public static void Main()
{
double[] x = new double[3];
double[] y = new double[3];
for (int i = 0; i < 3; ++i)
{
Console.Write("\nEnter x" + i + ": ");
x[i] = Convert.ToDouble(Console.ReadLine());
Console.Write("\nEnter y" + i + ": ");
y[i] = Convert.ToDouble(Console.ReadLine());
}
Triangle abc = new Triangle(x, y);
Console.WriteLine("\nArea = " + abc.Area(abc) + "\n");
Console.ReadKey();
}
static void Main(string[] args)
{
string input = null;
//Variable used for user input for creating circle.
int diameter = 0;
//Variables used for user input for creating triangle
int sideOne = 0;
int sideTwo = 0;
int sideThree = 0;
//Variables used for user input for creating rectangle
int length = 0;
int width = 0;
//Forces the program to loop through the prompt even if user creates an invalid object or enters an invalid value.
do
{
Console.WriteLine("What shape do you want to create?");
Console.WriteLine(" - Enter 1 for a circle");
Console.WriteLine(" - Enter 2 for a triangle");
Console.WriteLine(" - Enter 3 for a rectangle");
input = Console.ReadLine();
switch (input)
{
case "1":
Console.WriteLine("Enter the diameter of the circle: ");
try
{
diameter = int.Parse(Console.ReadLine());
var Circle = new Circle(diameter);
if (Circle.IsValid == true)
{
Console.WriteLine("The circle is valid");
Console.WriteLine("The area of the specified circle is: " + Circle.Area());
Console.WriteLine("The perimeter of the specified circle is: " + Circle.Perimeter());
Console.WriteLine();
}
else
{
Console.WriteLine("The circle is not valid");
Console.WriteLine();
}
}
catch
{
Console.WriteLine("You must enter a whole number for diameter.");
Console.WriteLine();
}
break;
case "2":
try
{
Console.WriteLine("Enter the length of the first side: ");
sideOne = int.Parse(Console.ReadLine());
Console.WriteLine("Enter the length of the second side: ");
sideTwo = int.Parse(Console.ReadLine());
Console.WriteLine("Enter the length of the third side: ");
sideThree = int.Parse(Console.ReadLine());
var Triangle = new Triangle(sideOne, sideTwo, sideThree);
if (Triangle.IsValid == true)
{
Console.WriteLine("The triangle is valid");
Console.WriteLine("The area of the specified triangle is: " + Triangle.Area());
Console.WriteLine("The perimeter of the specified triangle is: " + Triangle.Perimeter());
Console.WriteLine();
}
else
{
Console.WriteLine("The triangle is not valid");
Console.WriteLine();
}
}
catch
{
Console.WriteLine("Please enter whole numbers for the length of side.");
Console.WriteLine();
}
break;
case "3":
try
{
Console.WriteLine("Enter the length of the rectangle: ");
length = int.Parse(Console.ReadLine());
Console.WriteLine("Enter the width of the rectangle: ");
width = int.Parse(Console.ReadLine());
var Rectangle = new Rectangle(length, width);
if (Rectangle.IsValid == true)
{
Console.WriteLine("The rectangle is valid");
Console.WriteLine("The area of the specified triangle is: " + Rectangle.Area());
Console.WriteLine("The perimeter of the specified triangle is: " + Rectangle.Perimeter());
Console.WriteLine();
}
else
{
Console.WriteLine("The rectangle is not valid");
Console.WriteLine();
}
}
catch
{
Console.WriteLine("Please enter whole numbers only.");
Console.WriteLine();
}
break;
case "exit":
System.Environment.Exit(0);
break;
default:
Console.WriteLine("You did not enter a valid shape number");
Console.WriteLine();
break;
}
}while (input != "exit");
}
static void Main(string[] args)
{
Console.WriteLine("Rectangles:");
Rectangle r1 = new Rectangle(new Point(3, 4), new Point(7, 9));
Console.WriteLine($"r1: {r1}");
Console.WriteLine($"Perimeter: {r1.Perimeter()} Area: {r1.Area()}");
Console.WriteLine();
Rectangle r2 = new Rectangle(new Point(3, 4), new Point(7, 9), new Point(-2, -2), new Point(8, 1));
Console.WriteLine($"r2: {r2}");
Console.WriteLine($"Perimeter: {r2.Perimeter()} Area: {r2.Area()}");
Console.WriteLine();
Console.WriteLine("Triangles:");
Triangle t1 = new Triangle(new Point(1, -4), new Point(9, 1), new Point(3, 4));
Console.WriteLine($"t1: {t1}");
Console.WriteLine($"t1 is scalene? {t1.IsScalene()}");
Console.WriteLine($"t1 is isosceles? {t1.IsIsosceles()}");
Console.WriteLine($"t1 is equilateral? {t1.IsEquilateral()}");
Console.WriteLine($"Perimeter: {t1.Perimeter()} Area: {t1.Area()}");
Console.WriteLine();
Triangle t2 = new Triangle(new Point(10, 0), new Point(0, 10), new Point(0, 0));
Console.WriteLine($"t2: {t2}");
Console.WriteLine($"t2 is scalene? {t2.IsScalene()}");
Console.WriteLine($"t2 is isosceles? {t2.IsIsosceles()}");
Console.WriteLine($"t2 is equilateral? {t2.IsEquilateral()}");
Console.WriteLine($"Perimeter: {t2.Perimeter()} Area: {t2.Area()}");
Console.WriteLine();
Triangle t3 = new Triangle(new List <Point>()
{
new Point(0, 0), new Point(10, 0), new Point(5, 8.660254037845)
});
Console.WriteLine($"t3: {t3}");
Console.WriteLine($"t3 is scalene? {t3.IsScalene()}");
Console.WriteLine($"t3 is isosceles? {t3.IsIsosceles()}");
Console.WriteLine($"t3 is equilateral? {t3.IsEquilateral()}");
Console.WriteLine($"Perimeter: {t3.Perimeter()} Area: {t3.Area()}");
Console.WriteLine();
Console.WriteLine("Shapes:");
List <Shape> shapes = new List <Shape>()
{
r1, r2, t1, t2, t3
};
foreach (Shape s in shapes)
{
Console.WriteLine(s);
Console.WriteLine($"Perimeter: {s.Perimeter()} Area: {s.Area()}");
}
Console.WriteLine();
Console.WriteLine("Split r1:");
Console.WriteLine($"r1: {r1}");
Console.WriteLine($"Perimeter: {r1.Perimeter()} Area: {r1.Area()}");
var triangles = r1.ToTriangles();
foreach (Triangle t in triangles)
{
Console.WriteLine(t);
Console.WriteLine($"Perimeter: {t.Perimeter()} Area: {t.Area()}");
}
double area = triangles[0].Area() + triangles[1].Area();
Console.WriteLine($"r1 area == combined triangle area?: {Utils.IsRelativelyEqual(area, r1.Area())}");
Console.WriteLine();
Console.WriteLine("Press <ENTER> to continue...");
Console.ReadLine();
}
