更新obi到7.1

Assets/ThirdParty/Obi/Scripts/Common/Actors/IObiParticleCollection.cs

@@ -11,8 +11,13 @@ namespace Obi
         bool usesOrientedParticles { get; }
 
         int GetParticleRuntimeIndex(int index); // returns solver or blueprint index, depending on implementation.
+
         Vector3 GetParticlePosition(int index);
         Quaternion GetParticleOrientation(int index);
+
+        Vector3 GetParticleRestPosition(int index);
+        Quaternion GetParticleRestOrientation(int index);
+
         void GetParticleAnisotropy(int index, ref Vector4 b1, ref Vector4 b2, ref Vector4 b3);
         float GetParticleMaxRadius(int index);
         Color GetParticleColor(int index);