public double Sqr(Trapeze obj)
{
double sqr;
double A = Math.Sqrt(Math.Pow(obj.Point[3, 0] - obj.Point[0, 0], 2.0) + Math.Pow(obj.Point[3, 1] - obj.Point[0, 1], 2.0));
double B = Math.Sqrt(Math.Pow(obj.Point[2, 0] - obj.Point[1, 0], 2.0) + Math.Pow(obj.Point[2, 1] - obj.Point[1, 1], 2.0));
double h = obj.Point[1, 1] - obj.Point[0, 1];
sqr = ((A + B) / 2) * h;
return(sqr);
}
public Trapeze(Trapeze obj)
{
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 2; j++)
{
this.Point[i, j] = obj.Point[i, j];
}
}
}
public double Per(Trapeze obj)
{
double per;
double A = Math.Sqrt(Math.Pow(obj.Point[3, 0] - obj.Point[0, 0], 2.0) + Math.Pow(obj.Point[3, 1] - obj.Point[0, 1], 2.0));
double B = Math.Sqrt(Math.Pow(obj.Point[2, 0] - obj.Point[1, 0], 2.0) + Math.Pow(obj.Point[2, 1] - obj.Point[1, 1], 2.0));
double C = Math.Sqrt(Math.Pow(obj.Point[1, 0] - obj.Point[0, 0], 2.0) + Math.Pow(obj.Point[1, 1] - obj.Point[0, 1], 2.0));
double D = Math.Sqrt(Math.Pow(obj.Point[2, 0] - obj.Point[3, 0], 2.0) + Math.Pow(obj.Point[2, 1] - obj.Point[3, 1], 2.0));
per = A + B + C + D;
return(per);
}
public static Trapeze operator *(Trapeze obj1, Trapeze obj2)
{
Trapeze obj = new Trapeze();
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 2; j++)
{
obj.Point[i, j] = obj1.Point[i, j] * obj2.Point[i, j];
}
}
return(obj);
}
public static Trapeze operator -(Trapeze obj, double num)
{
Trapeze obj1 = new Trapeze();
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 2; j++)
{
obj1.Point[i, j] = obj.Point[i, j] - num;
}
}
return(obj1);
}
static void Main(string[] args)
{
Trapeze TR1 = new Trapeze();
Trapeze TR2 = new Trapeze(1, 1, 2, 3, 3, 3, 5, 1);
Trapeze TR3 = new Trapeze(TR2);
TR3.Print();
TR3 = TR3 - 3;
TR3.Print();
TR1 = TR2 * TR3;
TR1.Print();
double sqr = TR1.Sqr(TR1);
double per = TR1.Per(TR1);
double[] A = TR1.GetPoint(1);
double[] B = TR1.GetPoint(2);
double[] C = TR1.GetPoint(3);
double[] D = TR1.GetPoint(4);
}
