Timing Module Update

- Implement a new timing module
- Utilize the new timing module in glium platform implementation for frame limiting and fixed engine updates timing.

game/src/main.rs

@@ -1,3 +1,4 @@
+use std::fmt::format;
 use glam::{Quat, Vec3};
 use raidillon_engine::{Engine, system::System};
 use raidillon_engine::system::SystemContext;
@@ -34,8 +35,8 @@ impl System for UpdateAspectRatioSystem {
 
 #[derive(Default)]
 struct RenderingTestSystem;
+
 impl System for RenderingTestSystem {
-    fn initialize(&mut self) {}
     fn load_world(&mut self, ctx: &mut SystemContext) {
         ctx.scene.world.spawn((Camera {
             eye:    Vec3::new(0.0, 0.0, 2.0),
@@ -61,9 +62,19 @@ impl System for RenderingTestSystem {
         ));
     }
 
-    fn update(&mut self, ctx: &mut SystemContext) {
-        ctx.debug_ui_buffer.borrow_mut().text("Hello World!".to_owned());
+    fn frame_update(&mut self, ctx: &mut SystemContext) {
+        let mut dbg_ui = ctx.debug_ui_buffer.borrow_mut();
+        dbg_ui.text("Hello World!".to_owned());
+        dbg_ui.text(format!("Frame Delta: {}", ctx.platform_context.time_ctx.frame_dt));
+        dbg_ui.text(format!("Fixed Delta: {}", ctx.platform_context.time_ctx.fixed_dt));
     }
+
+    fn fixed_update(&mut self, ctx: &mut SystemContext) {
+        ctx.scene.world.query_mut::<(&mut Transform, &ModelHandle)>().into_iter().for_each(|(_, (t, _))| {
+            t.rotation *= Quat::from_rotation_y(10.0 * ctx.platform_context.time_ctx.fixed_dt);
+        });
+    }
+
 }
 
 fn main() {