这几天在学习一些unity小游戏，知道的一些小游戏代码，现在把部分小游戏--植物大战僵尸代码找出来了。

 //僵尸
function MoveZombies(){
 //僵尸移动
if(Win==-1){return(false);}
var aZom=getElementsByName('img','Zombies');
var ob,C,OZombie;
for(var n=0;n<aZom.length;n++){
ob=aZom[n];
eval('OZombie='+ob.EName);
if(ob.FreeSlowTime!=''){ //判断是否取消减速
if(new Date()>ob.FreeSlowTime&&ob.HP>OZombie.BreakPoint){
ob.FreeSlowTime='';
ob.style.filter='';
ob.Speed=OZombie.Speed;
}
}
if(ob.isAttacking==0&&ob.HP>OZombie.BreakPoint){
ZombieAttack(ob.id);
}
var LX,RX;
LX=ob.AttackedLX; //实时改变的左受攻击点的X
RX=ob.AttackedRX; //实时改变的右受攻击点的X
if(ob.isAttacking==0){
if(ob.WalkDirection==0){ //往左走
ob.X-=ob.Speed;
ob.style.pixelLeft=Math.floor(ob.X);
LX-=ob.Speed;RX-=ob.Speed;
C=GetC(LX);
switch(true){
case C==0: //走到剪草机
var jcj=document.getElementById('LawnMower'+ob.R);
if(jcj=='[object]'){ //剪草机还在
LawnMowerKill(ob.R); //剪草机
}
break;
case C<0: //进入房间
Win=-1;
GameOver();
return(false);
break;
}
}else{ //往右走
ob.X+=ob.Speed;
ob.style.pixelLeft=Math.ceil(ob.X);
LX+=ob.Speed;
RX+=ob.Speed;
ob.style.pixelLeft+=ob.Speed;
if(ob.style.pixelLeft>=oGP.MaxWidth){ //向右走出了屏幕
OZombie.Die(ob);
continue;
}
C=GetC(RX);
}
ob.AttackedLX=LX; //实时改变的左受攻击点的X
ob.AttackedRX=RX; //实时改变的右受攻击点的X
if(C!=ob.C&&C>0){
oGP.aZombie[ob.C][ob.R]=oGP.aZombie[ob.C][ob.R].replace(ob.id+',','');
oGP.aZombie[C][ob.R]+=ob.id+',';
ob.C=C;
}
}
}
setTimeout('MoveZombies()',100);
}
 /*-------------------普通僵尸---------------------------*/
function CZombie(){
this.EName='oZombie';
this.CName='普通僵尸';
this.width=87;
this.height=144;
this.HP=270;
this.BreakPoint=90;
this.Ornaments=0; //饰品种类，123三种
this.OrnHP=0; //饰品HP
this.Speed=1.8;
this.WalkDirection=0;
this.Attack=100;
this.canAppear='[草地][屋顶]';
this.Location='地上';
this.againstFreeze=0; //免疫冰冻
this.againstSlow=0; //免疫减速
this.againstSputtering=0; //免疫溅射
this.againstRaven=0; //是否免疫食人花的吞噬
this.againstSetbody=0; //是否免疫定身
this.beAttackedPointL=10;
this.beAttackedPointR=77;
var tmpImg1=new Image();
tmpImg1.src='images/Zombies/Zombie/Zombie.gif';
dicZombiesGif.add('oZombie',tmpImg1);
var tmpImg2=new Image();
tmpImg2.src='images/Zombies/Zombie/ZombieAttack.gif';
dicZombiesGif.add('oZombieAttack',tmpImg2);
this.NormalGif=dicZombiesGif('oZombie').src;
this.AttackGif=dicZombiesGif('oZombieAttack').src;
}
CZombie.prototype.Birth=function(ob){
oGP.aZombie[ob.C][ob.R]+=(ob.id)+',';
}
CZombie.prototype.Die=function(ob){
NumZombies-=1;
oGP.aR[ob.R]-=1;
oGP.aZombie[ob.C][ob.R]=oGP.aZombie[ob.C][ob.R].replace(ob.id+',','');
document.getElementById('dAll').removeChild(ob);
}
/*
CZombie.prototype.Die=function(ob){
ob.style.pixelTop+=50;
ob.style.pixelLeft-=70;
ob.style.filter='progid:DXImageTransform.Microsoft.BasicImage(rotation=3)';
ob.name='';
window.setTimeout('oZombie.Die2('+ob.id+')',200);
}
*/
CZombie.prototype.GoingDie=function(ob){
ob.beAttacked=0; //????,????±????÷
