public override bool CheckConditions()
{
var leftThumb = GestureSystem.GetLimb(InteractionLimb.LeftThumbTip);
var leftIndex = GestureSystem.GetLimb(InteractionLimb.LeftIndexTip);
var rightThumb = GestureSystem.GetLimb(InteractionLimb.RightThumbTip);
var rightIndex = GestureSystem.GetLimb(InteractionLimb.RightIndexTip);
if (leftThumb == null || leftIndex == null || rightThumb == null || rightIndex == null)
{
return(IsGestureActive);
}
if (IsGestureActive)
{
// if the gesture is already active, we only need to check if the user is still pinching their fingers together
var isPinchingLeft = GestureUtil.IsInProximity(DeactivationDistance, new[] { leftThumb, leftIndex });
var isPinchingRight = GestureUtil.IsInProximity(DeactivationDistance, new[] { rightThumb, rightIndex });
if (isPinchingLeft && isPinchingRight)
{
// gesture still active
GesturePosLeft = GestureUtil.GetCenterPosition(new[] { leftThumb, leftIndex });
GesturePosRight = GestureUtil.GetCenterPosition(new[] { rightThumb, rightIndex });
GesturePosCenter = GestureUtil.GetCenterPosition(new[] { leftThumb, leftIndex, rightThumb, rightIndex });
RaiseGestureActiveEvent();
}
else
{
// one of the hands stopped pinching - stop gesture
IsGestureActive = false;
RaiseGestureStopEvent();
}
}
else
{
// gesture not active, so we'll check if the gesture is initiated
var isPinchingLeft = GestureUtil.CollidesWith(leftThumb, leftIndex);
var isPinchingRight = GestureUtil.CollidesWith(rightThumb, rightIndex);
var areHandsTogether = GestureUtil.IsInProximity(ActivationDistance, new[] { leftThumb, leftIndex, rightThumb, rightIndex });
if (isPinchingLeft && isPinchingRight && areHandsTogether)
{
IsGestureActive = true;
GesturePosLeft = GestureUtil.GetCenterPosition(new[] { leftThumb, leftIndex });
GesturePosRight = GestureUtil.GetCenterPosition(new[] { rightThumb, rightIndex });
GesturePosCenter = GestureUtil.GetCenterPosition(new[] { leftThumb, leftIndex, rightThumb, rightIndex });
RaiseGestureStartEvent();
}
}
return(IsGestureActive);
}
public override bool CheckConditions()
{
var limbs = GestureSystem.GetLimbs(new[]
{
InteractionLimb.LeftThumbTip,
InteractionLimb.LeftThumbBase,
InteractionLimb.LeftIndexTip,
InteractionLimb.LeftIndexBase,
InteractionLimb.RightThumbTip,
InteractionLimb.RightThumbBase,
InteractionLimb.RightIndexTip,
InteractionLimb.RightIndexBase
});
if (limbs.Values.Any((l) => l == null))
{
return(IsGestureActive);
}
var status = CheckStatus(limbs);
if (status == GestureStatus.Starting)
{
IsGestureActive = true;
RaiseGestureStartEvent();
}
else if (status == GestureStatus.Active)
{
RaiseGestureActiveEvent();
}
else if (status == GestureStatus.Stopping)
{
IsGestureActive = false;
RaiseGestureStopEvent();
}
return(IsGestureActive);
}
public override bool CheckConditions()
{
if (TriggerHand == Hand.Either)
{
var leftThumb = GestureSystem.GetLimb(InteractionLimb.LeftThumbTip);
var leftIndex = GestureSystem.GetLimb(InteractionLimb.LeftIndexTip);
var rightThumb = GestureSystem.GetLimb(InteractionLimb.RightThumbTip);
var rightIndex = GestureSystem.GetLimb(InteractionLimb.RightIndexTip);
if (leftThumb == null || leftIndex == null || rightThumb == null || rightIndex == null)
{
return(IsGestureActive);
}
var leftStatus = CheckStatus(leftThumb, leftIndex);
var rightStatus = CheckStatus(rightThumb, rightIndex);
if (leftStatus == GestureStatus.Starting || rightStatus == GestureStatus.Starting)
{
if (leftStatus == GestureStatus.Starting)
{
_activePosition = leftIndex.transform.position;
}
else
{
_activePosition = rightIndex.transform.position;
}
IsGestureActive = true;
RaiseGestureStartEvent();
}
else if (leftStatus == GestureStatus.Active || rightStatus == GestureStatus.Active)
