pygame-dodger/main.py
2021-07-14 17:42:00 +02:00

171 lines
4.8 KiB
Python

import pygame, random, sys, time
# global variables
WIDTH = 800
HEIGHT = 800
FPS = 60
TEXT_COLOR = (255,255,255)
# initialize pygame and create a window
pygame.init()
clock = pygame.time.Clock()
window = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption("Pygame Dodger")
pygame.mouse.set_visible(False)
class Game:
def __init__(self):
self.timer = 0
self.run = True
self.lost = False
def play(self, keys, baddies, baddies_spawn_rate, player):
if self.timer % baddies_spawn_rate == 0:
baddies.append(enemy())
for baddie in baddies:
baddie.move()
if player.hitbox.colliderect(baddie.hitbox):
self.lost = True
if baddie.y + baddie.height + 10 > HEIGHT:
baddies.pop(baddies.index(baddie))
player.move(keys)
self.timer += 1
self.draw(baddies, player)
def draw(self, baddies, player):
window.fill((0,0,0))
for baddie in baddies:
baddie.draw(window)
player.draw(window)
pygame.display.update()
# player class
class Player:
def __init__(self, x, y, width, height):
self.x = x
self.y = y
self.width = width
self.height = height
self.is_alive = True
self.move_speed = 5
self.hitbox = pygame.Rect(self.x, self.y, self.width, self.height)
def draw(self, window):
pygame.draw.rect(window, (0,255,0), (self.x, self.y, self.width, self.height))
def move(self, keys):
self.hitbox = pygame.Rect(self.x, self.y, self.width, self.height)
if keys[pygame.K_RIGHT] and self.x < WIDTH - self.width - 50:
self.x += self.move_speed
if keys[pygame.K_LEFT] and self.x > 0 + 50:
self.x -= self.move_speed
if keys[pygame.K_UP] and self.y > 0 + WIDTH / 2:
self.y -= self.move_speed
if keys[pygame.K_DOWN] and self.y < HEIGHT - self.height - 50:
self.y += self.move_speed
# enemy class
class enemy:
def __init__(self):
self.start_line = 100
self.end_line = 700
self.min_size = 10
self.max_size = 40
self.min_speed = 1
self.max_speed = 8
self.y = 10
self.x = random.randint(self.start_line, self.end_line)
self.width = self.height = random.randint(self.min_size, self.max_size)
self.vel = random.randint(self.min_speed, self.max_speed)
self.hitbox = pygame.Rect(self.x, self.y, self.width, self.height)
def draw(self, window):
pygame.draw.rect(window, (255,0,0), (self.x, self.y, self.width, self.height))
def move(self):
self.hitbox = pygame.Rect(self.x, self.y, self.width, self.height)
self.y += self.vel
# create a quit function
def terminate():
pygame.quit()
sys.exit()
def draw_text(text, font, window, x,y):
textObj = font.render(text, 1, TEXT_COLOR)
textRect = textObj.get_rect()
textRect.topleft = (x - textObj.get_width() // 2, y - textObj.get_height() // 2)
window.blit(textObj, textRect)
def wait_for_key_press():
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
terminate()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
dodger.run = False
dodger.retry = True
return
def reset_game(player, baddies, game_logic):
player.x = 100
player.y = 700
baddies.clear()
game_logic.timer = 0
def ask_for_retry(keys, game_logic):
window.fill((0,0,0))
draw_text("Wanna try again? y/n", font, window, HEIGHT / 2, WIDTH / 2)
pygame.display.update()
if keys[pygame.K_y]:
game_logic.lost = False
if keys[pygame.K_n]:
game_logic.run = False
man = Player(100, 700, 30, 30)
baddies = []
BADDIE_SPAWN_RATE = 40
font = pygame.font.SysFont(None, 48)
dodger = Game()
draw_text('Dodger', font, window, (WIDTH / 2), (HEIGHT / 2 - 30))
draw_text('Press a key to start.', font, window, (WIDTH / 2), (HEIGHT / 2 + 30))
pygame.display.update()
wait_for_key_press()
# main loop
while dodger.run:
clock.tick(FPS)
keys = pygame.key.get_pressed()
if dodger.lost:
if dodger.timer > 0:
reset_game(man, baddies, dodger)
ask_for_retry(keys, dodger)
else :
dodger.play(keys, baddies, BADDIE_SPAWN_RATE, man)
for event in pygame.event.get():
if event.type == pygame.QUIT:
terminate()
if keys[pygame.K_ESCAPE]:
dodger.run = False
window.fill((0,0,0))
draw_text('Goodbye', font, window, (WIDTH / 2 ), (HEIGHT / 2))
pygame.display.update()
time.sleep(1)
terminate()