keyPressed Input/Output Keyboard Web & Application keyPressed.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() 1.0 System variable Core