touchEnded() fires "evt is undefined"

Eispfote

Hey,

I use in my programm touchEnded(), touchMoved() and touchStarted(), but touchEnded() makes problems. I tried to make a easier code example, but its the same. :/ I get this error (TypeError: evt is undefined) in this simple example:

function touchMoved() { console.log("moved"); return false; } function touchStarted() { console.log("started"); return false; } function touchEnded() { console.log("ended"); return false; }

If I touch and release directly, than I get all the console log entries. But if I moved while touching and stop it, then I never get the console log with "ended". Why?

Thank you! Eispfote

GoToLoop

https://forum.Processing.org/two/discussion/15473/readme-how-to-format-code-and-text

http://CodePen.io/GoSubRoutine/pen/egvPwb/right/?editors=1011

"index.html":

---

<script src=https://p5js.org/assets/js/p5.min.js></script>
<script src=sketch.js></script>

---

"sketch.js":

---

/**
 * Touch Starts Moves Ends (v1.0)
 * GoToLoop (2017-Jan-20)
 *
 * forum.Processing.org/two/discussion/20372/
 * touchended-fires-evt-is-undefined#Item_1
 *
 * CodePen.io/GoSubRoutine/pen/egvPwb/right/?editors=1011
*/

"use strict";

function setup() {
  createCanvas(500, 300);
  frameRate(1);
}

function draw() {
  background('#' + hex(~~random(0x1000), 3));
}

function touchStarted() {
  console.log('started');
  return false;
}

function touchMoved() {
  console.log('moved');
  return false;
}

function touchEnded() {
  console.log('ended');
  return false;
}

---

Eispfote

Thanks for your answer. No error, but its the same problem. When I use touch and pressed the finger on the display while moving and release --> nothing happens Only if I tapped on the display I get "ended"?

GoToLoop

You're right! Visiting http://CodePen.io/GoSubRoutine/pen/egvPwb/right/?editors=1011, I've only used a regular mouse. Now after checking it out w/ a laptop's touchpad, I've got the buggy behavior you've described. Nothing when I drag my finger. And a simple tap click only gets me start & end, but no move at all. :|

However, I've found out a workaround. Rather than tap once, double tap it and hold it down. Then we can drag our finger *-:)

Another online example to test it better. Although it's using mouseDragged() instead of touchMoved() for the original example. But it doesn't seem to make any difference in my laptop: @-)

http://CodePen.io/jacorre/pen/woyNXG/right/?editors=001
http://CodePen.io/anon/pen/bBQOKV/right/?editors=0011

I guess you should contact the devs about how to allow touch dragging w/o needing to double-tap it 1st. Some past touch related issues below: :-\"

https://GitHub.com/processing/p5.js/issues?utf8=✓&q=is:issue touch

GoToLoop

https://GitHub.com/processing/p5.js/issues/1775

https://CodePen.io/Eispfote/pen/YNQyWX/right/?editors=0011