void NebulaMgr::drawPointer(const StelCore* core, StelPainter& sPainter)
{
const StelProjectorP prj = core->getProjection(StelCore::FrameJ2000);
const QList<StelObjectP> newSelected = GETSTELMODULE(StelObjectMgr)->getSelectedObject("Nebula");
if (!newSelected.empty())
{
const StelObjectP obj = newSelected[0];
Vec3d pos=obj->getJ2000EquatorialPos(core);
// Compute 2D pos and return if outside screen
if (!prj->projectInPlace(pos)) return;
if (StelApp::getInstance().getVisionModeNight())
sPainter.setColor(0.8f,0.0f,0.0f);
else
sPainter.setColor(0.4f,0.5f,0.8f);
texPointer->bind();
sPainter.enableTexture2d(true);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); // Normal transparency mode
// Size on screen
float size = obj->getAngularSize(core)*M_PI/180.*prj->getPixelPerRadAtCenter();
size+=20.f + 10.f*std::sin(2.f * StelApp::getInstance().getTotalRunTime());
sPainter.drawSprite2dMode(pos[0]-size/2, pos[1]-size/2, 10, 90);
sPainter.drawSprite2dMode(pos[0]-size/2, pos[1]+size/2, 10, 0);
sPainter.drawSprite2dMode(pos[0]+size/2, pos[1]+size/2, 10, -90);
sPainter.drawSprite2dMode(pos[0]+size/2, pos[1]-size/2, 10, -180);
}
}
// Draw all the Nebulae
void NebulaMgr::draw(StelCore* core)
{
const StelProjectorP prj = core->getProjection(StelCore::FrameJ2000);
StelPainter sPainter(prj);
StelSkyDrawer* skyDrawer = core->getSkyDrawer();
Nebula::hintsBrightness = hintsFader.getInterstate()*flagShow.getInterstate();
sPainter.enableTexture2d(true);
glEnable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE);
// Use a 1 degree margin
const double margin = 1.*M_PI/180.*prj->getPixelPerRadAtCenter();
const SphericalRegionP& p = prj->getViewportConvexPolygon(margin, margin);
// Print all the nebulae of all the selected zones
float maxMagHints = skyDrawer->getLimitMagnitude()*1.2f-2.f+(hintsAmount*1.2f)-2.f;
float maxMagLabels = skyDrawer->getLimitMagnitude()-2.f+(labelsAmount*1.2f)-2.f;
sPainter.setFont(nebulaFont);
DrawNebulaFuncObject func(maxMagHints, maxMagLabels, &sPainter, core, hintsFader.getInterstate()>0.0001);
nebGrid.processIntersectingRegions(p, func);
if (GETSTELMODULE(StelObjectMgr)->getFlagSelectedObjectPointer())
drawPointer(core, sPainter);
}
void Quasar::draw(StelCore* core, StelRenderer* renderer, StelProjectorP projector, StelTextureNew* markerTexture)
{
StelSkyDrawer* sd = core->getSkyDrawer();
const Vec3f color = sd->indexToColor(BvToColorIndex(bV))*0.75f;
Vec3f dcolor = Vec3f(1.2f,0.5f,0.4f);
if (StelApp::getInstance().getVisionModeNight())
dcolor = StelUtils::getNightColor(dcolor);
float rcMag[2], size, shift;
double mag;
StelUtils::spheToRect(qRA, qDE, XYZ);
mag = getVMagnitude(core, true);
if (GETSTELMODULE(Quasars)->getDisplayMode())
{
renderer->setBlendMode(BlendMode_Add);
renderer->setGlobalColor(dcolor[0], dcolor[1], dcolor[2], 1);
markerTexture->bind();
if (labelsFader.getInterstate()<=0.f)
{
Vec3d win;
if(projector->project(XYZ, win))
{
renderer->drawTexturedRect(win[0] - 4, win[1] - 4, 8, 8);
}
}
}
else
{
sd->preDrawPointSource();
if (mag <= sd->getLimitMagnitude())
{
sd->computeRCMag(mag, rcMag);
const Vec3f XYZf(XYZ[0], XYZ[1], XYZ[2]);
Vec3f win;
if(sd->pointSourceVisible(&(*projector), XYZf, rcMag, false, win))
{
sd->drawPointSource(win, rcMag, sd->indexToColor(BvToColorIndex(bV)));
}
renderer->setGlobalColor(color[0], color[1], color[2], 1.0f);
size = getAngularSize(NULL)*M_PI/180.*projector->getPixelPerRadAtCenter();
shift = 6.f + size/1.8f;
if (labelsFader.getInterstate()<=0.f)
{
renderer->drawText(TextParams(XYZ, projector, designation).shift(shift, shift).useGravity());
}
}
sd->postDrawPointSource(projector);
