1 files changed, 41 insertions, 0 deletions

diff --git a/VRCSDK3AvatarsQuest/Assets/Resources/GestureManager/Scripts/Extra/TransformData.cs b/VRCSDK3AvatarsQuest/Assets/Resources/GestureManager/Scripts/Extra/TransformData.cs
new file mode 100644
index 00000000..58d59bb8
--- /dev/null
+++ b/VRCSDK3AvatarsQuest/Assets/Resources/GestureManager/Scripts/Extra/TransformData.cs
@@ -0,0 +1,41 @@
+using UnityEngine;
+
+namespace GestureManager.Scripts.Extra
+{
+    public class TransformData
+    {
+        private readonly Vector3 _position;
+        private readonly Quaternion _rotation;
+        private readonly Vector3 _localScale;
+
+        private TransformData(Vector3 p, Quaternion r, Vector3 s)
+        {
+            _position = p;
+            _rotation = r;
+            _localScale = s;
+        }
+
+        public TransformData(Transform t) : this(t.position, t.rotation, t.localScale)
+        {
+        }
+
+        public void AddTo(Transform t)
+        {
+            t.position += _position;
+            t.rotation = _rotation * t.rotation;
+            t.localScale += _localScale;
+        }
+
+        public TransformData Difference(Transform t) => new TransformData(t.position - _position, t.rotation * Quaternion.Inverse(_rotation), t.localScale - _localScale);
+    }
+
+    public static class Extensions
+    {
+        public static void ApplyTo(this Transform s, Transform t)
+        {
+            t.position = s.position;
+            t.rotation = s.rotation;
+            t.localScale = s.lossyScale;
+        }
+    }
+}
\ No newline at end of file