_PointForValue
float snapPoint = _PointForValue(fSnapValue);
float _PointForValue(int32 value) const;
float snapPoint = _PointForValue(0);
fMinSnap = _PointForValue(-4);
fMaxSnap = _PointForValue(1);
fMinSnap = _PointForValue(-1);
fMaxSnap = _PointForValue(4);
float _PointForValue(int32 value) const;