I made a program that runs my version of Space Invaders.
I recently finished it. I just want to make it more pythonic, and streamline it so it uses less memory and performs faster.
The basic outline of the program is at this website.
import pygame, sys, random
from pygame.locals import *
# set up pygame
pygame.init()
mainClock = pygame.time.Clock()
# set up the window
width = 800
height = 700
screen = pygame.display.set_mode((width, height), 0, 32)
pygame.display.set_caption('caption')
# set up movement variables
moveLeft = False
moveRight = False
moveUp = False
moveDown = False
# set up direction variables
DOWNLEFT = 1
DOWNRIGHT = 3
UPLEFT = 7
UPRIGHT = 9
LEFT = 4
RIGHT = 6
UP = 8
DOWN = 2
# set up the colors
BLACK = (0, 0, 0)
GREEN = (0, 255, 0)
WHITE = (255, 255, 255)
RED = (255, 0, 0)
BLUE = (135, 206, 250)
blue1 = (236, 237, 252)
blue2 = (195, 197, 240)
blue3 = (111, 115, 196)
blue4 = (77, 81, 167)
blue5 = (111, 115, 196)
bg = (152, 155, 221)
paddle = (195, 197, 240)
MOVESPEED = 11
MOVE = 1
SHOOT = 15
# set up counting
score = 0
# set up font
font = pygame.font.SysFont('calibri', 50)
def makeplayer():
player = pygame.Rect(370, 635, 60, 25)
return player
def makeinvaders(invaders):
y = 0
for i in invaders:
x = 0
for j in range(11):
invader = pygame.Rect(75+x, 75+y, 50, 20)
i.append(invader)
x += 60
y += 45
return invaders
def makewalls(walls):
wall1 = pygame.Rect(60, 520, 120, 30)
wall2 = pygame.Rect(246, 520, 120, 30)
wall3 = pygame.Rect(432, 520, 120, 30)
wall4 = pygame.Rect(618, 520, 120, 30)
walls = [wall1, wall2, wall3, wall4]
return walls
def movepaddle(player):
if moveLeft and player.left > 0:
player.left -= MOVESPEED
if moveRight and player.right < width:
player.right += MOVESPEED
return player
def moveinvaders(invaders, invader_dir):
for row in invaders:
for invader in row:
if invader_dir == RIGHT and row[len(row)-1].right < width:
invader.right += MOVE
elif row[len(row)-1].right >= width:
invader.left -= MOVE
invader_dir = LEFT
elif invader_dir == LEFT and row[0].left > 0:
invader.left -= MOVE
elif row[0].left <= 0:
invader.right += MOVE
invader_dir = RIGHT
return invader_dir
def doRectsOverlap(bullet, invader):
for a, b in [(bullet, invader), (invader, bullet)]:
if ((isPointInsideRect(a.left, a.top, b)) or
(isPointInsideRect(a.left, a.bottom, b)) or
(isPointInsideRect(a.right, a.top, b)) or
(isPointInsideRect(a.right, a.bottom, b))):
return True
return False
def isPointInsideRect(x, y, invader):
if (x > invader.left) and (x < invader.right) and (y > invader.top) and (y <
invader.bottom):
return True
else:
return False
def invaderdead(bullets, invaders):
for bullet in bullets:
for row in invaders:
for invader in row:
if doRectsOverlap(bullet, invader):
row.remove(invader)
bullets.remove(bullet)
return invaders
def wallhit(bullets, walls):
for bullet in bullets:
for wall in walls:
if doRectsOverlap(bullet, wall):
bullets.remove(bullet)
wall.height -= 10
if wall.height <= 0:
walls.remove(wall)
return bullets,walls
def movebullets(bullets):
for bullet in bullets:
bullet.top -= SHOOT
def moveenemybullets(bullets):
for bullet in bullets:
bullet.bottom += SHOOT
def gameend(invaders):
if invaders == [[],[],[],[],[]]:
screen.fill(bg)
drawText('You win.', font, screen , 300, 300, blue4)
def drawplayerinvaderbullet(player, invaders, bullets):
pygame.draw.rect(screen, blue4, player)
for i in invaders:
for invader in i:
if invader in invaders[0]:
pygame.draw.rect(screen, blue1, invader)
elif invader in invaders[1]:
pygame.draw.rect(screen, blue2, invader)
elif invader in invaders[2]:
pygame.draw.rect(screen, blue3, invader)
elif invader in invaders[3]:
pygame.draw.rect(screen, blue4, invader)
elif invader in invaders[4]:
pygame.draw.rect(screen, blue5, invader)
for w in walls:
pygame.draw.rect(screen, blue3, w)
for b in bullets:
pygame.draw.rect(screen, blue2, b)
def drawText(text, font, surface, x, y, color):
text = font.render(text, 1, color)
textrect = text.get_rect()
textrect.topleft = (x, y)
surface.blit(text, textrect)
timer = mainClock.tick()
time = 0
invaders = [[],[],[],[],[]]
invader_dir = RIGHT
bullets = []
walls = []
player = makeplayer()
invaders = makeinvaders(invaders)
walls = makewalls(walls)
# run the game loop
while True:
# check for the QUIT event
for event in pygame.event.get():
if event.type == QUIT:
pygame.quit()
sys.exit()
if event.type == KEYDOWN:
if event.key == K_LEFT or event.key == ord('a'):
moveRight = False
moveLeft = True
if event.key == K_RIGHT or event.key == ord('d'):
moveLeft = False
moveRight = True
if event.key == K_SPACE:
bullet = pygame.Rect(player.left+28, player.top-8, 5, 8)
bullets.append(bullet)
if event.type == KEYUP:
if event.key == K_ESCAPE:
pygame.quit()
sys.exit()
if event.key == K_LEFT or event.key == ord('a'):
moveLeft = False
if event.key == K_RIGHT or event.key == ord('d'):
moveRight = False
time += timer
screen.fill(bg)
drawplayerinvaderbullet(player, invaders, bullets)
invader_dir = moveinvaders(invaders, invader_dir)
movebullets(bullets)
if time % 5000 == 0:
x = random.choice([1,2,3,4,5])
list1 = invaders[x-1]
y = random.choice([1,2,3,4,5,6,7,8,9,10,11])
invader = list1[y-1]
bullet = pygame.Rect(invader.right+28, invader.bottom-8, 5, 8)
bullets.append(bullet)
moveenemybullets(bullets)
gameend(invaders)
invaders = invaderdead(bullets, invaders)
bullets, walls = wallhit(bullets, walls)
player = movepaddle(player)
pygame.display.update()
mainClock.tick(60)
