48 lines
791 B
C++
48 lines
791 B
C++
#ifndef RADAR_H
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#define RADAR_H
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#include <QWidget>
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#include <QPainter>
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#include <QPaintEvent>
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#include <QPalette>
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#include <QtMath>
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#include <QTimer>
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#include <QVector>
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class Radar : public QWidget
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{
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Q_OBJECT
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public:
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explicit Radar(QWidget *parent = nullptr);
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void paintEvent(QPaintEvent *);
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private:
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inline double convertDis(int dis);
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int mst;
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int distances[256] = {0};
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int MAX_DIS = 100;
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double soundSpeed;
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QTimer scanTimer;
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int lefttop;
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int interval;
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int scanAngle;
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int currentAngle, lastAngle;
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int currentDistant, lastDistant;
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bool isClock;
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int baseDiameter;
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signals:
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void sendPos(int ang, int dis);
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public slots:
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void getPos(int ang, int dis);
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void setSoundSpeed(double speed);
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};
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#endif // RADAR_H
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