Minim not working on P2D

edited May 2016 in Library Questions

Hello all!

here my first question in the forum, i´m trying to draw a audio reactive lines on screen using the minim library, and all works fine, but when i use the P2D or P3D in the size function that stop working.

using the 2.2.1 version of processing not work. using the 1.5.1 version of processing it works.

what can i do?

thnxs in advance, sorry for the bad english..

here´s the code:

  import ddf.minim.*;//minim

Minim minim;
AudioInput in;
float eyey = 300;

void setup() {
  size (500, 500,P2D);// it does not work
  // size (500, 500,P2D);// is working

  //Minim entrada de audio
  minim = new Minim(this);
  in = minim.getLineIn();

void draw() {
  difumina(0, 10);


void mousePressed() {

void llora( float _y){

 for (int i = 0; i < in.bufferSize () - 1; i++)
    //Variables waveform
    float x1 = map(i, 0, in.bufferSize(), 0, width);

    stroke(255, 255);
    line(x1, _y+ in.right.get(i)*500, x1, _y+ in.right.get(i)*500);


//Función fondo pantalla
void difumina(color c, float al) {

  fill(c, al);

  rect (-2, -2, width +10, height +10);


  • edited May 2015 Answer ✓


    you are doing something a bit odd here using line to draw points:

        line(x1, _y+ in.right.get(i)*500, x1, _y+ in.right.get(i)*500);

    I can only guess there is some kind of optimization in P5 2.2.1 when rendering a line that has a distance too small between its beginning and end just replace this line by

        point(x1, _y+ in.right.get(i)*500);

    and your code gives the same result in Processing 1.5.1 and Processing 2.2.1 (Tested)



  • Thanks very much, it works perfect! :D

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