js小乌龟推箱子游戏代码 W ，S， A， D上下左右操作
<script>
BoxYouXi = {
oP:null,
history:[],
target:{},
boxs:[],
gk:[
{
map:[
0,0,1,1,1,0,0,0,
0,1,3,3,1,1,1,1,
0,1,2,2,3,2,2,1,
1,2,2,2,1,2,1,0,
1,2,2,2,2,3,1,0,
1,2,2,2,2,2,2,1,
0,1,2,2,2,2,1,0,
0,0,1,1,1,1,1,0
],
boxPos:[
{x:5,y:3},
{x:3,y:5},
{x:2,y:4},
{x:4,y:5}
],
personPos:{x:4,y:6},
},
{
map:[
0,0,1,1,1,0,0,0,
0,1,3,3,1,1,1,1,
0,1,2,2,2,2,2,1,
1,2,2,2,1,2,2,1,
1,2,2,1,2,3,2,1,
1,2,2,2,2,2,2,1,
1,3,2,2,2,2,1,0,
0,1,1,1,1,1,1,0
],
boxPos:[
{x:5,y:3},
{x:3,y:5},
{x:2,y:4},
{x:4,y:5}
],
personPos:{x:4,y:6},
}
],
createMap:function(gk){
document.title = '当前第'+(this.num+1)+'关';
this.colsNum = Math.sqrt(gk.map.length);
this.oParent.style.width = this.colsNum*50+'px';
for(var i=0;i<gk.map.length;i++){
var oLi = document.createElement('li');
oLi.className = 'pos'+gk.map[i];
this.oParent.appendChild(oLi);
if(gk.map[i]==3){
this.target[oLi.offsetLeft+'_'+oLi.offsetTop] = '1';
}
}
this.createMan(gk);
},
createMan:function(gk){
this.oP = document.createElement('div');
this.oP.className = 'person2';
this.oP.x = gk.personPos.x;
this.oP.y = gk.personPos.y;
this.oP.style.left = this.oP.x*50+'px';
this.oP.style.top = this.oP.y*50+'px';
this.oParent.appendChild(this.oP);
this.createBox(gk);
},
createBox:function(gk){
for(var i=0;i<gk.boxPos.length;i++){
var oDiv = document.createElement('div');
oDiv.className = 'box';
oDiv.style.left = gk.boxPos[i].x*50+'px';
oDiv.style.top = gk.boxPos[i].y*50+'px';
this.oParent.appendChild(oDiv);
this.boxs.push(oDiv);
}
},
personRun:function(iJons){
var gk = this.gk[this.num];
var map = gk.map;
var x = this.oP.x+iJons.x;
var y = this.oP.y+iJons.y;
var bx = x+iJons.x;
var by = y+iJons.y;
if(map[this.colsNum*y+x]==1){
return;
}
this.oP.x = x;
this.oP.y = y;
this.oP.style.left = this.oP.x*50+'px';
this.oP.style.top = this.oP.y*50+'px';
for(var i=0;i<this.boxs.length;i++){
if(this.impactCheck(this.oP,this.boxs[i])){
if(map[this.colsNum*by+bx] == 1){
this.oP.x = x-iJons.x;
this.oP.y = y-iJons.y;
this.oP.style.left = this.oP.x*50+'px';
this.oP.style.top = this.oP.y*50+'px';
return;
}
this.boxs[i].style.left = bx*50+'px';
this.boxs[i].style.top = by*50+'px';
for(var n=0;n<this.boxs.length;n++){
if(this.boxs[i]!=this.boxs[n] && this.impactCheck(this.boxs[i],this.boxs[n])){
this.oP.x = x-iJons.x;
this.oP.y = y-iJons.y;
this.oP.style.left = this.oP.x*50+'px';
this.oP.style.top = this.oP.y*50+'px';
this.boxs[i].style.left = (bx-iJons.x)*50+'px';
this.boxs[i].style.top = (by-iJons.y)*50+'px';
return;
}
}
if(this.target[this.boxs[i].offsetLeft+'_'+this.boxs[i].offsetTop]){
this.boxs[i].ok = true;
var sucLen = 0;
for(var n=0;n<this.boxs.length;n++){
if(this.boxs[n].ok){
sucLen++;
}
}
if(sucLen==this.boxs.length)this.nextLevel();
}else{
this.boxs[i].ok = false;
}
break;
}
}
if(this.preTmp)this.history.push(this.preTmp);
this.preTmp = {
boxPos:[]
};
this.preTmp.personPos = {
x:this.oP.x,
y:this.oP.y
}
for(var i=0;i<this.boxs.length;i++){
this.preTmp.boxPos[i] = {
x:this.boxs[i].offsetLeft,
y:this.boxs[i].offsetTop
}
}
if(this.history.length>20){
this.history.splice(0,1);
}
},
nextLevel:function(){
this.history = [];
this.target = [];
this.boxs = [];
this.oParent.innerHTML = '';
this.num++;
if(!this.gk[this.num]){
alert('恭喜你已经通过了所有关卡，可以下山了');
return false;
}
this.createMap(this.gk[this.num]);
},
impactCheck:function(obj1,obj2){//碰撞检测
var l1 = obj1.offsetLeft;
var t1 = obj1.offsetTop;
var r1 = l1+obj1.offsetWidth;
var b1 = t1+obj1.offsetHeight;
var l2 = obj2.offsetLeft;
var t2 = obj2.offsetTop;
var r2 = l2+obj2.offsetWidth;
var b2 = t2+obj2.offsetHeight;
if(b1<=t2 || l1>=r2 || t1>=b2 || r1<=l2){
return false;
}else{
return true;
}
},
backPrevStep:function(){
var prevIndex = this.history.length-1;
if(!this.history[prevIndex])return;
var perPos = this.history[prevIndex].personPos;
var boxPos = this.history[prevIndex].boxPos;
this.history.splice(prevIndex,1);
this.oP.x = perPos.x;
this.oP.y = perPos.y;
this.oP.style.left = this.oP.x*50+'px';
this.oP.style.top = this.oP.y*50+'px';
for(var i=0;i<boxPos.length;i++){
this.boxs[i].style.left = boxPos[i].x+'px';
this.boxs[i].style.top = boxPos[i].y+'px';
}
},
ini:function(oParent,num){
this.num = num;
this.oParent = oParent;
var gk = this.gk[num];
this.createMap(gk);
var self = this;
onkeyup = function(ev){
var oEvent = ev || event;
switch(oEvent.keyCode){
case 37://left
self.oP.className = 'person2';
self.personRun({x:-1,y:0});
break;
case 65://left
self.oP.className = 'person2';
self.personRun({x:-1,y:0});
break;
case 38://up
self.oP.className = 'person1';
self.personRun({x:0,y:-1});
break;
case 87://up
self.oP.className = 'person1';
self.personRun({x:0,y:-1});
break;
case 39://right
self.oP.className = 'person4';
self.personRun({x:1,y:0});
break;
case 68://right
self.oP.className = 'person4';
self.personRun({x:1,y:0});
break;
case 40://down
self.oP.className = 'person3';
self.personRun({x:0,y:1});
break;
case 83://down
self.oP.className = 'person3';
self.personRun({x:0,y:1});
break;
case 81://上一步
self.backPrevStep();
break;
}
}
}
}
BoxYouXi.ini(document.getElementById('yxbox'),0);
</script>
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