static void Main()
{
/*### Problem 1. Structure
* Create a structure `Point3D` to hold a 3D-coordinate {X, Y, Z} in the Euclidian 3D space.
* Implement the `ToString()` to enable printing a 3D point.*/
Console.WriteLine("Problem 1. Structure - new 3D point created");
Point3D point1 = new Point3D(1, 2, 3);
Console.WriteLine(point1);
/*### Problem 2. Static read-only field
* Add a `private static read-only` field to hold the start of the coordinate system – the point O{0, 0, 0}.
* Add a static property to return the point O.*/
Console.WriteLine("\r\n\r\n\r\nProblem 2. Static read-only field - Point O");
Console.WriteLine(Point3D.PointO);
Console.WriteLine();
/*### Problem 3. Static class
* Write a `static class` with a `static method` to calculate the distance between two points in the 3D space.*/
Point3D point11 = new Point3D(-7, -4, 3);
Point3D point22 = new Point3D(17, 6, 2.5);
Console.WriteLine("\r\n\r\n\r\nProblem 3. Distance between points");
Console.WriteLine(point11);
Console.WriteLine(point22);
Console.WriteLine();
Console.WriteLine(CalculateDistance.Distance(point11, point22));
Console.WriteLine("26.004807247892 <== hardcoded to check the calculation");
/*### Problem 4. Path
* Create a class `Path` to hold a sequence of points in the 3D space.
* Create a static class `PathStorage` with static methods to save and load paths from a text file.
* Use a file format of your choice.*/
Console.WriteLine("\r\n\r\n\r\nProblem 4. Path Class");
Path newPath = new Path();
newPath.Add3DPoint(point11);
newPath.Add3DPoint(point22);
newPath.Add3DPoint(Point3D.PointO);
Console.WriteLine("\r\nPoints stored in newPath:\r\n");
Console.WriteLine(newPath);
//Test point deletion
newPath.Delete3DPoint(Point3D.PointO);
Console.WriteLine("\r\nPoints stored in newPath after removal of Point O:\r\n");
Console.WriteLine(newPath);
//Test saving Path to file
PathStorage.SavePath(newPath);
//Test loading Path from file
Console.WriteLine("\r\nTest loading Path from file\r\n");
Path testInputFile = new Path();
PathStorage.LoadPath(testInputFile);
Console.WriteLine(testInputFile);
}
public static void LoadPath(Path outputPath)
{
string filename = "../../sample-input.txt";
StreamReader reader = new StreamReader(filename);
using (reader)
{
string line = reader.ReadLine();
while (line != null)
{
double[] tempArr = line.Split(',').Select(c => double.Parse(c)).ToArray();
outputPath.Add3DPoint(new Point3D(tempArr[0], tempArr[1], tempArr[2]));
line = reader.ReadLine();
}
}
Console.WriteLine("File loaded successfully!\r\n");
}