//scribble global variables
float x;
float y;
//text global variables
PFont f;              // holds font
String[] poem;    //  array to hold all of the text
int counter = 0;   // start at beginning of text

// scribble delimiters
String delimiters = "e";

void setup() {
  //parameters for text viz
  size(320,240);
  smooth();
  background(255);
  //start x and y
  x = width/2;
  y = height/2;
  


  
  // Load poem generated by automator into an array of strings
  String url = "poem.txt";
  String[] rawtext = loadStrings(url);
  
  // Join the big array together as one long string
  String everything = join(rawtext, "" );
  
  // All the lines in poem are first joined as one big String and then split up into an array of individual pieces based on the letter "e." 

  poem = split(everything,delimiters);
  frameRate(5);
}

void draw() {
  
  // Pick one word from poem
  String theword = poem[counter];
  
  // Count how many times that word appears in poem
  int total = 0;
  for (int i = 0; i < poem.length; i ++ ) {
    if (theword.equals(poem[i])) {
      total ++;
    }
  }
  
  // Display squares for this data
  stroke(random(0, total+100), 100, random(0, (total*2)));
  noFill();
  rect((total*2), random(total, 100), 2, 2);
  
  
  // Move onto the next word
  counter = (counter + 1) % poem.length;
  
  
  //scribbler
  // A new x,y location is picked as the current (x,y) plus or minus a random value. 
  // The new location is constrained within the window's pixels.  
  float newx = constrain(x + random(-40,40),0,width);
  float newy = constrain(y + random(-40,40),0,height);
  
  // Draw a line from x,y to the newx,newy
  stroke(random(0, total), random(0, total+100), total+50, random(63, 255));
  strokeWeight(4);
  line(x,y,newx,newy);
  
  // save the new location in (x,y) in order to start the process over again.
  x = newx; 
  y = newy;
}