public override void OnInspectorGUI()
{
GUILayout.Label("Advanced Gesture States", EditorStyles.boldLabel);
// do not draw the control variables
AdvancedGesture advTarget = (AdvancedGesture)target;
advTarget.gestureCooldown = EditorGUILayout.FloatField("Cooldown (seconds)", advTarget.gestureCooldown);
advTarget.allowedWhileHoldingObjects = EditorGUILayout.Toggle("Allow While Holding", advTarget.allowedWhileHoldingObjects);
foreach (AdvancedGestureState advState in advTarget.advancedGestureStateList)
{
DrawAdvancedGestureState(advState);
}
if (GUILayout.Button("Add Gesture State"))
{
advTarget.advancedGestureStateList.Add(new AdvancedGestureState());
}
if (stateToDelete != null)
{
advTarget.advancedGestureStateList.Remove(stateToDelete);
stateToDelete = null;
}
// set dirty to ensure the object is saved
EditorUtility.SetDirty(target);
}
public override bool IsConditionOccuring(SDK_BaseGestureLibrary.Hand specificHand, AdvancedGesture advancedGestureInfo)
{
SDK_BaseGestureLibrary.Hand otherHand = specificHand == SDK_BaseGestureLibrary.Hand.Left ? SDK_BaseGestureLibrary.Hand.Right : SDK_BaseGestureLibrary.Hand.Left;
return(simultaneousGesture.IsGestureOccuring(otherHand));
}
public override bool IsConditionOccuring(SDK_BaseGestureLibrary.Hand specificHand, AdvancedGesture advancedGestureInfo)
{
return(Time.time >= advancedGestureInfo.gestureStartTime + gestureHoldTime);
}
public override bool IsConditionOccuring(SDK_BaseGestureLibrary.Hand specificHand, AdvancedGesture advancedGestureInfo)
{
SDK_BaseGestureLibrary currentLibrary = VRTK.VRTK_SDK_Bridge.GetHandSDK().GetGestureLibrary();
if (currentLibrary == null)
{
Debug.LogWarning("No gesture library detected for the current Hand SDK");
return(false);
}
Vector3 palmNormal = currentLibrary.GetHandNormal(specificHand);
if (palmNormal == Vector3.zero)
{
// hand tracking lost
return(false);
}
// otherVec is a normal vector that will be compared to the palm vector
Vector3 otherVec;
Quaternion rotationToUse = Quaternion.Euler(eulerRotationFromOtherVector);
if (otherVectorToUse == OtherVector.World)
{
switch (otherVectorDirection)
{
case VectorType.Forward:
{
otherVec = rotationToUse * Vector3.forward;
break;
}
case VectorType.Up:
{
otherVec = rotationToUse * Vector3.up;
break;
}
default:
{
otherVec = rotationToUse * Vector3.up;
break;
}
}
}
else if (otherVectorToUse == OtherVector.Hmd)
{
Transform hmd = VRTK_SDK_Bridge.GetHeadset();
switch (otherVectorDirection)
{
case VectorType.Forward:
{
otherVec = hmd.TransformDirection(rotationToUse * Vector3.forward);
break;
}
case VectorType.Up:
{
otherVec = hmd.TransformDirection(rotationToUse * Vector3.up);
break;
}
default:
{
otherVec = hmd.TransformDirection(rotationToUse * Vector3.up);
break;
}
}
}
else
{
// for whatever reason, otherVec is undefined. return false
return(false);
}
float dotProduct = Vector3.Dot(otherVec, palmNormal);
// close to 1 -> similar direction
if (dotProduct >= 1 - tolerance)
{
return(true);
}
else
{
return(false);
}
}
public override bool IsConditionOccuring(SDK_BaseGestureLibrary.Hand specificHand, AdvancedGesture advancedGestureInfo)
{
Vector3 palmPosition;
Vector3 previousPalmPosition;
if (specificHand == SDK_BaseGestureLibrary.Hand.Left)
{
previousPalmPosition = advancedGestureInfo.prevLeftPalmPosition;
palmPosition = advancedGestureInfo.GetLeftHandPosition();
}
else
{
previousPalmPosition = advancedGestureInfo.prevRightPalmPosition;
palmPosition = advancedGestureInfo.GetRightHandPosition();
}
if (palmPosition == Vector3.zero)
{
// vector3 zero is the 'null' for vectors
return(false);
}
float palmMovementDistance = Vector3.Distance(palmPosition, previousPalmPosition);
// switch statement effectively controls which operator is used when comparing the actual palm movement amount to the desired palm movement amount
switch (distanceOperator)
{
case MovementOperator.LessThan:
{
if (palmMovementDistance < distanceFromPreviousGesture)
{
return(true);
}
break;
}
case MovementOperator.GreaterThan:
{
if (palmMovementDistance > distanceFromPreviousGesture)
{
return(true);
}
break;
}
case MovementOperator.EqualTo:
{
if ((distanceFromPreviousGesture - distanceTolerance <= palmMovementDistance && palmMovementDistance <= distanceFromPreviousGesture + distanceTolerance))
{
return(true);
}
break;
}
}
return(false);
}
/// <summary>
/// Returns true if the condition is occuring and false otherwise, except in the base version which will always return false.
/// This method is not marked as abstract because Unity cannot serialize classes that have abstract base classes. New Advanced Gesture Conditions
/// should implement this method.
/// </summary>
public virtual bool IsConditionOccuring(SDK_BaseGestureLibrary.Hand specificHand, AdvancedGesture advancedGestureInfo)
{
return(false);
}