Reference for Processing version 1.2. If you have a previous version, use the reference included with your software. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Javadoc.
| Name | keyPressed |
|---|---|
| Examples | // 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 draw() {
if (keyPressed == true) {
fill(0);
} else {
fill(255);
}
rect(25, 25, 50, 50);
} |
| Description | The boolean system variable keyPressed is true if any key is pressed and false if no keys are pressed. |
| Syntax | keyPressed |
| Usage | Web & Application |
| Related | key keyCode keyPressed() keyReleased() |
