Imrpoved component structure

examples/cube.rs

@@ -3,8 +3,6 @@ pub mod components;
 use osmium::{renderer::Point, terminal};
 
 fn main() {
-    terminal::hide_cursor().unwrap();
-
     let engine = osmium::init();
 
     let my_rect = engine.entity(|r| {
@@ -15,6 +13,43 @@ fn main() {
 
     my_rect.component(components::Velocity(Point { x: 0, y: 0 }));
 
+    components::threads::tick(&engine);
+    components::threads::key(&engine);
+
+    engine.on_event({
+        let my_rect = my_rect.clone();
+        move |e: &crossterm::event::Event| {
+            if let Some(key_event) = e.as_key_event() {
+                match key_event.code {
+                    crossterm::event::KeyCode::Right => {
+                        my_rect.update_component(|c: &mut components::Velocity| {
+                            c.0.x = 100;
+                        });
+                    }
+                    crossterm::event::KeyCode::Left => {
+                        my_rect.update_component(|c: &mut components::Velocity| {
+                            c.0.x = -100;
+                        });
+                    }
+
+                    crossterm::event::KeyCode::Down => {
+                        my_rect.update_component(|c: &mut components::Velocity| {
+                            c.0.y = 100;
+                        });
+                    }
+                    crossterm::event::KeyCode::Up => {
+                        my_rect.update_component(|c: &mut components::Velocity| {
+                            c.0.y = -100;
+                        });
+                    }
+                    _ => {}
+                }
+            }
+        }
+    });
+
+    terminal::hide_cursor().unwrap();
+
     engine.start();
 
     terminal::show_cursor().unwrap();