}
}
void TelescopeControl::draw(StelCore* core)
{
const StelProjectorP prj = core->getProjection(StelCore::FrameJ2000);
StelPainter sPainter(prj);
sPainter.setFont(labelFont);
reticleTexture->bind();
foreach (const TelescopeClientP& telescope, telescopeClients)
{
if (telescope->isConnected() && telescope->hasKnownPosition())
{
Vec3d XY;
if (prj->projectCheck(telescope->getJ2000EquatorialPos(core), XY))
{
//Telescope circles appear synchronously with markers
if (circleFader.getInterstate() >= 0)
{
sPainter.setColor(circleColor[0], circleColor[1], circleColor[2], circleFader.getInterstate());
glDisable(GL_TEXTURE_2D);
foreach (double circle, telescope->getOculars())
{
sPainter.drawCircle(XY[0], XY[1], 0.5 * prj->getPixelPerRadAtCenter() * (M_PI/180) * (circle));
}
glEnable(GL_TEXTURE_2D);
}
if (reticleFader.getInterstate() >= 0)
{
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
sPainter.setColor(reticleColor[0], reticleColor[1], reticleColor[2], reticleFader.getInterstate());
sPainter.drawSprite2dMode(XY[0],XY[1],15.f);
glDisable(GL_TEXTURE_2D);
}
if (labelFader.getInterstate() >= 0)
{
sPainter.setColor(labelColor[0], labelColor[1], labelColor[2], labelFader.getInterstate());
//TODO: Different position of the label if circles are shown?
//TODO: Remove magic number (text spacing)
sPainter.drawText(XY[0], XY[1], telescope->getNameI18n(), 0, 6 + 10, -4, false);
//Same position as the other objects: doesn't work, telescope label overlaps object label
//sPainter.drawText(XY[0], XY[1], scope->getNameI18n(), 0, 10, 10, false);
reticleTexture->bind();
}
}
}
bool SkyLabel::draw(StelCore* core, StelRenderer* renderer, StelProjectorP projector)
{
if(labelFader.getInterstate() <= 0.0)
return false;
Vec3d objectPos = labelObject->getJ2000EquatorialPos(core);
Vec3d labelXY;
projector->project(objectPos, labelXY);
renderer->setFont(labelFont);
double xOffset(0.);
double yOffset(0.);
char hJustify = 'c';
char vJustify = 'c';
if (labelSide.toUpper().contains("N"))
{
yOffset = 1.0;
vJustify = 'b'; // bottom justify text
}
else if (labelSide.toUpper().contains("S"))
{
yOffset = -1.0;
vJustify = 't'; // top justufy text
}
if (labelSide.toUpper().contains("E"))
{
xOffset = 1.0;
hJustify = 'l'; // right justify text
}
else if (labelSide.toUpper().contains("W"))
{
xOffset = -1.0;
hJustify = 'r'; // left justify text
}
if (labelDistance >= 0.0)
{
xOffset *= labelDistance;
yOffset *= labelDistance;
}
else
{
float shift = 4.0f + labelObject->getAngularSize(core) * M_PI / 180.0f *
projector->getPixelPerRadAtCenter() / 1.8f;
// use the object size
xOffset *= shift;
yOffset *= shift;
}
QFontMetrics fontMetrics(labelFont);
const float jxOffset = hJustify == 'r' ? fontMetrics.width(labelText) :
hJustify == 'c' ? fontMetrics.width(labelText) * 0.5 :
0.0;
const float jyOffset = vJustify == 't' ? fontMetrics.height() :
vJustify == 'c' ? fontMetrics.height() * 0.5 :
0.0;
renderer->setGlobalColor(labelColor[0], labelColor[1],
labelColor[2], labelFader.getInterstate());
renderer->drawText(TextParams(labelXY[0] + xOffset - jxOffset,
labelXY[1] + yOffset - jyOffset,
labelText).useGravity());
if (labelStyle == SkyLabel::Line)
{
renderer->setBlendMode(BlendMode_Alpha);
// screen coordinates of object
Vec3d objXY;
projector->project(objectPos, objXY);
double lineEndX = labelXY[0]+xOffset;
double lineEndY = labelXY[1]+yOffset;
if (vJustify == 'b')
lineEndY -= 5;
else if (vJustify == 't')
lineEndY += 5;
if (hJustify == 'l')
lineEndX -= 5;
else if (hJustify == 'r')
lineEndX += 5;
renderer->setGlobalColor(labelColor[0], labelColor[1], labelColor[2],
