/// <summary>
/// Creates a table that shows bullet's location and velocity as a function of time from
/// t = 0 bullt's hit time.
/// </summary>
private void fillDataGrid()
{
double hitTime = this.simulation.getHitTime();
DataTable table = new DataTable();
//Add table colums.
table.Columns.Add("t", typeof(double));
table.Columns.Add("X", typeof(double));
table.Columns.Add("Y", typeof(double));
table.Columns.Add("Z", typeof(double));
table.Columns.Add("Vt", typeof(double));
//Fill table rows with the requiered data from t = 0 till bullt's hit time
//and round all the numbers.
for (double i = 0; i <= 1; i += 0.1)
{
double t = hitTime * i;
Cordinates cord = this.simulation.getBulletCordinates(t);
table.Rows.Add(Math.Round(t, 3), Math.Round(cord.X, 3), Math.Round(cord.Y, 3),
Math.Round(cord.Z, 3), Math.Round(this.simulation.getBulletVelocity(t), 3));
}
this.dataGridView.DataSource = table;
this.dataGridView.AutoResizeColumns();
}
/// <summary>
/// Paint a crosshair on targetPicture that shows the bullet's hit location relatively to
/// the targe't center.
/// Shows also information about distance from bullet's hit location to target's center,
/// wind speed and direction.
/// </summary>
private void paintCrossHairAndShowResults()
{
//Get bullet hit cordinates.
Cordinates hitCord = this.simulation.getBulletCordinates(this.simulation.getHitTime());
double distanceFromCenter = Math.Sqrt(Math.Pow(hitCord.X, 2) + Math.Pow(hitCord.Y, 2));
//Return if bullet missed target.
if (distanceFromCenter > this.simulation._target.Radius)
{
showLabelResults(distanceFromCenter, true);
//Redraw image.
this.targetPicture.Refresh();
return;
}
//Get ratio between picture size and target's radius.
double xRatio = this.targetPicture.Width / (this.simulation._target.Radius * 2);
double yRatio = this.targetPicture.Height / (this.simulation._target.Radius * 2);
//Get hit location on the picture.
Point hitPoint = new Point();
hitPoint.X = (int)((this.targetPicture.Width / 2) + (hitCord.X * xRatio));
hitPoint.Y = (int)((this.targetPicture.Height / 2) - (hitCord.Y * yRatio));
using (Graphics crossHair = this.targetPicture.CreateGraphics())
{
//Redraw image.
this.targetPicture.Refresh();
//Paint crosshair:
Pen p = new Pen(System.Drawing.Color.Red, 2);
crossHair.DrawLine(p, hitPoint.X - 15, hitPoint.Y, hitPoint.X + 15, hitPoint.Y);
crossHair.DrawLine(p, hitPoint.X, hitPoint.Y - 15, hitPoint.X, hitPoint.Y + 15);
}
//Show results.
showLabelResults(distanceFromCenter, true);
}