keyPressed() Input/Output Keyboard Web & Application keyPressed_.jar


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

int value = 0;

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

void keyPressed() 
{
  if(value == 0) {
    value = 255;
  } else {
    value = 0;
  }
}

The keyPressed() function is called once every time a key is pressed. As a general rule, nothing should be draw within the keyPressed() block. void keyPressed() { statements } None keyPressed key keyCode keyReleased() 1.0 Function Core