X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FSystems%2Fvacuum.cxx;h=9bf84e284d48fb5a4f992cb8122fb61426c1162c;hb=7c8ad455a327276e09687b380fb4147ae90b6c8c;hp=a776d9a493d246a36561c57356a784fb1775fdc5;hpb=a61f34667fdb43198f707e719f56f5bbaf2fb7b5;p=flightgear.git diff --git a/src/Systems/vacuum.cxx b/src/Systems/vacuum.cxx index a776d9a49..9bf84e284 100644 --- a/src/Systems/vacuum.cxx +++ b/src/Systems/vacuum.cxx @@ -35,7 +35,7 @@ void VacuumSystem::init() { unsigned int i; - string branch; + std::string branch; branch = "/systems/" + _name; SGPropertyNode *node = fgGetNode(branch.c_str(), _num, true ); @@ -46,6 +46,14 @@ VacuumSystem::init() } _pressure_node = fgGetNode("/environment/pressure-inhg", true); _suction_node = node->getChild("suction-inhg", 0, true); + + reinit(); +} + +void +VacuumSystem::reinit() +{ + _suction_node->setDoubleValue(0.0); } void @@ -69,14 +77,14 @@ VacuumSystem::update (double dt) if (!_serviceable_node->getBoolValue()) { suction = 0.0; } else { - // select the source with the max rpm + // select the source with the max rpm double rpm = 0.0; - for ( i = 0; i < _rpm_nodes.size(); i++ ) { - double tmp = _rpm_nodes[i]->getDoubleValue() * _scale; - if ( tmp > rpm ) { - rpm = tmp; - } - } + for ( i = 0; i < _rpm_nodes.size(); i++ ) { + double tmp = _rpm_nodes[i]->getDoubleValue() * _scale; + if ( tmp > rpm ) { + rpm = tmp; + } + } double pressure = _pressure_node->getDoubleValue(); // This magic formula yields about 4 inhg at 700 rpm suction = pressure * rpm / (rpm + 4875.0);