public static void TestConvert()
{
var pivoter = TP(bp => RV2ToXY(V2V2F(PX(BPYRepo.T())(bp), PY(BPYRepo.P())(bp), BPYRepo.X()(bp))));
var bpi = new ParametricInfo(Vector2.left * 30, 4, 0, 3.5f);
VecEq(pivoter(bpi), new V2RV2(3.5f, 0, 0, 4, -30).TrueLocation);
}
