private int CompareByDistance(IRollable a, IRollable b) //使用List 內定的 Sort時, 回傳型態是整數
{
if (a.Distance() > b.Distance())
{
return(-1);
}
else
{
return(1);
}
}
private int CompareDistance(IRollable a, IRollable b)
{
if (a.Distance() < b.Distance())
{
return(1);
}
else
{
return(-1);
}
}