private _acceleration = 0.1;//加速度

public startRunning() {
console.log("startr")
this._isMove = true;
this._speed = 0.2;
this._acceleration = 0.2;
}
public stopRunning() {
console.log("stop")
this._acceleration = -0.2;
//this._isMove = false;
}
this._speed = this._speed + this._acceleration * dt;
if(this._speed>this.maxSpeed){
this._speed = this.maxSpeed;
}
if(this._speed < 0.01){
this._isMove = false;
}站长微信:xiaomao0055
站长QQ:14496453