In order to write this shader, we need to prepare a few assets.
In order to view the colors of a vertex, we need to have a model that has had color applied to its vertices. While you could use Unity to apply colors, you would have to write a tool to allow an individual to apply the colors or write some scripts to achieve the color application.
In the case of this recipe, you can use a 3D modeling tool such as Maya or Blender to apply the colors to our model. There is a model available in the example code provided with the book in the Chapter 06 | Models folder (VertexColorObject.fbx) that you can obtain at the book's Support page at https://www.packtpub.com/books/content/support.
The following steps will set us up to create ...
