add LookAtTargetSwitcher

Scripts/BlendShape/Blinker.cs

@@ -29,11 +29,36 @@ namespace VRM
 
         static readonly string BLINK_NAME = BlendShapePreset.Blink.ToString();
 
+        float m_nextRequest;
+        bool m_request;
+        public bool Request
+        {
+            get { return m_request; }
+            set
+            {
+                if (Time.time < m_nextRequest)
+                {
+                    return;
+                }
+                m_request = value;
+                m_nextRequest = Time.time + 1.0f;
+            }
+        }
+
         IEnumerator BlinkRoutine()
         {
             while (true)
             {
-                yield return new WaitForSeconds(Random.value * m_interVal);
+                var waitTime = Time.time + Random.value * m_interVal;
+                while (waitTime>Time.time)
+                {
+                    if (Request)
+                    {
+                        m_request = false;
+                        break;
+                    }
+                    yield return null;
+                }
 
                 // close
                 var value = 0.0f;

Scripts/Format/VRMVersion.cs

@@ -4,11 +4,11 @@ namespace VRM
     public static class VRMVersion
     {
         public const int MAJOR = 0;
-        public const int MINOR = 1;
+        public const int MINOR = 2;
 
-        public const string VERSION = "0.1";
+        public const string VERSION = "0.2";
 
-        public const string DecrementMenuName = "VRM/Version(0.1) Decrement";
-        public const string IncrementMenuName = "VRM/Version(0.1) Increment";
+        public const string DecrementMenuName = "VRM/Version(0.2) Decrement";
+        public const string IncrementMenuName = "VRM/Version(0.2) Increment";
     }
 }

Scripts/LookAt/LookAtTargetSwitcher.cs

@@ -0,0 +1,78 @@
+using System.Collections.Generic;
+using UnityEngine;
+
+
+namespace VRM
+{
+    public class LookAtTargetSwitcher : MonoBehaviour
+    {
+        [SerializeField]
+        List<Transform> m_targets = new List<Transform>();
+
+        [SerializeField, Range(0, 90.0f)]
+        float m_thresholdDegrees = 60.0f;
+
+        [SerializeField]
+        VRMLookAtHead m_lookAtHead;
+
+        [SerializeField]
+        Blinker m_blinker;
+
+        private void Reset()
+        {
+            m_lookAtHead = GameObject.FindObjectOfType<VRMLookAtHead>();
+            m_blinker = GameObject.FindObjectOfType<Blinker>();
+        }
+
+        float CalcScore(Transform target)
+        {
+            return Vector3.Dot(m_lookAtHead.Head.WorldForward, target.position - m_lookAtHead.Head.Transform.position);
+        }
+
+        Transform ChooseTarget()
+        {
+            Transform target = null;
+            float maxScore = 0;
+            var min = System.Math.Cos(m_thresholdDegrees * Mathf.Deg2Rad);
+            foreach (var x in m_targets)
+            {
+                var score = CalcScore(x);
+                if (score > min && score > maxScore)
+                {
+                    maxScore = score;
+                    target = x;
+                }
+            }
+            return target;
+        }
+
+        Transform m_lastTarget;
+
+        private void Update()
+        {
+            if (m_targets == null || m_targets.Count == 0) return;
+
+            var target = ChooseTarget();
+            if (target != m_lastTarget)
+            {
+                // blink
+                //Debug.Log("request");
+                m_lastTarget = target;
+                m_blinker.Request = true;
+            }
+
+            Vector3 targetPosition;
+            if (target == null)
+            {
+                // forward
+                targetPosition = m_lookAtHead.Head.Transform.position + m_lookAtHead.Head.WorldForward * 20.0f;
+            }
+            else
+            {
+                targetPosition = target.position;
+            }
+            // half move
+            transform.position += (targetPosition - transform.position) * 0.5f;
+        }
+    }
+}

Scripts/LookAt/LookAtTargetSwitcher.cs.meta

@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: bcd30950d78a34d48a749efb962224e6
+timeCreated: 1522156957
+licenseType: Free
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Scripts/LookAt/OffsetOnTransform.cs

@@ -19,6 +19,15 @@ namespace VRM
             }
         }
 
+        public Vector3 WorldForward
+        {
+            get
+            {
+                var m = WorldMatrix;
+                return m.GetColumn(2); // zaxis
+            }
+        }
+
         Matrix4x4 m_initialLocalMatrix;
         public void Setup()
         {