Diff: RadarDemo/Radar.h

Revision:

0:d8b9955d2b36

Child:

1:5e49b46de1b0

diff -r 000000000000 -r d8b9955d2b36 RadarDemo/Radar.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RadarDemo/Radar.h	Fri Nov 04 01:02:37 2016 +0000
@@ -0,0 +1,133 @@
+//
+// Radar.h - example of graphic commands usage to create 2D graphics.
+//
+
+#pragma once
+
+#include "Commons.h"
+#include "Display.h"
+#include "Target.h"
+#include <list>
+
+using namespace std;
+
+static const uint8_t _maxRangeNumber = 1;
+static const uint8_t _minRangeNumber = 0;
+
+#define MAX_RANGE_INDEX 2
+static const float _ranges[MAX_RANGE_INDEX + 1] = { 50, 100, 300 }; // km
+static const float _rangeMarkersDelta[MAX_RANGE_INDEX + 1] = { 10, 25, 50 };    // km
+static const int azimuthMarkersCount = 8;
+
+class Radar
+{
+public:
+
+    Radar(Display* display);
+    //Radar();
+    ~Radar();
+
+    /// <summary>
+    /// Draws all visible tracks.
+    /// </summary>
+    void DrawTracks();
+
+
+    /// <summary>
+    /// Demo: Updates the targets in sector.
+    /// </summary>
+    /// <param name="startAngle">The start angle.</param>
+    /// <param name="endAngle">The end angle.</param>
+    /// <param name="currentTime">Current Time in miliseconds.</param>
+    void UpdateTargetsLocation(float startAngle, float endAngle, uint32_t currentTime);
+
+
+    /// <summary>
+    /// Gets currently selected range in world coordinates [km].
+    /// </summary>
+    /// <returns></returns>
+    static float GetRange() {
+        return _ranges[_rangeNumber];
+    }
+
+    /// <summary>
+    /// Gets the maximum radar range in world coordinates [km].
+    /// </summary>
+    /// <returns></returns>
+    static float GetMaxRange() {
+        return _ranges[MAX_RANGE_INDEX];
+    }
+
+    /// <summary>
+    /// Sets current range number.
+    /// </summary>
+    /// <param name="rangeNumber">The range number.</param>
+    void SetRange(uint8_t rangeNumber) {
+        if (rangeNumber <= MAX_RANGE_INDEX) {
+            _rangeNumber = rangeNumber;
+
+            int localRange = (window.y2 - window.y1) / 2;
+            _scaleRatio = localRange / GetRange();
+        }
+    };
+
+    static int GetCenterX() {
+        return _centerX;
+    }
+
+    static int GetCenterY() {
+        return _centerY;
+    }
+
+    static void SetCenter(int x, int y) {
+        _centerX = x;
+        _centerY = y;
+    }
+
+    void DrawPlot(Location* plot);
+
+    void DrawRadarBeam(float azimuth);
+
+protected:
+    /// <summary>
+    /// Initializes this instance.
+    /// </summary>
+    void Initialize();
+
+    void DrawBorder();
+    void DrawMarkers();
+    void DrawTarget(Target* target);
+
+protected:
+    Display* GetDisplay();
+    list<Target> targetsList;
+
+private:
+
+
+    /// <summary>
+    /// Display window in local coordinate system
+    /// </summary>
+    Window window;
+
+    /// <summary>
+    /// Center y position in local coordinate system
+    /// </summary>
+    static int _centerX;
+
+    /// <summary>
+    /// Center y position in local coordinate system
+    /// </summary>
+    static int _centerY;
+
+    /// <summary>
+    /// Selected range (0..MaxRangeNumber)
+    /// </summary>
+    static uint8_t _rangeNumber;
+
+    static float _scaleRatio;
+
+    // Can be canvas, display or SDL renderer
+    Display* _display;
+
+};
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