class Pentagram{
  //constructor
  Pentagram(){
  color mcolor;
  }
  void render(int _x, int _y, float _scale){
    // points for a pentagram
    float c1 = (cos((2*PI)/5))*_scale;
    float c2 = (cos(PI/5))*_scale;
    float s1 = (sin((2*PI)/5))*_scale;
    float s2 = (sin((4*PI)/5))*_scale;
    
    push(); //push out of current grid system
    translate(_scale,_scale);
    beginShape(POLYGON);
    vertex(s1+_x, c1+_y);
    vertex(s2+_x, -c2+_y);
    vertex(-s2+_x, -c2+_y);
    vertex(-s1+_x, c1+_y);
    vertex(0+_x, _scale+_y);
    endShape();
    pop(); // return 
  }
}