#include <QGLViewer/qglviewer.h> class Viewer : public QGLViewer { protected : virtual void init(); virtual void draw(); virtual QString helpString() const; private : void drawSaucer() const; void drawCone(const float zMin,const float zMax, const float r1, const float r2) const; static const int nbSaucers = 10; qglviewer::Frame saucerPos[nbSaucers]; qglviewer::Vec saucerColor[nbSaucers]; };