import processing.sound.*;
import processing.pdf.*;

PGraphicsPDF pdf;
AudioIn in;
Amplitude amp;

boolean recording;
float b;
float sum;
float sFactor= 0.25;
float rmsScaled;
float z = (random(10));

void setup() {
  size(600, 1000);
  background(0);
  translate(width/2, height/2);
  loop();

  surface.setResizable(true);

  // Create the Input stream
  in = new AudioIn(this, 0);
  in.play();
  amp = new Amplitude(this);
  amp.input(in);
  frameRate(5);

  pdf = (PGraphicsPDF) createGraphics(width, height, PDF, "pause-resume.pdf");
}

void draw() {
  fill(0,241);
  stroke(255);
  sum = (amp.analyze() )* sFactor;
  rmsScaled = sum * (height/2) * mouseY;
//  println(rmsScaled);
//  println(frameCount);
  println(b);


beginShape();

for(int i = 0; i < frameCount*2; i++){
  if(i%2==0){
//    b = random(0,(rmsScaled)/(100-i));
    b = int(random(0,rmsScaled*i/80000));
    float radius = i + b;
    float x = cos(radians(i * 3.6)) * radius;
    float y = sin(radians(i * 3.6)) * radius;
    curveVertex(width/2+x, height/2+y);
  }
  if(i%2==1){
    b = int(random(0,rmsScaled*i/80000));
    float radius = i - b;
    float x = cos(radians(i * 3.6)) * radius;
    float y = sin(radians(i * 3.6)) * radius;
//    curveVertex(width/2+x, height/2-y);
    curveVertex(width/2+x, height/2+y);
  }
}
endShape();
}

void keyPressed() {
  if (keyCode == ENTER){
      saveFrame("image_####.jpg");
    }
  if (key == 'r') {
    if (recording) {
      endRecord();
      println("Recording stopped.");
      recording = false;
    } else {
      beginRecord(pdf);
      println("Recording started.");
      recording = true;
    }
  } else if (key == 'q') {
    if (recording) {
      endRecord();
    }
    exit();
  }
}