Create Draw Method in RainOperation Class

Author: Sullivan008

MatrixRain.Console/Program.cs

@@ -15,8 +15,7 @@ private static void Main(string[] args)
             RainOperation rainOperation = new RainOperation(consoleOperation);
 
             rainOperation.MatrixInitialize();
-
-            System.Console.ReadKey();
+            rainOperation.Draw();
         }
     }
 }

MatrixRain.Console/bin/Debug/MatrixRain.Console.exe

@@ -17,13 +17,23 @@ public class ConsoleOperation
 
         private static IntPtr _thisConsole;
 
+        private readonly Random _random;
+
+        private char GetRandomChar { get { return GenerateRandomChar(); } }
+
         public int ConsoleWidth { get { return System.Console.WindowWidth; } }
 
         public int ConsoleHeight { get { return System.Console.WindowHeight; } }
 
+        public ConsoleColor SetConsoleForeground { set => System.Console.ForegroundColor = value; }
+
+        public ConsoleColor GetConsoleForeground { get => System.Console.ForegroundColor; }
+
         public ConsoleOperation()
         {
             _thisConsole = GetConsoleWindow();
+
+            _random = new Random();
         }
 
         public void Initialize()
@@ -40,13 +50,45 @@ public void Show()
             ShowWindow(_thisConsole, MAXIMIZE_CODE);
         }
 
-        public void SetCursorPosition()
+        public void SetCursorPosition(int xAxisPosition, int yAxisPosition)
         {
+            System.Console.SetCursorPosition(xAxisPosition, yAxisPosition);
+        }
 
+        public void WriteCharacter(bool isRandom = false, bool isWhiteSpace = false)
+        {
+            if (isRandom && !isWhiteSpace)
+            {
+                System.Console.Write(GetRandomChar);
+            }
+            else if (!isRandom && isWhiteSpace)
+            {
+                System.Console.Write(' ');
+            }
         }
 
         #region PRIVATE Helper Methods
+        private char GenerateRandomChar()
+        {
+            int randomCharKeyCode = _random.Next(10);
+
+            if (randomCharKeyCode <= 2)
+            {
+                return (char)('0' + _random.Next(10));
+            }
 
+            if (randomCharKeyCode <= 4)
+            {
+                return (char)('a' + _random.Next(27));
+            }
+
+            if (randomCharKeyCode <= 6)
+            {
+                return (char)('A' + _random.Next(27));
+            }
+
+            return (char)(_random.Next(32, 255));
+        }
         #endregion
     }
 }

MatrixRain.Console/bin/Debug/MatrixRain.Console.pdb

@@ -1,4 +1,5 @@
-using MatrixRain.Core.Operations.Console;
+using MatrixRain.Core.Common;
+using MatrixRain.Core.Operations.Console;
 using System;
 
 namespace MatrixRain.Core.Operations.Rain
@@ -32,13 +33,70 @@ public void MatrixInitialize()
             int heightFirstSection = _height / 2;
             int heightSecondSection = heightFirstSection / 2;
 
-            for(int i = 0; i < _width; i++)
+            for (int i = 0; i < _width; i++)
             {
                 _yAxisFirstSection[i] = _random.Next(_height);
                 _yAxisSecondSection[i] =
                     _random.Next(heightSecondSection * (i % 11 != 10 ? 2 : 1),
                                  heightFirstSection * (i % 11 != 10 ? 2 : 1));
             }
         }
+
+        public void Draw()
+        {
+            while (true)
+            {
+                DrawCharacters();
+            }
+        }
+
+        #region PRIVATE Helper Methods
+        private void DrawCharacters()
+        {
+            for (int i = 0; i < _width; ++i)
+            {
+                if (i % 11 == 10)
+                {
+                    _consoleOperation.SetConsoleForeground = ConsoleColors.DarkGray;
+                }
+                else
+                {
+                    _consoleOperation.SetConsoleForeground = ConsoleColors.DarkGreen;
+                }
+
+                _consoleOperation.SetCursorPosition(i,
+                    GetYAxisPosition(_yAxisFirstSection[i] - 2 - (_yAxisSecondSection[i] / 40 * 2), _height));
+
+                _consoleOperation.WriteCharacter(true, false);
+
+                if (_consoleOperation.GetConsoleForeground == ConsoleColors.DarkGreen)
+                {
+                    _consoleOperation.SetConsoleForeground = ConsoleColors.Green;
+                }
+                else if (_consoleOperation.GetConsoleForeground == ConsoleColors.DarkGray)
+                {
+                    _consoleOperation.SetConsoleForeground = ConsoleColors.White;
+                }
+
+                _consoleOperation.SetCursorPosition(i, GetYAxisPosition(_yAxisFirstSection[i] + 1, _height));
+                _consoleOperation.WriteCharacter(true, false);
+
+                _yAxisFirstSection[i] = GetYAxisPosition(_yAxisFirstSection[i] + 1, _height);
+
+                _consoleOperation.SetCursorPosition(i,
+                    GetYAxisPosition(_yAxisFirstSection[i] - _yAxisSecondSection[i], _height));
+                _consoleOperation.WriteCharacter(false, true);
+
+                _consoleOperation.SetConsoleForeground = ConsoleColors.Green;
+            }
+        }
+
+        private int GetYAxisPosition(int yAxisPosition, int height)
+        {
+            yAxisPosition %= height;
+
+            return yAxisPosition < 0 ? (yAxisPosition + height) : yAxisPosition;
+        }
+        #endregion
     }
 }