gluQuadricOrientation - specify inside/outside orientation for quadrics
void gluQuadricOrientation( GLUquadric* quad,
GLenum orientation )
- quad
- Specifies the quadrics object (created with gluNewQuadric).
- orientation
- Specifies the desired orientation. Valid values are GLU_OUTSIDE and
GLU_INSIDE.
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.
gluNewQuadric, gluQuadricDrawStyle, gluQuadricNormals,
gluQuadricTexture