#include <Inventor/nodes/SoCylinder.h>
#include <stdio.h>

#include "pointOnSphere.h"
#include "addSphereToScene.h"


////////////////////////////////////////////////////////////
//
// Put a sphere at a random location on a unit sphere.
//
// Give the sphere an emissive color.
//
// pointOnSphere() returns error code 1 on failure.

SoMaterial *
addEmissiveSphereToScene (SoSphere *sphereSample, SoSeparator *scene,
  double radius)

  {
  SbVec3f samplePoint;

  SoSeparator *sphereSep = new SoSeparator();

  scene->addChild(sphereSep);

  SoMaterial *sphereMaterial;
  SoTransform *sphereTrans;

  while (pointOnSphere(samplePoint))
    {
    // error
    }

  sphereMaterial = new SoMaterial();
  sphereMaterial->ambientColor.setValue(0.0, 0.0, 0.0);
  sphereMaterial->diffuseColor.setValue(0.0, 0.0, 0.0);
  sphereMaterial->specularColor.setValue(0.0, 0.0, 0.0);
  sphereSep->addChild(sphereMaterial);

  sphereTrans = new SoTransform();
  sphereTrans->translation = radius*samplePoint;
  sphereSep->addChild(sphereTrans);

  sphereSep->addChild(sphereSample);

  return (sphereMaterial);
  }