AutoClick.pde

import java.awt.event.*;
import java.awt.Robot;

Robot bot = null;
int nextClick = (int)random(15, 50);

void setup() {
  try {
    bot = new Robot();
  } 
  catch (Exception failed) {
    System.err.println("Failed instantiating Robot: " + failed);
  }
}

void draw() {
  if(frameCount > nextClick)
  {
    nextClick = frameCount + (int)random(15, 50);
    click();
  }
}

void click() {
  int mask = InputEvent.BUTTON1_DOWN_MASK;
  bot.mousePress(mask);
  bot.mouseRelease(mask);
}