Many of the postprocessing effects available in the engine can easily be controlled from the flowgraph. Although it does not always give you full control of every aspect of each effect, using the flowgraph to trigger a certain postprocessing effect is one of the easiest and quickest ways when working with postprocessing effects in the engine. The flowgraph provides you with a lot of useful nodes that allow you to quickly access all kinds of effects. Most of those nodes can be found in the Image folder of the component nodes.

The Image component nodes in the flowgraph

Using most of these nodes is quite easy and straightforward. The Image:FilterBlur node, for example, is rather simple and can be used to put a simple blur effect on the screen. The amount of blur could be hardcoded in the flowgraph node or even provided dynamically. For example, this would allow you to fade in the blur effect depending on the distance or state of different objects.

This...