75 lines
2.2 KiB
Rust
75 lines
2.2 KiB
Rust
use crate::{
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GameState, billboards::Billboard, global_observer, loading_assets::GameAssets, player::Player,
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sounds::PlaySound, squish_animation::SquishAnimation,
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};
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use avian3d::prelude::*;
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use bevy::prelude::*;
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use std::f32::consts::PI;
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#[derive(Event, Reflect)]
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pub struct HeadDrops(pub Vec3, pub usize);
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#[derive(Component, Reflect)]
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#[reflect(Component)]
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struct HeadDrop(pub usize);
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#[derive(Event, Reflect)]
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pub struct HeadCollected(pub usize);
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pub fn plugin(app: &mut App) {
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app.add_systems(Update, collect_head.run_if(in_state(GameState::Playing)));
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global_observer!(app, on_head_drop);
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}
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fn on_head_drop(trigger: Trigger<HeadDrops>, mut commands: Commands, assets: Res<GameAssets>) {
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let HeadDrops(position, id) = trigger.event();
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let angle = rand::random::<f32>() * PI * 2.;
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let spawn_dir = Quat::from_rotation_y(angle) * Vec3::new(0.5, 0.6, 0.).normalize();
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commands.trigger(PlaySound::HeadDrop);
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commands
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.spawn((
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Name::new("headdrop"),
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HeadDrop(*id),
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Transform::from_translation(*position),
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Visibility::default(),
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Collider::sphere(1.5),
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ExternalImpulse::new(spawn_dir * 180.).with_persistence(false),
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LockedAxes::ROTATION_LOCKED,
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RigidBody::Dynamic,
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CollisionEventsEnabled,
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Restitution::new(0.6),
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))
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.with_child((
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Billboard,
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SquishAnimation(2.6),
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SceneRoot(assets.mesh_head_drop.clone()),
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));
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}
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fn collect_head(
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mut commands: Commands,
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mut collision_event_reader: EventReader<CollisionStarted>,
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query_player: Query<&Player>,
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query_collectable: Query<&HeadDrop>,
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) {
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for CollisionStarted(e1, e2) in collision_event_reader.read() {
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let collectable = if query_player.contains(*e1) && query_collectable.contains(*e2) {
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*e2
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} else if query_player.contains(*e2) && query_collectable.contains(*e1) {
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*e1
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} else {
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continue;
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};
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let key = query_collectable.get(collectable).unwrap();
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commands.trigger(PlaySound::HeadCollect);
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commands.trigger(HeadCollected(key.0));
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commands.entity(collectable).despawn();
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}
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}
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