Unity 2018 and above ships with a newer version of the post-processing stack for adding volume-based post-process effects to your project. Let's use these post-processing camera effects to enhance the appeal of the scene. As mentioned in earlier chapters, post-process effects are filters and adjustments applied to the pixels of the scene camera to stylize or improve the aesthetics of the rendered frame.
To add the newest version of the Post-Processing Stack, choose Window | Package Manager from the application menu. See Figure 9.19:
Figure 9.19: Displaying the Package Manager…
From the Packages List, click the All button to filter the list and view all available or installed packages. Select the Post-Processing package by clicking on it from the list. Once selected, click the install button to add the package to your project. If the project is already added, you may have the option of updating to the latest version by clicking the Update button. See Figure 9.20:
Figure...