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- /*
- 1.Создать абстрактный класс Figure с методами вычисления площади и периметра, а также методом, выводящим информацию о фигуре на экран.
- 2.Создать производные классы: Rectangle (прямоугольник), Circle (круг), Triangle (треугольник) со своими методами вычисления площади и периметра.
- 3.Создать массив n фигур и вывести полную информацию о фигурах на экран.
- */
- using System;
- using System.Collections.Generic;
- using System.Linq;
- using System.Runtime.CompilerServices;
- using System.Runtime.InteropServices;
- using System.Text;
- using System.Threading.Tasks;
- using Microsoft.Win32;
- namespace prakt_10
- {
- abstract public class Figure
- {
- abstract public double Area(); // get area
- abstract public double Perimeter(); //get perimetr
- abstract public void Show(); //show information
- }
- class Trangle : Figure
- {
- private readonly string name = "Trangle";
- private int x1, y1;
- private int x2, y2;
- private int x3, y3;
- public Trangle(int x1, int y1, int x2, int y2, int x3, int y3)
- {
- this.x1 = x1;
- this.y1 = y1;
- this.x2 = x2;
- this.y2 = y2;
- this.x3 = x3;
- this.y3 = y3;
- }
- public int lengthSegment(int x1, int y1, int x2, int y2)
- {
- return ((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1));
- }
- public override double Area()
- {
- int segment1 = lengthSegment(this.x2, this.x1, this.y1, this.y2);
- int segment2 = lengthSegment(this.x3, this.x2, this.y3, this.y2);
- int segment3 = lengthSegment(this.x1, this.x3, this.y1, this.y3);
- double pPerimetr = segment3 + segment1 + segment2;
- return pPerimetr * Math.Sqrt((pPerimetr - segment1) * (pPerimetr - segment2) * (pPerimetr - segment3));
- }
- public override double Perimeter()
- {
- int segment1 = lengthSegment(this.x2, this.x1, this.y1, this.y2);
- int segment2 = lengthSegment(this.x3, this.x2, this.y3, this.y2);
- int segment3 = lengthSegment(this.x1, this.x3, this.y1, this.y3);
- return segment2 + segment1 + segment3;
- }
- public override void Show()
- {
- Console.WriteLine("Name figure:{0}", this.name);
- Console.WriteLine("Point coordinates:");
- Console.WriteLine("Point 1: ({0};{1})", this.x1, this.y1);
- Console.WriteLine("Point 2: ({0};{1})", this.x2, this.y2);
- Console.WriteLine("Point 3: ({0};{1})", this.x3, this.y3);
- Console.WriteLine("Length of a segment: {0}, {1}, {2}, area: {3}, perimetr: {4}",
- this.lengthSegment(this.x2, this.x1, this.y1, this.y2),
- this.lengthSegment(this.x3, this.x2, this.y3, this.y2),
- this.lengthSegment(this.x1, this.x3, this.y1, this.y3),
- this.Area(), this.Perimeter());
- }
- }
- class Rectangle : Figure
- {
- private readonly string name = "Rectangle";
- private int x1, y1;
- private int x2, y2;
- private int x3, y3;
- private int x4, y4;
- public Rectangle(int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4)
- {
- this.x1 = x1;
- this.y1 = y1;
- this.x2 = x2;
- this.y2 = y2;
- this.x3 = x3;
- this.y3 = y3;
- this.x4 = x4;
- this.y4 = y4;
- }
- public int lengthSegment(int x1, int y1, int x2, int y2)
- {
- return ((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1));
- }
- public override double Area()
- {
- int segment1 = lengthSegment(this.x2, this.x1, this.y1, this.y2);
- int segment2 = lengthSegment(this.x3, this.x2, this.y3, this.y2);
- return (segment2 * segment1);
- }
- public override double Perimeter()
- {
- int segment1 = lengthSegment(this.x2, this.x1, this.y1, this.y2);
- int segment2 = lengthSegment(this.x3, this.x2, this.y3, this.y2);
- return ((segment2 + segment1) * 2);
- }
- public override void Show()
- {
- Console.WriteLine("Name figure:{0}", this.name);
- Console.WriteLine("Point coordinates:");
- Console.WriteLine("Point 1: ({0};{1})", this.x1, this.y1);
- Console.WriteLine("Point 2: ({0};{1})", this.x2, this.y2);
- Console.WriteLine("Point 3: ({0};{1})", this.x3, this.y3);
- Console.WriteLine("Point 4: ({0};{1})", this.x4, this.y4);
- Console.WriteLine("Length of a segment: length {0}, width: {1}, area: {2}, perimetr: {3}",
- this.lengthSegment(this.x2, this.x1, this.y1, this.y2),
- this.lengthSegment(this.x3, this.x2, this.y3, this.y2),
- this.Area(), this.Perimeter());
- }
- }
- class Circle : Figure
- {
- private readonly string name = "Circle";
- private int x, y;
- private double radius;
- public Circle(int x, int y, int radius)
- {
- this.x = x;
- this.y = y;
- this.radius = radius;
- }
- public override double Area()
- {
- return Math.PI * this.radius * this.radius;
- }
- public override double Perimeter()
- {
- return Math.PI * this.radius * 2;
- }
- public override void Show()
- {
- Console.WriteLine("Name figure:{0}", this.name);
- Console.WriteLine("Point coordinates:");
- Console.WriteLine("Point: ({0};{1})", this.x, this.y);
- Console.WriteLine("Area: {0}, perimetr: {1}", this.Area(), this.Perimeter());
- }
- }
- class Programm
- {
- static void Main(string[] args)
- {
- int x1 = int.Parse(Console.ReadLine());
- int y1 = int.Parse(Console.ReadLine());
- int x2 = int.Parse(Console.ReadLine());
- int y2 = int.Parse(Console.ReadLine());
- int x3 = int.Parse(Console.ReadLine());
- int y3 = int.Parse(Console.ReadLine());
- int x4 = int.Parse(Console.ReadLine());
- int y4 = int.Parse(Console.ReadLine());
- Rectangle R1 = new Rectangle(x1, y1, x2, y2, x3, y3, x4, y4);
- R1.Show();
- Console.ReadKey();
- }
- }
- }
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