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);
}
static void Main()
{
Point3D point = new Point3D(1, 2, 3);
Path path = new Path();
//Add two points to the path
path.AddPoint(point);
path.AddPoint(Point3D.Point0);
//Save the path
PathStorage.SavePath(path);
Path someOtherPath = new Path();
//Add two points to the other path
someOtherPath.AddPoint(Point3D.Point0);
someOtherPath.AddPoint(point);
//Save the other path
PathStorage.SavePath(someOtherPath);
//Print all paths
List <Path> paths = PathStorage.LoadPath();
PathStorage.PrintPaths(paths);
}
static void Main()
{
// first create 3 points
Point3D p1 = new Point3D(1.3, 2.3, 3.1);
Point3D p2 = new Point3D(4.2, 2.8, -5);
Point3D p3 = new Point3D(1.1, 2.5, 11.7);
// calculate distance between first two points
Console.WriteLine("Distance between p1 and p2: {0}", CalcDistance.TwoPoints(p1, p2));
// create two test paths and save them to two files
Path testPath1 = new Path();
testPath1.AddPoint(p1);
testPath1.AddPoint(p2);
testPath1.AddPoint(p3);
PathStorage.SavePath(testPath1, "SavedTestPath1");
Path testPath2 = new Path();
testPath2.AddPoint(p3);
testPath2.AddPoint(p2);
testPath2.AddPoint(p1);
PathStorage.SavePath(testPath2, "SavedTestPath2");
// create third path and load its points from file of first path
Path testPath3 = new Path();
testPath3 = PathStorage.LoadPath("SavedTestPath1");
// save third path to SavedTestPath3.txt
PathStorage.SavePath(testPath3, "SavedTestPath3");
// SavedTestPath3.txt should be the same as SavedTestPath1.txt
try
{
testPath3 = PathStorage.LoadPath("NonExistentFile");
}
catch (Exception ex)
{
Console.WriteLine("An expected error occurred. Error message:\n{0}", ex.Message);
}
}