diff options
| -rw-r--r-- | engine/src/windowing/keyboard.rs | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/engine/src/windowing/keyboard.rs b/engine/src/windowing/keyboard.rs index 0bb70a7..5a31e7c 100644 --- a/engine/src/windowing/keyboard.rs +++ b/engine/src/windowing/keyboard.rs @@ -38,6 +38,19 @@ impl Keyboard self.get_key_state(key) == KeyState::Released } + /// Returns a iterator of key & key state pairs where each of the keys have a + /// different state than they had the previous frame. + pub fn new_key_states(&self) -> impl Iterator<Item = (Key, KeyState)> + use<'_> + { + self.map.iter().filter_map(|(key, key_data)| { + if key_data.curr_state == key_data.previous_state { + return None; + } + + Some((*key, key_data.curr_state)) + }) + } + #[must_use] pub fn get_key_state(&self, key: Key) -> KeyState { |