gluQuadricOrientation: specify inside/outside orientation for
C Specification |
gluQuadricOrientation specifies what kind of orientation is desired
for quadrics rendered with quad. The
orientation values are as follows:
- Specifies the quadrics object (created with gluNewQuadric).
- Specifies the desired orientation. Valid values are
GLU_OUTSIDE and GLU_INSIDE.
Note that the interpretation of outward and
inward depends on the quadric being drawn.
- Quadrics are drawn with normals pointing outward (the initial value).
- Quadrics are drawn with normals pointing inward.