From c7f1bbd9920365950ccf6a7afbbbb3a0e5369854 Mon Sep 17 00:00:00 2001
From: ousttrue <ousttrue@gmail.com>
Date: Tue, 17 Sep 2024 14:32:44 +0900
Subject: [PATCH] fix Flip bug !

---
 .../FastSpringBoneBufferCombiner.cs           | 19 +++++--------------
 .../SpringBoneJobs/FastSpringBoneScheduler.cs |  8 ++++----
 2 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/Assets/UniGLTF/Runtime/SpringBoneJobs/FastSpringBoneBufferCombiner.cs b/Assets/UniGLTF/Runtime/SpringBoneJobs/FastSpringBoneBufferCombiner.cs
index f3147ea78..3ca90fcd0 100644
--- a/Assets/UniGLTF/Runtime/SpringBoneJobs/FastSpringBoneBufferCombiner.cs
+++ b/Assets/UniGLTF/Runtime/SpringBoneJobs/FastSpringBoneBufferCombiner.cs
@@ -55,22 +55,13 @@ namespace UniGLTF.SpringBoneJobs
 
         public bool HasBuffer => _batchedBuffers != null && _batchedBuffers.Length > 0;
 
-        int flipPhase = 0;
-        public (NativeArray<Vector3> current, NativeArray<Vector3> prev, NativeArray<Vector3> next) FlipBuffer()
+        public void FlipBuffer()
         {
-            switch (flipPhase++ % 3)
-            {
-                case 0: return (_currentTails, _prevTails, _nextTails);
-                case 1: return (_nextTails, _currentTails, _prevTails);
-                case 2: return (_prevTails, _nextTails, _currentTails);
-                default:
-                    throw new Exception();
-            }
             // dispose が狂う？？
-            // var tmp = _prevTails;
-            // _currentTails = _nextTails;
-            // _prevTails = _currentTails;
-            // _nextTails = tmp;
+            var tmp = _prevTails;
+            _prevTails = _currentTails;
+            _currentTails = _nextTails;
+            _nextTails = tmp;
         }
 
         public void Register(FastSpringBoneBuffer buffer)
diff --git a/Assets/UniGLTF/Runtime/SpringBoneJobs/FastSpringBoneScheduler.cs b/Assets/UniGLTF/Runtime/SpringBoneJobs/FastSpringBoneScheduler.cs
index 7e258400f..b35e7ec99 100644
--- a/Assets/UniGLTF/Runtime/SpringBoneJobs/FastSpringBoneScheduler.cs
+++ b/Assets/UniGLTF/Runtime/SpringBoneJobs/FastSpringBoneScheduler.cs
@@ -31,15 +31,15 @@ namespace UniGLTF.SpringBoneJobs
                 Transforms = _bufferCombiner.Transforms
             }.Schedule(_bufferCombiner.TransformAccessArray, handle);
 
-            var (current, prev, next) = _bufferCombiner.FlipBuffer();
+            _bufferCombiner.FlipBuffer();
 
             handle = new UpdateFastSpringBoneJob
             {
                 Joints = _bufferCombiner.Joints,
                 Logics = _bufferCombiner.Logics,
-                CurrentTail = current,
-                PrevTail = prev,
-                NextTail = next,
+                CurrentTail = _bufferCombiner.CurrentTails,
+                PrevTail = _bufferCombiner.PrevTails,
+                NextTail = _bufferCombiner.NextTails,
                 Springs = _bufferCombiner.Springs,
                 Colliders = _bufferCombiner.Colliders,
                 Transforms = _bufferCombiner.Transforms,