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I actually don't feel like GFs make any major assumptions besides clockwise vs counter-clockwise being treated the same. And it would take some actual effort to make that assumption false. The firing angle you use is relative to where you are firing from, regardless of how the enemy moves. And that's the output you need from a targeting algorithm, not the exact location of an enemy.
GF assumes symmetric movement, which is safe. Also assumes orbital movement, which is not as safe, but still hard to exploit.
GF combined with statistical targeting, also assumes non-adaptable movement, which is not safe at all. Exploited by all surfers.
How does it assume orbital movement? If you're not staying perpendicular to me, my GF gun is going to crush you even harder.
In practice, yeah, because the whole point of perpendicularity is to maximize your MEA. But, GF guns are actually assuming that the enemy is orbiting when it visits those GFs. For example, SittingDuck and RamFire both stay at GF0, even though they have very different movements. I'm definitely not saying that this assumption would be easy to exploit, especially with segmentation, but it could be, in theory.
I still disagree that GuessFactors introduce that assumption. A GF is a scalar value representing the whole range of firing angles the enemy could reach. Orbital movement maximizes this range and distributes the values most evenly across it.
How about this: What if I used raw bearing offsets instead of GuessFactors? Do they assume orbital movement?
The way I think of it is... besides the clockwise/counterclockwise thing, the other assumption that GuessFactors make is that the movement profile either stretches with BFT (or more directly MEA) or that BFT is rather constant.
Raw bearing offsets are similar except that they don't apply such a stretching, and instead assume that either BFT is rather constant, or... bots are breaking the physics rules... no that doesn't count... they just rigidly assume BFT is rather constant.
The main innovation of GuessFactors over raw bearing offsets is that it generalized what was assumed as to be less rigid, but it still makes some assumptions. Further, things such as segmentation by BFT or MEA tend to mitigate the effect of this specific assumption.
No, because bearing offsets have no relationship to MEA. I think that raw MEA is the source of the orbit assumption in most guns. The raw MEA is assuming that the enemy can reach all those possible future locations by the time the wave hits, which it can't if it isn't orbiting. Precise MEA pretty much solves this.
