NAME

gluQuadricOrientation − specify inside/outside orientation for quadrics
 

C SPECIFICATION

void gluQuadricOrientation( GLUquadric∗ quad,

GLenum orientation )

PARAMETERS

quad Specifies the quadrics object (created with gluNewQuadric). 

orientation Specifies the desired orientation. Valid values are GLU_OUTSIDE and GLU_INSIDE. 

DESCRIPTION

gluQuadricOrientation specifies what kind of orientation is desired for quadrics rendered with quad. The orientation values are as follows:

GLU_OUTSIDE
Quadrics are drawn with normals pointing outward (the initial value).

GLU_INSIDE
Quadrics are drawn with normals pointing inward.

Note that the interpretation of outward and inward depends on the quadric being drawn. 

SEE ALSO

gluNewQuadric, gluQuadricDrawStyle, gluQuadricNormals, gluQuadricTexture