From 9dddb6517bdcce28c8a13cc6002a463b4d4589cb Mon Sep 17 00:00:00 2001
From: ousttrue <ousttrue@gmail.com>
Date: Fri, 18 Jul 2025 17:32:21 +0900
Subject: [PATCH] cos_theta

---
 .../Runtime/SpringBoneJobs/Anglelimit/AnglelimitSpherical.cs   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Assets/UniGLTF/Runtime/SpringBoneJobs/Anglelimit/AnglelimitSpherical.cs b/Assets/UniGLTF/Runtime/SpringBoneJobs/Anglelimit/AnglelimitSpherical.cs
index e6d07be63..b15ce10fa 100644
--- a/Assets/UniGLTF/Runtime/SpringBoneJobs/Anglelimit/AnglelimitSpherical.cs
+++ b/Assets/UniGLTF/Runtime/SpringBoneJobs/Anglelimit/AnglelimitSpherical.cs
@@ -30,7 +30,8 @@ namespace UniGLTF.SpringBoneJobs
             }
 
             // tailDirをphi・thetaを用いて再計算する
-            return new float3(math.sin(theta), math.cos(theta) * math.cos(phi), math.cos(theta) * math.sin(phi));
+            var cos_theta = math.cos(theta);
+            return new float3(math.sin(theta), cos_theta * math.cos(phi), cos_theta * math.sin(phi));
         }
     }
 }
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