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base handle_wants_maxvelocity on current orbital velocity

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This commit is contained in:
yuni 2024-06-11 00:50:25 +02:00
parent 76272a7fc2
commit cd13b529c3
1 changed files with 22 additions and 4 deletions
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26
src/actor.rs
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@ -31,7 +31,7 @@ impl Plugin for ActorPlugin {
update_physics_lifeforms,
update_power,
handle_wants_maxrotation,
handle_wants_maxvelocity,
handle_wants_maxvelocity.run_if(any_with_component::<WantsMaxVelocity>),
handle_wants_lookat.run_if(alive),
),
);
@ -548,11 +548,29 @@ fn handle_wants_maxrotation(
/// Slows down NPC's movement until they reach their target velocity.
fn handle_wants_maxvelocity(
time: Res<Time>,
mut query: Query<(&mut LinearVelocity, &Engine, &WantsMaxVelocity)>,
mut query: Query<(
&Position,
&mut LinearVelocity,
&Engine,
&WantsMaxVelocity,
Option<&OrbitsJupiter>,
)>,
id2pos: Res<game::Id2Pos>,
) {
let dt = time.delta_seconds();
for (mut v, engine, maxv) in &mut query {
let target_velocity = DVec3::splat(0.0);
let jupiter_pos: DVec3 = if let Some(jupiter_pos) = id2pos.0.get(cmd::ID_JUPITER) {
*jupiter_pos
} else {
warn!("Could not determine Jupiter's position");
DVec3::ZERO
};
for (pos, mut v, engine, maxv, orbits_jupiter) in &mut query {
let target_velocity = if orbits_jupiter.is_some() {
let relative_pos = pos.0 - jupiter_pos;
nature::orbital_velocity(relative_pos, nature::JUPITER_MASS)
} else {
DVec3::ZERO
};
let relative_velocity = v.0 - target_velocity;
let relative_speed = relative_velocity.length();