PyGame Menu Demo
This game demonstrates menus in PyGame.
'''
Menu example
'''
import sys
import random
import pygame
# Constants
FPS = 60
SCREEN_WIDTH = 1200
SCREEN_HEIGHT = 800
BTN_PADDING = 10 # How much padding are we going to put around a button?
BTN_MARGIN = 10 # How much space do we want around button text?
# Colors
WHITE = [255, 255, 255]
GREY = [175, 175, 175]
BLACK = [0, 0, 5]
YELLOW = [255, 229, 153]
DARKER_YELLOW = [255, 217, 102]
pygame.init() # As always, initialize pygame
screen = pygame.display.set_mode([SCREEN_WIDTH, SCREEN_HEIGHT])
clock = pygame.time.Clock()
menu_font = pygame.font.SysFont('impact', 32) # Here's our button font
print("Loaded the font!")
screen_mode = 'title' # Modes: title, menu
menu_btn_color = YELLOW
menu_btn_hover_color = DARKER_YELLOW
################################################################################
# Title screen components
################################################################################
title_screen_bg_color = BLACK
# === Title text ===
title_font = pygame.font.SysFont('impact', 128)
title_surface = title_font.render('THE MENU GAME', True, WHITE)
title_rect = title_surface.get_rect()
title_rect.x = (SCREEN_WIDTH / 2) - (title_rect.width / 2) # Put rect in middle of screen (perfectly in middle x)
title_rect.y = (SCREEN_HEIGHT / 2) - (title_rect.height) # Put rect in middle of the screen (sitting on top of horizontal midline)
# === Open menu button ===
menu_btn_txt_surface = menu_font.render('open menu', True, BLACK)
# setup open menu button background
menu_btn_bg_rect = menu_btn_txt_surface.get_rect()
menu_btn_bg_rect.width += 2 * BTN_MARGIN # Add some margins to the button
menu_btn_bg_rect.height += 2 * BTN_MARGIN # Add margin to the button
menu_btn_bg_rect.x = title_rect.midbottom[0] - (menu_btn_bg_rect.width / 2)
menu_btn_bg_rect.y = title_rect.midbottom[1] + BTN_PADDING
# setup text rectangle (used to determine where we'll draw text)
menu_btn_txt_rect = menu_btn_txt_surface.get_rect()
menu_btn_txt_rect.x = title_rect.midbottom[0] - (menu_btn_txt_rect.width / 2)
menu_btn_txt_rect.y = title_rect.midbottom[1] + BTN_PADDING + BTN_MARGIN
################################################################################
# Menu screen components
################################################################################
menu_screen_bg_color = GREY
menu_screen_buttons = ['resume', 'random', 'quit'] # Available buttons
cur_menu_btn_id = 0 # What button are we currently on?
btn_color = YELLOW
# === Resume button ===
# Render resume btn text onto surface
resume_btn_txt_surface = menu_font.render('Resume', True, BLACK)
# Setup resume button background
resume_btn_bg_rect = resume_btn_txt_surface.get_rect()
resume_btn_bg_rect.width += 2 * BTN_MARGIN
resume_btn_bg_rect.height += 2 * BTN_MARGIN
resume_btn_bg_rect.x = (SCREEN_WIDTH / 2) - (0.5 * resume_btn_bg_rect.width)
resume_btn_bg_rect.y = 50
# Setup the resume button text
resume_btn_txt_rect = resume_btn_txt_surface.get_rect()
resume_btn_txt_rect.x = resume_btn_bg_rect.x + BTN_MARGIN
resume_btn_txt_rect.y = resume_btn_bg_rect.y + BTN_MARGIN
# === Random button ===
# Render random btn text onto surface
random_btn_txt_surface = menu_font.render('???', True, BLACK)
# Setup random button background
random_btn_bg_rect = random_btn_txt_surface.get_rect()
random_btn_bg_rect.width += 2 * BTN_MARGIN
random_btn_bg_rect.height += 2 * BTN_MARGIN
