- Processing
- p5.js
- Processing.py
- Processing for Android
- Processing for Pi

- Processing Foundation

This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Core Javadoc and Libraries Javadoc.

Name | ### mousePressed
Examples |
    // Click within the image to change
    // the value of the rectangle
    void draw() {
      if (mousePressed == true) {
        fill(0);
      } else {
        fill(255);
      }
      rect(25, 25, 50, 50);
    }
Description | The mousePressed variable stores whether or not a mouse button is currently being pressed. The value is true when any mouse button is pressed, and false if no button is pressed. The mouseButton variable (see the related reference entry) can be used to determine which button has been pressed.
Related | mouseX mouseY pmouseX pmouseY mousePressed() mouseReleased() mouseClicked() mouseMoved() mouseDragged() mouseButton mouseWheel()

Updated on January 1, 2021 03:38:09am EST
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