add vim keybindings

README.md

@@ -33,9 +33,9 @@ There is one file for linux and one for windows (.exe).
 - run the game: `./binbreak-linux`
 
 ## Controls
-- use the arrow keys for navigation
+- use the arrow or vim keys for navigation
 - press Enter to confirm choices
-- press Esc to exit a game mode or the game. CTRL+C also works to exit the game.
+- press Esc or Q to exit a game mode or the game. CTRL+C also works to exit the game.
 
 ## Recommended terminals
 The game should run fine in any terminal. If you want retro CRT effects, here are some recommendations:

src/keybinds.rs

@@ -1,19 +1,19 @@
 use crossterm::event::{KeyCode, KeyEvent};
 
 pub(crate) fn is_up(key: KeyEvent) -> bool {
-    matches!(key.code, KeyCode::Up)
+    matches!(key.code, KeyCode::Up | KeyCode::Char('k'))
 }
 
 pub(crate) fn is_down(key: KeyEvent) -> bool {
-    matches!(key.code, KeyCode::Down)
+    matches!(key.code, KeyCode::Down | KeyCode::Char('j'))
 }
 
 pub(crate) fn is_left(key: KeyEvent) -> bool {
-    matches!(key.code, KeyCode::Left)
+    matches!(key.code, KeyCode::Left | KeyCode::Char('h'))
 }
 
 pub(crate) fn is_right(key: KeyEvent) -> bool {
-    matches!(key.code, KeyCode::Right)
+    matches!(key.code, KeyCode::Right | KeyCode::Char('l'))
 }
 
 pub(crate) fn is_select(key: KeyEvent) -> bool {
@@ -21,5 +21,5 @@ pub(crate) fn is_select(key: KeyEvent) -> bool {
 }
 
 pub(crate) fn is_exit(key: KeyEvent) -> bool {
-    matches!(key.code, KeyCode::Esc)
+    matches!(key.code, KeyCode::Esc | KeyCode::Char('q' | 'Q'))
 }