Dog 1000 0 0 100 dog.gif Dog is normal. weight>120 fat 80>weight thin fatdog.gif Dog is fat. 120>weight normal weight>150 fatdead fatdeaddog.gif Dog is dead. thindog.gif Dog is thin. weight>80 normal 60>weight thindead thindeaddog.gif Dog is dead. wag.gif Dog is wagging its tail. (wagtime++)>5 normal mean.gif Dog is angry. (wagtime++)>5 normal feeddog weight=weight+10;elapsed=0; petdog wagtime=0; prewagcurrent=curstate; if (Math.random()>Math.min(elapsed/interval,19)/20) {curstate="wagging";} else {curstate="mean";} elapsed=elapsed+interval; weight=weight-1;