import ddf.minim.*;
import ddf.minim.signals.*;
import ddf.minim.analysis.*;
import ddf.minim.effects.*;

Minim minim;
AudioPlayer sound;

float currL = 0;

PFont f;
String message = "I feel like I'm taking crazy pills! I invented the piano key necktie, I invented it! What have you done, Derek? Nothing! You've done nothing! NOTHING!";
// An array of Letter objects
Letter[] letters;

void setup() {
  size(1250, 200);
  // Load the font
  f = createFont("Arial", 18, true);
  textFont(f);

  minim = new Minim(this);
  sound = minim.loadFile("Mugatu.mp3", 512);

  sound.play();
  smooth();

  // Create the array the same size as the String
  letters = new Letter[message.length()];
  // Initialize Letters at the correct x location
  int x = 16;
  for (int i = 0; i < message.length(); i++) {
    letters[i] = new Letter(x, 100, message.charAt(i)); 
    x += textWidth(message.charAt(i));
  }
}

void draw() { 
  background(85, 138, 48);
  for (int i = 0; i < letters.length; i++) {
    // Display all letters
    letters[i].display();

    float amp = sound.mix.level(); // how loud something is
    if (amp > 0.05) {
      for (int j = (int)currL; j < currL+3; j++) {
        if(j>149) j = 149;
        letters[j].shake();
      }
      currL+=0.0027;
    }
    else {
      letters[i].home();
    }
  }
}

// A class to describe a single Letter
class Letter {
  char letter;
  // The object knows its original "home" location
  float homex, homey;
  // As well as its current location
  float x, y;

  Letter (float x_, float y_, char letter_) {
    homex = x = x_;
    homey = y = y_;
    letter = letter_;
  }

  // Display the letter
  void display() {
    fill(0);
    textAlign(LEFT);
    text(letter, x, y);
  }

  // Move the letter randomly
  void shake() {
    x += random(-1, 1);
    y += random(-2, 2);
  }

  // Return the letter home
  void home() {
    x = homex;
    y = homey;
  }
}