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main.py
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import pygame
import random
import math
from pygame import mixer
pygame.init()
screen = pygame.display.set_mode((800, 600))
pygame.display.set_caption("Space Pirates")
icon = pygame.image.load("ufo.png")
pygame.display.set_icon(icon)
playerImage = pygame.image.load("player.png")
playerX = 376
playerY = 510
playerY_change = 0
playerX_change = 0
enemyImage = []
enemyX = []
enemyY = []
enemyX_change = []
enemyY_change = []
no_of_enemies = 6
for i in range(no_of_enemies):
enemyImage.append(pygame.image.load("enemy.png"))
enemyX.append(random.randint(0, 736))
enemyY.append(random.randint(50, 150))
enemyX_change.append(0.2)
enemyY_change.append(40)
bulletImage = pygame.image.load("bullet.png")
bulletX = 0
bulletY = 520
bulletX_change = 0.5
bulletY_change = -0.5
bullet_state = 'ready'
def player(x, y):
screen.blit(playerImage, (x, y))
def enemy(x, y, i):
screen.blit(enemyImage[i], (x, y))
def bullet(x, y):
global bullet_state
bullet_state = 'fire'
screen.blit(bulletImage, (x + 16, y))
def isCollision(x1, y1, x2, y2):
distance = math.sqrt(math.pow((x2 - x1), 2) + math.pow((y2 - y1), 2))
if distance < 30:
return True
else:
return False
running = True
score_value = 0
font = pygame.font.Font('freesansbold.ttf', 32)
testX = 10
testY = 10
game_over = pygame.font.Font('freesansbold.ttf', 64)
def game_over_text():
over_text = game_over.render("GAME OVER", True, (255, 255, 255))
screen.blit(over_text, (200, 250))
def showScore(x, y):
score = font.render("Score: " + str(score_value), True, (255, 255, 255))
screen.blit(score, (x, y))
while running:
screen.fill((0, 0, 0))
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
playerX_change = -0.3
if event.key == pygame.K_RIGHT:
playerX_change = 0.3
if event.key == pygame.K_SPACE and bullet_state == 'ready':
bullet_Sound = mixer.Sound('laser.wav')
bullet_Sound.play()
bulletX = playerX
bullet(bulletX, bulletY)
if event.type == pygame.KEYUP:
if event.key == pygame.K_RIGHT or event.key == pygame.K_LEFT:
playerX_change = 0
playerX += playerX_change
if playerX <= 0:
playerX = 0
elif playerX >= 736:
playerX = 736
for i in range(no_of_enemies):
if enemyY[i] > 440:
for j in range(no_of_enemies):
enemyY[j] = 2000
game_over_text()
break
if enemyX[i] <= 0:
enemyX_change[i] = 0.2
enemyY[i] += enemyY_change[i]
elif enemyX[i] >= 736:
enemyX_change[i] = -0.2
enemyY[i] += enemyY_change[i]
enemyX[i] += enemyX_change[i]
collision = isCollision(enemyX[i], enemyY[i], bulletX, bulletY)
if collision == True:
bulletY = 480
bullet_state = "ready"
score_value += 1
enemyX[i] = random.randint(0, 736)
enemyY[i] = random.randint(50, 150)
enemy(enemyX[i], enemyY[i], i)
if bulletY <= 0:
bullet_state = 'ready'
bulletY = 520
if bullet_state == 'fire':
bullet(bulletX, bulletY)
bulletY += bulletY_change
player(playerX, playerY)
showScore(testX, testY)
pygame.display.update()