// for minim audio
import ddf.minim.*;

import ctext.*;

CText ct;

void setup() 
{
  size(300, 300);    
  ct = new CText(this);
  ct.loadSample("beat.mp3").loop();
}

void draw() 
{
  background(200);
  strokeWeight(5);
  float pos = getSamplePosition();
  line(pos*width,0,pos*width,height);                        
}

float getSamplePosition()
{
  int current = ct.sample.getCurrentFrame();
  int total = ct.sample.getNumFrames();
  //System.out.println("current="+current+" total="+total);    
  return current/(float)total; 
}

void mouseClicked()
{
  float frame = mouseX / (float)width;
  frame *= ct.sample.getNumFrames();
  ct.sample.setCurrentFrame((int)frame);
}