Added State and App Structs

src/main.rs

@@ -1,3 +1,53 @@
-fn main() {
-    println!("Hello, world!");
+use std::sync::Arc;
+
+use winit::{
+    application::ApplicationHandler, event::*, event_loop::{ActiveEventLoop, EventLoop}, keyboard::{KeyCode, PhysicalKey}, window::Window
+};
+
+#[cfg(target_arch = "wasm32")]
+use wasm_bindgen::prelude::*;
+#[cfg(target_arch = "wasm32")]
+use winit::platform::web::EventLoopExtWebSys;
+
+// This will store the state of our game
+pub struct State {
+    window: Arc<Window>,
+}
+
+impl State {
+    // We don't need this to be async right now,
+    // but we will in the next tutorial
+    pub async fn new(window: Arc<Window>) -> anyhow::Result<Self> {
+        Ok(Self {
+            window,
+        })
+    }
+
+    pub fn resize(&mut self, _width: u32, _height: u32) {
+        // We'll do stuff here in the next tutorial
+    }
+    
+    pub fn render(&mut self) {
+        self.window.request_redraw();
+
+        // We'll do more stuff here in the next tutorial
+    }
+}
+
+pub struct App {
+    #[cfg(target_arch = "wasm32")]
+    proxy: Option<winit::event_loop::EventLoopProxy<State>>,
+    state: Option<State>,
+}
+
+impl App {
+    pub fn new(#[cfg(target_arch = "wasm32")] event_loop: &EventLoop<State>) -> Self {
+        #[cfg(target_arch = "wasm32")]
+        let proxy = Some(event_loop.create_proxy());
+        Self {
+            state: None,
+            #[cfg(target_arch = "wasm32")]
+            proxy,
+        }
+    }
 }