                        课程
                    
                        /前端开发
                        
                            /HTML/CSS
                        
                        /HTML5小游戏---爱心鱼（上）

果实类型始终未undifined

/**
* Created by wch5490 on 2016/10/19.
*/

var fruitObj= function () {
this.alive=[];//bool
this.l=[];//图片的尺寸
this.x=[];
this.y=[];
this.speed=[];
this.orange=new Image();
this.blue=new Image();
this.fruitType=[];//blue and orange;
}

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.l[i]=0;
this.speed[i]=Math.random()*0.017+0.003;

this.fruitType="";
}
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.fruitType[i]=='blue'){
var pic=this.blue;
}else{
var pic=this.orange;
}
if(this.alive[i]){

if(this.l[i]<=14){
this.l[i]+=this.speed[i]*deleteTime;
}else{
this.y[i]-=this.speed[i]*7*deleteTime;
}
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 flag = Math.random();

if(flag < 0.2){
this.fruitType[i] = "blue";
}else{
this.fruitType[i] = "orange";
console.log(this.fruitType[i])
}

//var ran=Math.random();
//if(ran<0.2){
//
// this.fruitType[i]='blue';
//
//}else{
// this.fruitType[i]='orange';
//
//}
}

function fruitMonitor(){
var num=0;
for(var i=0;i<fruit.num;i++){
if(fruit.alive[i]){
num++;
}
if(num<15){
sendFruit();//send fruit
return;
}
}
}

function sendFruit(){
for(var i=0;i<fruit.num;i++){
if(!fruit.alive[i]){
fruit.born(i);
return false;
}
}
}