gluSphere — draw a sphere
Specifies the quadrics object (created with gluNewQuadric).
Specifies the radius of the sphere.
Specifies the number of subdivisions around the z axis (similar to lines of longitude).
Specifies the number of subdivisions along the z axis (similar to lines of latitude).
gluSphere draws a sphere of the given radius centered around the origin. The
sphere is subdivided around the z axis into slices and along the
into stacks (similar to lines of longitude and latitude).
If the orientation is set to
(with gluQuadricOrientation), then any normals generated
point away from the center of the sphere.
Otherwise, they point toward the center of the sphere.
If texturing is turned on (with gluQuadricTexture), then texture coordinates are generated so that t ranges from 0.0 at to 1.0 at (t increases linearly along longitudinal lines), and s ranges from 0.0 at the +y axis, to 0.25 at the +x axis, to 0.5 at the \-y axis, to 0.75 at the \-x axis, and back to 1.0 at the +y axis.
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