import pygame, random
import math, sys
class Dot(object):
"""Dot object"""
def __init__(self):
self.surf = pygame.image.load("arrow.png").convert_alpha()
self.rect = pygame.Rect(0,0,50,50)
self.frame = 0
self.dir = 0 # 0 = up, 1 = down, 2 = left, 3 = right...