke(_latestPinchStrength);
if (minDeactivateTimer > MIN_DEACTIVATE_TIME)
{
var pinchDistance = PinchSegment2SegmentDisplacement(hand).magnitude;
if (pinchDistance > pinchDeactivateDistance)
{
shouldDeactivate = true;
if (_drawDebug)
{
DebugPing.Ping(hand.GetPredictedPinchPosition(), Color.black, 0.20f);
}
}
}
else
{
minDeactivateTimer++;
}
if (shouldDeactivate)
{
minReactivateTimer = 0;
}
return(shouldDeactivate);
}
void Update()
{
_wasActivated = false;
_wasDeactivated = false;
_wasCancelled = false;
_wasFinished = false;
// Update the sequence.
if (sequenceGraph.Length != 0)
{
var curGestureNode = sequenceGraph[_curSequenceIdx];
bool shouldActivate = false;
bool shouldCancel = false;
bool shouldFinish = false;
// This gesture sequence as long as the current gesture in the sequence is
// active.
if (curGestureNode.gesture.isActive)
{
shouldActivate = true;
// Check if the current gesture is an IPoseGesture, in which case, inherit its
// pose.
if (curGestureNode.gesture is IPoseGesture)
{
this._latestGesturePose = (curGestureNode.gesture as IPoseGesture).pose;
}
}
if (curGestureNode.gesture.wasFinished)
{
// This gesture was completed, so next frame we'll look at the next
// gesture in the sequence.
_curSequenceIdx += 1;
if (drawDebug)
{
DebugPing.Ping(Camera.main.transform.position
+ Camera.main.transform.forward * 0.5f,
LeapColor.blue, 0.1f * _curSequenceIdx);
}
// Also reset the gesture timer.
_nextGestureTimer = 0f;
if (_curSequenceIdx == sequenceGraph.Length)
{
// We hit the end of the sequence successfully!
shouldFinish = true;
if (drawDebug)
{
DebugPing.Ping(Camera.main.transform.position
+ Camera.main.transform.forward * 0.5f,
LeapColor.green, 0.11f * _curSequenceIdx);
DebugPing.Ping(Camera.main.transform.position
+ Camera.main.transform.forward * 0.5f,
LeapColor.yellow, 0.105f * _curSequenceIdx);
}
}
}
else
{
// Wait for the gesture to begin, or cancel this sequence if the
// current gesture in the sequence was cancelled.
if (curGestureNode.gesture.wasCancelled)
{
if (drawDebug)
{
DebugPing.Ping(Camera.main.transform.position
+ Camera.main.transform.forward * 0.5f,
LeapColor.black, 0.11f * _curSequenceIdx);
DebugPing.Ping(Camera.main.transform.position
+ Camera.main.transform.forward * 0.5f,
LeapColor.red, 0.105f * _curSequenceIdx);
}
shouldCancel = true;
}
else if (!curGestureNode.gesture.isActive)
{
_nextGestureTimer += Time.deltaTime;
if (_nextGestureTimer > curGestureNode.waitDuration)
{
if (drawDebug)
{
DebugPing.Ping(Camera.main.transform.position
+ Camera.main.transform.forward * 0.5f,
LeapColor.black, 0.11f * _curSequenceIdx);
DebugPing.Ping(Camera.main.transform.position
+ Camera.main.transform.forward * 0.5f,
LeapColor.black, 0.105f * _curSequenceIdx);
}
shouldCancel = true;
}
}
}
// Set this gesture state appropriately.
if (shouldActivate)
{
if (!_isActive)
{
_wasActivated = true;
}
_isActive = true;
}
else if (shouldCancel)
{
if (_isActive)
{
_isActive = false;
_wasDeactivated = true;
_wasCancelled = true;
_wasFinished = false;
}
}
else if (shouldFinish)
{
if (_isActive)
{
_isActive = false;
_wasDeactivated = true;
_wasCancelled = false;
_wasFinished = true;
}
}
if (_wasCancelled || _wasFinished)
{
_curSequenceIdx = 0;
}
}
}
public void UpdateCentroidMovement(Vector3?[] positions,
float[] strengths = null,
bool drawDebug = false)
{
if (strengths != null && positions.Length != strengths.Length)
{
throw new InvalidOperationException(
"positions and strengths Indexables must have the same Count.");
}
bool[] useableIndices = new bool[_lastPositions.Length];
_didCentroidAppear = false;
_didCentroidDisappear = false;
int numLastValidPositions = CountValid(_lastPositions);
int numCurValidPositions = CountValid(positions);
if (numLastValidPositions == 0 && numCurValidPositions > 0)
{
_didCentroidAppear = true;
}
if (numLastValidPositions > 0 && numCurValidPositions == 0)
{
_didCentroidDisappear = true;
}
// Useable indices have valid positions in both the "last" and "current" arrays.
