Particle Backgrounds is a collection of 15 ambient background scenes made from a mix of particle systems and post-processing effects.
Each scene features one particle system and a sub-emitter for the main effect. Scenes rely on one material for the particle system coupled with a post-processing system that adds effects such as Bloom, Chromatic Aberration, Grain, Vignette etc.
Effects are initially designed to fit an aspect ratio of 16:9 with the default FOV of 60, but some tips are included for modifying the effect for other ratios.