import jan.*;
import java.awt.*;

class Rectangle {              // creates a class Rectangle
	 int x;					   // with variables for coordinates, size, and color
	 int y;
	 int height;
	 int width;
	 Color color;
}

public class A2P2 extends Biotope implements Executable {
	Rectangle rectangles[];   // creates array of type Rectangle
	int i;
	public static void main (String arguments []) {main ("A2P2", "mode=input,draw");}

	int xMax=350;             // boundaries of the screen
	int yMax=350;  
  
	public void initialize () {
		addDataLine ("3");
		message("Enter the number of rectangles");
		message("and click to rotate");
	}

  public void execute () {

	  setOrigin(xMax/2,yMax/2);            // places origin in middle
	  initGecko(xMax/2,yMax,90);
	  setColor(Biotope.tail, transparent);
	  setAlignment(Biotope.center);
	  i=readInteger();
	  rectangles=new Rectangle[i];
	  for (int j=0;j<i;j++) {
		  Color randomColor = new Color ( (int)(255*Math.random()), (int)(255*Math.random()), (int)(255*Math.random()) );
		  rectangles [j]=new Rectangle();    // creates a new record of type Rectangle
		  rectangles [j].height=(int)(100-Math.random()*30);
		  rectangles [j].width=(int)(100-Math.random()*30);
		  rectangles [j].color=randomColor;
		  rectangles [j].x=(int)((xMax/2)-((xMax-rectangles [j].x/2)*Math.random()));
		  rectangles [j].y=(int)((yMax/2)-((yMax-rectangles [j].y/2)*Math.random()));
	  }
	  for (int j=0;j<i;j++) {
		  setColor(Biotope.insideFrame,rectangles[j].color);
		  setFrameSize(rectangles [j].width,rectangles [j].height);
		  goTo(rectangles [j].x,rectangles [j].y);
		  dropFrame(); 
	  }
  }

  public void click(int x,int y) {
	                               // rotates all rectangles upon click
	  clear();
	  for (int j=0;j<i;j++) { 
		  int temp;
		  temp=rectangles[j].x;
		  rectangles[j].x=(-1)*rectangles[j].y;
		  rectangles[j].y=temp;
		  temp=rectangles[j].width;
		  rectangles[j].width=rectangles[j].height;
		  rectangles[j].height=temp;
		  setColor(Biotope.insideFrame,rectangles[j].color);
		  setFrameSize(rectangles[j].width,rectangles[j].height);
		  goTo(rectangles[j].x,rectangles[j].y);
		  dropFrame();
	  }
  }
}