qq_皮儿_0
2016-04-12 13:59
/**
* Created by lina.zheng on 2016/4/12.
*/
var fruitObj=function () {
this.alive=[]
this.x=[];
this.y=[];
this.l=[];
this.spd=[];
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=true;
this.x[i]=0;
this.y[i]=0;
this.l[i]=0;
this.spd[i]=Math.random()*0.01+0.005;//从0.005-0.015
this.bron(i);//所有果实出身
}
this.orange.src="./src/fruit.png"
this.orange.src="./src/blue.png"
}
fruitObj.prototype.draw=function () {
for(var i=0;i<this.num;i++) {
//画果实
if (this.alive[i]) {
if (this.l[i] <= 14) {
this.l[i] += this.spd[i] * deltaTime;
}
else {
this.y[i] -= this.spd[i] * 7 * deltaTime;
}
ctx2.drawImage(this.orange, 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;
}
}
}
}
//随机寻找海葵
fruitObj.prototype.bron=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;
}
// fruitObj.prototype.update=function () {
// var num=0;
// for(var i=0;i<this.num;i++){
// if (this.alive[i])num++;
// }
// }
this.alive=true;
应该这样写: this.alive[i]=true;
给数组中的元素赋值,而不是给整个数组赋值
HTML5小游戏---爱心鱼(上)
92350 学习 · 551 问题
相似问题