a = updateTurnControlPointTurn(u.end, u.endPoint, sp, endNext.getPosition());
}
if (a < MIN_TURN_ANGLE && u.end.isDeletable())
a = updateTurnControlPointTurn(u.end, u.endPoint, sp, endNext.getPosition());
}
if (a < MIN_TURN_ANGLE && u.end.isDeletable())