pub fn prepare_sorted_render_data(
buffer: &ParticleBuffer,
color_young: [f32; 4],
color_old: [f32; 4],
base_size: f32,
camera_pos: [f32; 3],
camera_forward: [f32; 3],
) -> Vec<SortedParticleRenderData>Expand description
Prepare GPU particle rendering data sorted back-to-front for transparency.
camera_forward is the camera’s forward direction (normalized).