Configurations that allow user to control the screen size for the game. (#25)

* Configurations that allow user to control the screen size for the game.

* fix formatting issues

* mutable error

* brought back allow unused mut

---------

Co-authored-by: alejandrade <alejandrade+noreply@users.noreply.github.com>

Author: alejandrade

crates/egor_app/src/lib.rs

@@ -15,12 +15,18 @@ use crate::{input::Input, time::FrameTimer};
 
 pub struct AppConfig {
     pub title: String,
+    pub width: u32,
+    pub height: u32,
+    pub resizable: bool,
 }
 
 impl Default for AppConfig {
     fn default() -> Self {
         Self {
             title: "Egor App".to_string(),
+            width: 800,
+            height: 600,
+            resizable: true,
         }
     }
 }
@@ -66,15 +72,21 @@ impl<R, H: AppHandler<R> + 'static> ApplicationHandler<(R, H)> for AppRunner<R,
         // Called when window is ready; initializes the resource async (wasm) or sync (native)
         if let Some(proxy) = self.proxy.take() {
             let win_attrs = {
+                use winit::dpi::PhysicalSize;
+
+                #[allow(unused_mut)]
+                let mut attrs = Window::default_attributes()
+                    .with_title(&self.config.title)
+                    .with_inner_size(PhysicalSize::new(self.config.width, self.config.height))
+                    .with_resizable(self.config.resizable);
+
                 #[cfg(target_arch = "wasm32")]
                 {
                     use winit::platform::web::WindowAttributesExtWebSys;
-                    Window::default_attributes()
-                        .with_title(&self.config.title)
-                        .with_append(true)
+                    attrs = attrs.with_append(true);
                 }
-                #[cfg(not(target_arch = "wasm32"))]
-                Window::default_attributes().with_title(&self.config.title)
+
+                attrs
             };
             let window = Arc::new(event_loop.create_window(win_attrs).unwrap());
             self.window = Some(window.clone());

crates/egor_glue/src/app.rs

@@ -47,6 +47,23 @@ impl App {
         self
     }
 
+    /// Set window size (width, height in pixels)
+    pub fn screen_size(mut self, width: u32, height: u32) -> Self {
+        if let Some(c) = self.config.as_mut() {
+            c.width = width;
+            c.height = height;
+        }
+        self
+    }
+
+    /// Enable or disable window resizing (defaults to true)
+    pub fn resizable(mut self, resizable: bool) -> Self {
+        if let Some(c) = self.config.as_mut() {
+            c.resizable = resizable;
+        }
+        self
+    }
+
     /// Enable or disable vsync
     pub fn vsync(mut self, enabled: bool) -> Self {
         self.vsync = enabled;