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"); }