var fruitObj=function()//果实类

{

this.alive = [];//bool

this.x = [];//

this.y = [];//

this.orange = new Image();

this.blue = new Image();//果实形态2

}

fruitObj.prototype.num = 30;

fruitObj.prototype.init=function()

{

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

this.alive[i]=true;//初始化果实为激活状态

this.x[i]=0;

this.y[i]=0;

this.born(i);

}

this.orange.src="./img/fruit.png"

this.blue.src="./img/blue.png"

console.log("初始化执行");

}

fruitObj.prototype.draw=function(){//画果实

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

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

}

 console.log("画果实执行");

}

fruitObj.prototype.born=function(i){//记录随机海葵位置，果实长在海葵上

var aneID =Math.floor(Math.random()*ane.num);//海葵的数量随机找一个

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

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

console.log("果实出生执行");

}