打砖块-多小球

var app = new PIXI.Application(500,600);
document.body.appendChild(app.view);
//存砖块
var arrzhuan = [];
//存球
var arrqiu = [];
var arrx = [];
var arry = [];
for(var i=0;i<14;i++){
    for(var j=0;j<5;j++){
        var square = new PIXI.Sprite.fromImage("res/lianxi/zhuan/zhuankuai-8-1_41.png");
        square.anchor.set(0.5,0.5);
        square.x = 23 + i * 35;
        square.y = 23 + j * 35;
        app.stage.addChild(square);
        arrzhuan.push(square);
    }
}
for(var i=0;i<5;i++){
    var ball = new PIXI.Sprite.fromImage("res/lianxi/zhuan/qiu_32.png");
    ball.anchor.set(0.5,0.5);
    ball.x = 250;
    ball.y = 560;
    app.stage.addChild(ball);
    arrqiu.push(ball);
    if(Math.random()>0.5){
        arrx.push(Math.random()*5)
    }
    else{
        arrx.push(-Math.random()*5)
    }
    if(Math.random()>0.5){
        arry.push(Math.random()*5)
    }
    else{
        arry.push(-Math.random()*5)
    }
}
app.ticker.add(aaa);
var max = 40;
function aaa(){
    for(var i=0;i<5;i++){
        arrqiu[i].x += arrx[i];
        arrqiu[i].y += arry[i];
        if(arrqiu[i].x<=10||arrqiu[i].x>=490){
            arrx[i] = -arrx[i];
        }
        if(arrqiu[i].y<=10||arrqiu[i].y>=590){
            arry[i] = -arry[i];
        }
        for(var j=arrzhuan.length-1;j>=0;j--){
            if(i!=j){
            var c1 = arrzhuan[j].x-arrqiu[i].x;
            var c2 = arrzhuan[j].y-arrqiu[i].y;
            if(max*max>=c1*c1+c2*c2){
                arrx[i] = -arrx[i];
                arry[i] = -arry[i];
                app.stage.removeChild(arrzhuan[j]);
                arrzhuan.splice(j,1);
                break;
            }
            }
        }
    }
}