// Drawing polygon flowers with turtles.
// Created by Stanzi on 11/9/97
// Updated by Lyn on 4/12/98

import java.awt.*;       // Import Abstract Window Toolkit
import java.applet.*;    // Import Applet stuff

public class FlowerWorld extends TurtleWorld {
 
 ParameterFrame params;
 String parameterNames [ ] = {"Petals", "Sides", "Length"}; 
 CheckboxGroup checkboxes = new CheckboxGroup();
 //Checkbox tailBox = new Checkbox("flowerTail", checkboxes, true);
 Checkbox whileBox = new Checkbox("flowerWhile", checkboxes, false); 
 Checkbox forBox = new Checkbox("flowerFor", checkboxes, false); 
 Checkbox nestForBox = new Checkbox("flowerNestedFor", checkboxes, false); 
 
 
 public void setup() {
  params = new ParameterFrame("Flower Parameters", 150, 175, parameterNames);
  Panel northPanel = params.getNorthPanel();
  northPanel.setLayout(new GridLayout(3,1));
  //northPanel.setLayout(new GridLayout(4,1));
  //northPanel.add(tailBox);
  northPanel.add(whileBox);
  northPanel.add(forBox);
  northPanel.add(nestForBox);
  params.show();
 }

 public void run() {
   FlowerMaker flora = new FlowerMaker();
   int petals = params.getIntParam("Petals");
   int sides = params.getIntParam("Sides");
   int length = params.getIntParam("Length");
   /* if (tailBox.getState()) {
    flora.flower(petals, sides, length);
    } else 
    */
   if (whileBox.getState()) {
     flora.flowerWhile(petals, sides, length);
   } else if (forBox.getState()) {
     flora.flowerFor(petals, sides, length);
   } else { // if (forBox.getState())
     flora.flowerNestedFor(petals, sides, length);
   }
 }
 
   //------------------------------------------------------------------------------
  // The following main method is needed to run the applet as an application
  
  public static void main (String[] args) {
    runAsApplication(new FlowerWorld(), "FlowerWorld"); 
  }
}

class FlowerMaker extends PolygonMaker {
  
  public void flowerWhile(int petals, int sides, int length){
    double angle = 360.0/(double)sides;
    while (petals > 0) {
      polygonFor(sides,length);
      lt(angle);
      petals = petals - 1;
    }
  }
  
// for loop implementation which uses a counter which counts up
  public void flowerFor(int petals, int sides, int length){
    double angle = 360.0/(double)sides;
    for (int i = 1; i <= petals; i=i+1) {
      polygonWhile(sides,length);
      lt(angle);
    }
  }
  
  public void flowerNestedFor(int petals, int sides, int length){
    double petalAngle = 360.0/(double)petals;
    double polyangle = 360.0/(double)sides;
    for (int i = 1; i <= petals; i=i+1) {
      for (int j = 1; j <= sides; j=j+1) {
        fd(length);
        lt(polyangle);
      }
      lt(petalAngle);
    }
  }
}