js Snake version Web jeu partage de code d'effets spéciaux (défi dix niveaux)_compétences javascript-js tutoriel-php.cn

Effets spéciaux du jeu version Web js Snake, le processus de changement d'image est très cool après les tests. Je pense que tout le monde doit avoir joué à ce jeu classique, mais comment est-il mis en œuvre Les amis intéressés viennent apprendre
Rendu d'opération : -----------------------------Voir l'effet--------- ------- -------
Conseils : Si le navigateur ne fonctionne pas correctement, vous pouvez essayer de changer de mode de navigation.
Le code des effets spéciaux du jeu js Snake version web partagé avec vous est le suivant
<body><title>js贪吃蛇网页版游戏特效</title></body>
<script> 
 Star = {
 init:function(){
  var bigDiv = this.appendEle(this.addStyle(this.creatEle(),
  {w:'900',h:'600',p:'absolute',t:10,l:500}));
  for(var i = 0; i<600/30;i++){
  Star.data.arrayAll[i] = [];
  for(var j = 0; j<900/30; j++){
   div = this.addStyle(this.creatEle(),{w:(!+[1,] &#63; 30 :28),h:(!+[1,] &#63; 30 :28),f:'left',border:'1px solid #666'});
   div.setAttribute('number', i*30+j)
   this.appendEle(div,bigDiv)
   Star.data.arrayAll[i][j] = div;
  }
  }
  bigDiv = this.appendEle(this.addStyle(this.creatEle(),
  {w:'900',h:'600',p:'absolute',t:10,l:500}));


  this.pushEleInSelect(Star.data.arrayAll[9][15],Star.data.arrayAll[9][14],Star.data.arrayAll[9][13])
  this.keyBoard.apply(this,arguments);
  this.appearPoint();
  this.leftGo();
 },
 appearPoint:function(){
  var arrayIn = [];
  var number;
  for(var i = 0; i<600; i++){
  if(!this.hasInArray(Star.data.arrayAll[parseInt(i/30)][i%30].getAttribute('number'),Star.data.arraySelect)){
   arrayIn.push(Star.data.arrayAll[i])
  }
  }
  Star.data.foodNumber = number = parseInt(Math.random()*arrayIn.length);
  this.giveColor(number)
 },
 giveColor:function(number){
  var div = Star.data.arrayAll[parseInt(number/30)][number%30];
  Star.timeInterval.timeB = setInterval(function(){
  if(div.className == 'shanshuo'){
   div.className = ''
   div.style.backgroundColor = '#fff'
  }
  else{
   div.className = 'shanshuo';
   div.style.backgroundColor = '#f00'
  }
  },500)
 },
 disappearColor:function(){
  clearInterval(Star.timeInterval.timeB);
  Star.data.arrayAll[parseInt(Star.data.foodNumber/30)][Star.data.foodNumber%30].style.backgroundColor = '#f00';
 },
 hasInArray:function(number,array){
  for(var i in array){
  if(array[i] instanceof Array){
   if(this.hasInArray(number,array[i])){
   return true;
   }
  }
  if(array[i].getAttribute && array[i].getAttribute('number') == number) return true;
  }
  return false;
 },
 keyBoard:function(){
  var self = this;
  document.onkeydown = function(e){
  e = e&#63; e : window.event;
  switch(e.keyCode){
   case 37: if(Star.keycode == 37 || Star.keycode == 39){return;}; self.leftGo(); break;
   case 38: if(Star.keycode == 38 || Star.keycode == 40){return;}; self.upGo();break;
   case 39: if(Star.keycode == 37 || Star.keycode == 39){return;}; self.rightGo();break;
   case 40: if(Star.keycode == 38 || Star.keycode == 40){return;}; self.downGo();break;
  }
  }
 },
 leftGo:function(){
  var div, number , self = this;
  Star.keycode = 37;
  clearInterval(Star.timeInterval.timeA)
  Star.timeInterval.timeA = setInterval(function(){
  number = Star.data.arraySelect[0].getAttribute('number');
  if(number%30<=0 || self.hasInArray(number-1,Star.data.arraySelect)){
   self.guanle();
  }
  else{
   if(Star.data.foodNumber == number-1){
   self.pushEleInSelect(Star.data.arrayAll[parseInt(Star.data.foodNumber/30)][Star.data.foodNumber%30]);
   self.disappearColor();
   self.appearPoint();
   }
   else{
   div = Star.data.arraySelect.pop();
   div.style.background = '#fff';

   self.pushEleInSelect(Star.data.arrayAll[parseInt(number/30)][number%30-1]);
   }
  }
  },Star.timeInterval.speed)
 },
 upGo:function(){
  var div, number , self = this;
  Star.keycode = 38;
  clearInterval(Star.timeInterval.timeA)
  Star.timeInterval.timeA = setInterval(function(){
  number = parseInt(Star.data.arraySelect[0].getAttribute('number'));

