public void menu_driven()
{
mathematics obj = new mathematics();
int option;
while (true)
{
try{
option = obj.show_options();
}catch (Exception) {
Console.WriteLine("Incorrect input");
continue;
}
switch (option)
{
case 0: Console.WriteLine("Error found in program");
System.Environment.Exit(0);
break;
case 1: obj.find_factorial();
break;
case 2: obj.is_number_prime();
break;
case 3: System.Environment.Exit(0);
break;
default: Console.WriteLine("Wrong Choice..!!");
break;
}
}
}
static void Main(string[] args)
{
mathematics ac = new mathematics();
int a = 10;
int b = 20;
Console.WriteLine(ac.addition(a, b));
Console.ReadKey();
}
public void find_factorial()
{
mathematics obj = new mathematics();
try{
int number = obj.read_number();
Console.WriteLine("Factorial of {0} = {1}", number, obj.factorial(number));
}catch (Exception e) {
Console.WriteLine("mathematics.find_factorial :- {0}", e);
}finally{
Console.ReadKey();
}
}
public int show_options()
{
mathematics obj = new mathematics();
try{
Console.WriteLine("Menu");
Console.WriteLine("1- Factorial");
Console.WriteLine("2- Check Prime");
Console.WriteLine("3- Exit");
Console.Write("Option : ");
int option = int.Parse(Console.ReadLine());
return(option);
}catch (Exception e) {
Console.WriteLine("mathematics.show_options :- {0}", e);
return(0);
}
}
public void is_number_prime()
{
mathematics obj = new mathematics();
try{
int number = obj.read_number();
if (obj.is_prime(number))
{
Console.WriteLine("{0} is a Prime number", number);
}
else
{
Console.WriteLine("{0} is not a Prime number", number);
}
}catch (Exception e) {
Console.WriteLine("mathematics.is_number_prime :- {0}", e);
}finally{
Console.ReadKey();
}
}
/// <summary>
/// This function tranform the current canvas coordonate to physic engine coordonate
/// </summary>
/// <param name="vector">the 3D vector to set</param>
/// <param name="canvasCoordonate">the point in canvas coordonate</param>
public void SetVectorFromCanvasCoodonate(mathematics.Vector3D vector, Point canvasCoordonate)
{
vector.X = Convert.ToSingle(((canvasCoordonate.X - (this.graphCanvas.ActualWidth / 2d)) / this.CurrentZoomRatio) + this.center.X);
vector.Y = Convert.ToSingle(((canvasCoordonate.Y - (this.graphCanvas.ActualHeight / 2d)) / this.CurrentZoomRatio) + this.center.Y);
}
/// <summary>
/// This function transform physic engine coordonate in the current canvas coordonate
/// </summary>
/// <param name="vector">the physics engine coodonate</param>
/// <returns>the equivalent coordonate in the canvas</returns>
public Point GetCanvasCoordonate(mathematics.Vector3D vector)
{
Point point = new Point();
point.X = ((vector.X - this.center.X) * this.CurrentZoomRatio) + (this.graphCanvas.ActualWidth / 2d);
point.Y = ((vector.Y - this.center.Y) * this.CurrentZoomRatio) + (this.graphCanvas.ActualHeight / 2d);
return point;
}
