C# FBX模型在XNA 4.0中未正确显示

我有一个问题，XNA 4.0没有正确显示3D FBX模型

一个朋友创建了一个模型，当我在FBX查看器中打开它时，它会正确地显示出来

但当我将其加载到XNA并单击run时，它显示为

如果您能帮助解决此问题，我们将不胜感激

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谢谢。

每个网格都有一个骨骼。。。你应该用它来定位网格在正确的位置。。。此代码来自Microsoft

private void DrawModel(Model m)
{
    Matrix[] transforms = new Matrix[m.Bones.Count];
    float aspectRatio = graphics.GraphicsDevice.Viewport.AspectRatio;
    m.CopyAbsoluteBoneTransformsTo(transforms);
    Matrix projection =
        Matrix.CreatePerspectiveFieldOfView(MathHelper.ToRadians(45.0f),
        aspectRatio, 1.0f, 10000.0f);
    Matrix view = Matrix.CreateLookAt(new Vector3(0.0f, 50.0f, Zoom),
        Vector3.Zero, Vector3.Up);

    foreach (ModelMesh mesh in m.Meshes)
    {
        foreach (BasicEffect effect in mesh.Effects)
        {
            effect.EnableDefaultLighting();

            effect.View = view;
            effect.Projection = projection;
            effect.World = gameWorldRotation *
                transforms[mesh.ParentBone.Index] *
                Matrix.CreateTranslation(Position);
        }
        mesh.Draw();
    }
}

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您可以在

上找到它，这更适合在gamedevelopment.stackexchange.com上找到

private void DrawModel(Model m)
{
    Matrix[] transforms = new Matrix[m.Bones.Count];
    float aspectRatio = graphics.GraphicsDevice.Viewport.AspectRatio;
    m.CopyAbsoluteBoneTransformsTo(transforms);
    Matrix projection =
        Matrix.CreatePerspectiveFieldOfView(MathHelper.ToRadians(45.0f),
        aspectRatio, 1.0f, 10000.0f);
    Matrix view = Matrix.CreateLookAt(new Vector3(0.0f, 50.0f, Zoom),
        Vector3.Zero, Vector3.Up);

    foreach (ModelMesh mesh in m.Meshes)
    {
        foreach (BasicEffect effect in mesh.Effects)
        {
            effect.EnableDefaultLighting();

            effect.View = view;
            effect.Projection = projection;
            effect.World = gameWorldRotation *
                transforms[mesh.ParentBone.Index] *
                Matrix.CreateTranslation(Position);
        }
        mesh.Draw();
    }
}