Adding Transparency and Emission maps to a material

The Emission property can be used to simulate a variety of self-illuminated objects, from the LEDs of mobile displays to futuristic Tron suits. Transparency, on the other hand, can make the diffuse color of a material more or less visible. In this recipe, you will learn how to configure these properties to produce a toy's cardboard packaging that features a plastic case and glow-in-the-dark text.

Getting ready

For this recipe, we have prepared a Unity package containing a prefab made of a 3D object, its material, and its respective diffused texture map (in PNG format). All files are in the 1362_04_04 folder.

How to do it...

To add transparency and color emissions to a material, follow these steps:

1. Import TransparencyEmission.unitypackage to your project. Select the DIFF_package texture from the Assets folder, in the Project view. Then, open it in your image editor.

2. First, we will add transparency to the image by deleting the white areas around...