finally fix player velocity/momentum

src/camera.rs

@@ -2,7 +2,7 @@ use bevy::prelude::*;
 use bevy::input::mouse::MouseMotion;
 use bevy::window::PrimaryWindow;
 use std::f32::consts::*;
-use crate::{settings, audio};
+use crate::{settings, audio, actor};
 
 pub struct CameraControllerPlugin;
 
@@ -35,7 +35,7 @@ impl Default for CameraController {
             enabled: true,
             initialized: false,
             sensitivity: 0.5,
-            move_speed: 1.0,
+            move_speed: 10.0,
             friction: 0.1,
             pitch: 1.0, // pitch=0/yaw=0 -> face sun
             yaw: 0.3,
@@ -52,7 +52,7 @@ fn run_camera_controller(
     mut mouse_events: EventReader<MouseMotion>,
     key_input: Res<ButtonInput<KeyCode>>,
     thruster_sound_controller: Query<&AudioSink, With<audio::ComponentThrusterSound>>,
-    mut query: Query<(&mut Transform, &mut CameraController), With<Camera>>,
+    mut query: Query<(&mut Transform, &mut CameraController, &mut actor::Actor), With<Camera>>,
 ) {
     let dt = time.delta_seconds();
     let mut play_thruster_sound = false;
@@ -63,7 +63,7 @@ fn run_camera_controller(
         focused = window_result.unwrap().focused;
     }
 
-    if let Ok((mut transform, mut controller)) = query.get_single_mut() {
+    if let Ok((mut transform, mut controller, mut actor)) = query.get_single_mut() {
         if !controller.initialized {
             controller.initialized = true;
             transform.rotation =
@@ -97,6 +97,12 @@ fn run_camera_controller(
             }
         }
 
+        if key_input.pressed(settings.key_stop) {
+            actor.v = actor.v * 0.99;
+            if actor.v.length_squared() < 1e-6 {
+                actor.v = Vec3::ZERO;
+            }
+        }
         let friction = if key_input.pressed(settings.key_stop) {
             controller.friction.clamp(0.0, 1.0)
         } else {
@@ -116,10 +122,16 @@ fn run_camera_controller(
         }
         let forward = *transform.forward();
         let right = *transform.right();
-        transform.translation += controller.velocity.x * dt * right
+        actor.v += controller.velocity.x * dt * right
             + controller.velocity.y * dt * Vec3::Y
             + controller.velocity.z * dt * forward;
 
+        controller.velocity = Vec3::ZERO;
+
+        //transform.translation += controller.velocity.x * dt * right
+            //+ controller.velocity.y * dt * Vec3::Y
+            //+ controller.velocity.z * dt * forward;
+
         // Handle mouse input
         let mut mouse_delta = Vec2::ZERO;
         for mouse_event in mouse_events.read() {