class Pointeur{
  Vecteur dir;
  int r,g,b;
  String letexte;
  Pointeur(String tex,int rr,int gg,int bb){

    letexte=tex;
    r=rr;
    g=gg;
    b=bb;
  }
  void dessiner(Vecteur dd){

    dir=dd.normalize();
    float aa=atan2(dir.y,dir.x);
    float cc=atan2(sqrt(sq(dir.y)+sq(dir.x)),dir.z);
    pushMatrix();
    rotateZ(aa);
    rotateY(cc);

    fill(r,g,b);
    noStroke();
    translate(0,0,rayon);  
    beginShape(TRIANGLES);
    for(int i=0;i<=12;i++){
      float a1=PI/6*i,a2=PI/6*(i+1);
      vertex(0,0,0);
      vertex(160*cos(a1),160*sin(a1),200);
      vertex(160*cos(a2),160*sin(a2),200);
    } 
    endShape();
    //translate(0,0,rayon);
    beginShape(QUAD_STRIP);	
    for(int i=0;i<=12;i++){
      float a1=PI/6*i;
      vertex(60*cos(a1),60*sin(a1),rayon*1.5);
      vertex(60*cos(a1),60*sin(a1),100);
    }
    endShape();	
    popMatrix();

  }

}