Added Smooth ass leaning and crouching... Wow. Impressed.

src/comps/core/controller.rs

@@ -1,4 +1,4 @@
-use bevy::{prelude::*, window::CursorGrabMode};
+use bevy::prelude::*;
 use bevy_rapier3d::prelude::*;
 
 use crate::logic::core::player::player_movement::{
@@ -16,7 +16,7 @@ pub fn capture_input(
             &mut ExternalImpulse,
             &mut PlayerLinearYState,
             &mut PlayerLinearXZState,
-            &Transform,
+            &mut Transform,
             &mut Damping,
         ),
         With<Player>,
@@ -31,6 +31,8 @@ pub fn capture_input(
         KeyCode::W,
         KeyCode::C,
         KeyCode::Space,
+        KeyCode::Q,
+        KeyCode::E,
     ]) || keyboard_input.any_just_released([
         KeyCode::A,
         KeyCode::S,
@@ -38,6 +40,8 @@ pub fn capture_input(
         KeyCode::W,
         KeyCode::C,
         KeyCode::Space,
+        KeyCode::Q,
+        KeyCode::E,
     ]) {
         let player_movement_input = PlayerMovementInput {
             up: keyboard_input.just_pressed(KeyCode::Space),
@@ -53,29 +57,3 @@ pub fn capture_input(
         move_player(player_movement_input, player_query, time);
     }
 }
-
-pub fn capture_cursor(
-    mut windows: Query<&mut Window>,
-    btn: Res<Input<MouseButton>>,
-    key: Res<Input<KeyCode>>,
-) {
-    let mut window = windows.single_mut();
-
-    if btn.just_pressed(MouseButton::Left) {
-        // if you want to use the cursor, but not let it leave the window,
-        // use `Confined` mode:
-        // window.cursor.grab_mode = CursorGrabMode::Confined;
-
-        // for a game that doesn't use the cursor (like a shooter):
-        // use `Locked` mode to keep the cursor in one place
-        window.cursor.grab_mode = CursorGrabMode::Locked;
-        // also hide the cursor
-        window.cursor.visible = false;
-    }
-
-    if key.just_pressed(KeyCode::Escape) {
-        window.cursor.grab_mode = CursorGrabMode::None;
-        // also hide the cursor
-        window.cursor.visible = true;
-    }
-}

src/constants/player_values.rs

@@ -13,7 +13,7 @@ pub const PLAYER_GRAVITY_SCALE: f32 = 4.0;
 pub const PLAYER_HEIGHT: f32 = 2.5;
 pub const PLAYER_CAMERA_HEIGHT: f32 = 1.0;
 pub const PLAYER_CROUCH_HEIGHT: f32 = 0.0;
-pub const PLAYER_CROUCH_TIME_MS: u128 = 130;
+pub const PLAYER_CROUCH_TIME_S: f32 = 0.6;
 
 pub const PLAYER_LINEAR_DAMPING: f32 = 3.5;
 pub const PLAYER_LINEAR_DAMPING_WHILE_JUMPING: f32 = 0.25;

src/logic/core/player/camera_player_sync.rs

@@ -1,9 +1,9 @@
-use bevy::{input::mouse::MouseMotion, prelude::*};
+use bevy::{input::mouse::MouseMotion, prelude::*, window::CursorGrabMode};
 //use bevy_rapier3d::prelude::*;
 
 use crate::{
     comps::core::markers::{camera::MainCamera, player::Player},
-    constants::player_values::{PLAYER_CAMERA_HEIGHT, PLAYER_CROUCH_HEIGHT, PLAYER_CROUCH_TIME_MS},
+    constants::player_values::{PLAYER_CAMERA_HEIGHT, PLAYER_CROUCH_HEIGHT, PLAYER_CROUCH_TIME_S}, utils::rad_deg::radians_from_degrees,
 };
 
 use super::player_movement::PlayerLinearXZState;
@@ -39,29 +39,46 @@ pub fn update_camera_vertical_position(
 
