Adding depth of field to focus the view

- Image effects are a terrific way to…polish the look of your game.…Right now, our game is optically perfect.…In distance, it just gets smaller.…The only aberration here is that there's a little bit of fog…graying out the scene, but even that…still leaves things perfectly crisp.…We're seeing things through a camera,…but at the moment, this camera's…just really a viewpoint and a field of view.…Nothing we'd expect in a typical lense is applied,…such as depth of field, any bloom, or any color correction.…

What I've done is to add in a few more particle systems,…and we can see them here by the particle icon…over on the pipes.…There's leaking steam all over,…and that'll go in nicely with the fog in the scene,…working in concert, so we believe that this factory is…slightly hazy.…Now I'll get some depth of field on my camera,…bringing in some of the image effects first…and then applying it.…What I'll do is to right-click in the Assets,…and Import a Package in,…choosing Effects.…In Release 5, Unity has grouped image effects…