One of the most impressive aspects of learning to write shaders is the process of creating your own screen effects, also known as post effects. With these screen effects, we can create stunning real-time images with Bloom, Motion Blur, HDR effects, and so on. Most modern games on the market today make heavy use of these screen effects for their depth of field effects, Bloom effects, and even color correction effects.
In Chapter 1, Post Processing Stack, we discussed how to use this with Unity's built-in Post Processing Stack, but in this chapter, you will learn how to build up the script system yourself. This system will give you the control to create many kinds of screen effects. We will cover RenderTexture, what the depth buffer is, and how to create effects that give you Photoshop-like control over the final rendered image of your game. By utilizing screen...