ob.HP=ob.HP-60;
ob.style.filter='gray';
if(ob.HP<=0){
this.Die(ob);
}else{
setTimeout('oZombie.GoingDie('+ob.id+')',1000);
}
}
 /*-------------------旗帜僵尸---------------------------*/
function CFlagZombie(){
this.EName='oFlagZombie';
this.CName='旗帜僵尸';
this.width=111;
this.height=143;
this.HP=270;
this.BreakPoint=90;
this.Ornaments=0; //饰品种类，123三种
this.OrnHP=0; //饰品HP
this.Speed=2.2;
this.WalkDirection=0;
this.Attack=100;
this.canAppear='[草地][屋顶]';
this.Location='地上';
this.againstFreeze=0; //免疫冰冻
this.againstSlow=0; //免疫减速
this.againstSputtering=0; //免疫溅射
this.againstRaven=0; //是否免疫食人花的吞噬
this.beAttackedPointL=10;
this.beAttackedPointR=101;
var tmpImg1=new Image();
tmpImg1.src='images/Zombies/FlagZombie/FlagZombie.gif';
dicZombiesGif.add('oFlagZombie',tmpImg1);
var tmpImg2=new Image();
tmpImg2.src='images/Zombies/FlagZombie/FlagZombieAttack.gif';
dicZombiesGif.add('oFlagZombieAttack',tmpImg2);
this.NormalGif=dicZombiesGif('oFlagZombie').src;
this.AttackGif=dicZombiesGif('oFlagZombieAttack').src;
}
CFlagZombie.prototype.Birth=function(ob){
oGP.aZombie[ob.C][ob.R]+=(ob.id)+',';
}
CFlagZombie.prototype.Die=function(ob){
NumZombies-=1;
oGP.aR[ob.R]-=1;
oGP.aZombie[ob.C][ob.R]=oGP.aZombie[ob.C][ob.R].replace(ob.id+',','');
document.getElementById('dAll').removeChild(ob);
}
CFlagZombie.prototype.GoingDie=function(ob){
ob.beAttacked=0;
ob.HP=ob.HP-60;
ob.style.filter='gray';
if(ob.HP<=0){
this.Die(ob);
}else{
setTimeout('oFlagZombie.GoingDie('+ob.id+')',1000);
}
}
 /*-------------------路障僵尸---------------------------*/
function CConeheadZombie(){
this.EName='oConeheadZombie';
this.CName='路障僵尸';
this.width=87;
this.height=144;
this.HP=270;
this.BreakPoint=90;
this.Ornaments=1; //饰品种类，123三种
this.OrnHP=370; //饰品HP
this.Speed=1.6;
this.WalkDirection=0;
this.Attack=100;
this.canAppear='[草地][屋顶]';
this.Location='地上';
this.againstFreeze=0; //免疫冰冻
this.againstSlow=0; //免疫减速
this.againstSputtering=0; //免疫溅射
this.againstRaven=0; //是否免疫食人花的吞噬
this.beAttackedPointL=10;
this.beAttackedPointR=77;
var tmpImg1=new Image();
tmpImg1.src='images/Zombies/ConeheadZombie/ConeheadZombie.gif';
dicZombiesGif.add('oConeheadZombie',tmpImg1);
var tmpImg2=new Image();
tmpImg2.src='images/Zombies/ConeheadZombie/ConeheadZombieAttack.gif';
dicZombiesGif.add('oConeheadZombieAttack',tmpImg2);
 //使用普通僵尸的行动和攻击动画作为饰品消失后的动画
if(!dicZombiesGif.Exists('oZombie')){
var tmpImg3=new Image();
tmpImg3.src='images/Zombies/Zombie/Zombie.gif';
dicZombiesGif.add('oZombie',tmpImg3);
var tmpImg4=new Image();
tmpImg4.src='images/Zombies/Zombie/ZombieAttack.gif';
dicZombiesGif.add('oZombieAttack',tmpImg4);
}
this.NormalGif=dicZombiesGif('oConeheadZombie').src;
this.AttackGif=dicZombiesGif('oConeheadZombieAttack').src;
this.OrnLostNormalGif=dicZombiesGif('oZombie').src; //失去饰品以后的行动动画
this.OrnLostAttackGif=dicZombiesGif('oZombieAttack').src; //失去饰品以后的攻击动画
