Spikes render in the wrong configuration.

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Visible from NGHZ1, spikes seem to be facing the right, rather than the left.

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This was confirmed to be a rendering error, rather than a core problem. The particular configuration referenced previously is fixed, as well as its opposite configuration.

With that said, however, there are likely other rendering issues to look into.

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Something I should mention is that horizontal hit-detection doesn't seem to be working for spikes.

As a side note, issue #19 showed a similar problem to the graphical issues here, and has been resolved.