labelFader.getInterstate());
renderer->drawLine(lineEndX,lineEndY,objXY[0], objXY[1]);
}
return true;
}
//! Draw the sky grid in the current frame
void SkyGrid::draw(const StelCore* core) const
{
const StelProjectorP prj = core->getProjection(frameType, frameType!=StelCore::FrameAltAz ? StelCore::RefractionAuto : StelCore::RefractionOff);
if (!fader.getInterstate())
return;
bool withDecimalDegree = dynamic_cast<StelGui*>(StelApp::getInstance().getGui())->getFlagShowDecimalDegrees();
// Look for all meridians and parallels intersecting with the disk bounding the viewport
// Check whether the pole are in the viewport
bool northPoleInViewport = false;
bool southPoleInViewport = false;
Vec3f win;
if (prj->project(Vec3f(0,0,1), win) && prj->checkInViewport(win))
northPoleInViewport = true;
if (prj->project(Vec3f(0,0,-1), win) && prj->checkInViewport(win))
southPoleInViewport = true;
// Get the longitude and latitude resolution at the center of the viewport
Vec3d centerV;
prj->unProject(prj->getViewportPosX()+prj->getViewportWidth()/2, prj->getViewportPosY()+prj->getViewportHeight()/2+1, centerV);
double lon2, lat2;
StelUtils::rectToSphe(&lon2, &lat2, centerV);
const double gridStepParallelRad = M_PI/180.*getClosestResolutionDMS(prj->getPixelPerRadAtCenter());
double gridStepMeridianRad;
if (northPoleInViewport || southPoleInViewport)
gridStepMeridianRad = (frameType==StelCore::FrameAltAz || frameType==StelCore::FrameGalactic) ? M_PI/180.* 10. : M_PI/180.* 15.;
else
{
const double closetResLon = (frameType==StelCore::FrameAltAz || frameType==StelCore::FrameGalactic) ? getClosestResolutionDMS(prj->getPixelPerRadAtCenter()*std::cos(lat2)) : getClosestResolutionHMS(prj->getPixelPerRadAtCenter()*std::cos(lat2));
gridStepMeridianRad = M_PI/180.* ((northPoleInViewport || southPoleInViewport) ? 15. : closetResLon);
}
// Get the bounding halfspace
const SphericalCap& viewPortSphericalCap = prj->getBoundingCap();
// Compute the first grid starting point. This point is close to the center of the screen
// and lays at the intersection of a meridien and a parallel
lon2 = gridStepMeridianRad*((int)(lon2/gridStepMeridianRad+0.5));
lat2 = gridStepParallelRad*((int)(lat2/gridStepParallelRad+0.5));
Vec3d firstPoint;
StelUtils::spheToRect(lon2, lat2, firstPoint);
firstPoint.normalize();
// Q_ASSERT(viewPortSphericalCap.contains(firstPoint));
// Initialize a painter and set openGL state
StelPainter sPainter(prj);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); // Normal transparency mode
Vec4f textColor(color[0], color[1], color[2], 0);
sPainter.setColor(color[0],color[1],color[2], fader.getInterstate());
textColor*=2;
textColor[3]=fader.getInterstate();
sPainter.setFont(font);
ViewportEdgeIntersectCallbackData userData(&sPainter);
userData.textColor = textColor;
userData.frameType = frameType;
/////////////////////////////////////////////////
// Draw all the meridians (great circles)
SphericalCap meridianSphericalCap(Vec3d(1,0,0), 0);
Mat4d rotLon = Mat4d::zrotation(gridStepMeridianRad);
Vec3d fpt = firstPoint;
Vec3d p1, p2;
int maxNbIter = (int)(M_PI/gridStepMeridianRad);
int i;
for (i=0; i<maxNbIter; ++i)
{
StelUtils::rectToSphe(&lon2, &lat2, fpt);
userData.raAngle = lon2;
meridianSphericalCap.n = fpt^Vec3d(0,0,1);
meridianSphericalCap.n.normalize();
if (!SphericalCap::intersectionPoints(viewPortSphericalCap, meridianSphericalCap, p1, p2))
{
if (viewPortSphericalCap.d<meridianSphericalCap.d && viewPortSphericalCap.contains(meridianSphericalCap.n))
{
// The meridian is fully included in the viewport, draw it in 3 sub-arcs to avoid length > 180.