}
CConeheadZombie.prototype.Birth=function(ob){
oGP.aZombie[ob.C][ob.R]+=(ob.id)+',';
}
CConeheadZombie.prototype.Die=function(ob){
NumZombies-=1;
oGP.aR[ob.R]-=1;
oGP.aZombie[ob.C][ob.R]=oGP.aZombie[ob.C][ob.R].replace(ob.id+',','');
document.getElementById('dAll').removeChild(ob);
}
 /*
CZombie.prototype.Die=function(ob){
ob.style.pixelTop+=50;
ob.style.pixelLeft-=70;
ob.style.filter='progid:DXImageTransform.Microsoft.BasicImage(rotation=3)';
ob.name='';
window.setTimeout('oZombie.Die2('+ob.id+')',200);
}
*/
CConeheadZombie.prototype.GoingDie=function(ob){
ob.beAttacked=0; //????,????±????÷
ob.HP=ob.HP-60;
ob.style.filter='gray';
if(ob.HP<=0){
this.Die(ob);
}else{
setTimeout('oConeheadZombie.GoingDie('+ob.id+')',1000);
}
}
 /*-------------------铁桶僵尸---------------------------*/
function CBucketheadZombie(){
this.EName='oBucketheadZombie';
this.CName='铁桶僵尸';
this.width=97;
this.height=142;
this.HP=270;
this.BreakPoint=90;
this.Ornaments=1; //饰品种类，123三种
this.OrnHP=1100; //饰品HP
this.Speed=1.6;
this.WalkDirection=0;
this.Attack=100;
this.canAppear='[草地][屋顶]';
this.Location='地上';
this.againstFreeze=0; //免疫冰冻
this.againstSlow=0; //免疫减速
this.againstSputtering=0; //免疫溅射
this.againstRaven=0; //是否免疫食人花的吞噬
this.beAttackedPointL=10;
this.beAttackedPointR=87;
var tmpImg1=new Image();
tmpImg1.src='images/Zombies/BucketheadZombie/BucketheadZombie.gif';
dicZombiesGif.add('oBucketheadZombie',tmpImg1);
var tmpImg2=new Image();
tmpImg2.src='images/Zombies/BucketheadZombie/BucketheadZombieAttack.gif';
dicZombiesGif.add('oBucketheadZombieAttack',tmpImg2);
 //使用普通僵尸的行动和攻击动画作为饰品消失后的动画
if(!dicZombiesGif.Exists('oZombie')){
var tmpImg3=new Image();
tmpImg3.src='images/Zombies/Zombie/Zombie.gif';
dicZombiesGif.add('oZombie',tmpImg3);
var tmpImg4=new Image();
tmpImg4.src='images/Zombies/Zombie/ZombieAttack.gif';
dicZombiesGif.add('oZombieAttack',tmpImg4);
}
this.NormalGif=dicZombiesGif('oBucketheadZombie').src;
this.AttackGif=dicZombiesGif('oBucketheadZombieAttack').src;
this.OrnLostNormalGif=dicZombiesGif('oZombie').src; //失去饰品以后的行动动画
this.OrnLostAttackGif=dicZombiesGif('oZombieAttack').src; //失去饰品以后的攻击动画
}
CBucketheadZombie.prototype.Birth=function(ob){
//???????ú
oGP.aZombie[ob.C][ob.R]+=(ob.id)+',';
}
CBucketheadZombie.prototype.Die=function(ob){
NumZombies-=1;
oGP.aR[ob.R]-=1;
oGP.aZombie[ob.C][ob.R]=oGP.aZombie[ob.C][ob.R].replace(ob.id+',','');
document.getElementById('dAll').removeChild(ob);
}
CBucketheadZombie.prototype.GoingDie=function(ob){
ob.beAttacked=0; 
ob.HP=ob.HP-60;
ob.style.filter='gray';
if(ob.HP<=0){
this.Die(ob);
}else{
setTimeout('oBucketheadZombie.GoingDie('+ob.id+')',1000);
}
}
 /*-------------------橄榄球僵尸---------------------------*/
function CFootballZombie(){
this.EName='oFootballZombie';
this.CName='橄榄球僵尸';
this.width=154;
this.height=160;
