Avoid impossible rotations with Worm Runner

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When the wormRunner starts, it chooses randomly between moving left or right. When it chooses right, it looks way better, because when it chooses left it looks like this:

It seems like in addition to rotating, the segments are also flipping themselves horizontally. That's because it isn't possible to rotate to this new angle without flipping the sprite. I'd like to avoid sprite flipping because it just doesn't look good :U

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i think in this scenario, if the worm chooses to go left, he would rotate so he's crawling on the ceiling

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i think i fixed?