// Update is called once per frame
void Update()
{
//assign pic_A and pic_B values when the pic_child is selected by mouse
assign_tmpPic();
//if user has selected two pics, exchange them and reset pic_A & pic_B
if (isAnimating == false)
{
if (pic_A != null && pic_B != null)
{
isAnimating = true;
pic_A_script = pic_A.GetComponent <bgRimShow>();
pic_B_script = pic_B.GetComponent <bgRimShow>();
//set Animating status
pic_A_script.isAnimating = true;
pic_B_script.isAnimating = true;
//exchange pic_A and pic_B's positions
exchange(pic_A, pic_B);
}
}
else //check if pic_A and pic_B's animations are over
{
isAnimating = (pic_A_script.isAnimating || pic_B_script.isAnimating);
if (!isAnimating) //上一帧有动画, 而这一帧没有动画了, 表示A, B两段动画已经播放完毕了, 那么重置pic_A和pic_B的值
{
pic_A = pic_B = null;
}
}
}
//assign pic_A and pic_B values when the pic_child is selected by mouse
void assign_tmpPic()
{
for (int i = 0; i < pic_children.Length; i++) //find if there are selected pics
{
bgRimShow child_script = pic_children[i].GetComponent <bgRimShow>();
if (child_script.isBGActive)
{
//Debug.Log("Active pic found: " + pic_children[i].name);
if (pic_A == null)
{
pic_A = pic_children[i];
}
else
{
if (pic_A != pic_children[i])
{
pic_B = pic_children[i];
}
}
}
}
}
