本文整理汇总了C++中Selection::getPosition方法的典型用法代码示例。如果您正苦于以下问题：C++ Selection::getPosition方法的具体用法？C++ Selection::getPosition怎么用？C++ Selection::getPosition使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Selection的用法示例。
在下文中一共展示了Selection::getPosition方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: deform
void TerrainImpl::deform(const Selection& selection, float intensity)
{
for(Selection::const_iterator iter = selection.begin() ; iter != selection.end() ; iter ++)
{
if(size_t(iter->first.getX() + selection.getPosition().getX()) >= mInfo->getWidth()
|| size_t(iter->first.getY() + selection.getPosition().getY()) >= mInfo->getHeight())
continue;
float& height = mInfo->at(size_t(iter->first.getX() + selection.getPosition().getX())
, size_t(iter->first.getY() + selection.getPosition().getY()));
height += intensity * iter->second;
}
updateTiles(selection.getMin().getX(), selection.getMin().getY(), selection.getMax().getX(), selection.getMax().getY());
}示例2: avgFlatten
void TerrainImpl::avgFlatten(const Selection& selection, float intensity)
{
// add by 王宏张 2007-7-25
// 计算平均高度
float avgHeiht = 0.0f;
for(Selection::const_iterator iter = selection.begin() ; iter != selection.end() ; ++iter)
{
if(size_t(iter->first.getX() + selection.getPosition().getX()) >= mInfo->getWidth()
|| size_t(iter->first.getY() + selection.getPosition().getY()) >= mInfo->getHeight())
continue;
float height = mInfo->at(size_t(iter->first.getX() + selection.getPosition().getX())
, size_t(iter->first.getY() + selection.getPosition().getY()));
avgHeiht += height;
}
avgHeiht /= selection.size();
for(Selection::const_iterator iter = selection.begin() ; iter != selection.end() ; ++iter)
{
if(size_t(iter->first.getX() + selection.getPosition().getX()) >= mInfo->getWidth()
|| size_t(iter->first.getY() + selection.getPosition().getY()) >= mInfo->getHeight())
continue;
float& height = mInfo->at(size_t(iter->first.getX() + selection.getPosition().getX())
, size_t(iter->first.getY() + selection.getPosition().getY()));
height = avgHeiht; // avgFlatten算法
}
updateTiles(selection.getMin().getX(), selection.getMin().getY(), selection.getMax().getX(), selection.getMax().getY());
}示例3: if
SelectionPopup::SelectionPopup(const Selection& sel,
CelestiaCore* _appCore,
QWidget* parent) :
QMenu(parent),
selection(sel),
appCore(_appCore),
centerAction(NULL),
gotoAction(NULL)
{
Simulation* sim = appCore->getSimulation();
Vec3d v = sel.getPosition(sim->getTime()) - sim->getObserver().getPosition();
if (sel.body() != NULL)
{
addAction(boldTextItem(QString::fromUtf8(sel.body()->getName(true).c_str())));
// Start and end dates
double startTime = 0.0;
double endTime = 0.0;
sel.body()->getLifespan(startTime, endTime);
if (startTime > -1.0e9 || endTime < 1.0e9)
{
addSeparator();
if (startTime > -1.0e9)
{
ostringstream startDateStr;
startDateStr << "Start: " << astro::TDBtoUTC(startTime);
QAction* startDateAct = new QAction(startDateStr.str().c_str(), this);
connect(startDateAct, SIGNAL(triggered()),
this, SLOT(slotGotoStartDate()));
addAction(startDateAct);
}
if (endTime < 1.0e9)
{
ostringstream endDateStr;
endDateStr << "End: " << astro::TDBtoUTC(endTime);
QAction* endDateAct = new QAction(endDateStr.str().c_str(), this);
connect(endDateAct, SIGNAL(triggered()),
this, SLOT(slotGotoEndDate()));
addAction(endDateAct);
}
}
}
else if (sel.star() != NULL)
{
std::string name = sim->getUniverse()->getStarCatalog()->getStarName(*sel.star());
addAction(boldTextItem(QString::fromUtf8(ReplaceGreekLetterAbbr(name).c_str())));
// Add some text items giving additional information about
// the star.
double distance = v.length() * 1e-6;
char buff[50];
setlocale(LC_NUMERIC, "");
if (abs(distance) >= astro::AUtoLightYears(1000.0f))
sprintf(buff, "%.3f %s", distance, ("ly"));
else if (abs(distance) >= astro::kilometersToLightYears(10000000.0))
sprintf(buff, "%.3f %s", astro::lightYearsToAU(distance), ("au"));
else if (abs(distance) > astro::kilometersToLightYears(1.0f))
sprintf(buff, "%.3f km", astro::lightYearsToKilometers(distance));
else
sprintf(buff, "%.3f m", astro::lightYearsToKilometers(distance) * 1000.0f);
addAction(italicTextItem(tr("Distance: ") + QString::fromUtf8(buff)));
sprintf(buff, "%.2f (%.2f)",
sel.star()->getAbsoluteMagnitude(),
astro::absToAppMag(sel.star()->getAbsoluteMagnitude(),
(float) distance));
addAction(italicTextItem(tr("Abs (app) mag: ") + QString::fromUtf8(buff)));
sprintf(buff, "%s", sel.star()->getSpectralType());
addAction(italicTextItem(tr("Class: ") + QString::fromUtf8(buff)));
setlocale(LC_NUMERIC, "C");
}
else if (sel.deepsky() != NULL)
{
addAction(boldTextItem(QString::fromUtf8(sim->getUniverse()->getDSOCatalog()->getDSOName(sel.deepsky()).c_str())));
}
addSeparator();
QAction* selectAction = new QAction(tr("&Select"), this);
connect(selectAction, SIGNAL(triggered()), this, SLOT(slotSelect()));
addAction(selectAction);
centerAction = new QAction(tr("&Center"), this);
connect(centerAction, SIGNAL(triggered()), this, SLOT(slotCenterSelection()));
addAction(centerAction);
gotoAction = new QAction(tr("&Goto"), this);
connect(gotoAction, SIGNAL(triggered()), this, SLOT(slotGotoSelection()));
addAction(gotoAction);
//.........这里部分代码省略.........