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1322 Chapter 16: Material Editor, Materials, and Maps

Blinn, Oren-Nayar-Blinn, and Phong Highlights

(page 2–1334)

)asoftenasyoudowithPhong

shading.

Blinn shading tends to have soft, round highlights.

With Blinn shading, you can obtain highlights

produced by light glancing off the surface at low

angles. These highlights are lost when you increase

the value of Soften using Phong shading.

The Blinn and Phong shaders have the same

basic

parameters (p age 2–1311)

See also

Shader Basic Parameters Rollout (page 2–1310)

Basic Parameters Rollout (Standard Material)

(page 2–1311)

Blinn, Oren-Nayar-Blinn, and Phong Highlights

(page 2–1334)

Metal Shader

Material Editor > Standard material > Shader Basic

Parameters rollout > Metal shader > Metal Basic

Parameters rollout

Metal shading provides realistic-looking metallic

surfaces and a variety of organic-looking mater ials.

Metal shading has a distinct curve for specular

highlights. Metal surfaces also have glancing

highlights. Metal materials calculate their own

specular color, which can vary b etween the

material’s diffuse color and the color of the light.

Yo u c a n’ t s e t a m e t a l m a t e r i a l ’ s s p e c u l a r c o l o r.

Metal shading has distinctive highlights.

Because there’s no separate specular highlight, the

two specular highlig ht spinners behave differently

than the spinners for

Blinn and Phong shading

(page 2–1321)

. The Specular Level spinner still

cont rols intensit y, but the Glossiness spinner

affects both the intensity and size of the specular

areas.

Tip: When you create a metal material, make sure

the

backlight (page 2–1276)

is on in the sample

slot.