// Mouse & Keyboard Controls

void keyPressed() 
{
  // make sure the mouse isn't clicked
  if (mousePressed == false)
  {  
    // create a new stimulus of type 1 with strength 100
    if (keyCode == DOWN) 
    {
      G_totalStimuli.addStimulus(new Stimulus(mouseX, mouseY, 1, 100));
    }
    // create a sensor that reads type 1 stimulus with a positive correlation
    if (keyCode == UP)
    {
      G_totalStimuli.addStimulus(new Stimulus(mouseX, mouseY, 2, 100));
    }
  }
}

// ----------------------------------------------------------------------------------------------------------------

// if a stimulus is clicked on get that current stimulus
int i_itemfoundTest = 1, i_currentItem;
void mouseClicked()
{
  for (int i = G_totalStimuli.sizeStimulus()-1; i > -1; i--)
  {
    if ((mouseX < G_totalStimuli.getlocationX(i)+10) && (mouseX > G_totalStimuli.getlocationX(i)-10))
    {
      if ((mouseY < G_totalStimuli.getlocationY(i)+10) && (mouseY > G_totalStimuli.getlocationY(i)-10)) 
      {
        i_itemfoundTest *= -1;
        i_currentItem = i;          
      }
    }
  }
}