// 下落
_proto_.moveDownBall = function(){
this.ball.x -= this.vx;
this.ball.y += this.vy;
console.log("111111");
this.vy *= 0.99;
this.vy += 0.25;
console.log("222222");
if (this.ball.y + this.vy >= this.img1 ||this.ball.y + this.vy <= 0) {
this.vy = -this.vy;
console.log("33333");
}
if (this.ball.x + this.vx > this.stageWidth ||this.ball.x + this.vx < 0) {
this.vx = -this.vx;
console.log("444444");
}
if (this.ball.y > 1200) {
this.ball.x = 286;
this.ball.y = 1140;
// 清楚定时器
Laya.timer.clear(this, this.moveDownBall);
}
};
