try to update the player colour based on mouse position (currently no…

…t working)

examples/tilemap.rs

@@ -46,8 +46,7 @@ fn main() -> gooey::Result {
             id: myself,
         })
         .tick(Tick::times_per_second(60, move |elapsed, input| {
-            // get mouse cursor position and subsequently get the object under
-            // the mouse
+            // get mouse cursor position and subsequently get the object under the cursor
 
             let mut direction = Point::new(0., 0.);
             if input.keys.contains(&Key::ArrowDown) {
@@ -65,11 +64,20 @@ fn main() -> gooey::Result {
 
             let one_second_movement = direction * TILE_SIZE.0 as f32;
 
+            let cursor_pos = input.mouse.pos;
+
             layers.map_mut(|layers| {
-                layers.1[myself].position += Point::new(
+                let pos = &mut layers.1[myself].position;
+                *pos += Point::new(
                     one_second_movement.x * elapsed.as_secs_f32(),
                     one_second_movement.y * elapsed.as_secs_f32(),
-                )
+                );
+
+                let rect = Rect::new(*pos, Size::new(16., 16.));
+                let color = match rect.cast().contains(cursor_pos) {
+                    true => Color::RED,
+                    false => Color::BLUE,
+                };
             });
         }));
 

src/tick.rs

@@ -5,6 +5,8 @@ use std::time::{Duration, Instant};
 
 use kludgine::app::winit::event::KeyEvent;
 use kludgine::app::winit::keyboard::Key;
+use kludgine::figures::Point;
+use kludgine::figures::units::Px;
 
 use crate::context::WidgetContext;
 use crate::value::Dynamic;
@@ -48,6 +50,11 @@ impl Tick {
         }
     }
 
+    pub fn set_cursor_position(&self, pos: Point<Px>) {
+        let mut state = self.data.state();
+        state.input.mouse.pos = pos;
+    }
+
     /// Returns a new tick that invokes `tick`, aiming to repeat at the given
     /// duration.
     pub fn new<F>(tick_every: Duration, tick: F) -> Self
@@ -62,6 +69,7 @@ impl Tick {
                 keep_running: true,
                 frame: 0,
                 input: InputState::default(),
+                mouse: None,
             }),
             period: tick_every,
             sync: Condvar::new(),
@@ -110,8 +118,15 @@ impl Tick {
 pub struct InputState {
     /// A collection of all keys currently pressed.
     pub keys: HashSet<Key>,
+    pub mouse: Mouse,
 }
 
+#[derive(Debug, Default)]
+pub struct Mouse {
+    pub pos: Point<Px>,
+}
+
+
 #[derive(Debug)]
 struct TickData {
     state: Mutex<TickState>,
@@ -136,6 +151,7 @@ struct TickState {
     keep_running: bool,
     frame: usize,
     input: InputState,
+    mouse: Option<Mouse>,
 }
 
 fn tick_loop<F>(data: &TickData, mut tick: F)

src/widgets/tilemap.rs

@@ -135,6 +135,10 @@ where
         let zoom = self.zoom;
         let world = tilemap::translate_coordinates(local, offset, scale, zoom, size);
 
+        if let Some(tick) = &self.tick {
+            tick.set_cursor_position(world);
+        }
+
         self.debug_output.as_ref().unwrap().set(format!("world: {world:?} | local: {local:?}"));
     }