Snake speed options (#87)

dotnet · Oct 17, 2023 · 0eb8e52 · 0eb8e52
1 parent b490e31
commit 0eb8e52
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Showing 2 changed files with 52 additions and 14 deletions.
diff --git 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
@@ -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,
  }
+
 }