Unity 2018 Shaders and Effects Cookbook - Third Edition

How to do it...

With the scene prepared, we can now begin the process of experimenting with some of the built-in helper functions included with the UnityCG.cginc file. Double-click on the shader that was created for this scene in order to open it in your IDE of choice and insert the code given in the following steps:

1. Add the following code to the Properties block of the new shader file. We will need a single texture and slide for our example shader:

Properties 
{ 
    _MainTex ("Base (RGB)", 2D) = "white" {} 
    _DesatValue ("Desaturate", Range(0,1)) = 0.5 
} 

We then need to make sure that we create the data connection between our Properties and CGPROGRAM blocks.

2. Use the following code, placed after the CGPROGRAM declaration and #pragma directives, ...