find a more correct aabb bound derived from scalar max gaussian scale

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#[cfg(feature = "f16")]

bevy_gaussian_splatting/src/gaussian/cloud.rs

Line 234 in f00338b

// TODO: find a more correct aabb bound derived from scalar max gaussian scale

        &mut self.position_visibility[index].visibility
    }

    pub fn compute_aabb(&self) -> Option<Aabb> {
        if self.is_empty() {
            return None;
        }

        let mut min = Vec3::splat(f32::INFINITY);
        let mut max = Vec3::splat(f32::NEG_INFINITY);

        // TODO: find a more correct aabb bound derived from scalar max gaussian scale
        let max_scale = 0.1;

        for position in self.position_iter() {
            min = min.min(Vec3::from(*position) - Vec3::splat(max_scale));
            max = max.max(Vec3::from(*position) + Vec3::splat(max_scale));
        }

        Aabb::from_min_max(min, max).into()
    }


    // pub fn rotation(&self, index: usize) -> &[f32; 4] {
    //     #[cfg(feature = "f16")]