diff options
Diffstat (limited to 'src/sphere.cpp')
| -rw-r--r-- | src/sphere.cpp | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/src/sphere.cpp b/src/sphere.cpp index ecd7db8..4aa1a79 100644 --- a/src/sphere.cpp +++ b/src/sphere.cpp @@ -42,20 +42,20 @@ static void sphere_end_cb(void *data); /*@}*/ /** - * GLUsphere decorator to implement call-backs + * GLUsphereProducer decorator to implement call-backs * - * To generate the sphere data, the \c GLUsphere class interfaces with various - * C functions that use a call-back mechanism. These call-backs are analogous - * the \c emit_vertex, \c emit_begin, \c emit_index, and \c emit_end methods - * that \c GLUsphere subclasses will provide. + * To generate the sphere data, the \c GLUsphereProducer class interfaces with + * various C functions that use a call-back mechanism. These call-backs are + * analogous the \c emit_vertex, \c emit_begin, \c emit_index, and \c emit_end + * methods that \c GLUsphereProducer subclasses will provide. * * However, these methods are all \c protected. As a result the non-class * call-back functions cannot call these methods unless they are \c friend * functions. It is undesireable to expose the implementation detail in the * application-facing header file. This can be worked around by creating a - * dummy subclass of \c GLUsphere that only contains the \c friend function - * declarations. Pointers to \c GLUsphere objects can be cast to pointers to - * \c GLUsphereFriend objects without side-effect. + * dummy subclass of \c GLUsphereProducer that only contains the \c friend + * function declarations. Pointers to \c GLUsphereProducer objects can be + * cast to pointers to \c GLUsphereFriend objects without side-effect. * * This is arguably a mis-use of the "decorator" pattern, but it is the most * efficient way to do this. @@ -75,7 +75,8 @@ class GLUconsumerFriend : public GLUshapeConsumer { }; -GLUsphere::GLUsphere(GLdouble radius, GLint slices, GLint stacks) +GLUsphereProducer::GLUsphereProducer(GLdouble radius, GLint slices, + GLint stacks) { this->radius = radius; this->slices = (slices < 4) ? 4 : (unsigned) slices; @@ -84,7 +85,7 @@ GLUsphere::GLUsphere(GLdouble radius, GLint slices, GLint stacks) unsigned -GLUsphere::vertex_count(void) const +GLUsphereProducer::vertex_count(void) const { /* Each line of vertices from the north pole to the south pole consists * of (stacks+1) vertices. There are a total of (slices+1) of these @@ -95,7 +96,7 @@ GLUsphere::vertex_count(void) const unsigned -GLUsphere::primitive_count(void) const +GLUsphereProducer::primitive_count(void) const { /* For each slice there is a triangle strip from the north pole to the * south pole. @@ -105,7 +106,7 @@ GLUsphere::primitive_count(void) const unsigned -GLUsphere::element_count(void) const +GLUsphereProducer::element_count(void) const { /* Each slice is a triangle strip represented by 2 elements plus * 2 elements for each stack; @@ -152,7 +153,7 @@ sphere_end_cb(void *data) void -GLUsphere::generate(GLUshapeConsumer *consumer) const +GLUsphereProducer::generate(GLUshapeConsumer *consumer) const { generate_sphere(radius, slices, stacks, normals_point_out, |