const Mat4d& rotLon120 = Mat4d::rotation(meridianSphericalCap.n, 120.*M_PI/180.);
Vec3d rotFpt=fpt;
rotFpt.transfo4d(rotLon120);
Vec3d rotFpt2=rotFpt;
rotFpt2.transfo4d(rotLon120);
sPainter.drawGreatCircleArc(fpt, rotFpt, NULL, viewportEdgeIntersectCallback, &userData);
sPainter.drawGreatCircleArc(rotFpt, rotFpt2, NULL, viewportEdgeIntersectCallback, &userData);
sPainter.drawGreatCircleArc(rotFpt2, fpt, NULL, viewportEdgeIntersectCallback, &userData);
fpt.transfo4d(rotLon);
continue;
}
else
break;
}
Vec3d middlePoint = p1+p2;
middlePoint.normalize();
if (!viewPortSphericalCap.contains(middlePoint))
middlePoint*=-1.;
// Draw the arc in 2 sub-arcs to avoid lengths > 180 deg
sPainter.drawGreatCircleArc(p1, middlePoint, NULL, viewportEdgeIntersectCallback, &userData);
sPainter.drawGreatCircleArc(p2, middlePoint, NULL, viewportEdgeIntersectCallback, &userData);
fpt.transfo4d(rotLon);
}
if (i!=maxNbIter)
{
rotLon = Mat4d::zrotation(-gridStepMeridianRad);
fpt = firstPoint;
fpt.transfo4d(rotLon);
for (int j=0; j<maxNbIter-i; ++j)
{
StelUtils::rectToSphe(&lon2, &lat2, fpt);
userData.raAngle = lon2;
meridianSphericalCap.n = fpt^Vec3d(0,0,1);
meridianSphericalCap.n.normalize();
if (!SphericalCap::intersectionPoints(viewPortSphericalCap, meridianSphericalCap, p1, p2))
break;
Vec3d middlePoint = p1+p2;
middlePoint.normalize();
if (!viewPortSphericalCap.contains(middlePoint))
middlePoint*=-1;
sPainter.drawGreatCircleArc(p1, middlePoint, NULL, viewportEdgeIntersectCallback, &userData);
sPainter.drawGreatCircleArc(p2, middlePoint, NULL, viewportEdgeIntersectCallback, &userData);
fpt.transfo4d(rotLon);
}
}
/////////////////////////////////////////////////
// Draw all the parallels (small circles)
SphericalCap parallelSphericalCap(Vec3d(0,0,1), 0);
rotLon = Mat4d::rotation(firstPoint^Vec3d(0,0,1), gridStepParallelRad);
fpt = firstPoint;
maxNbIter = (int)(M_PI/gridStepParallelRad)-1;
for (i=0; i<maxNbIter; ++i)
{
StelUtils::rectToSphe(&lon2, &lat2, fpt);
if (withDecimalDegree)
userData.text = StelUtils::radToDecDegStr(lat2);
else
userData.text = StelUtils::radToDmsStrAdapt(lat2);
parallelSphericalCap.d = fpt[2];
if (parallelSphericalCap.d>0.9999999)
break;
const Vec3d rotCenter(0,0,parallelSphericalCap.d);
if (!SphericalCap::intersectionPoints(viewPortSphericalCap, parallelSphericalCap, p1, p2))
{
if ((viewPortSphericalCap.d<parallelSphericalCap.d && viewPortSphericalCap.contains(parallelSphericalCap.n))
|| (viewPortSphericalCap.d<-parallelSphericalCap.d && viewPortSphericalCap.contains(-parallelSphericalCap.n)))
{
// The parallel is fully included in the viewport, draw it in 3 sub-arcs to avoid lengths >= 180 deg
static const Mat4d rotLon120 = Mat4d::zrotation(120.*M_PI/180.);
Vec3d rotFpt=fpt;
rotFpt.transfo4d(rotLon120);
Vec3d rotFpt2=rotFpt;
rotFpt2.transfo4d(rotLon120);
sPainter.drawSmallCircleArc(fpt, rotFpt, rotCenter, viewportEdgeIntersectCallback, &userData);
sPainter.drawSmallCircleArc(rotFpt, rotFpt2, rotCenter, viewportEdgeIntersectCallback, &userData);
