Rendering the Enforcer - ZBrush Creature Design: Creating Dynamic Concept Imagery for Film and Games - page 661

7. Click on the Inner Additive swatch and choose a deep red color. Set the Inner Additive slider to 0.5 and
the Fresnel Factor to 1. You'll see the surface appear red on the parts of the surface that face the front.
8. Click on Outer Additive and set the color to orange, set Outer Additive to 0.25. The edges that face
away from the front pick up the orange color.
9. Click on the Inner Blend color swatch and set the color to a dark magenta and set the Inner Blend to
0.3. You'll see that the inner blend color is overlaid on top of the Inner Additive color. As you increase
the Inner Blend slider, the influence of the magenta slider becomes stronger.
10. Set the Outer Blend to a lighter magenta and set the Outer Blend strength to 0.35. This adds color to
the Outer Additive Color ( Figure 10-16 ) .
Figure 10-16: Adjust the colors in the Fresnel Overlay shader to create a gradient of warm colors on the
surface of the model.