camera: Change camera to Camera3D

src/core/render/primitives/camera.rs

@@ -20,19 +20,27 @@ const OPENGL_TO_VULKAN_Y_AXIS_FLIP: Mat4 = Mat4 {
 };
 
 #[derive(Default)]
-pub struct Camera {
+pub struct Camera3D {
     projection: Mat4,
 
     position: Vec3,
     rotation: Vec3,
+    aspect_ratio: f32,
+    fov: f32,
+    near: f32,
+    far: f32,
 }
 
-impl Camera {
-    pub fn new(projection: Mat4) -> Self {
+impl Camera3D {
+    pub fn new(aspect_ratio: f32, fov: f32, near: f32, far: f32) -> Self {
         Self {
-            projection,
+            projection: Mat4::perspective_rh(fov, aspect_ratio, near, far),
             position: Vec3::ZERO,
             rotation: Vec3::ZERO,
+            aspect_ratio,
+            fov,
+            near,
+            far,
         }
     }
 
@@ -42,6 +50,7 @@ impl Camera {
         timer: &Timer,
         movement_speed: f32,
         camera_sensitivity: f32,
+        window_aspect_ratio: f32,
     ) {
         // Process camera rotation
         let camera_delta = camera_sensitivity * timer.delta_time();
@@ -70,6 +79,12 @@ impl Camera {
 
         let tz = input_manager.get_virtual_input_state("move_forward") * movement_delta;
         self.position += tz * forward;
+
+        if self.aspect_ratio != window_aspect_ratio {
+            self.aspect_ratio = window_aspect_ratio;
+            self.projection =
+                Mat4::perspective_rh(self.fov, self.aspect_ratio, self.near, self.far);
+        }
     }
 
     pub fn set_projection(&mut self, projection: Mat4) {

src/game/main_scene.rs

@@ -1,6 +1,6 @@
 use std::{error::Error, sync::Arc};
 
-use crate::core::render::primitives::camera::Camera;
+use crate::core::render::primitives::camera::Camera3D;
 use crate::core::render::texture::Texture;
 use crate::core::scene::Scene;
 use crate::core::scene::SceneContext;
@@ -21,7 +21,7 @@ use super::assets::square::Square;
 
 pub struct MainSceneState {
     square: Square,
-    camera: Camera,
+    camera: Camera3D,
     texture: Texture,
     speed: f32,
 }
@@ -43,12 +43,12 @@ impl Scene for MainScene {
             scene_context.swapchain_format,
         )?;
 
-        let camera = Camera::new(Mat4::perspective_rh(
-            std::f32::consts::FRAC_PI_2,
+        let camera = Camera3D::new(
             scene_context.aspect_ratio,
+            std::f32::consts::FRAC_PI_2,
             0.01,
             1000.0,
-        ));
+        );
 
         let mut uploads = AutoCommandBufferBuilder::primary(
             scene_context.command_buffer_allocator.clone(),
@@ -84,6 +84,7 @@ impl Scene for MainScene {
             &scene_context.timer,
             state.speed,
             10.0,
+            scene_context.aspect_ratio,
         );
 
         Ok(())