fruit的问题，怎么这一节问题这么少
var fruitObject=function(){
this.alive=[];//boolean
this.orange=new Image();
this.blue=new Image();
this.x=[];
this.y=[];
}
fruitObject.prototype.num=30;
fruitObject.prototype.init=function() {
for(var i=0;i<this.num;i++){
this.alive[i]=true;
this.x[i]=0;
this.y[i]=0;
this.born(i);
}
this.orange.src="./src/fruit.png";
this.blue.src="./src/blue.png";
}
fruitObject.prototype.draw=function(){
for(var i=0;i<this.name;i++){
ctx2.drawImage(this.orange,this.x[i],this.y[i]);
}
}
fruitObject.prototype.born=function(i){
var aneid=Math.floor(Math.random()*ane.num);
this.x[i]=ane.x[aneid];
this.y[i]=canHeight-ane.length[aneid];
}
var can1;
var can2;
var ctx1;
var ctx2;
var canWidth;
var canHeight;
var lastTime;
var deltaTime;
var ane;
var fruit;
var bgPic=new Image();
document.body.onload=game;
function game()
{
init();
lastTime=Date.now();
deltaTime=0;
gameloop();
}
function init(){
//获得canves context
can1=document.getElementById("canvas1");//fishes,dust,ui
ctx1=can1.getContext('2d');
can2=document.getElementById("canvas2");
ctx2=can2.getContext('2d');
bgPic.src="./src/background.jpg";
canWidth=can1.width;
canHeight=can1.height;
ane=new aneObject();
ane.init();
fruit=new fruitObject();
fruit.init();
}
function gameloop(){
requestAnimFrame(gameloop);
var now=Date.now();
deltaTime=now-lastTime;
lastTime=now;
drawbackground();
ane.draw();
fruit.draw();
}
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>爱心鱼</title>
<style type="text/css">
body{
padding-top: 10px;
}
.all_bg{
width: 800px;
height: 600px;
margin: 0px auto;
}
.allCanves{
position: relative;;
width: 800px;
height: 600px;
margin: 0px;
}
#canves1{
position: absolute;
bottom: 0;
left: 0;
z-index: 1;
}
#canves2{
position: absolute;
bottom: 0;
left: 0;
z-index: 0;
}
</style>
</head>
<body>
<div class="all_bg">
<div id="allCanves">
<canvas id="canvas1" width="800" height="600"></canvas>
<canvas id="canvas2" width="800" height="600"></canvas>
</div>
</div>
<script type="text/javascript" src="js/main.js"></script>
<script type="text/javascript" src="js/commonFunctions.js"></script>
<script type="text/javascript" src="js/background.js"></script>
<script type="text/javascript" src="js/ane.js"></script>
<script type="text/javascript" src="js/fruit.js"></script>
</body>
</html>代码没有报错了 但是就是不显示fruit怎么办
