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Unreal Development Kit Beginner’s Guide by Richard J. Moore

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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.
    Time for action—color specular highlight
  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 ...

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