fixed cuboid rotation

Assets/Resources/Prefabs/Facts/Cuboid.prefab

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Assets/Scripts/InteractionEngine/FactHandling/Facts/CuboidFact.cs

@@ -52,16 +52,21 @@ protected void calculate_vectors(){
         float sidelengthTB = Vector3.Distance(T, B);
         float sidelengthBC = Vector3.Distance(B, C);
 
-        LocalScale = new Vector3(sidelengthBA+0.1F, sidelengthTB+0.1F, sidelengthBC+0.1F);
+        LocalScale = new Vector3(sidelengthBC + 0.1F, sidelengthBA + 0.1F, sidelengthTB + 0.1F);
 
         Volume = sidelengthBA * sidelengthBC * sidelengthTB; 
 
         Position = B + 0.5F * ((A - B) + (T - B) + (C - B));
 
-        Vector3 cross = Vector3.Cross((T - B), (A - B));
-        Rotation = Quaternion.LookRotation(cross.normalized, (T - B).normalized);
+        Vector3 cross = Vector3.Cross((A - B), (C - B));
+        Vector3 cross2 = Vector3.Cross((T - B), (C - B));
 
-        Rotation = Quaternion.identity;
+        Vector3 right = Vector3.Cross(cross, cross2).normalized;
+
+        Vector3 up = Vector3.Cross(right, cross).normalized;
+
+        Rotation = Quaternion.LookRotation(cross, up);
+   
     }
 
     public CuboidFact() : base(){