5.3 Render

using System;

namespace Lesson5_3
{
    public static class Render
    {
        public static void RenderUnit(int positionX , int positionY , char unit , ConsoleColor color = ConsoleColor.DarkGray)
        {
            Console.SetCursorPosition(positionX , positionY);
            Console.ForegroundColor = color;
            Console.Write(unit);
            Console.ResetColor();
        }
    }

    public class Unit
    {
        public int PositionX { get; private set; }
        public int PositionY { get; private set; }

        public char UnitChar { get; private set; }

        public Unit(char unitChar , int positionX = 0 , int positionY = 0)
        {
            PositionX = positionX;
            PositionY = positionY;
            UnitChar = unitChar;
        }

        public void StepUnit(int stepX , int stepY)
        {
            PositionX += stepX;
            PositionY += stepY;
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            Unit unit = new Unit('?' , 9 , 9);

            bool end = false;

            Console.CursorVisible = false;

            do
            {
                Render.RenderUnit(unit.PositionX , unit.PositionY , unit.UnitChar , ConsoleColor.Green);

                ConsoleKeyInfo userInput = Console.ReadKey();

                switch (userInput.Key)
                {
                    case ConsoleKey.UpArrow:
                        unit.StepUnit(0 , -1);
                        break;
                    case ConsoleKey.DownArrow:
                        unit.StepUnit(0 , 1);
                        break;
                    case ConsoleKey.LeftArrow:
                        unit.StepUnit(-1 , 0);
                        break;
                    case ConsoleKey.RightArrow:
                        unit.StepUnit(1 , 0);
                        break;
                    case ConsoleKey.Spacebar:
                    case ConsoleKey.Enter:
                    case ConsoleKey.Escape:
                        end = true;
                        break;
                }
                Console.Clear();
            }
            while (!end);
        }
    }
}