Unreal Development Kit Beginner’s Guide

Time for action – color specular highlight

Often times, reflections in metal take on a slightly bluish tone. So let's look at a new node type—a Constant3Vector, which is essentially a node that allows us to specify a color.

1. Click-and-drag a Constant3Vector into the Material Editor window. While a Constant has only one value that we can edit, a Constant3Vector has three values, R, G, and B (for red, green, and blue). By combining R, G, and B, we can make any color that your monitor can display.
   
2. Here you will see a box with R, G, B, and Desc options, and numbers opposite each option:
3. Type in a value of 1 for R; this will make the output of our node pure ...