this.HP=270;
this.BreakPoint=90;
this.Ornaments=1; //饰品种类，123三种
this.OrnHP=1400; //饰品HP
this.Speed=3.2;
this.WalkDirection=0;
this.Attack=100;
this.canAppear='[草地][屋顶]';
this.Location='地上';
this.againstFreeze=0; //免疫冰冻
this.againstSlow=0; //免疫减速
this.againstSputtering=0; //免疫溅射
this.againstRaven=0; //是否免疫食人花的吞噬
this.beAttackedPointL=20;
this.beAttackedPointR=134;
var tmpImg1=new Image();
tmpImg1.src='images/Zombies/FootballZombie/FootballZombie.gif';
dicZombiesGif.add('oFootballZombie',tmpImg1);
var tmpImg2=new Image();
tmpImg2.src='images/Zombies/FootballZombie/FootballZombieAttack.gif';
dicZombiesGif.add('oFootballZombieAttack',tmpImg2);
var tmpImg3=new Image();
tmpImg3.src='images/Zombies/FootballZombie/FootballZombieOrnLost.gif';
dicZombiesGif.add('oFootballZombieOrnLost',tmpImg3);
var tmpImg4=new Image();
tmpImg4.src='images/Zombies/FootballZombie/FootballZombieOrnLostAttack.gif';
dicZombiesGif.add('oFootballZombieOrnLostAttack',tmpImg4);
this.NormalGif=dicZombiesGif('oFootballZombie').src;
this.AttackGif=dicZombiesGif('oFootballZombieAttack').src;
this.OrnLostNormalGif=dicZombiesGif('oFootballZombieOrnLost').src; //失去饰品以后的行动动画
this.OrnLostAttackGif=dicZombiesGif('oFootballZombieOrnLostAttack').src; //失去饰品以后的攻击动画
}
CFootballZombie.prototype.Birth=function(ob){
oGP.aZombie[ob.C][ob.R]+=(ob.id)+',';
}
CFootballZombie.prototype.Die=function(ob){
NumZombies-=1;
oGP.aR[ob.R]-=1;
oGP.aZombie[ob.C][ob.R]=oGP.aZombie[ob.C][ob.R].replace(ob.id+',','');
document.getElementById('dAll').removeChild(ob);
}
CFootballZombie.prototype.GoingDie=function(ob){
ob.beAttacked=0;
ob.HP=ob.HP-60;
ob.style.filter='gray';
if(ob.HP<=0){
this.Die(ob);
}else{
setTimeout('oFootballZombie.GoingDie('+ob.id+')',1000);
}
}
function ZombieAttack(id){
var ob=document.getElementById(id);
if(ob!='[object]'){return(false);}
var OZombie;
eval('OZombie='+ob.EName);
if(ob.HP<=OZombie.BreakPoint){return(false);}
var n,obPlant,OPlant;
if(ob.WalkDirection==0){ //向左走的僵尸
for(n=ob.C;n>=(ob.C-1);n--){
if(n>oGP.MaxC||n<1){continue;}
if(oGP.aPlant[n][ob.R][1]!=''){
obPlant=document.getElementById(oGP.aPlant[n][ob.R][1]);
break;
}else{
if(oGP.aPlant[n][ob.R][0]!=''){
obPlant=document.getElementById(oGP.aPlant[n][ob.R][0]);
break;
}else{
if(oGP.aGroundPlant[n][ob.R][0]!=''){
obPlant=document.getElementById(oGP.aGroundPlant[n][ob.R][0]);
break;
}else{
continue;
}
}
}
}
if(obPlant!='[object]'){ //没有植物
if(ob.isAttacking==1){
ob.src=ob.NormalGif;
ob.isAttacking=0;
}
return(false);
}
eval('OPlant='+obPlant.EName);
if(OPlant.canEat==0){ //植物不能被吃,比如地刺
if(ob.isAttacking==1){
ob.src=ob.NormalGif;
ob.isAttacking=0;
}
return(false);
}
if((ob.AttackedLX<=obPlant.AttackedRX)&&(ob.AttackedRX>=obPlant.AttackedLX)){ //僵尸的左攻击点小于植物的右攻击点，并且僵尸右攻击点大于植物左攻击点
if(ob.isAttacking==0){ob.src=ob.AttackGif;}
if(obPlant.EName=='oGralic'){ //?ó??
