public bool ChangePower(int value)
{
int count = 0;
if (_power + value > _maxPower)
{
count = _maxPower - _power;
_power = _maxPower;
}
else if (_power + value >= 0)
{
count = value;
_power += value;
}
if (count > 0)
{
PowerBarRef.AddPower(count);
}
else
{
PowerBarRef.RemovePower(-count);
}
return(count != 0);
}