sPainter.drawSmallCircleArc(rotFpt2, fpt, rotCenter, viewportEdgeIntersectCallback, &userData);
fpt.transfo4d(rotLon);
continue;
}
else
break;
}
// Draw the arc in 2 sub-arcs to avoid lengths > 180 deg
Vec3d middlePoint = p1-rotCenter+p2-rotCenter;
middlePoint.normalize();
middlePoint*=(p1-rotCenter).length();
middlePoint+=rotCenter;
if (!viewPortSphericalCap.contains(middlePoint))
{
middlePoint-=rotCenter;
middlePoint*=-1.;
middlePoint+=rotCenter;
}
sPainter.drawSmallCircleArc(p1, middlePoint, rotCenter, viewportEdgeIntersectCallback, &userData);
sPainter.drawSmallCircleArc(p2, middlePoint, rotCenter, viewportEdgeIntersectCallback, &userData);
fpt.transfo4d(rotLon);
}
if (i!=maxNbIter)
{
rotLon = Mat4d::rotation(firstPoint^Vec3d(0,0,1), -gridStepParallelRad);
fpt = firstPoint;
fpt.transfo4d(rotLon);
for (int j=0; j<maxNbIter-i; ++j)
{
StelUtils::rectToSphe(&lon2, &lat2, fpt);
if (withDecimalDegree)
userData.text = StelUtils::radToDecDegStr(lat2);
else
userData.text = StelUtils::radToDmsStrAdapt(lat2);
parallelSphericalCap.d = fpt[2];
const Vec3d rotCenter(0,0,parallelSphericalCap.d);
if (!SphericalCap::intersectionPoints(viewPortSphericalCap, parallelSphericalCap, p1, p2))
{
if ((viewPortSphericalCap.d<parallelSphericalCap.d && viewPortSphericalCap.contains(parallelSphericalCap.n))
|| (viewPortSphericalCap.d<-parallelSphericalCap.d && viewPortSphericalCap.contains(-parallelSphericalCap.n)))
{
// The parallel is fully included in the viewport, draw it in 3 sub-arcs to avoid lengths >= 180 deg
static const Mat4d rotLon120 = Mat4d::zrotation(120.*M_PI/180.);
Vec3d rotFpt=fpt;
rotFpt.transfo4d(rotLon120);
Vec3d rotFpt2=rotFpt;
rotFpt2.transfo4d(rotLon120);
sPainter.drawSmallCircleArc(fpt, rotFpt, rotCenter, viewportEdgeIntersectCallback, &userData);
sPainter.drawSmallCircleArc(rotFpt, rotFpt2, rotCenter, viewportEdgeIntersectCallback, &userData);
sPainter.drawSmallCircleArc(rotFpt2, fpt, rotCenter, viewportEdgeIntersectCallback, &userData);
fpt.transfo4d(rotLon);
continue;
}
else
break;
}
// Draw the arc in 2 sub-arcs to avoid lengths > 180 deg
Vec3d middlePoint = p1-rotCenter+p2-rotCenter;
middlePoint.normalize();
middlePoint*=(p1-rotCenter).length();
middlePoint+=rotCenter;
if (!viewPortSphericalCap.contains(middlePoint))
{
middlePoint-=rotCenter;
middlePoint*=-1.;
middlePoint+=rotCenter;
}
sPainter.drawSmallCircleArc(p1, middlePoint, rotCenter, viewportEdgeIntersectCallback, &userData);
sPainter.drawSmallCircleArc(p2, middlePoint, rotCenter, viewportEdgeIntersectCallback, &userData);
fpt.transfo4d(rotLon);
}
}
}
// Draw the Comet and all the related infos : name, circle etc... GZ: Taken from Planet.cpp 2013-11-05 and extended
void Comet::draw(StelCore* core, float maxMagLabels, const QFont& planetNameFont)
{
if (hidden)
return;
if (getEnglishName() == core->getCurrentLocation().planetName)
{ // GZ moved this up. Maybe even don't do that? E.g., draw tail while riding the comet? Decide later.
return;
}
// The CometOrbit is in fact available in userDataPtr!
