?? main.cpp
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#include "target.h"#include <QtGui>#include <QTextCodec>#include <QtDebug>#include <math.h>#include "radar.h"static const int TargetCount = 200;int main(int argc, char **argv){ QApplication app(argc, argv); QTextCodec::setCodecForTr(QTextCodec::codecForLocale()); qsrand(QTime(0,0,0).secsTo(QTime::currentTime())); QGraphicsScene scene; scene.setSceneRect(-400, -300, 800, 600); scene.setItemIndexMethod(QGraphicsScene::NoIndex); for (int i = 0; i < TargetCount; ++i) { Target *target = new Target; target->setPos(qrand() % 800 - 400, qrand() % 600 - 300); target->setVisible(true); scene.addItem(target); } RadarView view(&scene); view.setRenderHint(QPainter::Antialiasing); view.setBackgroundBrush(Qt::black); view.setCacheMode(QGraphicsView::CacheBackground); view.setDragMode(QGraphicsView::ScrollHandDrag); view.setWindowTitle(QObject::tr("海戰(zhàn)模擬")); view.resize(800, 600); view.show(); return app.exec();}
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