File indexing completed on 2024-04-28 03:44:26

 /*
     SPDX-FileCopyrightText: 2016 Artem Fedoskin <afedoskin3@gmail.com>
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "supernovanode.h"
 
 #include "ksutils.h"
 #include "linelist.h"
 #include "Options.h"
 #include "supernova.h"
 #include "nodes/pointnode.h"
 #include "nodes/polynode.h"
 
 #include <QSGFlatColorMaterial>
 
 SupernovaNode::SupernovaNode(Supernova *snova) : m_snova(snova)
 {
 }
 
 void SupernovaNode::update()
 {
     KStarsData *data        = KStarsData::Instance();
     const Projector *m_proj = SkyMapLite::Instance()->projector();
     if (!m_proj->checkVisibility(m_snova))
     {
         hide();
         return;
     }
 
     bool visible = false;
     QPointF pos  = m_proj->toScreen(m_snova, true, &visible);
     //qDebug()<<"sup->ra() = "<<(sup->ra()).toHMSString()<<"sup->dec() = "<<sup->dec().toDMSString();
     //qDebug()<<"pos = "<<pos<<"m_proj->onScreen(pos) = "<<m_proj->onScreen(pos);
     if (!visible || !m_proj->onScreen(pos))
     {
         hide();
         return;
     }
 
     QColor color = data->colorScheme()->colorNamed("SupernovaColor");
 
     //Initialize m_lines if not already done
     if (!m_lines)
     {
         m_lines    = new QSGGeometryNode;
         m_geometry = new QSGGeometry(QSGGeometry::defaultAttributes_Point2D(), 0);
         m_lines->setGeometry(m_geometry);
         m_lines->setFlag(QSGNode::OwnsGeometry);
 
         m_material = new QSGFlatColorMaterial;
         m_lines->setOpaqueMaterial(m_material);
         m_lines->setFlag(QSGNode::OwnsMaterial);
         addChildNode(m_lines);
 
         m_geometry->allocate(4);
         QSGGeometry::Point2D *vertex = m_geometry->vertexDataAsPoint2D();
 
         vertex[0].set(-2.0, 0.0);
         vertex[1].set(2.0, 0.0);
         vertex[2].set(0.0, -2.0);
         vertex[3].set(0.0, 2.0);
     }
     show();
     if (m_material->color() != color)
     {
         m_material->setColor(color);
         m_lines->markDirty(QSGNode::DirtyMaterial);
     }
 
     changePos(pos);
 
     return;
 }
 
 void SupernovaNode::changePos(QPointF pos)
 {
     //QSizeF size = m_point->size();
     QMatrix4x4 m(1, 0, 0, pos.x(), 0, 1, 0, pos.y(), 0, 0, 1, 0, 0, 0, 0, 1);
     //m.translate(-0.5*size.width(), -0.5*size.height());
 
     setMatrix(m);
     markDirty(QSGNode::DirtyMatrix);
 }