c180_testzone/python_test/play/bullet.py

#-*- coding: UTF-8 -*-

import pygame
from pygame.locals import *
import time
import random
from baseImage import BaseImage

class Bullet(BaseImage):
    """基础子弹类，可视为工厂"""
    def __init__(self,x,y,bgScreen,type):
        #生成子弹位置
        self.x = x
        self.y = y
        
        #根据类别选择子弹图片
        if type == "Hero":
            self.imageName = "./images/bullet-3.gif"
        elif type == "Enemy":
            self.imageName = "./images/bullet-1.gif"

        super(Bullet,self).__init__(bgScreen)

    def move(self,direction,speed=1):
        if direction == "up":
            self.y -= speed
        elif direction == "down":
            self.y += speed