private void SwimFish()
{
//位置を進める
bool fs1 = utubo.Swim(out int x1, out int y1);
bool fs2 = anko.Swim(out int x2, out int y2);
bool fs3 = iwasi.Swim(out int x3, out int y3);
utubo.PictureMove(x1, y1);
anko.PictureMove(x2, y2);
iwasi.PictureMove(x3, y3);
}
private void swim()
{
int x, y;
ankou.Swim(out x, out y);
ankou.PictureMove(x, y);
iwashi.Swim(out x, out y);
iwashi.PictureMove(x, y);
utubo.Swim(out x, out y);
utubo.PictureMove(x, y);
}