     if let PlayerLinearXZState::Crouched(since) = player_linear_xz_state {
         // Lerp/Smooth out this movement
-        let delta = time.elapsed().as_millis() - since;
+        let delta = time.elapsed().as_secs_f32() - since;
-        if delta > PLAYER_CROUCH_TIME_MS {
+        camera_transform.translation = camera_transform.translation.lerp(Vec3 { x: camera_transform.translation.x, y: PLAYER_CROUCH_HEIGHT, z: camera_transform.translation.z },  (delta / PLAYER_CROUCH_TIME_S).clamp(0.0, 1.0));
-            camera_transform.translation.y = PLAYER_CROUCH_HEIGHT;
     } else {
-            // Starts at player_camera_height -> ends at player_crouch_height (Only works if player_crouch_height is 0)
+        // TODO: Add elapsed time to standup so that crouch time and standup time is the same.
-            camera_transform.translation.y =
+        camera_transform.translation = camera_transform.translation.lerp(Vec3 { x: camera_transform.translation.x, y: PLAYER_CAMERA_HEIGHT, z: camera_transform.translation.z },  time.delta_seconds().clamp(0.0, 1.0));
-                PLAYER_CAMERA_HEIGHT * (1.0 - (delta as f32 / PLAYER_CROUCH_TIME_MS as f32))
-        }
-    } else {
-        camera_transform.translation.y = PLAYER_CAMERA_HEIGHT;
     }
+
 }
 
 /// Handles looking around if cursor is locked
 pub fn follow_cursor_with_camera(
     settings: Res<MouseMovementSettings>,
-    primary_window: Query<&Window>,
+    mut primary_window: Query<&mut Window>,
     mut motions: EventReader<MouseMotion>,
     mut player_query: Query<&mut Transform, (With<Player>, Without<MainCamera>)>,
     mut camera_query: Query<&mut Transform, (With<MainCamera>, Without<Player>)>,
-    //time: Res<Time>,
+    keyboard_input: Res<Input<KeyCode>>,
+    btn: Res<Input<MouseButton>>,
+    time: Res<Time>,
 ) {
-    if let Ok(window) = primary_window.get_single() {
+    if let Ok(mut window) = primary_window.get_single_mut() {
+        if btn.just_pressed(MouseButton::Left) {
+            // if you want to use the cursor, but not let it leave the window,
+            // use `Confined` mode:
+            // window.cursor.grab_mode = CursorGrabMode::Confined;
+    
+            // for a game that doesn't use the cursor (like a shooter):
+            // use `Locked` mode to keep the cursor in one place
+            window.cursor.grab_mode = CursorGrabMode::Locked;
+            // also hide the cursor
+            window.cursor.visible = false;
+        }
+    
+        if keyboard_input.just_pressed(KeyCode::Escape) {
+            window.cursor.grab_mode = CursorGrabMode::None;
+            // also hide the cursor
+            window.cursor.visible = true;
+        }
+
+        if window.cursor.grab_mode != CursorGrabMode::None {
             for mut player_transform in player_query.iter_mut() {
                 let (mut yaw, mut pitch, _) = player_transform.rotation.to_euler(EulerRot::YXZ);
                 for motion in motions.iter() {
@@ -74,12 +91,27 @@ pub fn follow_cursor_with_camera(
                 let desired_rotation_quat =
                     Quat::from_axis_angle(Vec3::Y, yaw) * Quat::from_axis_angle(Vec3::X, pitch);
     
