From 0eb8e525c728b6b984f5ec20067de2d5625e9ce2 Mon Sep 17 00:00:00 2001
From: Alex JL <78103379+alexsrk09@users.noreply.github.com>
Date: Tue, 17 Oct 2023 17:47:06 +0200
Subject: [PATCH] Snake speed options (#87)

---
 Projects/Snake/Program.cs             | 33 +++++++++++++++++++++------
 Projects/Website/Games/Snake/Snake.cs | 33 +++++++++++++++++++++------
 2 files changed, 52 insertions(+), 14 deletions(-)

diff --git a/Projects/Snake/Program.cs b/Projects/Snake/Program.cs
index 80b37ae8..63fecca1 100644
--- a/Projects/Snake/Program.cs
+++ b/Projects/Snake/Program.cs
@@ -2,9 +2,27 @@
 using System.Collections.Generic;
 
 Exception? exception = null;
-
+int speedInput;
+string prompt = $"Select speed [1], [2] (default), or [3]: ";
+string? input;
+Console.Write(prompt);
+while (!int.TryParse(input = Console.ReadLine(), out speedInput) || speedInput < 1 || 3 < speedInput)
+{
+	if (string.IsNullOrWhiteSpace(input))
+	{
+		speedInput = 2;
+		break;
+	}
+	else
+	{
+		Console.WriteLine("Invalid Input. Try Again...");
+		Console.Write(prompt);
+	}
+}
+int[] velocities = { 100, 70, 50 };
+int velocity = velocities[speedInput - 1];
 char[] DirectionChars = { '^', 'v', '<', '>', };
-TimeSpan sleep = TimeSpan.FromMilliseconds(70);
+TimeSpan sleep = TimeSpan.FromMilliseconds(velocity);
 int width = Console.WindowWidth;
 int height = Console.WindowHeight;
 Random random = new();
@@ -53,7 +71,7 @@
 		Console.SetCursorPosition(X, Y);
 		Console.Write(DirectionChars[(int)direction!]);
 		snake.Enqueue((X, Y));
-		if (map[X, Y] == Tile.Food)
+		if (map[X, Y] is Tile.Food)
 		{
 			PositionFood();
 		}
@@ -85,14 +103,15 @@
 }
 
 void GetDirection()
+// takes direction from arrow keys
 {
 	switch (Console.ReadKey(true).Key)
 	{
-		case ConsoleKey.UpArrow:    direction = Direction.Up; break;
-		case ConsoleKey.DownArrow:  direction = Direction.Down; break;
-		case ConsoleKey.LeftArrow:  direction = Direction.Left; break;
+		case ConsoleKey.UpArrow: direction = Direction.Up; break;
+		case ConsoleKey.DownArrow: direction = Direction.Down; break;
+		case ConsoleKey.LeftArrow: direction = Direction.Left; break;
 		case ConsoleKey.RightArrow: direction = Direction.Right; break;
-		case ConsoleKey.Escape:     closeRequested = true; break;
+		case ConsoleKey.Escape: closeRequested = true; break;
 	}
 }
 
diff --git a/Projects/Website/Games/Snake/Snake.cs b/Projects/Website/Games/Snake/Snake.cs
index 2b8403db..6276e6da 100644
--- a/Projects/Website/Games/Snake/Snake.cs
+++ b/Projects/Website/Games/Snake/Snake.cs
@@ -11,9 +11,27 @@ public class Snake
 	public async Task Run()
 	{
 		Exception? exception = null;
-
+		int speedInput;
+		string prompt = $"Select speed [1], [2] (default), or [3]: ";
+		string? input;
+		await Console.Write(prompt);
+		while (!int.TryParse(input = await Console.ReadLine(), out speedInput) || speedInput < 1 || 3 < speedInput)
+		{
+			if (string.IsNullOrWhiteSpace(input))
+			{
+				speedInput = 2;
+				break;
+			}
+			else
+			{
+				await Console.WriteLine("Invalid Input. Try Again...");
+				await Console.Write(prompt);
+			}
+		}
+		int[] velocities = { 50, 35, 20 };
+		int velocity = velocities[speedInput - 1];
 		char[] DirectionChars = { '^', 'v', '<', '>', };
-		TimeSpan sleep = TimeSpan.FromMilliseconds(35);
+		TimeSpan sleep = TimeSpan.FromMilliseconds(velocity);
 		int width = Console.WindowWidth;
 		int height = Console.WindowHeight;
 		Random random = new();
@@ -64,7 +82,7 @@ public async Task Run()
 				await Console.SetCursorPosition(X, Y);
 				await Console.Write(DirectionChars[(int)direction!]);
 				snake.Enqueue((X, Y));
-				if (map[X, Y] == Tile.Food)
+				if (map[X, Y] is Tile.Food)
 				{
 					await PositionFood();
 				}
@@ -100,11 +118,11 @@ async Task GetDirection()
 		{
 			switch ((await Console.ReadKey(true)).Key)
 			{
-				case ConsoleKey.UpArrow:    direction = Direction.Up; break;
-				case ConsoleKey.DownArrow:  direction = Direction.Down; break;
-				case ConsoleKey.LeftArrow:  direction = Direction.Left; break;
+				case ConsoleKey.UpArrow: direction = Direction.Up; break;
+				case ConsoleKey.DownArrow: direction = Direction.Down; break;
+				case ConsoleKey.LeftArrow: direction = Direction.Left; break;
 				case ConsoleKey.RightArrow: direction = Direction.Right; break;
-				case ConsoleKey.Escape:     closeRequested = true; break;
+				case ConsoleKey.Escape: closeRequested = true; break;
 			}
 		}
 
@@ -143,4 +161,5 @@ enum Tile
 		Snake,
 		Food,
 	}
+
 }