CometOrbit* orbit=(CometOrbit*)userDataPtr;
Q_ASSERT(orbit);
if (!orbit->objectDateValid(core->getJDay())) return; // out of useful date range. This allows having hundreds of comet elements.
if (orbit->getUpdateTails()){
// Compute lengths and orientations from orbit object, but only if required.
// TODO: This part should possibly be moved to another thread to keep draw() free from too much computation.
Vec2f tailFactors=getComaDiameterAndTailLengthAU();
float gasTailEndRadius=qMax(tailFactors[0], 0.025f*tailFactors[1]) ; // This avoids too slim gas tails for bright comets like Hale-Bopp.
float gasparameter=gasTailEndRadius*gasTailEndRadius/(2.0f*tailFactors[1]); // parabola formula: z=r²/2p, so p=r²/2z
// The dust tail is thicker and usually shorter. The factors can be configured in the elements.
float dustparameter=gasTailEndRadius*gasTailEndRadius*dustTailWidthFactor*dustTailWidthFactor/(2.0f*dustTailLengthFactor*tailFactors[1]);
// Find valid parameters to create paraboloid vertex arrays: dustTail, gasTail.
computeParabola(gasparameter, gasTailEndRadius, -0.5f*gasparameter, gastailVertexArr, gastailTexCoordArr, gastailIndices);
// This was for a rotated straight parabola:
//computeParabola(dustparameter, 2.0f*tailFactors[0], -0.5f*dustparameter, dusttailVertexArr, dusttailTexCoordArr, dusttailIndices);
// Now we make a skewed parabola. Skew factor 15 (last arg) ad-hoc/empirical. TBD later: Find physically correct solution.
computeParabola(dustparameter, dustTailWidthFactor*gasTailEndRadius, -0.5f*dustparameter, dusttailVertexArr, gastailTexCoordArr, gastailIndices, 25.0f*orbit->getVelocity().length());
// Note that we use a diameter larger than what the formula returns. A scale factor of 1.2 is ad-hoc/empirical (GZ), but may look better.
computeComa(1.0f*tailFactors[0]);
orbit->setUpdateTails(false); // don't update until position has been recalculated elsewhere
}
Mat4d mat = Mat4d::translation(eclipticPos) * rotLocalToParent;
/* // We can remove that - a Comet has no parent except for the sun...
PlanetP p = parent;
while (p && p->parent)
{
mat = Mat4d::translation(p->eclipticPos) * mat * p->rotLocalToParent;
p = p->parent;
}
*/
// This removed totally the Planet shaking bug!!!
StelProjector::ModelViewTranformP transfo = core->getHeliocentricEclipticModelViewTransform();
transfo->combine(mat);
// Compute the 2D position and check if in the screen
const StelProjectorP prj = core->getProjection(transfo);
float screenSz = getAngularSize(core)*M_PI/180.*prj->getPixelPerRadAtCenter();
float viewport_left = prj->getViewportPosX();
float viewport_bottom = prj->getViewportPosY();
if (prj->project(Vec3d(0), screenPos)
&& screenPos[1]>viewport_bottom - screenSz && screenPos[1] < viewport_bottom + prj->getViewportHeight()+screenSz
&& screenPos[0]>viewport_left - screenSz && screenPos[0] < viewport_left + prj->getViewportWidth() + screenSz)
{
// Draw the name, and the circle if it's not too close from the body it's turning around
// this prevents name overlapping (ie for jupiter satellites)
float ang_dist = 300.f*atan(getEclipticPos().length()/getEquinoxEquatorialPos(core).length())/core->getMovementMgr()->getCurrentFov();
// if (ang_dist==0.f) ang_dist = 1.f; // if ang_dist == 0, the Planet is sun.. --> GZ: we can remove it.
// by putting here, only draw orbit if Comet is visible for clarity
drawOrbit(core); // TODO - fade in here also...
if (flagLabels && ang_dist>0.25 && maxMagLabels>getVMagnitude(core))
{
labelsFader=true;
}
else
{
labelsFader=false;
}
drawHints(core, planetNameFont);
draw3dModel(core,transfo,screenSz);
}
// tails should also be drawn if core is off-screen...
drawTail(core,transfo,true); // gas tail
drawTail(core,transfo,false); // dust tail
//Coma: this is just a fan disk tilted towards the observer;-)
drawComa(core, transfo);
return;
}