keyPressed \ Language (API) \ Processing 1.0






























Language (A-Z) \ Libraries \ Tools \ Environment






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 keyCodekeyPressed() keyReleased()

Updated on June 14, 2010 12:05:29pm EDT












Processing was initiated by Ben Fry and Casey Reas. It is developed by a small team of volunteers.


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