messing around with imgui

src/main.rs

@@ -8,7 +8,10 @@ const SCR_WIDTH: u32 = 1600;
 const SCR_HEIGHT: u32 = 900;
 const TITLE: &str = "GLFWtest";
 
-
+enum gameState {
+    Paused,
+    Playing
+}
 
 
 use imgui_glow_renderer::AutoRenderer;
@@ -59,6 +62,7 @@ fn main() {
                 Ok(ret) => ret,
                 Err(s) => panic!("Error with Initializing SDL Context: {}", s)
             };
+
         let gl = std::sync::Arc::new(unsafe{glow::Context::from_loader_function(|s| video.gl_get_proc_address(s) as *const _)});
 
         let event_loop = match sdl.event_pump()
@@ -113,13 +117,29 @@ fn main() {
     };
 
 
+
+    let mut State = gameState::Playing;
+
+
+
     let time = std::time::Instant::now();
     let mut spinSpeed = 1.0;
     let mut current_rad = 1.0;
     let projection: Matrix4<f32> = perspective(Deg(45.0), SCR_WIDTH as f32/ SCR_HEIGHT as f32, 0.1, 100.0);
+
+
+
     println!("entering main loop");
+
+
+
+
+
     // NOTE main loop here
-    'running: loop {
+
+    'main: loop {
+        match &State {
+            gameState::Playing => {
                 let currentFrame = time.elapsed().as_secs_f32();
                 deltaTime = currentFrame - lastFrame;
                 lastFrame = currentFrame;
@@ -160,8 +180,10 @@ fn main() {
                       ui.slider("The Spin Speed", 0.1, 10.0, &mut spinSpeed);
                   });
 
+                drawDebugUI(ui, &ourModel);
                 let draw_data = imgui.render();
 
+
                 renderer.render(draw_data).unwrap();
 
 
@@ -173,10 +195,49 @@ fn main() {
                     match event {
                         Event::Quit {..} |
                         Event::KeyDown { keycode: Some(Keycode::Escape), .. } => {
-                    break 'running
+                            break 'main
                         },
+                        Event::KeyDown {keycode: Some(Keycode::P), ..} => {
+                            State = gameState::Paused;
+                        }
                         _ => {}
                     }
                 }
             }
+
+            gameState::Paused => {
+
+                for event in events_loop.poll_iter() {
+                    platform.handle_event(&mut imgui, &event);
+
+                    match event {
+                        Event::KeyDown {keycode: Some(Keycode::P), ..} => {
+                            State = gameState::Playing;
+                        }
+                        _ => {}
+                    }
+                }
+            }
+        }
+    }
+}
+
+
+fn drawDebugUI(ui: &imgui::Ui, model: &model::Model) {
+    ui.window("Stats")
+        .size([300.0,500.0], imgui::Condition::Always)
+        .build(|| {
+            ui.text("Model Information");
+            ui.separator();
+            ui.text(format!("count meshes: {}", model.meshes.len()));
+            for i in 0..model.meshes.len()
+                {
+                    ui.text(format!("Mesh Number: {}",i ));
+                    ui.text(format!("count vertices: {}", model.meshes[i].vertices.len()));
+                    ui.separator();
+                }
+
+        });
+
+
 }