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- using System;
- using System.Collections;
- using Leap.Unity.Attributes;
- using UnityEngine;
- namespace Leap.Unity
- {
- public class ExtendedFingerDetector : Detector
- {
- private void OnValidate()
- {
- int num = 0;
- int num2 = 0;
- PointingState[] array = new PointingState[]
- {
- this.Thumb,
- this.Index,
- this.Middle,
- this.Ring,
- this.Pinky
- };
- foreach (PointingState pointingState in array)
- {
- if (pointingState != PointingState.Extended)
- {
- if (pointingState == PointingState.NotExtended)
- {
- num2++;
- }
- }
- else
- {
- num++;
- }
- this.MinimumExtendedCount = Math.Max(num, this.MinimumExtendedCount);
- this.MaximumExtendedCount = Math.Min(5 - num2, this.MaximumExtendedCount);
- this.MaximumExtendedCount = Math.Max(num, this.MaximumExtendedCount);
- }
- }
- private void Awake()
- {
- this.watcherCoroutine = this.extendedFingerWatcher();
- }
- private void OnEnable()
- {
- base.StartCoroutine(this.watcherCoroutine);
- }
- private void OnDisable()
- {
- base.StopCoroutine(this.watcherCoroutine);
- this.Deactivate();
- }
- private IEnumerator extendedFingerWatcher()
- {
- for (;;)
- {
- bool fingerState = false;
- if (this.HandModel != null && this.HandModel.IsTracked)
- {
- Hand hand = this.HandModel.GetLeapHand();
- if (hand != null)
- {
- fingerState = (this.matchFingerState(hand.Fingers[0], this.Thumb) && this.matchFingerState(hand.Fingers[1], this.Index) && this.matchFingerState(hand.Fingers[2], this.Middle) && this.matchFingerState(hand.Fingers[3], this.Ring) && this.matchFingerState(hand.Fingers[4], this.Pinky));
- int num = 0;
- for (int i = 0; i < 4; i++)
- {
- if (hand.Fingers[i].IsExtended)
- {
- num++;
- }
- }
- fingerState = (fingerState && num <= this.MaximumExtendedCount && num >= this.MinimumExtendedCount);
- if (this.HandModel.IsTracked && fingerState)
- {
- this.Activate();
- }
- else if (!this.HandModel.IsTracked || !fingerState)
- {
- this.Deactivate();
- }
- }
- }
- else if (base.IsActive)
- {
- this.Deactivate();
- }
- yield return new WaitForSeconds(this.Period);
- }
- yield break;
- }
- private bool matchFingerState(Finger finger, PointingState requiredState)
- {
- return requiredState == PointingState.Either || (requiredState == PointingState.Extended && finger.IsExtended) || (requiredState == PointingState.NotExtended && !finger.IsExtended);
- }
- [Tooltip("The interval in seconds at which to check this detector's conditions.")]
- public float Period = 0.1f;
- [AutoFind(AutoFindLocations.Parents)]
- [Tooltip("The hand model to watch. Set automatically if detector is on a hand.")]
- public IHandModel HandModel;
- public PointingState Thumb = PointingState.Either;
- public PointingState Index = PointingState.Either;
- public PointingState Middle = PointingState.Either;
- public PointingState Ring = PointingState.Either;
- public PointingState Pinky = PointingState.Either;
- [Range(0f, 5f)]
- public int MinimumExtendedCount;
- [Range(0f, 5f)]
- public int MaximumExtendedCount = 5;
- private IEnumerator watcherCoroutine;
- }
- }
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