void RenderablePlaneProjection::setTarget(std::string body) {
if (body == "")
return;
std::vector<SceneGraphNode*> nodes = OsEng.renderEngine().scene()->allSceneGraphNodes();
Renderable* possibleTarget;
bool hasBody, found = false;
std::string targetBody;
for (auto node : nodes)
{
possibleTarget = node->renderable();
if (possibleTarget != nullptr) {
hasBody = possibleTarget->hasBody();
if (hasBody && possibleTarget->getBody(targetBody) && (targetBody == body)) {
_target.node = node->name(); // get name from propertyOwner
found = true;
break;
}
}
}
if (found) {
_target.body = body;
_target.frame = openspace::SpiceManager::ref().frameFromBody(body);
}
}
std::string RenderablePlaneProjection::findClosestTarget(double currentTime) {
std::vector<std::string> targets;
std::vector<SceneGraphNode*> nodes = OsEng.renderEngine().scene()->allSceneGraphNodes();
Renderable* possibleTarget;
std::string targetBody;
bool hasBody, found = false;
PowerScaledScalar min = PowerScaledScalar::CreatePSS(REALLY_FAR);
PowerScaledScalar distance = PowerScaledScalar::CreatePSS(0.0);
std::string closestTarget = "";
double lt;
glm::dvec3 p =
SpiceManager::ref().targetPosition(_spacecraft, "SSB", GalacticFrame, {}, currentTime, lt);
psc spacecraftPos = PowerScaledCoordinate::CreatePowerScaledCoordinate(p.x, p.y, p.z);
for (auto node : nodes)
{
possibleTarget = node->renderable();
if (possibleTarget != nullptr) {
hasBody = possibleTarget->hasBody();
if (hasBody && possibleTarget->getBody(targetBody)) {
found = SpiceManager::ref().isTargetInFieldOfView(targetBody, _spacecraft, _instrument, SpiceManager::FieldOfViewMethod::Ellipsoid, {}, currentTime);
if (found){
targets.push_back(node->name()); // get name from propertyOwner
distance = (node->worldPosition() - spacecraftPos).length();
if (distance < min)
closestTarget = targetBody;
}
}
}
}
return closestTarget;
}