Every Unity shader has a built-in structure that it is looking for in its code. The Properties block is one of those functions that are expected by Unity. The reason behind this is to give you, the shader programmer, a means of quickly creating GUI elements that tie directly into your shader code. These properties (variables) that you declare in the Properties block can then be used in your shader code to change values, colors, and textures. The syntax to define a property is as follows:
Let's take a look at what is going on under the hood here. When you first start writing a new property, you will need to give it a Variable ...
