P.16 (Image to Show the Key Down)
// This method is called whenever
// the "Act' or 'Run' button gets
// pressed in the environment
public void act() {
// Check if key "g" is pressed
if(Greenfoot.isKeyDown ("g")) {
// change to gray image
setImage("white-key-down.png");
}
else {
// change to original image, i.e. white
setImage("white-key.png");
}
}