From c08dc4f07b9ac3c6c8c74688395e5d08ba91ce98 Mon Sep 17 00:00:00 2001
From: Lorenz Mielke <info@lommix.de>
Date: Wed, 13 Nov 2024 21:20:21 +0100
Subject: [PATCH] added a way to opt out of auto aabb calculation

---
 crates/enoki2d/src/lib.rs    | 9 ++++++++-
 crates/enoki2d/src/update.rs | 4 ++--
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/crates/enoki2d/src/lib.rs b/crates/enoki2d/src/lib.rs
index 35e9bf3..95f0f90 100644
--- a/crates/enoki2d/src/lib.rs
+++ b/crates/enoki2d/src/lib.rs
@@ -32,7 +32,9 @@ pub mod prelude {
     pub use super::sprite::SpriteParticle2dMaterial;
     pub use super::update::{OneShot, ParticleEffectInstance, ParticleSpawnerState, ParticleStore};
     pub use super::values::{Random, Rval};
-    pub use super::{EmissionShape, Particle2dEffect, ParticleEffectHandle, ParticleSpawner};
+    pub use super::{
+        EmissionShape, NoAutoAabb, Particle2dEffect, ParticleEffectHandle, ParticleSpawner,
+    };
 }
 
 pub(crate) const PARTICLE_VERTEX_OUT: Handle<Shader> =
@@ -127,6 +129,11 @@ impl Plugin for EnokiPlugin {
 
 pub type WithParticles = With<ParticleSpawnerState>;
 
+/// adding this component will disabled auto
+/// aabb caluclation. Aabb resolves to it's default size.
+#[derive(Component)]
+pub struct NoAutoAabb;
+
 /// The main particle spawner components
 /// has required components
 #[derive(Component, DerefMut, Deref, Clone)]
diff --git a/crates/enoki2d/src/update.rs b/crates/enoki2d/src/update.rs
index 399068e..28f243e 100644
--- a/crates/enoki2d/src/update.rs
+++ b/crates/enoki2d/src/update.rs
@@ -1,4 +1,4 @@
-use super::{prelude::EmissionShape, ParticleEffectHandle, Particle2dEffect};
+use super::{prelude::EmissionShape, Particle2dEffect, ParticleEffectHandle};
 use crate::values::Random;
 use bevy::{prelude::*, render::primitives::Aabb};
 use std::time::Duration;
@@ -259,7 +259,7 @@ fn update_particle(particle: &mut Particle, effect: &Particle2dEffect, delta: f3
 
 pub(crate) fn calculcate_particle_bounds(
     mut cmd: Commands,
-    spawners: Query<(Entity, &ParticleStore)>,
+    spawners: Query<(Entity, &ParticleStore), Without<crate::NoAutoAabb>>,
 ) {
     spawners.iter().for_each(|(entity, store)| {
         let particle_count = store.len();