fix plugin shit

src/main.rs

@@ -1,12 +1,11 @@
 use asset_loading::ImageAssets;
 use bevy::prelude::*;
-use physics_plugin::PhysicsPlugin;
 
 mod asset_loading;
 mod bevy_plugin;
 mod level_instantiation;
 mod main_menu;
-mod physics_plugin;
+mod physics;
 mod player;
 
 fn main() {
@@ -14,9 +13,9 @@ fn main() {
         .add_plugins((
             bevy_plugin::plugin,
             asset_loading::plugin,
-            player::plugin,
+            physics::plugin,
-            PhysicsPlugin,
             level_instantiation::map_plugin,
+            player::plugin,
             main_menu::plugin,
         ))
         .init_state::<GameState>()

src/physics.rs

@@ -20,12 +20,12 @@ pub struct PreviousPhysicalTranslation(pub Vec3);
 #[derive(Debug, Component, Clone, Copy, PartialEq, Default, Deref, DerefMut)]
 pub struct AccumulatedInput(pub Vec3);
 
-pub struct PhysicsPlugin;
+pub fn plugin(app: &mut App) {
-impl Plugin for PhysicsPlugin {
+    app.add_systems(
-    fn build(&self, app: &mut App) {
+        RunFixedMainLoop,
-        app.add_systems(RunFixedMainLoop, interpolate_rendered_transform.in_set(RunFixedMainLoopSystem::AfterFixedMainLoop))
+        interpolate_rendered_transform.in_set(RunFixedMainLoopSystem::AfterFixedMainLoop),
+    )
     .add_systems(FixedUpdate, step);
-    }
 }
 
 pub fn interpolate_rendered_transform(

src/player.rs

@@ -1,8 +1,6 @@
 use crate::{
     GameState,
-    physics_plugin::{
+    physics::{AccumulatedInput, PhysicalTranslation, PreviousPhysicalTranslation, Velocity},
-        AccumulatedInput, PhysicalTranslation, PreviousPhysicalTranslation, Velocity,
-    },
 };
 use bevy::{
     input::mouse::AccumulatedMouseMotion, pbr::NotShadowCaster, prelude::*,