This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Core Javadoc and Libraries Javadoc.

Name

keyReleased()

Examples
// Click on the image to give it focus,
// and then press any key.

int value = 0;

void draw() {
  fill(value);
  rect(25, 25, 50, 50);
}

void keyReleased() {
  if (value == 0) {
    value = 255;
  } else {
    value = 0;
  }
}
Description The keyReleased() function is called once every time a key is released. The key that was released will be stored in the key variable. See key and keyCode for more information.

Mouse and keyboard events only work when a program has draw(). Without draw(), the code is only run once and then stops listening for events.
Syntax
keyReleased()
keyReleased(event)
Returnsvoid
Relatedkey
keyCode
keyPressed
keyPressed()
Updated on September 22, 2016 07:39:31pm EDT

Creative Commons License