From 4aabb4e18d3924002e936b887887190d236744ca Mon Sep 17 00:00:00 2001
From: ghostly_zsh <ghostly@e3t.cc>
Date: Mon, 7 Jul 2025 13:24:33 -0500
Subject: [PATCH] batch spawning particles

---
 crates/unified/src/particle_editor/spawn.rs | 34 +++++++++++----------
 1 file changed, 18 insertions(+), 16 deletions(-)

diff --git a/crates/unified/src/particle_editor/spawn.rs b/crates/unified/src/particle_editor/spawn.rs
index bab3efbed96ad797e58091854dc235c0d8bae018..3462c0c4d73c8be4a933be1ccaefe4f9bde4fea3 100644
--- a/crates/unified/src/particle_editor/spawn.rs
+++ b/crates/unified/src/particle_editor/spawn.rs
@@ -19,23 +19,25 @@ fn spawn_particles(
 ) {
     for (transform, effect, mut delay_timer) in particle_effects {
         delay_timer.0.tick(time.delta());
-        let circle = CircleMesh(meshes.add(Circle::new(1.0)),
-            materials.add(effect.color.sample(effect.color.clamp_time(0.0).unwrap()).unwrap()));
         if delay_timer.0.just_finished() {
-            commands.spawn((
-                RigidBody::Dynamic,
-                Particle,
-                transform.with_scale(Vec3::splat(effect.scale.sample(effect.scale.clamp_time(0.0).unwrap()).unwrap())),
-                Mesh2d(circle.0.clone()),
-                MeshMaterial2d(circle.1.clone()),
-                Velocity {
-                    linvel: effect.initial_linear_velocity.sample(&mut rand::rng()),
-                    angvel: effect.initial_angular_velocity.sample(&mut rand::rng()),
-                },
-                LifetimeTimer(Timer::from_seconds(effect.lifetime_seconds.sample(&mut rand::rng()), TimerMode::Once)),
-                circle,
-                ParentEffect(effect.clone()),
-            ));
+            for _ in 0..effect.particles_in_batch.sample(&mut rand::rng()) {
+                let circle = CircleMesh(meshes.add(Circle::new(1.0)),
+                    materials.add(effect.color.sample(effect.color.clamp_time(0.0).unwrap()).unwrap()));
+                commands.spawn((
+                    RigidBody::Dynamic,
+                    Particle,
+                    transform.with_scale(Vec3::splat(effect.scale.sample(effect.scale.clamp_time(0.0).unwrap()).unwrap())),
+                    Mesh2d(circle.0.clone()),
+                    MeshMaterial2d(circle.1.clone()),
+                    Velocity {
+                        linvel: effect.initial_linear_velocity.sample(&mut rand::rng()),
+                        angvel: effect.initial_angular_velocity.sample(&mut rand::rng()),
+                    },
+                    LifetimeTimer(Timer::from_seconds(effect.lifetime_seconds.sample(&mut rand::rng()), TimerMode::Once)),
+                    circle,
+                    ParentEffect(effect.clone()),
+                ));
+            }
             delay_timer.0.set_duration(Duration::from_secs_f32(effect.batch_spawn_delay_seconds.sample(&mut rand::rng())));
             delay_timer.0.reset();
         }