keyPressedInput/OutputKeyboardWeb & ApplicationkeyPressed.jar
// Click on the image to give it focus
// and press any key
// Note: the rectangle in this example may
// flicker as the operating system may
// register a long key press as a repetition
// of key presses
void loop() {
if (keyPressed == true) {
fill(0);
} else {
fill(255);
}
rect(25, 25, 50, 50);
}
The boolean system variable keyPressed is true if any key is pressed and false if no keys are pressed.
keyPressed
key
keyCode
keyPressed()
keyReleased()
1.0System variableCore