private void Form1_MouseDown(object sender, MouseEventArgs e)
{
if (!Dragging)
{
Point cursorPos = Cursor.Position;
for (int r = 0; r < NumRows; r++)
{
for (int c = 0; c < NumCols; c++)
{
if (drones[r, c].CursorOnDrone(cursorPos.X, cursorPos.Y))
{
SelectedDrone = drones[r, c];
Dragging = true;
graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighSpeed;
RefreshTimer.Enabled = true;
}
}
}
previousCursorPos = cursorPos;
}
}
public void DrawDrone(Drone drone)
{
//Verify the drone is not currently drawn
if (drone.IsDrawn)
{
return;
}
//Create Pen and Brush
Pen pen = new Pen(Color.Black);
Brush brush = new SolidBrush(drone.Color);
pen.Width = 2;
drone.PrevX = drone.Rect.X;
drone.PrevY = drone.Rect.Y;
//Draw
graphics.DrawEllipse(pen, drone.Rect);
graphics.FillEllipse(brush, drone.Rect);
drone.IsDrawn = true;
}
