果实不能显示

源自：2-5 果实绘制（果实上浮）

// JavaScript Document

var fruitObj=function(){

this.alive=[];

this.x=[];

this.y=[];

this.l=[];

this.orange=new Image();

this.blue=new Image();

}

fruitObj.prototype.num=30;

fruitObj.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";

}

fruitObj.prototype.draw=function(){

for(var i=0;i<this.num;i++){

this.l[i]+=0.01*deltaTime;

ctx2.drawImage(this.orange,this.x[i]-this.l[i]*0.5,this.y[i]-this.l[i]*0.5,this.l[i],thisl[i]);

}

fruitObj.prototype.born=function(i){

var aneID=Math.floor(Math.random()*ane.num);

this.x[i]=ane.x[aneID];

this.y[i]=canHeight-ane.len[aneID];

this.l[i]=0;

}

提问者：1348448970 2016-01-19 10:25