pfx_physics/rigid/
event.rs

1use std::sync::Mutex;
2
3use rapier3d::prelude::{
4    ColliderHandle, ColliderSet, CollisionEvent, ContactPair, EventHandler, RigidBodySet,
5    SoftBodySet, SoftBodyTearEvent,
6};
7
8use super::ColliderId;
9
10#[derive(Clone, Copy, Debug, PartialEq)]
11pub enum Event {
12    ContactStarted {
13        a: ColliderId,
14        b: ColliderId,
15        impulse: f32,
16    },
17    ContactStopped {
18        a: ColliderId,
19        b: ColliderId,
20    },
21    ContactImpulse {
22        a: ColliderId,
23        b: ColliderId,
24        impulse: f32,
25    },
26    SensorEntered {
27        sensor: ColliderId,
28        other: ColliderId,
29    },
30    SensorExited {
31        sensor: ColliderId,
32        other: ColliderId,
33    },
34}
35
36#[derive(Default)]
37pub(crate) struct Collector {
38    pub(crate) collisions: Mutex<Vec<CollisionEvent>>,
39    pub(crate) impulses: Mutex<Vec<(ColliderHandle, ColliderHandle, f32)>>,
40}
41
42impl EventHandler for Collector {
43    fn handle_collision_event(
44        &self,
45        _bodies: &RigidBodySet,
46        _colliders: &ColliderSet,
47        event: CollisionEvent,
48        _pair: Option<&ContactPair>,
49    ) {
50        if let Ok(mut events) = self.collisions.lock() {
51            events.push(event);
52        }
53    }
54
55    fn handle_contact_force_event(
56        &self,
57        dt: f32,
58        _bodies: &RigidBodySet,
59        _colliders: &ColliderSet,
60        pair: &ContactPair,
61        total_force_magnitude: f32,
62    ) {
63        if let Ok(mut impulses) = self.impulses.lock() {
64            impulses.push((pair.collider1, pair.collider2, total_force_magnitude * dt));
65        }
66    }
67
68    fn handle_soft_body_tear_event(&self, _soft_bodies: &SoftBodySet, _event: &SoftBodyTearEvent) {}
69}
pfx_physics/rigid/event.rs

pfx_physics/rigid/
event.rs
