Moving Circle

gistfile1.txt

import ddf.minim.*;
import ddf.minim.analysis.*;

Minim minim;
AudioPlayer player;
AudioMetaData meta;
BeatDetect beat;
int  r = 200;
float rad = 70;
void setup()
{
  size(800, 800);
  //size(400, 400);
  minim = new Minim(this);
  player = minim.loadFile("song.mp3");
  meta = player.getMetaData();
  beat = new BeatDetect();
  player.loop();
  //player.play();
  background(-1);
  noCursor();
}

void draw()
{ 
  float t = map(mouseX, 0, width, 0, 1);
  beat.detect(player.mix);
  fill(#000000);
  noStroke();
  rect(0, 0, width, height);
  translate(width/2, height/2);
  fill(#d4bdc5);
  fill(-1, 5);
  if (beat.isOnset()) rad = rad*0.9;
  else rad = 40;

  stroke(1, 0);
  int bsize = player.bufferSize();
  for (int i = 0; i < bsize - 1; i+=5)
  {
    float x = (r)*cos(i*2*PI/bsize);
    float y = (r)*sin(i*2*PI/bsize);
    float x2 = (r + player.left.get(i)*100)*cos(i*2*PI/bsize);
    float y2 = (r + player.left.get(i)*100)*sin(i*2*PI/bsize);
    line(x, y, x2, y2);
  }
  beginShape();
  noFill();
  stroke(-1, 30);
  for (int i = 0; i < bsize; i+=30)
  {
    float x2 = (r + player.left.get(i)*100)*cos(i*2*PI/bsize);
    float y2 = (r + player.left.get(i)*100)*sin(i*2*PI/bsize);
    vertex(x2, y2);
    pushStyle();
    stroke(-1);
    strokeWeight(1);
    point(x2, y2);
    popStyle();
  }
  endShape();
  if (flag) showMeta();
}


void showMeta() {
  int time =  meta.length();
  textSize(30);
  textAlign(CENTER);
  text( (int)(time/1000-millis()/1000)/60 + ":"+ (time/1000-millis()/1000)%60, -7, 21);
}

boolean flag =false;
void mousePressed() {
  if (dist(mouseX, mouseY, width/2, height/2)<150) flag =!flag;
}

//




void keyPressed() {
  if (key==' ')exit();
  if (key=='s')saveFrame("###.jpeg");
}