[Assimp] Fix ToStrideQuaternion

stride3d · Aug 7, 2023 · 1cb106c · 1cb106c
1 parent 77a15f8
commit 1cb106c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/sources/tools/Stride.Importer.Assimp/Utils.cs b/sources/tools/Stride.Importer.Assimp/Utils.cs
@@ -29,8 +29,9 @@ public static Core.Mathematics.Vector3 ToStrideVector3(this System.Numerics.Vect
         public static Color ToStrideColor(this System.Numerics.Vector4 v)
             => new Color(v.X, v.Y, v.Z, v.W);
 
+        //Assimp uses Quaternion WXYZ ordering convention
         public static Core.Mathematics.Quaternion ToStrideQuaternion(this AssimpQuaternion q)
-            => new Core.Mathematics.Quaternion(q.X, q.Y, q.Z, q.W); 
+            => new Core.Mathematics.Quaternion(q.W, q.X, q.Y, q.Z); 
 
         public static unsafe uint GetNumUVChannels(Silk.NET.Assimp.Mesh* mesh)
         {