cpsphere Class Reference

Current pointer to a tetrahedron as a sphere through its points. More...

#include <cpsphere.h>

Collaboration diagram for cpsphere:

List of all members.

Public Member Functions
void	stateinc ()
	The current state is incremented and the graphics is updated.
void	statedec ()
	The current state is decremented and the graphics is updated.
	cpsphere (vector< point3< double > > const &pts_, vector< point4< uint > > const &vi_)
	Initialize this classes data structures with conditions such that the points and indexed tet vectors must exist.
	~cpsphere ()
	Memory cleanup.
void	update ()
	The current graphics are re-written so that a sphere through the current tet's 4 points is drawn.
Public Attributes
vector< point3< double > > const &	pts
	The array of points.
vector< point4< uint > > const &	vi
	Represent a tetrahedron as 4 indexes to the array of points.
gobjContainer *	current
	The graphics.
uint	state
	The state indexes into vi.

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Detailed Description

Current pointer to a tetrahedron as a sphere through its points.

Definition at line 14 of file cpsphere.h.

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Constructor & Destructor Documentation

cpsphere::cpsphere	(	vector< point3< double > > const &	pts_,
		vector< point4< uint > > const &	vi_
	)

Initialize this classes data structures with conditions such that the points and indexed tet vectors must exist.

Definition at line 95 of file cpsphere.cpp.

  : pts(pts_), vi(vi_), state(0)
{
  current = new gobjContainer();
}

cpsphere::~cpsphere

(

)

Memory cleanup.

Definition at line 104 of file cpsphere.cpp.

References current.

{
  delete current;
}

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Member Function Documentation

void cpsphere::statedec

(

)

The current state is decremented and the graphics is updated.

Definition at line 21 of file cpsphere.cpp.

References state, update(), and vi.

Referenced by keyboard().

{
  uint sz = vi.size();
  if (sz==0)
    return;

  state += (sz-1);
  state %= sz;

  update();
}

void cpsphere::stateinc

(

)

The current state is incremented and the graphics is updated.

Definition at line 12 of file cpsphere.cpp.

References state, update(), and vi.

Referenced by keyboard().

{
//cout << "state=" << state << endl;
  ++state;
  state %= vi.size();

  update();
}

void cpsphere::update

(

)

The current graphics are re-written so that a sphere through the current tet's 4 points is drawn.

Definition at line 33 of file cpsphere.cpp.

References tetrahedron< PT, PD >::circumcenter(), current, gobjContainer::nuke(), pts, gobjContainer::push(), state, and vi.

Referenced by statedec(), stateinc(), test02(), and test03().

{
  current->nuke();

  uintc imax = vi.size();

  if ((state<imax)==false)
    return;

  // Calculate the spheres details.

  uintc slices=30;
  uintc stacks=30;

  point3<double> const & P1( pts[ vi[state].x ] );
  point3<double> const & P2( pts[ vi[state].y ] );
  point3<double> const & P3( pts[ vi[state].z ] );
  point3<double> const & P4( pts[ vi[state].w ] );

  tetrahedron<point3<double>,double> const t(P1,P2,P3,P4);
  point3<double> c0;
  t.circumcenter(c0);
  point3<double> const c(c0);
  doublec radius = (c-P1).distance();

  // Write the graphics.

  current->push( new gobjglPushMatrix() );


  current->push( new gobjglEnable(GL_LIGHTING) );

/*
  current->push( new gobjglColor3f(1.0,0.0,0.0) );


  current->push( new gobjglTranslatef(c) );
  current->push( 
    new gobjglutSolidSphere(radius,slices,stacks) );
*/



  current->push( new gobjglDisable(GL_DEPTH_TEST) );
  current->push( new gobjglEnable(GL_BLEND) );
  current->push( 
    new gobjglBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA) );

  current->push( new gobjglColor4f(1.0,0.0,0.0,0.8) );

  current->push( new gobjglTranslatef(c) );
  current->push( 
    new gobjglutSolidSphere(radius,slices,stacks) );


  current->push( new gobjglPopMatrix() );


  //glerrordisplay();
}

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Member Data Documentation

gobjContainer* cpsphere::current

The graphics.

Definition at line 24 of file cpsphere.h.

Referenced by test02(), test03(), update(), and ~cpsphere().

vector< point3<double> > const& cpsphere::pts

The array of points.

Definition at line 19 of file cpsphere.h.

Referenced by update().

uint cpsphere::state

The state indexes into vi.

Definition at line 27 of file cpsphere.h.

Referenced by statedec(), stateinc(), and update().

vector< point4<uint> > const& cpsphere::vi

Represent a tetrahedron as 4 indexes to the array of points.

Definition at line 21 of file cpsphere.h.

Referenced by statedec(), stateinc(), and update().

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The documentation for this class was generated from the following files:

• delaunay3D/cpsphere.h
• delaunay3D/cpsphere.cpp