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Assets/SteamVR/InteractionSystem/Samples/JoeJeff/JoeJeffGestures.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+using UnityEngine;
+
+namespace Valve.VR.InteractionSystem.Sample
+{
+    public class JoeJeffGestures : MonoBehaviour
+    {
+        private const float openFingerAmount = 0.1f;
+        private const float closedFingerAmount = 0.9f;
+        private const float closedThumbAmount = 0.4f;
+
+        private JoeJeff joeJeff;
+
+        private void Awake()
+        {
+            joeJeff = this.GetComponent<JoeJeff>();
+        }
+
+        private void Update()
+        {
+            if (Player.instance == null)
+                return;
+
+            Transform cam = Camera.main.transform;
+            bool lookingAt = (Vector3.Angle(cam.forward, transform.position - cam.position) < 90);
+
+            if (lookingAt == false)
+                return;
+
+            for (int handIndex = 0; handIndex < Player.instance.hands.Length; handIndex++)
+            {
+                if (Player.instance.hands[handIndex] != null)
+                {
+                    SteamVR_Behaviour_Skeleton skeleton = Player.instance.hands[handIndex].skeleton;
+                    if (skeleton != null)
+                    {
+                        //Debug.LogFormat("{0:0.00}, {1:0.00}, {2:0.00}, {3:0.00}, {4:0.00}", skeleton.thumbCurl, skeleton.indexCurl, skeleton.middleCurl, skeleton.ringCurl, skeleton.pinkyCurl);
+
+                        if ((skeleton.indexCurl <= openFingerAmount && skeleton.middleCurl <= openFingerAmount) &&
+                            (skeleton.thumbCurl >= closedThumbAmount && skeleton.ringCurl >= closedFingerAmount && skeleton.pinkyCurl >= closedFingerAmount))
+                        {
+                            PeaceSignRecognized(true);
+                        }
+                        else
+                        {
+                            PeaceSignRecognized(false);
+                        }
+                    }
+                }
+            }
+        }
+
+        private bool lastPeaceSignState = false;
+        private void PeaceSignRecognized(bool currentPeaceSignState)
+        {
+            if (lastPeaceSignState == false && currentPeaceSignState == true)
+            {
+                joeJeff.Jump();
+            }
+
+            lastPeaceSignState = currentPeaceSignState;
+        }
+    }
+}