Creating a Holographic Shader

More and more space-themed games are being released every year. An important part of a good sci-fi game is the way futuristic technology is presented and integrated into gameplay. There's nothing that screams futuristic more than holograms. Despite being present in many flavors, holograms are often represented as semi-transparent, thin projections of an object. This recipe shows you how to create a shader that simulates such effects. Take this as a starting point: you can add noise, animated scan lines, and vibrations to create a truly outstanding holographic effect. The following screenshot shows an example of a Holographic effect:

Getting ready

Create a shader called Holographic. Attach it to a material (HolographicMat) and assign it to a 3D model in your scene:

How to do it...

The following changes will change our existing shader into a holographic one:

1. Remove the following properties as they will not be used:
   • _Glossiness
   • _Metallic
2. Add the following property to...