protected double Increase(SeatNames seatName, double step)
{
if (this.coefficientByPositions[seatName] < 1.0)
{
// reset
this.coefficientByPositions[seatName] = 1.0;
}
this.coefficientByPositions[seatName] += step;
return(this.coefficientByPositions[seatName]);
}
protected double Decrease(SeatNames seatName, double step)
{
if (this.coefficientByPositions[seatName] > 1.0)
{
// reset
this.coefficientByPositions[seatName] = 1.0;
}
this.coefficientByPositions[seatName] -= step;
if (this.coefficientByPositions[seatName] < 0)
{
this.coefficientByPositions[seatName] = 0;
}
return(this.coefficientByPositions[seatName]);
}