X3DTK::GL::SphereDrawArray Class Reference
[GLSceneGraph]

Class declared in <X3DTK/GL/scenegraph.h> providing a singleton manager of the vertex arrays necessary to draw a triangulated sphere. More...

List of all members.

Public Member Functions

• void removeInstance ()
• unsigned int getSphereSize () const
• const void * getSphereVertexArrayAddress () const
• const unsigned int * getSphereIndexArrayAddress () const

Static Public Member Functions

• SphereDrawArray * getInstanceOfSection (unsigned int section)

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Detailed Description

Class declared in <X3DTK/GL/scenegraph.h> providing a singleton manager of the vertex arrays necessary to draw a triangulated sphere.

This class is used by Sphere to avoid memory duplication and provides the arrays required by the OpenGL command drawElements().

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Member Function Documentation

SphereDrawArray* X3DTK::GL::SphereDrawArray::getInstanceOfSection (  unsigned int  section  )  [static]

Gets the CylinderDrawArray of section section.

const unsigned int* X3DTK::GL::SphereDrawArray::getSphereIndexArrayAddress (   )  const

Gets the address of the first index of the index array.

unsigned int X3DTK::GL::SphereDrawArray::getSphereSize (   )  const

Gets the number of vertices of the sphere.

const void* X3DTK::GL::SphereDrawArray::getSphereVertexArrayAddress (   )  const

Gets the address of the first element of the vertex array.

void X3DTK::GL::SphereDrawArray::removeInstance (   )

Removes the CylinderDrawArray of section section.

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