File indexing completed on 2024-05-05 03:51:47 

0001 /*.
0002     SPDX-FileCopyrightText: 2007 Vladimir Kuznetsov <ks.vladimir@gmail.com>
0003 
0004     SPDX-License-Identifier: GPL-2.0-or-later
0005 */
0006 
0007 #ifndef STEP_PARTICLEGRAPHICS_H
0008 #define STEP_PARTICLEGRAPHICS_H
0009 
0010 #include "worldgraphics.h"
0011 #include "stepgraphicsitem.h"
0012 
0013 #include <stepcore/particle.h>
0014 
0015 class ParticleGraphicsItem: public StepGraphicsItem {
0016 public:
0017     ParticleGraphicsItem(StepCore::Item* item, WorldModel* worldModel);
0018 
0019     QPainterPath shape() const override;
0020     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
0021 
0022     void viewScaleChanged() override;
0023     void stateChanged() override;
0024     void worldDataChanged(bool) override;
0025 
0026 protected:
0027     StepCore::Particle* particle() const {
0028         return static_cast<StepCore::Particle*>(_item); }
0029 
0030     ArrowHandlerGraphicsItem *_velocityHandler;
0031     double _lastArrowRadius;
0032 
0033     static const int RADIUS = 7;
0034 };
0035 
0036 #endif
0037