{
if (leftStatus == GestureStatus.Active)
{
_activePosition = leftIndex.transform.position;
}
else
{
_activePosition = rightIndex.transform.position;
}
RaiseGestureActiveEvent();
}
else if (leftStatus == GestureStatus.Stopping && rightStatus == GestureStatus.Stopping)
{
IsGestureActive = false;
RaiseGestureStopEvent();
}
}
else if (TriggerHand == Hand.Both)
{
var leftThumb = GestureSystem.GetLimb(InteractionLimb.LeftThumbTip);
var leftIndex = GestureSystem.GetLimb(InteractionLimb.LeftIndexTip);
var rightThumb = GestureSystem.GetLimb(InteractionLimb.RightThumbTip);
var rightIndex = GestureSystem.GetLimb(InteractionLimb.RightIndexTip);
if (leftThumb == null || leftIndex == null || rightThumb == null || rightIndex == null)
{
return(IsGestureActive);
}
var leftStatus = CheckStatus(leftThumb, leftIndex);
var rightStatus = CheckStatus(rightThumb, rightIndex);
if (leftStatus == GestureStatus.Starting && rightStatus == GestureStatus.Starting)
{
IsGestureActive = true;
// TODO
_activePosition = Vector3.zero;
RaiseGestureStartEvent();
}
else if (leftStatus == GestureStatus.Active && rightStatus == GestureStatus.Active)
{
// TODO
_activePosition = Vector3.zero;
RaiseGestureActiveEvent();
}
else if (leftStatus == GestureStatus.Stopping || rightStatus == GestureStatus.Stopping)
{
IsGestureActive = false;
RaiseGestureStopEvent();
}
}
else
{
var indexType = (TriggerHand == Hand.Left) ? InteractionLimb.LeftIndexTip : InteractionLimb.RightIndexTip;
var thumbType = (TriggerHand == Hand.Left) ? InteractionLimb.LeftThumbTip : InteractionLimb.RightThumbTip;
var index = GestureSystem.GetLimb(indexType);
var thumb = GestureSystem.GetLimb(thumbType);
if (index == null || thumb == null)
{
return(IsGestureActive);
}
var status = CheckStatus(thumb, index);
switch (status)
{
case GestureStatus.Starting:
_activePosition = index.transform.position;
IsGestureActive = true;
RaiseGestureStartEvent();
break;
case GestureStatus.Active:
_activePosition = index.transform.position;
RaiseGestureActiveEvent();
break;
case GestureStatus.Stopping:
IsGestureActive = false;
RaiseGestureStopEvent();
break;
case GestureStatus.Inactive:
// do nothing
break;
default:
throw new InvalidOperationException("Unknown enum for GestureStatus");
}
}
return(IsGestureActive);
}
public override bool CheckConditions()
{
if (TriggerHand == Hand.Both)
{
var leftPalm = GestureSystem.GetLimb(InteractionLimb.LeftPalm);
var rightPalm = GestureSystem.GetLimb(InteractionLimb.RightPalm);
if (leftPalm == null || rightPalm == null)
{
return(IsGestureActive);
}
var leftStatus = CheckStatus(leftPalm);
var rightStatus = CheckStatus(rightPalm);
if (leftStatus == GestureStatus.Starting && rightStatus == GestureStatus.Starting)
{
IsGestureActive = true;
RaiseGestureStartEvent();
}
else if (leftStatus == GestureStatus.Active && rightStatus == GestureStatus.Active)
{
RaiseGestureActiveEvent();
}
else if (leftStatus == GestureStatus.Stopping || rightStatus == GestureStatus.Stopping)
{
IsGestureActive = false;
RaiseGestureStopEvent();
}
}
else
{
var limbType = (TriggerHand == Hand.Left) ? InteractionLimb.LeftPalm : InteractionLimb.RightPalm;
var palm = GestureSystem.GetLimb(limbType);
var status = CheckStatus(palm);
if (palm == null)
{
return(IsGestureActive);
}
switch (status)
{
case GestureStatus.Starting:
IsGestureActive = true;
RaiseGestureStartEvent();
break;
case GestureStatus.Active:
RaiseGestureActiveEvent();
break;
case GestureStatus.Stopping:
IsGestureActive = false;
RaiseGestureStopEvent();
break;
case GestureStatus.Inactive:
// do nothing
break;
default:
throw new InvalidOperationException("Unknown enum for GestureStatus");
}
}
return(IsGestureActive);
}
