public void addPoint(float t, float latitude, float longitude, float coverage)
{
statePoint p = new statePoint();
p.t = t;
p.latitude = latitude;
p.longitude = longitude;
p.coverage = coverage;
history.Add(p);
sort();
}
private void sort()
{
// Bubble-sorts points by time history
bool sorted = false;
while (!sorted)
{
sorted = true;
for (int i = 0; i < history.Count - 1; i++)
{
if (history[i].t > history[i + 1].t)
{
statePoint tmp = history[i];
history[i] = history[i + 1];
history[i + 1] = tmp;
sorted = false;
}
}
}
}
public void addPoint(statePoint point)
{
history.Add(point);
sort();
}
protected override void OnPaint(PaintEventArgs e)
{
for (int j = 0; j < histories.Count; j++)
{
stateHistory h = histories[j];
Pen pen = new Pen(h.color);
List <Point> points = new List <Point>();
int xOffset = 0;
for (int i = 0; i < h.history.Count; i++)
{
statePoint p = h.history[i];
int x = Conversion.Longitude2Pixel(p.longitude, Width) + xOffset;
int y = Conversion.Latitude2Pixel(p.latitude, Height);
points.Add(new Point(x, y));
if (x > Width)
{
// Draw current points, start new set
if (points.Count > 1)
{
e.Graphics.DrawLines(pen, points.ToArray());
}
points.Clear();
xOffset -= Width;
}
if (i != h.history.Count - 1 && p.t < CurrTime && CurrTime <= h.history[i + 1].t)
{
// Draw point for current satellite position
int sx = Conversion.Longitude2Pixel(p.longitude, Width) + xOffset;
int sy = Conversion.Latitude2Pixel(p.latitude, Height);
e.Graphics.DrawEllipse(pen, new Rectangle(sx - satellitePointRadius, sy - satellitePointRadius, 2 * satellitePointRadius, 2 * satellitePointRadius));
}
}
if (points.Count > 1)
{
e.Graphics.DrawLines(pen, points.ToArray());
}
// Draw label
e.Graphics.DrawString(h.name, Font, pen.Brush, new Point(Width - 100, 20 * (j + 1)));
}
// Update
TimeSpan diff = DateTime.Now - lastRender;
float dt = (float)(diff.Seconds) + (float)(diff.Milliseconds) / 1000.0f;
CurrTime = CurrTime + dt * speed;
if (CurrTime == EndTime)
{
// Pause at end
speed = 0;
updateButton();
}
lastRender = DateTime.Now;
timeLabel.Text = CurrTime.ToString();
// Force animation update
if (speed > 0)
{
Invalidate(true);
timeLabel.Invalidate();
slideBar1.Invalidate();
}
base.OnPaint(e);
}