obPlant.HP-=20;
if(obPlant.HP<OPlant.BreakPoint){
OPlant.Die(obPlant);
ob.src=ob.NormalGif;
ob.isAttacking=0;
return(false);
}else{
PlantStatus(obPlant.id);
ob.isAttacking=1;
setTimeout('ZombieEatGralic("'+ob.id+'")',1000);
return(false);
}
}else{
ob.isAttacking=1;
setTimeout('ZombieEatPlant("'+ob.id+'","'+obPlant.id+'")',1000);
}
}else{
if(ob.isAttacking==1){
ob.src=ob.NormalGif;
ob.isAttacking=0;
}
return(false);
}
}else{ //?ù??×?
}
}
function ZombieEatPlant(zombieid,plantid){
 //吃植物
var ob=document.getElementById(zombieid);
var obPlant=document.getElementById(plantid);
if(ob!='[object]'){return(false);} //zombie die
if(obPlant!='[object]'){ //没有植物
ob.src=ob.NormalGif;
ob.isAttacking=0;
return(false);
}
var OZombie,OPlant;
eval('OZombie='+ob.EName);
eval('OPlant='+obPlant.EName);
if(obPlant.unrivaled==0){
if(ob.FreeSlowTime==''){
obPlant.HP-=OZombie.Attack;
}else{
obPlant.HP-=OZombie.Attack*0.25;
}
PlantStatus(obPlant.id);
}
if(obPlant.HP<=OPlant.BreakPoint){
OPlant.Die(obPlant);
ob.src=ob.NormalGif;
ob.isAttacking=0;
return(false);
}
setTimeout('ZombieEatPlant("'+zombieid+'","'+plantid+'")',1000);
}
function ZombieEatGralic(id){
//???ó??????
var ob=document.getElementById(id);
if(ob!='[object]'){return(false);}
ob.isAttacking=0;
ob.src=dicZombiesGif(ob.EName).src;
var tmpR,tmpC,tmpA=new Array();
if(ob.R>1){
tmpR=ob.R-1;
if(oGP.aP[1][tmpR]==oGP.aP[1][ob.R]){tmpA.push(tmpR);}
}
if(ob.R<oGP.MaxR){
tmpR=ob.R+1;
if(oGP.aP[1][tmpR]==oGP.aP[1][ob.R]){tmpA.push(tmpR);}
}
if(tmpA.length>0){
ob.src=dicZombiesGif(ob.EName).src;
tmpR=tmpA[Math.floor(Math.random()*tmpA.length)];
ob.style.pixelTop=GetY(tmpR)-parseInt(ob.height);
ob.style.zIndex=3*tmpR+1;
var LX,RX;
LX=ob.AttackedLX;
RX=ob.AttackedRX;
if(ob.WalkDirection==0){ //向左走
ob.style.pixelLeft-=10;
ob.X-=10;
LX-=10;
RX-=10;
tmpC=GetC(LX);
}else{ //向右走
ob.style.pixelLeft+=10;
ob.X+=10;
LX+=10;
RX+=10;
tmpC=GetC(RX);
}
ob.AttackedLX=LX; //实时改变的左受攻击点的X
ob.AttackedRX=RX; //实时改变的右受攻击点的X
oGP.aZombie[ob.C][ob.R]=oGP.aZombie[ob.C][ob.R].replace(ob.id+',','');
oGP.aZombie[tmpC][tmpR]+=ob.id+',';
oGP.aR[ob.R]-=1;
ob.C=tmpC;
ob.R=tmpR;
oGP.aR[tmpR]+=1;
}
}