public static double CalculateDistance(Point3D pointA, Point3D pointB)
{
double x = (pointB.X * pointB.X) - (2 * pointB.X * pointA.X) + (pointA.X * pointA.X);
double y = (pointB.Y * pointB.Y) - (2 * pointB.Y * pointA.Y) + (pointA.Y * pointA.Y);
double z = (pointB.Z * pointB.Z) - (2 * pointB.Z * pointA.Z) + (pointA.Z * pointA.Z);
return Math.Sqrt(x + y + z);
}
static void Main()
{
Point3D first = new Point3D(1, 2, 3);
Point3D second = new Point3D(4, 5, 6);
var result = CalculateDistance.GetDistance(first, second);
Console.WriteLine(result);
}
public static double GetDistance(Point3D firstPoint, Point3D secondPoint)
{
decimal diffX = (firstPoint.X - secondPoint.X) * (FirstPoint.X - secondPoint.X);
decimal diffY = (firstPoint.Y - secondPoint.Y) * (FirstPoint.Y - secondPoint.Y);
decimal diffZ = (firstPoint.Z - secondPoint.Z) * (FirstPoint.Z - secondPoint.Z);
double result = Math.Sqrt((double)(diffX + diffY + diffZ));
return result;
}
