private void Update()
{
if (isDown)
{
//如果触摸移动了
Vector2 tmp = new Vector2(Input.GetAxis("Mouse X"), Input.GetAxis("Mouse Y"));
if (tmp.sqrMagnitude >= 0.05)
{
Debug.Log("111");
setChange();
}
//更新控制杆位置以及行动
if (vLenght > r)
{
vLenght = r;
control.setHAndV(-vLenght * moveV.x / r, -vLenght * moveV.y / r);
}
else if (vLenght < 0.5 * r)
{
control.setHAndV(-vLenght * moveV.x * 0.5f / r, -vLenght * moveV.y * 0.5f / r);
}
else
{
control.setHAndV(-vLenght * moveV.x / r, -vLenght * moveV.y / r);
}
this.smallImage.transform.position = this.smallImageInitPos + new Vector3(-vLenght * moveV.x, -vLenght * moveV.y, 0);
}
}