From d04b400fad4e5ea33cd46d186660a7345b478340 Mon Sep 17 00:00:00 2001
From: yuni <hut@hut.pm>
Date: Tue, 11 Jun 2024 01:04:23 +0200
Subject: [PATCH] "space" key now slows down relative to orbital velocity

---
 src/camera.rs | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/src/camera.rs b/src/camera.rs
index 93c1cd2..e8aa821 100644
--- a/src/camera.rs
+++ b/src/camera.rs
@@ -416,6 +416,7 @@ pub fn apply_input_to_player(
     time: Res<Time>,
     mut commands: Commands,
     settings: Res<var::Settings>,
+    jupiter_pos: Res<game::JupiterPos>,
     windows: Query<&Window, With<PrimaryWindow>>,
     mut mouse_events: EventReader<MouseMotion>,
     key_input: Res<ButtonInput<KeyCode>>,
@@ -426,6 +427,7 @@ pub fn apply_input_to_player(
             Entity,
             &Transform,
             &mut actor::Engine,
+            &Position,
             &mut LinearVelocity,
             &mut ExternalTorque,
             Option<&actor::PlayerDrivesThis>,
@@ -451,15 +453,15 @@ pub fn apply_input_to_player(
         win_res_y = 1050.0;
     }
 
-    let target_v: DVec3 = if let Ok(target) = q_target.get_single() {
-        target.0
-    } else {
-        DVec3::splat(0.0)
-    };
-
-    if let Ok((player_entity, player_transform, mut engine, mut v, mut torque, bike)) =
+    if let Ok((player_entity, player_transform, mut engine, pos, mut v, mut torque, bike)) =
         q_playercam.get_single_mut()
     {
+        let target_v: DVec3 = if let Ok(target) = q_target.get_single() {
+            target.0
+        } else {
+            let relative_pos = pos.0 - jupiter_pos.0;
+            nature::orbital_velocity(relative_pos, nature::JUPITER_MASS)
+        };
         // Handle key input
         if focused {
             if key_input.pressed(settings.key_forward) || settings.cruise_control_active {