Using Post-Processing to add a grainy, grayscale effect to the CCTV

A great effect to add for in-game TV systems is grainy (visual noise) grayscale Post-Processing. This adds the feel of cheap, old-style CCTV systems, such as might be used for a security system, and to add some kind of menacing film noir effect:

To add a vignette effect, do the following:

  1. Open the Asset Store panel, then download and import the free Post-Processing Stack assets published by Unity Technologies.
  2. In the Project panel, create a new Post-Processing Profile file by going to Create | Post-Processing Profile. Name this new profile film-noir.
  3. In the Hierarchy, select ...

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