From 26596bdc2ef7537619ab763668381f8b5496b726 Mon Sep 17 00:00:00 2001
From: Sébastien Crozet <developer@crozet.re>
Date: Sun, 22 Jan 2023 19:01:09 +0100
Subject: Voxel fracture experiments

---
 src_testbed/harness/mod.rs  | 4 +++-
 src_testbed/objects/node.rs | 7 ++++++-
 src_testbed/physics/mod.rs  | 4 +++-
 3 files changed, 12 insertions(+), 3 deletions(-)

(limited to 'src_testbed')

diff --git a/src_testbed/harness/mod.rs b/src_testbed/harness/mod.rs
index 9608592..464be42 100644
--- a/src_testbed/harness/mod.rs
+++ b/src_testbed/harness/mod.rs
@@ -88,11 +88,13 @@ impl Harness {
     pub fn new_empty() -> Self {
         let collision_event_channel = crossbeam::channel::unbounded();
         let contact_force_event_channel = crossbeam::channel::unbounded();
+        let fracture_event_channel = crossbeam::channel::unbounded();
         let event_handler =
-            ChannelEventCollector::new(collision_event_channel.0, contact_force_event_channel.0);
+            ChannelEventCollector::new(collision_event_channel.0, contact_force_event_channel.0, fracture_event_channel.0);
         let events = PhysicsEvents {
             collision_events: collision_event_channel.1,
             contact_force_events: contact_force_event_channel.1,
+            fracture_events: fracture_event_channel.1,
         };
         let physics = PhysicsState::new();
         let state = RunState::new();
diff --git a/src_testbed/objects/node.rs b/src_testbed/objects/node.rs
index f4b9015..fbf49f2 100644
--- a/src_testbed/objects/node.rs
+++ b/src_testbed/objects/node.rs
@@ -10,9 +10,10 @@ use bevy::render::render_resource::PrimitiveTopology;
 use rapier::geometry::{ColliderHandle, ColliderSet, Shape, ShapeType};
 #[cfg(feature = "dim3")]
 use rapier::geometry::{Cone, Cylinder};
-use rapier::math::{Isometry, Real, Vector};
+use rapier::math::{Isometry, Point, Real, Vector};
 
 use crate::graphics::BevyMaterial;
+use rapier::prelude::Aabb;
 #[cfg(feature = "dim2")]
 use {
     bevy::sprite::MaterialMesh2dBundle,
@@ -486,6 +487,10 @@ fn generate_collider_mesh(co_shape: &dyn Shape) -> Option<Mesh> {
             let poly = co_shape.as_round_convex_polyhedron().unwrap();
             bevy_mesh(poly.inner_shape.to_trimesh())
         }
+        ShapeType::Voxels => {
+            let voxels = co_shape.as_voxels().unwrap();
+            bevy_mesh(voxels.to_trimesh())
+        }
         _ => return None,
     };
 
diff --git a/src_testbed/physics/mod.rs b/src_testbed/physics/mod.rs
index 60214da..9715424 100644
--- a/src_testbed/physics/mod.rs
+++ b/src_testbed/physics/mod.rs
@@ -5,7 +5,7 @@ use rapier::dynamics::{
 };
 use rapier::geometry::{BroadPhase, ColliderSet, CollisionEvent, ContactForceEvent, NarrowPhase};
 use rapier::math::{Real, Vector};
-use rapier::pipeline::{PhysicsHooks, PhysicsPipeline, QueryPipeline};
+use rapier::pipeline::{FractureEvent, PhysicsHooks, PhysicsPipeline, QueryPipeline};
 
 pub struct PhysicsSnapshot {
     timestep_id: usize,
@@ -109,11 +109,13 @@ impl PhysicsState {
 pub struct PhysicsEvents {
     pub collision_events: Receiver<CollisionEvent>,
     pub contact_force_events: Receiver<ContactForceEvent>,
+    pub fracture_events: Receiver<FractureEvent>,
 }
 
 impl PhysicsEvents {
     pub fn poll_all(&self) {
         while let Ok(_) = self.collision_events.try_recv() {}
         while let Ok(_) = self.contact_force_events.try_recv() {}
+        while let Ok(_) = self.fracture_events.try_recv() {}
     }
 }
-- 
cgit