  if(parseInt(number/30)<=0 || self.hasInArray(number-30,Star.data.arraySelect)){
   self.guanle();
  }
  else{
   if(Star.data.foodNumber == number-30){
   self.pushEleInSelect(Star.data.arrayAll[parseInt(Star.data.foodNumber/30)][Star.data.foodNumber%30]);
   self.disappearColor();
   self.appearPoint();
   }
   else{
   div = Star.data.arraySelect.pop();
   div.style.background = '#fff';
   self.pushEleInSelect(Star.data.arrayAll[parseInt(number/30)-1][number%30]);
   }
  }
  },Star.timeInterval.speed)
 },
 rightGo:function(){
  var div, number , self = this;
  Star.keycode = 39;
  clearInterval(Star.timeInterval.timeA)
  Star.timeInterval.timeA = setInterval(function(){
  number = parseInt(Star.data.arraySelect[0].getAttribute('number'));
  if(parseInt(number%30)>=29 || self.hasInArray(number+1,Star.data.arraySelect)){
   self.guanle();
  }
  else{
   if(Star.data.foodNumber == number+1){
   self.pushEleInSelect(Star.data.arrayAll[parseInt(Star.data.foodNumber/30)][Star.data.foodNumber%30]);
   self.disappearColor();
   self.appearPoint();
   }
   else{
   div = Star.data.arraySelect.pop();
   div.style.background = '#fff';
   self.pushEleInSelect(Star.data.arrayAll[parseInt(number/30)][number%30+1]);
   }
  }
  },Star.timeInterval.speed)
 },
 downGo:function(){
  var div, number , self = this;
  Star.keycode = 40;
  clearInterval(Star.timeInterval.timeA)
  Star.timeInterval.timeA = setInterval(function(){
  number = parseInt(Star.data.arraySelect[0].getAttribute('number'));
  if(parseInt(number/30)>=19 || self.hasInArray(number+30,Star.data.arraySelect)){
   self.guanle();
  }
  else{
   if(Star.data.foodNumber == number+30){
   self.pushEleInSelect(Star.data.arrayAll[parseInt(Star.data.foodNumber/30)][Star.data.foodNumber%30]);
   self.disappearColor();
   self.appearPoint();
   }
   else{
   div = Star.data.arraySelect.pop();
   div.style.background = '#fff';
   self.pushEleInSelect(Star.data.arrayAll[parseInt(number/30)+1][number%30]);
   }
  }
  },Star.timeInterval.speed)
 },
 guanle:function(){
  alert('撞墙了,总分：' + (Star.data.arraySelect.length-3) * parseInt(1000 / Star.timeInterval.speed));
  location.reload();
 },
 creatEle:function(tag){
  var tagName = tag || 'DIV'
  return document.createElement(tagName)
 },
 appendEle:function(ele,father){
  var father = father || document.body || document.documentElement
  father.appendChild(ele)
  return ele;
 },
 addStyle:function(ele,css){
  for(var i in css){
  switch(i){
   case 'b' : ele.style.background = css[i];  break;
   case 'l' : ele.style.left  = css[i]+'px'; break;
   case 'r' : ele.style.right  = css[i]+'px'; break;
   case 't' : ele.style.top  = css[i]+'px'; break;
   case 'd' : ele.style.down  = css[i]+'px'; break;
   case 'p' : ele.style.position = css[i];  break;
   case 'w' : ele.style.width  = css[i]+'px'; break;
   case 'h' : ele.style.height  = css[i]+'px'; break;
   case 'f' : ele.style.cssFloat = css[i]; ele.style.styleFloat = css[i];  break;
   default : ele.style[i]   = css[i];  break;
  }
  }
  return ele;
 },
 pushEleInSelect:function(){
  for(var i = 0; i<arguments.length; i++){
  Star.data.arraySelect = [arguments[i]].concat(Star.data.arraySelect)
  this.addStyle(arguments[i],{b:'#f00'})
  }
 }
 }
 Star.data={
 arrayAll : [],
 arraySelect:[],
 newPoint:null,
 foodNumber:0
 }
 Star.timeInterval={
 timeA:null,
 timeB:null
 }
 Star.keycode = 0;


 window.onload = function(){
 var select = Star.creatEle('select');
 var optionDefault = Star.creatEle('option');
 optionDefault.innerHTML = '请选择关卡'
 Star.appendEle(optionDefault,select)
 Star.addStyle(select,{w:200,h:30,p:'absolute',left:'40%',top:'40%'})
 for(var i = 0 ; i <10 ; i++){
  var option = Star.creatEle('option');
  option.innerHTML = '第' + (i+1) + '关'
  Star.appendEle(option,select);
 }
 Star.appendEle(select)
 select.onchange = function(){
  selectValue = select.options[select.selectedIndex].value || select.options[select.selectedIndex].innerHTML
  var number = selectValue.match(/\d+/)[0]
  Star.timeInterval.speed = parseInt(200/number);
  Star.addStyle(select,{display:'none'});
  Star.init();
 }
 }

</script>
Copier après la connexion
Ce qui précède est le code des effets spéciaux du jeu de la version Web js Snake partagé avec tout le monde. J'espère que vous pourrez l'aimer.