Pattern - With Child-PShapes

class Pattern{

  PShape s;
  color fillColor;
  color strokeColor;

  //simple constructor
  Pattern( PShape s){
    this.s = s;
  }

  //overloaded constructor - parameter lists are different and unique
  Pattern( PShape s, color fillColor){
    this.s = s;
    this.fillColor = fillColor;
  }

  void display(){
    if( s.getChildCount() > 0){ //special PSHape, has child shapes
      PShape[] children = s.getChildren();
      for( int i=0; i< children.length; i++){
        shape( s, 0,0); 
      }
    }else{ //no children
    s.setFill( fillColor); // different ways to set the fill for a PShape
    s.setStroke( strokeColor);
    shape( s, 0,0);
    }
  }

  //overloaded method
  void display(int mx, int my){
    s.setFill( fillColor); // different ways to set the fill for a PShape
    s.setStroke( strokeColor);
    shape( s, mx,my);
  }

} //end class Pattern