Static Sub QuadricNormals ( Quad As GluQuadric, Normal As Integer )

Specify what kind of normals are desired for quadrics.

Parameters

quad

Specifies the quadrics object (created with Glu.NewQuadric).

normal

Specifies the desired type of normals. Valid values are Glu.NONE, Glu.FLAT, and Glu.SMOOTH.

Description

Glu.QuadricNormals specifies what kind of normals are desired for quadrics rendered with quad. The legal values are as follows:

Glu.NONE

No normals are generated.

Glu.FLAT

One normal is generated for every facet of a quadric.

Glu.SMOOTH

One normal is generated for every vertex of a quadric. This is the initial value.

See original documentation on OpenGL website