橙色果实出来了，可是没有蓝色的，帮我看一下代码吧谢谢大佬了
// fruit
var fruitObj = function(){
this.alive = [] ;
this.x=[];
this.y=[];
this.l=[];
this.spd =[];
this.fruitType =[];
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] = false ;
this.x[i] =0;
this.y[i] =0;
this.spd[i] =Math.random()*0.01+0.005;
this.fruitType[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++)
{
if(this.alive[i])
{
if (this.fruitType[i]=="biue")
{var pic =this.blue;}
else{var pic=this.orange;}
if(this.l[i]<=14)
{
this.l[i] += this.spd[i] * deltaTime;
}
else{
this.y[i] -= this.spd[i]* 7 * deltaTime;}
ctx2.drawImage(pic,this.x[i] - this.l[i]*0.5,this.y[i]- this.l[i]*0.5,this.l[i],this.l[i]);
if(this.y[i]<10){this.alive[i]=false;}
}
}
}
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;
this.alive[i] = true;
var ran = Math.random();
if(ran<0.3)
{
this.fruitType[i]="blue";
}
else
{
this.fruitType[i]="orange";
}
}
fruitObj.prototype.dead = function(i)
{
this.alive[i] = false;
}
function fruitMonitor()
{
var num =0;
for(var i=0;i<fruit.num;i++)
{
if(fruit.alive[i]) num++ ;
}
if(num<15)
{
sendFruit();
return;}
}
function sendFruit(){
for(var i=0;i<fruit.num;i++){
if(!fruit.alive[i]){
fruit.born(i);
return;
}
}
}
