C# console game

csharp-console-game

using System;

Random random = new Random();
Console.CursorVisible = false;
int height = Console.WindowHeight - 1;
int width = Console.WindowWidth - 5;
Console.WriteLine($"Height: {height}, Width: {width}");
bool shouldExit = false;

// Console position of the player
int playerX = 0;
int playerY = 0;

// Console position of the food
int foodX = 0;
int foodY = 0;

// Available player and food strings
string[] states = {"('-')", "(^-^)", "(X_X)"};
string[] foods = {"@@@@@", "$$$$$", "#####"};

// Current player string displayed in the Console
string player = states[0];

// Index of the current food
int food = 0;

InitializeGame();
while (!shouldExit) 
{
	Move(true, true);
	if (TerminalResized()) {
		Console.Clear();
		shouldExit = true;
		Console.WriteLine("Console was resized. Program exiting.");
	}
}

// Returns true if the Terminal was resized 
bool TerminalResized() 
{
	return height != Console.WindowHeight - 1 || width != Console.WindowWidth - 5;
}

// Displays random food at a random location
void ShowFood() 
{
	// Update food to a random index
	food = random.Next(0, foods.Length);

	// Update food position to a random location
	foodX = random.Next(0, width - player.Length);
	foodY = random.Next(0, height - 1);

	// Display the food at the location
	Console.SetCursorPosition(foodX, foodY);
	Console.Write(foods[food]);
}

// Changes the player to match the food consumed
void ChangePlayer()
{
	player = states[food];
	Console.SetCursorPosition(playerX, playerY);
	Console.Write(player);

	if (IsPlayerUnconscious()) {
		FreezePlayer();
	}
}

// Temporarily stops the player from moving
void FreezePlayer()
{
	System.Threading.Thread.Sleep(1000);
	player = states[0];
}

bool PlayerConsumedFood() {
	return (playerX == foodX && playerY == foodY);
}

bool IsPlayerUnconscious() {
	return (player == "(X_X)");
}

bool IsPlayerHappy() {
	return (player == "(^-^)");
}

// Reads directional input from the Console and moves the player
void Move(bool nondirectional = false, bool fastSpeed = false)
{
	int lastX = playerX;
	int lastY = playerY;
	int movespeed;

	if (fastSpeed && (IsPlayerHappy())) {
		movespeed = 3;
	} else {
		movespeed = 1;
	}

	switch (Console.ReadKey(true).Key) 
	{
		case ConsoleKey.UpArrow:
			playerY--;
			break;
		case ConsoleKey.DownArrow:
			playerY++;
			break;
		case ConsoleKey.LeftArrow:
			playerX -= movespeed;
			break;
		case ConsoleKey.RightArrow:
			playerX += movespeed;
			break;
		case ConsoleKey.Escape:
			shouldExit = true;
			break;
		default:
			if (nondirectional) {
				shouldExit = true;
			}
			break;
	}

	// Clear the characters at the previous position
	Console.SetCursorPosition(lastX, lastY);
	for (int i = 0; i < player.Length; i++) 
	{
		Console.Write(" ");
	}

	// Keep player position within the bounds of the Terminal window
	playerX = (playerX < 0) ? 0 : (playerX >= width ? width : playerX);
	playerY = (playerY < 0) ? 0 : (playerY >= height ? height : playerY);

	// Draw the player at the new location
	Console.SetCursorPosition(playerX, playerY);
	Console.Write(player);

	if (PlayerConsumedFood()) {
		ChangePlayer();
		ShowFood();
	}
}

// Clears the console, displays the food and player
void InitializeGame() 
{
	Console.Clear();
	ShowFood();
	Console.SetCursorPosition(0, 0);
	Console.Write(player);
}