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| The Processing 1.0 _ALPHA_ Reference is a work in progress. If you see any errors or have any comments, please write to: reas at groupc.net

Name |  | ### mouseDragged()
Examples |  |
    // Drag (click and hold) your mouse across the
    // image to change the value of the rectangle

    int value = 0;

    void loop() {
      fill(value);
      rect(25, 25, 50, 50);
    }

    void mouseDragged()
    {
      value = value + 5;
      if (value > 255) {
        value = 0;
      }
    }
Description |  | Called every time the mouse moves and the mouse button is pressed. When using a mouse with more than one button, only the left button is detected.
Syntax |  |
    mouseDragged
Returns |  | None
Usage |  | Web & Application
Related |  | mouseX mouseY pmouseX pmouseY mousePressed mousePressed() mouseReleased() mouseMoved()

| © 2004 - 2001 Massachusetts Institute of Technology and Interaction Design Institute Ivrea |
| Processing is an open project initiated by Ben Fry and Casey Reas |