/// <summary>
/// 交换Candy
/// </summary>
/// <param name="c1">选择1</param>
/// <param name="c2">选择2</param>
private void Exchange(Candy c1, Candy c2)
{
//Change arrylist
SetCandy(c1.rowIndex, c1.columnIndex, c2);
SetCandy(c2.rowIndex, c2.columnIndex, c1);
int rowIndex = c1.rowIndex;
c1.rowIndex = c2.rowIndex;
c2.rowIndex = rowIndex;
int columnIndex = c1.columnIndex;
c1.columnIndex = c2.columnIndex;
c2.columnIndex = columnIndex;
//Update c1,c2 position
c1.TweenPosition(followSpeed);
c2.TweenPosition(followSpeed);
}
