/// <summary>
/// Name:evaluateCOG
/// Description:calculates the centure of gravity for the planet
/// </summary>
/// <param name="inputedCOG">inputed COG</param>
public void evaluateCOG(COG inputedCOG)
{
var determinedDistance = Math.Sqrt(Math.Pow(this.planetLocation.X - inputedCOG.Location.X, 2) + Math.Pow(this.planetLocation.Y - inputedCOG.Location.Y, 2));
var distances = Math.Abs(determinedDistance);
if (inputedCOG.Radius + 1 > distances)
{
if (!(distances > this.distance))
{
this.distance = distances;
this.center = inputedCOG;
}
}
}
/// <summary>
/// Name:pictureBox1_Click
/// Description: a place for all the functionalities of the picture box
/// </summary>
/// <param name="sender">object sender</param>
/// <param name="e">event arugment</param>
private void pictureBox1_Click(object sender, EventArgs e)
{
MouseEventArgs clicks = e as MouseEventArgs;
Point point = new Point(clicks.X, clicks.Y);
Planets createdPlanet = new Planets(point);
Bitmap bitmap = new Bitmap(pictureBox1.Width, pictureBox1.Height);
Graphics planet = Graphics.FromImage(bitmap);
Graphics circle = Graphics.FromImage(bitmap);
if (createButton.Checked)
{
COG gravity = new COG();
double dist = 100000.00;
bool val = false;
foreach (COG grav in this.cog)
{
var determinedDistance = Math.Sqrt(Math.Pow(point.X - grav.Location.X, 2) + Math.Pow(point.Y - grav.Location.Y, 2));
var distances = Math.Abs(determinedDistance);
if (grav.Radius + 1 > distances)
{
val = true;
if (!(dist < distances))
{
dist = distances;
gravity.Location = grav.Location;
gravity.Radius = grav.Radius;
}
}
}
if (val != true)
{
MessageBox.Show("Place planet in a center of gravity zone");
}
else
{
createdPlanet.evaluateCOG(gravity);
this.planets.Add(createdPlanet);
foreach (Planets plan in this.planets)
{
planet.FillEllipse(new SolidBrush(Color.Red), plan.PlanetLocation.X - 5, plan.PlanetLocation.Y - 5, 15, 15);
foreach (COG center in this.cog)
{
planet.FillEllipse(new SolidBrush(Color.LightGray), center.Location.X - center.Radius, center.Location.Y - center.Radius, center.Radius * 2, center.Radius * 2);
planet.FillEllipse(new SolidBrush(Color.Black), center.Location.X, center.Location.Y, 5, 5);
}
}
pictureBox1.Image = bitmap;
}
}
else if (CenterButton.Checked)
{
COG newGravity = new COG(point, (int)numericUpDown1.Value);
this.cog.Add(newGravity);
foreach (Planets pt in this.planets)
{
circle.FillEllipse(new SolidBrush(Color.Red), pt.PlanetLocation.X, pt.PlanetLocation.Y, 15, 15);
foreach (COG center in this.cog)
{
circle.FillEllipse(new SolidBrush(Color.Black), center.Location.X - 3, center.Location.Y - 3, 5, 5);
circle.FillEllipse(new SolidBrush(Color.LightGray), center.Location.X - center.Radius, center.Location.Y - center.Radius, center.Radius * 2, center.Radius * 2);
}
}
pictureBox1.Image = bitmap;
}
else if (CenterButton.Checked == false && createButton.Checked == false)
{
MessageBox.Show("Select an option: create a center of gravity or create a planet.");
}
else
{
MessageBox.Show("Error!!!");
}
}