人们!我正试图编写一个SpaceInvaders Python程序,以达到学习的目的,但在循环内部的列表和数据操作问题上一直步履蹒跚。 我刚刚创建了一个Squid类,将圆的数据封装到PyGame中,格式为:RGB,[X,Y]int
class Space_Ship:
def space_ship():
space_ship_X = 100
space_ship_Y = 550
space_ship_color = (255, 255, 255)
space_ship_radius = 10
space_ship = space_ship_color, [space_ship_X, space_ship_Y], space_ship_radius
return space_ship
class Squid:
def squid():
squid_X = 100
squid_Y = 100
squid_radius = 10
squid_color = (255, 0, 0)
squid = [squid_color, [squid_X, squid_Y], squid_radius]
return squid
稍后我需要一个squid的小队,所以我创建了一个空列表,并尝试在将“squid”添加到列表之前增加squid_X值,但计数器只对总数(600)求和,并将其添加到列表中的每个元素。。。[(255,0,0),[600100],10]
from invader_squid.squid import Squid
from space_ship.space_ship import Space_Ship
import pygame
from pygame.constants import K_LEFT, K_RIGHT
pygame.init()
pygame.display.set_caption("Space Invaders - for poors")
clock = pygame.time.Clock()
FPS = 60
color_background = (0, 0, 0)
screen = pygame.display.set_mode((800, 600))
''' space contenders '''
space_ship = Space_Ship.space_ship()
squid = Squid.squid()
''' game logic '''
space_ships = 1
squids = 10
crabs = 10
octopusses = 5
mother_ships = 3
循环:
squids = 10
squadron_squids = []
i = 0
while i < squids:
print('squid ' + str( squid[1][0]))
squid[1][0] += 50
print('New squid ' + str( squid[1][0]))
squadron_squids.append(squid)
i += 1
print('squid_X: ' + str(squid[1][0]) + '\nsquadron_squids ' + str(squadron_squids))
游戏循环
loop = True
while loop:
clock.tick(FPS)
# mandatory exit condition
for event in pygame.event.get():
if event.type == pygame.QUIT:
loop = False
# screen draw
screen.fill(color_background)
# space_ship
pygame.draw.circle(screen, *space_ship) # *args 'scatter'
# squid
'''for i in range(squids):
pygame.draw.circle(screen, squadron_squids[i])
'''
'''
MOVEMENT
user input - move left or right
circle can't surpass screen size
'''
keys = pygame.key.get_pressed()
if keys[K_LEFT]:
space_ship[1][0] -= 5
if space_ship[1][0] < 10:
space_ship[1][0] = 10
if keys[K_RIGHT]:
space_ship[1][0] += 5
if space_ship[1][0] > 790:
space_ship[1][0] = 790
pygame.display.update()
pygame.quit()
打印输出:
squid_X 100
New squid_X 150
squid_X 150
New squid_X 200
squid_X 200
New squid_X 250
squid_X 250
New squid_X 300
squid_X 300
New squid_X 350
squid_X 350
New squid_X 400
squid_X 400
New squid_X 450
squid_X 450
New squid_X 500
squid_X 500
New squid_X 550
squid_X 550
New squid_X 600
squid_X: 600
squadron_squids [[(255, 0, 0), [600, 100], 10], [(255, 0, 0), [600, 100], 10], [(255, 0, 0), [600, 100], 10], [(255, 0, 0), [600, 100], 10], [(255, 0, 0), [600, 100], 10], [(255, 0, 0), [600, 100], 10], [(255, 0, 0), [600, 100], 10], [(255, 0, 0), [600, 100], 10], [(255, 0, 0), [600, 100], 10], [(255, 0, 0), [600, 100], 10]]
提前谢谢! 欢迎任何深化本主题的阅读资料
以下是我的建议:
使用类
Squid
作为squid的蓝图,并从类中创建squid实例。每个squid实例都有一个位置、一个半径(如果未指定,则有一个默认值)和一个颜色(也有一个默认值)然后我们生成新的鱿鱼,并将它们添加到一个列表中,即我们的小队。在这样做的时候,我们使用迭代索引作为我们各自的X位置,同时保持Y值不变——只是为了举例
输出:
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