Effets spéciaux du jeu de la version Web de js Snake. Après les tests, le processus de changement d'image est très cool. Je pense que tout le monde a dû jouer à ce jeu classique, mais comment est-il mis en œuvre ? Si vous êtes intéressé, venez découvrir le fonctionnement des rendus :
Conseils : Si le navigateur ne fonctionne pas normalement, 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++){
p = this.addStyle(this.creatEle(),{w:(!+[1,] ? 30 :28),h:(!+[1,] ? 30 :28),f:"left",border:"1px solid #666"});
p.setAttribute("number", i*30+j)
this.appendEle(p,bigDiv)
Star.data.arrayAll[i][j] = p;
}
}
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 p = Star.data.arrayAll[parseInt(number/30)][number%30];
Star.timeInterval.timeB = setInterval(function(){
if(p.className == "shanshuo"){
p.className = ""
p.style.backgroundColor = "#fff"
}
else{
p.className = "shanshuo";
p.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? 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 p, 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{
p = Star.data.arraySelect.pop();
p.style.background = "#fff";
self.pushEleInSelect(Star.data.arrayAll[parseInt(number/30)][number%30-1]);
}
}
},Star.timeInterval.speed)
},
upGo:function(){
var p, 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{
p = Star.data.arraySelect.pop();
p.style.background = "#fff";
self.pushEleInSelect(Star.data.arrayAll[parseInt(number/30)-1][number%30]);
}
}
},Star.timeInterval.speed)
},
rightGo:function(){
var p, 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{
p = Star.data.arraySelect.pop();
p.style.background = "#fff";
self.pushEleInSelect(Star.data.arrayAll[parseInt(number/30)][number%30+1]);
}
}
},Star.timeInterval.speed)
},
downGo:function(){
var p, 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{
p = Star.data.arraySelect.pop();
p.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>Ce qui précède est le contenu détaillé de. pour plus d'informations, suivez d'autres articles connexes sur le site Web de PHP en chinois!
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