class Wall_vert:
    character = '│'
    color = 'blue'
    passable = False

    
    @classmethod
    def vertline(cls, origin, height):
        agents = []
        x, y = origin
        for dy in range(height):
            wall_vert = Wall_vert((x, y + dy))
            agents.append(wall_vert)
        return agents

    def __init__(self, position):
        self.position = position