誰か最適化してください

after.py

#thx user/843843 !!

class Collision(object):
    left = False
    right = False
    up = False
    down = False
    def __init__(self, left, right, up, down):
        self.left = left
        self.right = right
        self.up = up
        self.down = down
    def _not_ander(self, left, right, up, down):
        self.left = self.left and (not left)
        self.right = self.right and (not right)
        self.up = self.up and (not up)
        self.down = self.down and (not down)

def get_collision(self, x, y):
    collision = self._get_collision_natural(x, y)
    up = self._get_collision_natural(x, y - 1).down
    down = self._get_collision_natural(x, y + 1).up
    left = self._get_collision_natural(x + 1, y).right
    right = self._get_collision_natural(x - 1, y).left

    collision._not_ander(left, right, up, down)
    return collision

before.py

#789
#456
#123 

    def get_collision(self, x, y):
        collision = self._get_collision_natural(x, y)
        if collision == 1:
            _collision = self._get_collision_natural(x - 1, y)
            if(_collision == 3 or _collision == 6 or _collision == 9):
                _collision = self._get_collision_natural(x, y + 1)
                if(_collision == 7 or _collision == 8 or _collision == 9):
                    return 5
                else:
                    return 2
            else:
                _collision = self._get_collision_natural(x, y + 1)
                if(_collision == 7 or _collision == 8 or _collision == 9):
                    return 4
                else:
                    return 1
        elif collision == 2:
            _collision = self._get_collision_natural(x, y + 1)
            if(_collision == 7 or _collision == 8 or _collision == 9):
                return 5
            else:
                return 2
        elif collision == 3:
            _collision = self._get_collision_natural(x + 1, y)
            if(_collision == 1 or _collision == 4 or _collision == 7):
                _collision = self._get_collision_natural(x, y + 1)
                if(_collision == 7 or _collision == 8 or _collision == 9):
                    return 5
                else:
                    return 2
            else:
                _collision = self._get_collision_natural(x, y + 1)
                if(_collision == 7 or _collision == 8 or _collision == 9):
                    return 6
                else:
                    return 3
        elif collision == 4:
            _collision = self._get_collision_natural(x - 1, y)
            if(_collision == 3 or _collision == 6 or _collision == 9):
                return 5
            else:
                return 4
        elif collision == 6:
            _collision = self._get_collision_natural(x + 1, y)
            if(_collision == 1 or _collision == 4 or _collision == 7):
                return 5
            else:
                return 6
        elif collision == 7:
            _collision = self._get_collision_natural(x - 1, y)
            if(_collision == 3 or _collision == 6 or _collision == 9):
                _collision = self._get_collision_natural(x, y - 1)
                if(_collision == 1 or _collision == 2 or _collision == 3):
                    return 5
                else:
                    return 8
            else:
                _collision = self._get_collision_natural(x, y - 1)
                if(_collision == 1 or _collision == 2 or _collision == 3):
                    return 4
                else:
                    return 7
        elif collision == 8:
            _collision = self._get_collision_natural(x, y - 1)
            if(_collision == 1 or _collision == 2 or _collision == 3):
                return 5
            else:
                return 8
        elif collision == 9:
            _collision = self._get_collision_natural(x + 1, y)
            if(_collision == 1 or _collision == 4 or _collision == 7):
                _collision = self._get_collision_natural(x, y - 1)
                if(_collision == 1 or _collision == 2 or _collision == 3):
                    return 5
                else:
                    return 8
            else:
                _collision = self._get_collision_natural(x, y - 1)
                if(_collision == 1 or _collision == 2 or _collision == 3):
                    return 6
                else:
                    return 9
        else:
            return 5

https://gist.github.com/4183039