The Copy blending mode

In the Copy blending mode, the foreground layer is stacked on top of the background. It is equivalent to the normal overlay mode of Adobe Photoshop.

It especially helps you while utilizing an opacity mask or when the foreground input is alpha.

Let us see how it works:

1. Open the Copy_Blend_Node.sbs file from the given Substance 3D Designer exercise files. Load the Copy_Blend_Node.sbsscn state file, then choose Plane (hi-res) from the Scene menu. Right-click with the mouse in the GRAPH window and choose View Outputs In 3D View.
2. You will notice the Copy blending mode’s result looks the same as shown in Figure 9.14, which is basically a copy of Foreground over Background.

Figure 9.14 – Copy blending mode

3. The Copy blending mode is non-commutative, which means when you switch the Foreground input and Background input, the result changes.
4. So let us try doing that. To switch the Foreground input and...