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URL: https://processing.org/reference/mousepressed

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Name

mousePressed

Description

The mousePressed variable stores whether a mouse button has been pressed. The mouseButton variable (see the related reference entry) can be used to determine which button has been pressed.

Mouse and keyboard events only work when a program has draw(). Without draw(), the code is only run once and then stops listening for events.

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);
}