for (int i = 0; i < _lastPositions.Length; i++)
{
if (i >= positions.Length)
{
break;
}
var lastV = _lastPositions[i];
var curV = positions[i];
if (lastV.HasValue && curV.HasValue)
{
useableIndices[i] = true;
}
else if (!lastV.HasValue && !curV.HasValue)
{
// One index has a value in one array and no value in the other;
// this means the Centroid is going to teleport.
_didCentroidTeleport = true;
}
}
_isMoving = false;
_avgDelta = Vector3.zero;
int count = 0;
for (int i = 0; i < useableIndices.Length; i++)
{
if (useableIndices[i])
{
_isMoving = true;
var addedDelta = (positions[i] - _lastPositions[i]).Value;
if (strengths != null)
{
addedDelta *= strengths[i];
}
_avgDelta += addedDelta;
count++;
}
}
if (count > 0)
{
_avgDelta /= count;
}
// Update centroid state.
if (_didCentroidAppear)
{
_centroid = positions.Query()
.Select(maybeV => maybeV.GetValueOrDefault())
.Fold((acc, v) => acc + v)
/ numCurValidPositions;
if (drawDebug)
{
DebugPing.Ping(_centroid.Value, LeapColor.cyan, 0.20f);
}
}
if (_centroid != null)
{
_centroid += _avgDelta;
if (drawDebug)
{
DebugPing.Ping(_centroid.Value, LeapColor.green, 0.15f);
}
}
if (_didCentroidDisappear)
{
if (drawDebug)
{
DebugPing.Ping(_centroid.Value, LeapColor.black, 0.20f);
}
_centroid = null;
}
// Set last positions with the current positions.
for (int i = 0; i < _lastPositions.Length; i++)
{
if (i >= positions.Length)
{
_lastPositions[i] = null;
}
else
{
_lastPositions[i] = positions[i];
}
}
}
public Vector3 GetTargetPosition()
{
Vector3 layoutPos;
if (!uiHandle.wasThrown)
{
layoutPos = uiHandle.pose.position;
if (drawDebug)
{
DebugPing.Ping(layoutPos, Color.white);
}
}
else
{
// When the UI is thrown, utilize the static thrown UI util to calculate a decent
// final position relative to the user's head given the position and velocity of
// the throw.
layoutPos = PhysicalInterfaceUtils.LayoutThrownUIPosition2(
Camera.main.transform.ToPose(),
uiHandle.pose.position,
uiHandle.movement.velocity,
layoutDistanceMultiplier
);
// However, UIs whose central "look" anchor is in a different position than their
// grabbed/thrown anchor shouldn't be placed directly at the determined position.
// Rather, we need to adjust this position so that the _look anchor,_ not the
// thrown handle, winds up in the calculated position from the throw.
// Start with the "final" pose as it would currently be calculated.
// We need to know the target rotation of the UI based on the target position in
// order to adjust the final position properly.
Pose finalUIPose = new Pose(layoutPos, GetTargetRotationForPosition(layoutPos));
// We assume the uiAnchorHandle and the uiLookAnchor are rigidly connected.
Vector3 curHandleToLookAnchorOffset = (uiLookPositionProvider.GetTargetWorldPosition()
- uiHandle.pose.position);
// We undo the current rotation of the UI handle and apply that rotation
// on the current world-space offset between the handle and the look anchor.
// Then we apply the final rotation of the UI to this unrotated offset vector,
// giving us the expected final offset between the position that was calculated
// by the layout function and the handle.
Vector3 finalRotatedLookAnchorOffset =
finalUIPose.rotation
* (Quaternion.Inverse(uiHandle.pose.rotation)
* curHandleToLookAnchorOffset);
// We adjust the layout position by this offset, so now the UI should wind up
// with its lookAnchor at the calculated location instead of the handle.
layoutPos = layoutPos - finalRotatedLookAnchorOffset;
// We also adjust any interface positions down a bit.
layoutPos += (Camera.main.transform.parent != null ?
