From 5145dd09cab55a896d510482f2e22f74b4d4b76f Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Sat, 5 Jun 2021 19:51:03 +0800
Subject: *misc
---
.../Assets/Utilities/MathUtils/QuaternionHelper.cs | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
create mode 100644 UnityCollection/Assets/Utilities/MathUtils/QuaternionHelper.cs
(limited to 'UnityCollection/Assets/Utilities/MathUtils/QuaternionHelper.cs')
diff --git a/UnityCollection/Assets/Utilities/MathUtils/QuaternionHelper.cs b/UnityCollection/Assets/Utilities/MathUtils/QuaternionHelper.cs
new file mode 100644
index 0000000..2358613
--- /dev/null
+++ b/UnityCollection/Assets/Utilities/MathUtils/QuaternionHelper.cs
@@ -0,0 +1,19 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public static class QuaternionHelper
+{
+ static QuaternionHelper()
+ {
+ }
+
+ // 限制旋转的自由度，只有Axis方向的自由度，即提取旋转中绕axis的部分
+ public static Quaternion Limit1DOF(Quaternion rotation, Vector3 axis)
+ {
+ // Quaternion.FromToRotation得到的是最短路径，不包含绕axis的旋转
+ Quaternion res = Quaternion.FromToRotation(rotation * axis, axis) * rotation;
+ return res;
+ }
+
+}
\ No newline at end of file
--
cgit v1.1-26-g67d0