source/sphere.h

   1 #ifndef MSP_GL_SPHERE_H_
   2 #define MSP_GL_SPHERE_H_
   3
   4 #include "geometrybuilder.h"
   5
   6 namespace Msp {
   7 namespace GL {
   8
   9 class UvSphereBuilder: public GeometryBuilder
  10 {
  11 private:
  12         float radius;
  13         unsigned segments;
  14         unsigned rings;
  15
  16 public:
  17         UvSphereBuilder(float, unsigned, unsigned = 0);
  18
  19         using GeometryBuilder::build;
  20         virtual void build(PrimitiveBuilder &) const;
  21 };
  22
  23
  24 class IcoSphereBuilder: public GeometryBuilder
  25 {
  26 private:
  27         float radius;
  28         unsigned subdivision;
  29
  30         static float base_vertices[];
  31         static unsigned base_triangles[];
  32         static unsigned base_edges[];
  33         static unsigned base_tri_edges[];
  34
  35 public:
  36         IcoSphereBuilder(float, unsigned);
  37 private:
  38         static void initialize_edges();
  39
  40 public:
  41         using GeometryBuilder::build;
  42         virtual void build(PrimitiveBuilder &) const;
  43
  44 private:
  45         unsigned edge_vertex(unsigned, unsigned) const;
  46 };
  47
  48 } // namespace GL
  49 } // namespace Msp
  50
  51 #endif