public class monster extends Actor { private GreenfootImage image1 = new GreenfootImage ("spr_monster_idle_0.png"); private GreenfootImage image2 = new GreenfootImage ("spr_monster_idle_1.png"); private int time = 0; public void act() { if(time > 0){ time --;} else{ animate(); } } public void animate() { if(getImage().equals("spr_monster_idle_0.png")){ setImage("spr_monster_idle_1.png"); time = 30; } else if(getImage().equals("spr_monster_idle_1.png")){ setImage("spr_monster_idle_0.png"); time = 30; } }