-Camera.main.transform.parent.up
: Vector3.down) * 0.19f;
if (drawDebug)
{
DebugPing.Ping(layoutPos, Color.red);
}
}
return(layoutPos);
}
private void Update()
{
// Current facing.
var curFacing = this.transform.forward.xz();
// Movement input.
float moveVecMag;
var moveVec = getInputMovementVector(out moveVecMag);
var moveVecDir = (moveVecMag > 0.01f ? moveVec / moveVecMag : curFacing);
var isMovingIntended = moveVecMag > 0.01f;
if (cameraTransform != null && isMovingIntended)
{
var camXZToPlayer
= this.transform.position.ProjectedOnPlane(this.transform.up)
- cameraTransform.position.ProjectedOnPlane(this.transform.up);
var camXZAngle = Vector3.SignedAngle(camXZToPlayer, Vector3.forward, Vector3.up);
var camRotation = Quaternion.AngleAxis(-camXZAngle, Vector3.up);
moveVec = (camRotation * moveVec.AsXZ()).xz();
moveVecDir = (camRotation * moveVecDir.AsXZ()).xz();
}
if (drawDebug)
{
DebugPing.Line("moveVec", this.transform.position,
this.transform.position + moveVec.AsXZ(), LeapColor.red);
}
// Movement.
if (!_lastPosMem.HasValue)
{
_lastPosMem = this.transform.position;
}
var curVelXZ = ((this.transform.position - _lastPosMem.Value) / Time.deltaTime).xz();
if (isMovingIntended)
{
curVelXZ = curVelXZ.RotatedTowards(moveVecDir, turnSpeed * Time.deltaTime);
curVelXZ += speed * moveVec * Time.deltaTime;
}
curVelXZ *= 1 - (movementDecay * Time.deltaTime).Clamped01();
_lastPosMem = this.transform.position;
this.transform.position += curVelXZ.AsXZ() * Time.deltaTime;
var curSpdXZ = curVelXZ.magnitude;
// Facing.
var facingIntent = _lastFacingIntentMem.ValueOr(moveVecDir);
if (isMovingIntended)
{
var facingErrAngle
= Vector3.SignedAngle(curFacing.AsXZ(), moveVecDir.AsXZ(), Vector3.up);
if (facingErrAngle.Abs() > 179.1f)
{
curFacing = (Quaternion.AngleAxis(1f, Vector3.up) * curFacing.AsXZ()).xz();
}
facingIntent = moveVecDir;
_lastFacingIntentMem = moveVecDir;
}
curFacing = curFacing.SlerpedTo(facingIntent, turnSpeed * Time.deltaTime);
this.transform.SetForward(curFacing.AsXZ());
// Animation.
if (curSpdXZ > 0.5f)
{
poser.curPoseIdx = poseIdx_dash;
}
else
{
poser.curPoseIdx = poseIdx_stand;
}
}
protected override bool ShouldGestureActivate(Hand hand)
{
bool shouldActivate = false;
var wasEligibleLastCheck = _isGestureEligible;
_isGestureEligible = false;
// Update curl samples for each index and middle.
updateIndexCurl(hand);
updateMiddleCurl(hand);
// Need to update the "pinch strength" during processing.
_latestPinchStrength = 0f;
// Can only activate a pinch if we haven't already activated a pinch very recently.
if (minReactivateTimer > MIN_REACTIVATE_TIME)
{
// Can only activate a pinch if we're a certain number of frames past the last
// frame where the hand was in a tracking-degenerate orientation (e.g. looking
// down the wrist.)
if (minReactivateSinceDegenerateConditionsTimer
> MIN_REACTIVATE_TIME_SINCE_DEGENERATE_CONDITIONS)
{
// Update pinch and hand position samples.
var latestPinchDistance = GetCustomPinchDistance(hand);
OnPinchStrengthEvent.Invoke(latestPinchDistance);
_handPositionBuffer.Add(hand.PalmPosition.ToVector3(), Time.time);
// Full buffer == optimally stable hand velocity, also implicitly enforces
// a hand lifetime. Hand velocity NOT CURRENTLY ACTUALLY USED.
if (_handPositionBuffer.IsFull)
{
// Determine whether the hand meets the FOV heuristic -- result may be
// ignored depending on public settings.
var handFOVAngle = Vector3.Angle(Camera.main.transform.forward,
hand.PalmPosition.ToVector3() - Camera.main.transform.position);
var handWithinFOV = handFOVAngle < Camera.main.fieldOfView / 2.2f;
// Heuristic: Higher hand velocity == more stringent pinch requirement.
