Files
OpenSpace/modules/globebrowsing/other/distanceswitch.cpp
2016-08-17 00:30:53 -04:00

100 lines
3.8 KiB
C++

/*****************************************************************************************
* *
* OpenSpace *
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* Copyright (c) 2014-2016 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
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* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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// open space includes
#include <modules/globebrowsing/other/distanceswitch.h>
namespace {
const std::string _loggerCat = "DistanceSwitch";
}
namespace openspace {
DistanceSwitch::DistanceSwitch(){
}
DistanceSwitch::~DistanceSwitch() {
}
bool DistanceSwitch::initialize() {
for (int i = 0; i < _renderables.size(); ++i) {
_renderables[i]->initialize();
}
return true;
}
bool DistanceSwitch::deinitialize() {
for (int i = 0; i < _renderables.size(); ++i) {
_renderables[i]->deinitialize();
}
return true;
}
bool DistanceSwitch::isReady() const {
return true;
}
void DistanceSwitch::render(const RenderData& data) {
if (_maxDistances.size() == 0) {
return;
}
pss pssDistanceToCamera = (data.camera.position() - data.position).length();
double distanceToCamera = pssDistanceToCamera.lengthd();
if (distanceToCamera > _maxDistances.back()) {
return;
}
// linear search through nodes to find which Renderable to render
for (int i = 0; i < _renderables.size(); ++i) {
if (distanceToCamera < _maxDistances[i]) {
_renderables[i]->render(data);
return;
}
}
}
void DistanceSwitch::update(const UpdateData& data) {
for (int i = 0; i < _renderables.size(); ++i) {
_renderables[i]->update(data);
}
}
void DistanceSwitch::addSwitchValue(std::shared_ptr<Renderable> renderable, double maxDistance) {
ghoul_assert(maxDistance > 0, "Renderable must have a positive maxDistance");
if (_maxDistances.size() > 0){
ghoul_assert(maxDistance > _maxDistances.back(),
"Renderables must be inserted in ascending order wrt distance");
}
_renderables.push_back(renderable);
_maxDistances.push_back(maxDistance);
}
} // namespace openspace