def isAntiCapability(capability):
    if isChannelCapability(capability):
        (_, capability) = fromChannelCapability(capability)
    return isCapability(capability) and capability[0] == '-'
Rearranges vectors around the center
dataset/ETHPy150Open ProgVal/Limnoria/src/ircdb.py/isAntiCapability--crossover with--dataset/ETHPy150Open estevaofon/angry-birds-python/pymunk-4.0.0/pymunk/util.py/poly_vectors_around_center