From 161363682d4dc480dd644508088e178c355edbf3 Mon Sep 17 00:00:00 2001
From: Emiliana <38952746+emilianavt@users.noreply.github.com>
Date: Sun, 21 Jun 2020 19:02:32 +0200
Subject: [PATCH] `OpenSeeVRMDriver` now supports linked eye blinking.

---
 Examples/OpenSeeVRMDriver.cs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Examples/OpenSeeVRMDriver.cs b/Examples/OpenSeeVRMDriver.cs
index 660e75c..add3081 100644
--- a/Examples/OpenSeeVRMDriver.cs
+++ b/Examples/OpenSeeVRMDriver.cs
@@ -35,6 +35,8 @@ public class OpenSeeVRMDriver : MonoBehaviour {
     [Tooltip("This is the blink smoothing factor for camera based blink tracking, with 0 being no smoothing and 1 being a fixed blink state.")]
     [Range(0, 1)]
     public float blinkSmoothing = 0.75f;
+    [Tooltip("When enabled, the blink state for both eyes is linked together.")]
+    public bool linkBlinks = true;
     [Tooltip("When enabled, the avatar's eye will move according to the face tracker's gaze tracking.")]
     public bool gazeTracking = true;
     [Tooltip("This is the right eye bone. When either eye bone is not set, the VRM look direction blendshapes are used instead.")]
@@ -855,6 +857,12 @@ public class OpenSeeVRMDriver : MonoBehaviour {
                 right = tmp;
             }
             
+            if (linkBlinks) {
+                float v = Mathf.Max(left, right);
+                left = v;
+                right = v;
+            }
+            
             vrmBlendShapeProxy.AccumulateValue(new BlendShapeKey(BlendShapePreset.Blink_R), right);
             vrmBlendShapeProxy.AccumulateValue(new BlendShapeKey(BlendShapePreset.Blink_L), left);
         }