realistic sizes and distances for everything

src/commands.rs

@@ -6,6 +6,7 @@ use bevy::math::DVec3;
 use crate::{actor, nature, world};
 use regex::Regex;
 use std::f32::consts::PI;
+use std::f64::consts::PI as PI64;
 use std::collections::HashMap;
 
 pub struct CommandsPlugin;
@@ -158,7 +159,7 @@ pub fn load_defs(
     mut ew_spawn: EventWriter<SpawnEvent>,
 ) {
     let re1 = Regex::new(r"^\s*([a-z_-]+)\s+(.*)$").unwrap();
-    let re2 = Regex::new("\"([^\"]*)\"|(-?[0-9]+(?:\\.[0-9]+)?)|([a-zA-Z_-][a-zA-Z0-9_-]*)").unwrap();
+    let re2 = Regex::new("\"([^\"]*)\"|(-?[0-9]+[0-9e-]*(?:\\.[0-9e-]+)?)|([a-zA-Z_-][a-zA-Z0-9_-]*)").unwrap();
     let defs_string = include_str!("defs.txt");
     let mut lines = defs_string.lines();
     let mut state = ParserState::default();

src/defs.txt

@@ -1,14 +1,15 @@
 actor 0 0 0 jupiter
     id jupiter
-    scale 400000
+    scale 71492e3
     sphere yes
     physics off
     rotationx -0.50
     rotationz -0.28
     angularmomentum 30 30 30
 
-actor -300000 0 -500000 suit
+actor 0 0 0 suit
     relativeto jupiter
+    orbit 150000e3 0.66
     player yes
     id player
     mass 200.0
@@ -32,36 +33,40 @@ actor 10 -30 20 MeteorAceGT
     mass 3000
     angularmomentum 0.1 0.1 0.3
 
-actor -735000 0 -935000 io
+actor 0 0 0 io
     relativeto jupiter
-    scale 10188
+    orbit 421700e3 0.75
+    scale 1822e3
     rotationy -0.40
     angularmomentum 0 0.0001 0
     sphere yes
     moon yes
     physics off
 
-actor -1200000 200000 1400000 europa
+actor 0 0 0 europa
     relativeto jupiter
-    scale 8733
+    orbit 670900e3 0.35
+    scale 1561e3
     rotationy 0.20
     angularmomentum 0 0.0001 0
     sphere yes
     moon yes
     physics off
 
-actor 2200000 0 -1500000 ganymede
+actor 0 0 0 ganymede
     relativeto jupiter
-    scale 14737
+    orbit 1070400e3 0.93
+    scale 2634e3
     rotationy -0.40
     angularmomentum 0 0.0001 0
     sphere yes
     moon yes
     physics off
 
-actor -4300000 0 1000000 callisto
+actor 0 0 0 callisto
     relativeto jupiter
-    scale 13484
+    orbit 1882700e3 0.45
+    scale 2410e3
     rotationy -0.40
     angularmomentum 0 0.0001 0
     sphere yes

src/world.rs

@@ -5,6 +5,7 @@ use bevy::math::DVec3;
 use bevy_xpbd_3d::prelude::*;
 use bevy_xpbd_3d::plugins::sync::SyncConfig;
 use std::f32::consts::PI;
+use std::f64::consts::PI as PI64;
 
 const ASTEROID_UPDATE_INTERVAL: f32 = 0.1; // seconds
 const ASTEROID_SIZE: f32 = 100.0;
@@ -123,7 +124,7 @@ pub fn setup(
                 40000.0f32 // Sun
             } else {
                 1000.0 * (0.230299 * mag * mag - 3.09013 * mag + 15.1782)
-            }
+            } * 100.0
         };
         let (r, g, b) = nature::star_color_index_to_rgb(star[4]);
         let star_color_handle = materials.add(StandardMaterial {
@@ -131,7 +132,7 @@ pub fn setup(
             unlit: true,
             ..default()
         });
-        let dist = 1e7;
+        let dist = 1e9;
         commands.spawn((
             Star,
             PbrBundle {
@@ -151,8 +152,8 @@ pub fn setup(
     info!("Generated {starcount} stars");
 