// Goal: Reduce accidental pinches when e.g. dropping the hands by requiring
// a more "certain" pinch while the hand is moving.
// CURRENTLY UNUSED. Comment left here as potential inspiration for
// additional heuristics. TODO DELETEME.
#pragma warning disable 0219
var handVelocity = _handPositionBuffer.Delta();
#pragma warning restore 0219
#region Middle Finger Safety
var palmDir = hand.PalmarAxis();
var middleDir = hand.GetMiddle().bones[1].Direction.ToVector3();
var signedMiddlePalmAngle = Vector3.SignedAngle(palmDir,
middleDir,
hand.RadialAxis());
if (hand.IsLeft)
{
signedMiddlePalmAngle *= -1f;
}
#endregion
#region Ring Finger Safety
var ringDir = hand.GetRing().bones[1].Direction.ToVector3();
var signedRingPalmAngle = Vector3.SignedAngle(palmDir,
ringDir,
hand.RadialAxis());
if (hand.IsLeft)
{
signedRingPalmAngle *= -1f;
}
#endregion
#region Index Angle (Eligibility Only)
// Note: obviously pinching already requires the index finger to
// close relative to the palm -- this check simply drives the
// isEligible state for this pinch gesture so that the gesture isn't
// "eligible" when the hand is fully open.
var indexDir = hand.GetIndex().bones[1].Direction.ToVector3();
var indexPalmAngle = Vector3.Angle(indexDir, palmDir);
#endregion
#region Thumb Angle (Eligibility Only)
// Note: obviously pinching already requires the thumb finger to
// close to touch the index finger -- this check simply drives the
// isEligible state for this pinch gesture so that the gesture isn't
// "eligible" when the hand is fully open.
var thumbDir = hand.GetThumb().bones[2].Direction.ToVector3();
var thumbPalmAngle = Vector3.Angle(thumbDir, palmDir);
#endregion
#region Check: Eligibility
// Eligibility checks -- necessary, but not sufficient conditions to start
// a pinch, suitable for e.g. visual feedback on whether the gesture is
// "able to occur" or "about to occur."
if (
((!wasEligibleLastCheck &&
signedMiddlePalmAngle >= minPalmMiddleAngle) ||
(wasEligibleLastCheck &&
signedMiddlePalmAngle >= minPalmMiddleAngle
* ringMiddleSafetyHysteresisMult) ||
!requireMiddleAndRingSafetyPinch)
&& ((!wasEligibleLastCheck &&
signedRingPalmAngle >= minPalmRingAngle) ||
(wasEligibleLastCheck &&
signedRingPalmAngle >= minPalmRingAngle
* ringMiddleSafetyHysteresisMult) ||
!requireMiddleAndRingSafetyPinch)
// Index angle (eligibility state only)
&& ((!wasEligibleLastCheck &&
indexPalmAngle < maxIndexAngleForEligibilityActivation) ||
(wasEligibleLastCheck &&
indexPalmAngle < maxIndexAngleForEligibilityDeactivation))
// Thumb angle (eligibility state only)
&& ((!wasEligibleLastCheck &&
thumbPalmAngle < maxThumbAngleForEligibilityActivation) ||
(wasEligibleLastCheck &&
thumbPalmAngle < maxThumbAngleForEligibilityDeactivation))
// FOV.
&& (handWithinFOV)
// Must cross pinch threshold from a non-pinching / non-fist pose.
&& (!requiresRepinch)
)
{
// Conceptually, this should be true when all but the most essential
// parameters for the gesture are satisfied, so the user can be notified
// that the gesture is imminent.
_isGestureEligible = true;
}
#endregion
#region Update Pinch Strength
// Update global "pinch strength".
// If the gesture is eligible, we'll have a non-zero pinch strength.
if (_isGestureEligible)
{
_latestPinchStrength = latestPinchDistance.Map(0f, pinchActivateDistance,
1f, 0f);
}
else
{
_latestPinchStrength = 0f;
}
#endregion
#region Check: Pinch Distance
if (_isGestureEligible
// Absolute pinch strength.
