2 files changed, 42 insertions, 2 deletions

diff --git a/engine/src/windowing/keyboard.rs b/engine/src/windowing/keyboard.rs
index e4fffe5..a1c3e22 100644
--- a/engine/src/windowing/keyboard.rs
+++ b/engine/src/windowing/keyboard.rs
@@ -10,6 +10,34 @@ pub struct Keyboard
 
 impl Keyboard
 {
+    /// Returns whether the given key was just pressed this frame. This function will
+    /// return `false` if the key was also pressed the previous frame.
+    pub fn just_pressed(&self, key: Key) -> bool
+    {
+        self.get_key_state(key) == KeyState::Pressed
+            && self.get_prev_key_state(key) == KeyState::Released
+    }
+
+    /// Returns whether the given key was just released this frame. This function will
+    /// return `false` if the key was also released the previous frame.
+    pub fn just_released(&self, key: Key) -> bool
+    {
+        self.get_key_state(key) == KeyState::Released
+            && self.get_prev_key_state(key) == KeyState::Pressed
+    }
+
+    /// Returns whether the given key is currently pressed.
+    pub fn pressed(&self, key: Key) -> bool
+    {
+        self.get_key_state(key) == KeyState::Pressed
+    }
+
+    /// Returns whether the given key is currently released.
+    pub fn released(&self, key: Key) -> bool
+    {
+        self.get_key_state(key) == KeyState::Released
+    }
+
     #[must_use]
     pub fn get_key_state(&self, key: Key) -> KeyState
     {
diff --git a/engine/src/windowing/window.rs b/engine/src/windowing/window.rs
index 79b2102..627bdec 100644
--- a/engine/src/windowing/window.rs
+++ b/engine/src/windowing/window.rs
@@ -87,11 +87,12 @@ pub struct CreationReady;
 #[non_exhaustive]
 pub struct Window
 {
-    wid: Id,
     pub title: Cow<'static, str>,
     pub cursor_visible: bool,
     pub cursor_grab_mode: CursorGrabMode,
+    wid: Id,
     inner_size: Dimens<u32>,
+    scale_factor: f64,
 }
 
 impl Window
@@ -106,17 +107,23 @@ impl Window
         &self.inner_size
     }
 
+    pub fn scale_factor(&self) -> f64
+    {
+        self.scale_factor
+    }
+
     pub(crate) fn new(
         winit_window: &winit::window::Window,
         creation_attrs: &CreationAttributes,
     ) -> Self
     {
         Self {
-            wid: Id::from_inner(winit_window.id()),
             title: creation_attrs.title().to_string().into(),
             cursor_visible: true,
             cursor_grab_mode: CursorGrabMode::None,
+            wid: Id::from_inner(winit_window.id()),
             inner_size: winit_window.inner_size().into(),
+            scale_factor: winit_window.scale_factor(),
         }
     }
 
@@ -130,6 +137,11 @@ impl Window
     {
         self.inner_size = inner_size;
     }
+
+    pub(crate) fn set_scale_factor(&mut self, scale_factor: f64)
+    {
+        self.scale_factor = scale_factor;
+    }
 }
 
 #[derive(Debug, Component)]