-            for _camera_transform in camera_query.iter_mut() {
+                for mut camera_transform in camera_query.iter_mut() {
                     player_transform.rotation = desired_rotation_quat;
+                    if keyboard_input.pressed(KeyCode::Q) {
+                        let final_quat = Quat::from_axis_angle(Vec3::Z, radians_from_degrees(30.0));
+                        camera_transform.rotation = camera_transform.rotation.lerp(final_quat, time.delta_seconds() / 0.2);
+                    } else if keyboard_input.pressed(KeyCode::E) {
+                        let final_quat = Quat::from_axis_angle(Vec3::Z, radians_from_degrees(-30.0));
+                        camera_transform.rotation = camera_transform.rotation.lerp(final_quat, time.delta_seconds() / 0.2);
+                    } else {
+                        camera_transform.rotation = camera_transform.rotation.lerp(Quat::default(), time.delta_seconds() / 0.2);
+                    }
                     // headbob_camera(&mut camera_transform, time.delta_seconds_f64());
                 }
             }
+        }
+        
     } else {
         warn!("Primary window not found for `player_look`!");
     }
 }
+
+fn lerp(final_vec: Vec3, current: Vec3, delta_time: f32, total_time: f32) -> Vec3 {
+    (final_vec - current) * (delta_time/total_time)
+}

src/logic/core/player/hands.rs

@@ -5,7 +5,7 @@ use crate::comps::core::markers::player::PlayerHand;
 pub fn capture_hand_usage(
     mouse_buttons: Res<Input<MouseButton>>,
     mut query: Query<&mut Transform, With<PlayerHand>>,
-    time: Res<Time>,
+    //time: Res<Time>,
 ) {
     for mut transform in query.iter_mut() {
         if mouse_buttons.pressed(MouseButton::Left) {

src/logic/core/player/player_movement.rs

@@ -42,7 +42,7 @@ impl PlayerLinearYState {
 
 #[derive(Component, Default, Debug)]
 pub enum PlayerLinearXZState {
-    Crouched(u128),
+    Crouched(f32),
     Walking,
     #[default]
     Stopped,
@@ -56,7 +56,7 @@ impl PlayerLinearXZState {
             _ => false,
         }
     }
-    pub fn toggle_crouch(&mut self, time: u128) {
+    pub fn toggle_crouch(&mut self, time: f32) {
         if let Self::Crouched(_) = self {
             *self = Self::Stopped;
         } else {
@@ -111,7 +111,7 @@ pub fn move_player(
             &mut ExternalImpulse,
             &mut PlayerLinearYState,
             &mut PlayerLinearXZState,
-            &Transform,
+            &mut Transform,
             &mut Damping,
         ),
         With<Player>,
@@ -123,12 +123,12 @@ pub fn move_player(
         mut player_external_force,
         mut player_linear_y_state,
         mut player_linear_xz_state,
-        player_transform,
+        mut player_transform,
         mut player_damping,
     ) in &mut query
     {
         if player_movement_input.down {
-            player_linear_xz_state.toggle_crouch(time.elapsed().as_millis());
+            player_linear_xz_state.toggle_crouch(time.elapsed().as_secs_f32());
         }
         let crouch_multiplier = if player_linear_xz_state.is_crouched() {
             PLAYER_CROUCH_SPEED_MULTIPLIER
@@ -207,7 +207,8 @@ pub fn move_player(
         }
 
         if player_movement_input.lean_left {
-            //player_transform.rotation = 
+            
+            
         } else {}
 
         if player_movement_input.up && player_linear_y_state.is_grounded(&PLAYER_JUMP_COOLDOWN_MS) {

src/scenes/scene1/init.rs

@@ -1,7 +1,7 @@
 use bevy::prelude::*;
 
 use crate::{
-    comps::core::controller::{capture_cursor, capture_input},
+    comps::core::controller::capture_input,
     logic::core::{
         guns::spawn_firearm::spawn_firearm_on_player_hands,
         player::{
@@ -32,7 +32,7 @@ pub fn load_scene(application: &mut App) {
 
     // Update
     application.add_systems(Update, capture_input);
-    application.add_systems(Update, capture_cursor);
+    //application.add_systems(Update, capture_cursor);
     application.add_systems(Update, sync_player_y_state);
     application.add_systems(Update, follow_cursor_with_camera);
     application.add_systems(Update, asset_loaded);