int MAX_IN_ARRAY = 1000;
PImage[] images = new PImage[MAX_IN_ARRAY];
picture myPicture;
int numberFound = 0;
int z = 0;
PFont f;

boolean bimage = false;

String typing = ""; // Var to store text currently being typed
String saved = "";  // Var to store saved text when return is hit
String proxyURL  = "http://itp.nyu.edu/icm/proxy/proxy.php?url=";
//this is a relay station on itp that passes your request on, this allows your applet to work in a browser
//I told you not to worry about this and just work in proccessing            
String myURL = "";
//String[] arrayOfLines = loadStrings(myURL);

void setup(){
  size(600,450,P3D);
  myPicture = new picture();
  f = loadFont("1942report-20.vlw");
  //background(0);
}

void draw(){
  int indent = 25;
  background(0);

  //Set the font and fill for text
  fill(255);
  textFont(f);
  textMode(SCREEN);

  //Display Everything
  text("Click in this applet and type one word. \nHit return to find the related images.",indent,40);
  text(typing,indent,100);
  fill(200,200,255);
  text(saved,indent,130);
  if (bimage == true)  {
    myPicture.getPicture();
  }
}

void keyPressed()  {

  if (key == '\n')  {
    saved = typing;
    typing = "";
    myURL = "http://images.google.com/images?hl=en&q=" + saved;
    String[] arrayOfLines = loadStrings(proxyURL + myURL);
    String oneLongString = join(arrayOfLines, "");
    //the html coming back gets broken up in to lines but we want it in one long string, the join command does this
    String startingLandMark = "images?q=tbn:";  
    int startLookingAt = 0;  //this is like our cursor to start looking after the last place we found somthing
    while(true){  //different kind of repeat loop that goes for an undetermined number of interations
      //this always comes before the thing I want, notice I used the escape quote \" to include a quote in the quoted
      int start = oneLongString.indexOf(startingLandMark,startLookingAt); //you want to include the landmark  so don't do this + startingLandMark.length();  
      //find the first occurance of this landmark and then march forward past the end of the landmark
      //also notice that I used a variation of indexOf that starts looking not at the beginning of the string 
      //instead at a  point I specify, in this case after what I already found

      if (start == -1) {
        //this means it never found anything in which case we should give up the ghost
        break; //stops the repeat loop;
      }
      int end = oneLongString.indexOf(" ",start + startingLandMark.length() );  
      //look for the first end landmark, in this case a space, after the starting landmark
      String imageURL = "http://images.google.com/" + oneLongString.substring(start,end); //add google's default path
      println("image" + imageURL);
      images[numberFound] = loadImage(proxyURL + imageURL);
      numberFound++;
      startLookingAt = end + 1;
      if (numberFound >= MAX_IN_ARRAY ) {
        //don't overpack the array
        break; //stops the repeat loop;
      }
    }
    bimage = true;
  } 
  else  {
    typing = typing + key;
    myPicture.clearPicture();
    numberFound = 0;
  }
}

class picture  {

  void getPicture()  {

    float angleIncrements = 2*PI/numberFound;  //angle units between each picture, in radians 2*PI = 360 degrees
    int radius = 100;
    lights();
    camera(width/2.0*mouseX/400, height/2.0, mouseY*-8, width/2.0, height/2.0, 0, 0, 1, 0);
    for(int i = 0; i < numberFound; i++){
      noFill();
      translate(0, 0, z-i*20);
      float thisAngle = i* angleIncrements;
      float x = radius*cos(thisAngle)  + width/2-180;
      float y = radius*sin(thisAngle*.3)  + height/2-110;
      image(images[i],x,y);
    }
    //background(0);
  }

  void clearPicture()  {
    bimage = false;
    //saved = "";
    myURL = "";
  }
}