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Comment on Show HN: Follow London Trains in 3D

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The rendering is a bit weird. It's disorienting to have the trains simultaneously underneath the map and occluding it. It also seems like the z-buffer is not being used correctly when rendering the train cars.

yeah the trains are meant to feel "underground" maybe the effect needs improving

I wonder how much work it would be to actually handle them being underground/overground at appropriate places? e.g. the District Line and/or Picadilly near Hammersmith. Would be cool!

There's also something wrong with the map alignment. I think the tiles are being rendered with the wrong placement - the underlying map doesn't match reality.

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