发布日期: 08/07/2020

Material Properties

To set the material properties of a surface, use the Material command.

Material( face, argument, value,...value )

face can be Front, Back, or Front_and_back. (Note that the material properties can be set separately for the front and back faces of a polygon.)

Material Arguments and Default Values shows the arguments and default values for Material arguments.

Material Arguments and Default Values

Argument

Default Value

Meaning

AMBIENT

(0.2, 0.2, 0.2, 1.0)

Ambient color of material

DIFFUSE

(0.8, 0.8, 0.8, 1.0)

Diffuse color of material

AMBIENT_AND_DIFFUSE

Both AMBIENT and DIFFUSE

SPECULAR

(0.0, 0.0, 0.0, 1.0)

Specular color of material

SHININESS

0

Specular exponent that can range from 0 to 128.

EMISSION

(0, 0, 0, 1)

Emissive color of material

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