var app = new PIXI.Application(300,240);
    document.body.appendChild(app.view);

    var bg = new PIXI.Sprite.fromImage(“res/lianxi/mi/zhezhao.png”);
    app.stage.addChild(bg);

    var ball = new PIXI.Sprite.fromImage(“res/lianxi/collision/qiu1.png”);
    app.stage.addChild(ball);
    ball.width = 50;
    ball.height = 50;
    ball.x = 60;
    ball.y = 180;
    ball.anchor.set(0.5,0.5);

    var speed = 2;
    var posX;
    var isMove = false;
    bg.interactive = true;
    bg.on(“click”,moveBall);
    app.ticker.add(animate);

    function moveBall(event){
    var pos = event.data.getLocalPosition(app.stage);
    posX = pos.x;
    posY = pos.y;
    isMove = true;
    }

    function move(){
    //以下为代码编写区域
    if(ball.x < posX){
    ball.x += speed;
    if(ball.x >= posX){


    if(ball.y > posY){
    ball.y -= speed;
    }
    if(ball.y < posY){
    ball.y += speed;
    }
    if(ball.y == posX){
    ball.y = ball.y;
    }


    }
    }
    if(ball.x > posX){
    ball.x -= speed;
    if(ball.x <= posX){


    if(ball.y > posY){
    ball.y -= speed;
    }
    if(ball.y < posY){
    ball.y += speed;
    }
    if(ball.y == posY){
    ball.y = ball.y
    }


    }
    }
    if(ball.x == posX){
    if(ball.y > posY){
    ball.y -= speed;
    }
    if(ball.y < posY){
    ball.y += speed;
    }
    if(ball.y == posY){
    ball.y = ball.y
    }


    }
    }

    function animate(){
    if(isMove){
    move();
    }
    }