public void Convert(ModelDocument model, CIwResGroup group)
        {
            this.group = group;
            this.modelMesh = new CIwModel();
            modelMesh.Name = model.Name;

            group.AddRes(new CIwTexture() { FilePath = "../textures/checkers.png" });
            group.AddRes(modelMesh);

            var mesh = new CMesh();
            mesh.Scale = 1.0f / scale;
            modelMesh.ModelBlocks.Add(mesh);
            writer = new ModelWriter(modelMesh);

            WriteSkeleton(model);
            WriteMaterials(model);
            //WriteMesh(model.Meshes[1]);
            foreach (var m in model.Meshes)
            {
                WriteMesh(m);
                //break;
            }
            WriteAnimations(model,modelMesh);
        }
 private void WriteAnimations(ModelDocument model, CIwModel modelMesh)
 {
     if (model.Animations == null || model.Animations.Count == 0)
         return;
     modelMesh.Skin.Animations = new List<CIwAnim>();
     foreach (var a in model.Animations)
     {
         var anim = new CIwAnim() { Name = a.Name, skeleton=modelMesh.Skin.skeleton };
         if (a.Frames != null)
         foreach (var f in a.Frames)
         {
             var frame = new CIwAnimKeyFrame();
             frame.time = f.Time;
             foreach (var b in f.Bones)
             {
                 var bone = new CIwAnimKeyFrameBone();
                 bone.bone = b.Bone.Name;
                 bone.pos = GetVec3(b.Position);
                 bone.rot = GetQuat(b.Rotation);
                 frame.bones.Add(bone);
             }
             anim.KeyFrames.Add(frame);
         }
         modelMesh.Skin.Animations.Add(anim);
     }
 }