&& (latestPinchDistance < pinchActivateDistance)
)
{
shouldActivate = true;
if (_drawDebug)
{
DebugPing.Ping(hand.GetPredictedPinchPosition(), Color.red, 0.20f);
}
}
#endregion
#region Hysteresis for Failed Pinches
// "requiresRepinch" prevents a closed-finger configuration from beginning
// a pinch when the index and thumb never actually actively close from a
// valid position -- think, closed-fist to safety-pinch, as opposed to
// open-hand to safety-pinch -- without introducing any velocity-based
// requirement.
if (latestPinchDistance < pinchActivateDistance && !shouldActivate)
{
requiresRepinch = true;
}
if (requiresRepinch && latestPinchDistance > failedPinchResetDistance)
{
requiresRepinch = false;
}
#endregion
}
}
else
{
minReactivateSinceDegenerateConditionsTimer += 1;
}
}
else
{
minReactivateTimer += 1;
}
if (shouldActivate)
{
minDeactivateTimer = 0;
}
OnPinchStrengthEvent.Invoke(_latestPinchStrength);
return(shouldActivate);
}
private void Update()
{
GetComponentsInChildren <LODItem>(items);
var camera = Camera.main;
counter += 1;
var pingThisFrame = false;
if (counter % 10 == 0)
{
counter = 0;
if (drawDebug)
{
pingThisFrame = true;
}
}
var selector = GetComponent <PullTabSelector>();
var closestAngle = float.PositiveInfinity;
LODItem closestItem = null;
foreach (var item in items)
{
var testAngle = Vector3.Angle(camera.transform.forward,
item.transform.position - camera.transform.position);
var testDist = Vector3.Distance(item.transform.position, camera.transform.position);
if (pingThisFrame)
{
DebugPing.Ping(item.transform.position, LeapColor.blue, 0.08f);
Debug.Log(testAngle);
}
if (testAngle < closestAngle &&
testAngle <= maxCameraLookAngle &&
testDist <= maxDetailDistance)
{
closestAngle = testAngle;
if (selector != null && selector.listOpenCloseAmount < 0.10f)
{
var activeMarbleItem = selector.activeMarbleParent.GetComponentInChildren <LODItem>();
if (item == activeMarbleItem)
{
closestItem = item;
}
}
else
{
closestItem = item;
}
if (pingThisFrame)
{
DebugPing.Ping(item.transform.position, LeapColor.red, 0.09f);
}
}
}
if (viewMode == ViewMode.Full)
{
foreach (var item in items)
{
if (closestItem != null)
{
if (item.propertySwitch.GetIsOffOrTurningOff())
{
item.propertySwitch.On();
}
}
else
{
if (item.propertySwitch.GetIsOnOrTurningOn())
{
item.propertySwitch.Off();
}
}
}
}
else if (viewMode == ViewMode.Fade)
{
foreach (var item in items)
{
var detailActivation = 0f;
if (closestItem != null)
{
float dist;
switch (fadeDistanceMode)
{
case FadeDistanceMode.FastFalloff:
dist = Mathf.Sqrt((item.transform.position - closestItem.transform.position).magnitude);
detailActivation = dist.Map(0f, Mathf.Sqrt(fadeRadius), 1f, 0f);
break;
case FadeDistanceMode.SlowFalloff:
dist = (item.transform.position - closestItem.transform.position).sqrMagnitude;
detailActivation = dist.Map(0f, fadeRadius * fadeRadius, 1f, 0f);
break;
case FadeDistanceMode.Linear:
default:
dist = (item.transform.position - closestItem.transform.position).magnitude;
detailActivation = dist.Map(0f, fadeRadius, 1f, 0f);
break;
}
if (detailActivation < cutoffActivationPercent)
{
detailActivation = 0f;
}
}
if (item.tweenSwitch != null)
{
item.tweenSwitch.SetTweenTarget(detailActivation);
}
else
{
Debug.LogError("Can't use Fade view mode for this item; it doesn't use a "
+ "TweenSwitch.", item);
}
}
}
else if (viewMode == ViewMode.Single)
{
foreach (var item in items)
{
if (item != closestItem && item.tweenSwitch != null &&
item.propertySwitch.GetIsOnOrTurningOn())
{
item.propertySwitch.Off();
}
}
// Older: one at a time;
if (closestItem != null && closestItem.tweenSwitch != null &&
closestItem.propertySwitch.GetIsOffOrTurningOff())
{
closestItem.propertySwitch.On();
}
}
if (pingThisFrame && closestItem != null)
{
DebugPing.Ping(closestItem.transform.position, LeapColor.purple, 0.10f);
}
}
private void renderLossOfSignal()
{
// TODO: Currently unused, signal is never nullified.
DebugPing.Ping(controllerPoint, Color.black);
}
