## Creature Project
## CSC323
## 4/17/10
## Direction.py: Contains the Direction enumerated type: N,NE,E,SE,S,SW,W,NW,C.

class Direction:
    @staticmethod
    def fromString(string):
        if string=="N":
            return N
        elif string=="NE":
            return NE
        elif string=="E":
            return E
        elif string=="SE":
            return SE
        elif string=="S":
            return S
        elif string=="SW":
            return SW
        elif string=="W":
            return W
        elif string=="NW":
            return NW
        else:
            #Not a Direction
            raise Error("Not a Direction")
class N:
    x = 0
    y = -1
    def __str__():
        return "N" 
class NE:
    x = 1
    y = -1
    def __str__():
        return "NE"
class E:
    x = 1
    y = 0
    def __str__():
        return "E" 
class SE:
    x = 1
    y = 1
    def __str__():
        return "SE" 
class S:
    x = 0
    y = 1
    def __str__():
        return "S" 
class SW:
    x = -1
    y = 1
    def __str__():
        return "SW" 
class W:
    x = -1
    y = 0
    def __str__():
        return "W"
class NW:
    x = -1
    y = -1
    def __str__():
        return "NW"
class C:
    x = 0
    y = 0
    def __str__():
        return "C"