     // Add shaded ring
-    let ring_radius = 640000.0;
+    let ring_radius = 229_000_000.0;
-    let jupiter_radius = 200000.0;
+    let jupiter_radius = 71_492_000.0;
     commands.spawn((
         MaterialMeshBundle {
             mesh: meshes.add(Mesh::from(Cylinder::new(ring_radius, 1.0))),
@@ -164,7 +165,8 @@ pub fn setup(
             ..default()
         },
         Position::from_xyz(0.0, 0.0, 0.0),
-        Rotation::from(Quat::from_rotation_z(1f32.to_radians())),
+        //Rotation::from(Quat::IDENTITY),
+        Rotation::from(Quat::from_rotation_z(0.1f32.to_radians())),
     ));
 }
 
@@ -173,10 +175,11 @@ fn generate_asteroids(
 ) {
     let maxdist = 30;
     let maxdist_orthogonal = maxdist / 4;
-    let pi = PI as f64;
+    let player_r: f64 = 150000e3; // sync this with defs.txt parameters
-    let player_x: f64 = -300000.0;
+    let player_phase: f64 = 0.66; // sync this with defs.txt parameters
+    let player_x: f64 = player_r * (player_phase * PI64 * 2.0).cos();
     let player_y: f64 = 0.0;
-    let player_z: f64 = -500000.0;
+    let player_z: f64 = player_r * (player_phase * PI64 * 2.0).sin();
     let offset: f64 = 500.0;
     let dist: f64 = 8e3;
     for i in -maxdist..maxdist {
@@ -189,9 +192,9 @@ fn generate_asteroids(
                     is_spawned: false,
                     spawned_once: false,
                     pos: DVec3::new(
-                        player_x + offset + dist * i + wobble * (j+k/pi).sin() * (k+j/pi).cos(),
+                        player_x + offset + dist * i + wobble * (j+k/PI64).sin() * (k+j/PI64).cos(),
-                        player_y + offset + dist * j + wobble * (k+i/pi).sin() * (i+k/pi).cos(),
+                        player_y + offset + dist * j + wobble * (k+i/PI64).sin() * (i+k/PI64).cos(),
-                        player_z + offset + dist * k + wobble * (i+j/pi).sin() * (j+i/pi).cos(),
+                        player_z + offset + dist * k + wobble * (i+j/PI64).sin() * (j+i/PI64).cos(),
                     ),
                     size: ASTEROID_SIZE,
                     class: (((i+j+k) as i32) % 2) as u8,
@@ -307,11 +310,9 @@ fn handle_despawn(
 }
 
 fn handle_cheats(
-    mut commands: Commands,
     key_input: Res<ButtonInput<KeyCode>>,
     mut q_player: Query<(&Transform, &mut Position, &mut LinearVelocity), With<actor::PlayerCamera>>,
     mut q_life: Query<(&mut actor::LifeForm, ), With<actor::Player>>,
-    q_entities: Query<Entity, (With<actor::Actor>, Without<actor::Player>)>,
     settings: ResMut<settings::Settings>,
 ) {
     if !settings.dev_mode || q_player.is_empty() || q_life.is_empty() {
@@ -338,10 +339,6 @@ fn handle_cheats(
         v.0 += DVec3::from(trans.rotation * Vec3::new(0.0, 0.0, -1000.0));
     }
     if key_input.pressed(settings.key_cheat_adrenaline_zero) {
-        // NOTE: temporarily added despawn all in here
-        for entity in &q_entities {
-            commands.entity(entity).despawn();
-        }
         lifeform.adrenaline = 0.0;
     }
     if key_input.pressed(settings.key_cheat_adrenaline_mid) {