//移动一个角色在战场的位置
func (self *BattleField) MoveCharacter(c *Warrior, posTo int) (moved int) {
moved = 0
if c.Position != posTo {
moved = math.AbsInt((posTo - c.Position))
//从旧的位置删除
delete(self.field[c.Position], c.Id)
//移动到新位置
c.Position = posTo
self.field[posTo][c.Id] = c
}
return moved
}
//获取战场上2个角色之间的距离
func (self *BattleField) GetDistanceBetween(from, to *Warrior) int {
//由于战场坐标为[0,n],所以可以直接求绝对值
return math.AbsInt(from.Position - to.Position)
}