random_btn_bg_rect.x = (SCREEN_WIDTH / 2) - (0.5 * random_btn_bg_rect.width)
random_btn_bg_rect.y = resume_btn_bg_rect.y + (resume_btn_bg_rect.height + BTN_PADDING)
# Setup the random button text
random_btn_txt_rect = random_btn_txt_surface.get_rect()
random_btn_txt_rect.x = random_btn_bg_rect.x + BTN_MARGIN
random_btn_txt_rect.y = random_btn_bg_rect.y + BTN_MARGIN
# === Quit button ===
# Render quit btn text onto surface
quit_btn_txt_surface = menu_font.render('Quit', True, BLACK)
# Setup quit button background
quit_btn_bg_rect = quit_btn_txt_surface.get_rect()
quit_btn_bg_rect.width += 2 * BTN_MARGIN
quit_btn_bg_rect.height += 2 * BTN_MARGIN
quit_btn_bg_rect.x = (SCREEN_WIDTH / 2) - (0.5 * quit_btn_bg_rect.width)
quit_btn_bg_rect.y = random_btn_bg_rect.y + (resume_btn_bg_rect.height + BTN_PADDING)
# Setup the quit button text
quit_btn_txt_rect = quit_btn_txt_surface.get_rect()
quit_btn_txt_rect.x = quit_btn_bg_rect.x + BTN_MARGIN
quit_btn_txt_rect.y = quit_btn_bg_rect.y + BTN_MARGIN
################################################################################
# Game loop
while True:
# We need to show different things depending on whether or not we're in 'title'
# or 'menu' mode
if screen_mode == 'title':
# ==== TITLE SCREEN MODE ====
screen.fill(title_screen_bg_color)
# Draw the title screen
# Render the title text in the middle of the screen
screen.blit(title_surface, title_rect)
# Draw the menu button, first: the text
pygame.draw.rect(screen, menu_btn_color, menu_btn_bg_rect)
screen.blit(menu_btn_txt_surface, menu_btn_txt_rect)
elif screen_mode == 'menu':
# === MENU SCREEN MODE ===
screen.fill(menu_screen_bg_color)
# Draw button rectangles!
# - If button is active, color background with hover color and an outline
# - otherwise, draw with normal color and no outline
if menu_screen_buttons[cur_menu_btn_id] == 'resume':
pygame.draw.rect(screen, menu_btn_hover_color, resume_btn_bg_rect)
pygame.draw.rect(screen, BLACK, resume_btn_bg_rect, 5)
else:
pygame.draw.rect(screen, menu_btn_color, resume_btn_bg_rect)
if menu_screen_buttons[cur_menu_btn_id] == 'random':
pygame.draw.rect(screen, menu_btn_hover_color, random_btn_bg_rect)
pygame.draw.rect(screen, BLACK, random_btn_bg_rect, 5)
else:
pygame.draw.rect(screen, menu_btn_color, random_btn_bg_rect)
if menu_screen_buttons[cur_menu_btn_id] == 'quit':
pygame.draw.rect(screen, menu_btn_hover_color, quit_btn_bg_rect)
pygame.draw.rect(screen, BLACK, quit_btn_bg_rect, 5)
else:
pygame.draw.rect(screen, menu_btn_color, quit_btn_bg_rect)
# Layer button text over button backgrounds
screen.blit(resume_btn_txt_surface, resume_btn_txt_rect)
screen.blit(random_btn_txt_surface, random_btn_txt_rect)
screen.blit(quit_btn_txt_surface, quit_btn_txt_rect)
else:
# ==== ???? MODE ====
print("AAAH UNRECOGNIZED SCREEN MODE! Exiting")
pygame.quit()
sys.exit()
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
# ===== TITLE MODE EVENTS =====
if screen_mode == 'title' and event.type == pygame.MOUSEBUTTONDOWN:
mouse_pos = pygame.mouse.get_pos()
if menu_btn_bg_rect.collidepoint(mouse_pos):
screen_mode = 'menu'
cur_menu_btn_id = 0
# ===== MENU MODE EVENTS =====
if screen_mode == 'menu' and event.type == pygame.KEYDOWN:
if event.key == pygame.K_DOWN:
# player presses down arrow
cur_menu_btn_id = (cur_menu_btn_id + 1) % len(menu_screen_buttons)
if event.key == pygame.K_UP:
# player presses up arrow
cur_menu_btn_id = (cur_menu_btn_id - 1) % len(menu_screen_buttons)
if event.key == pygame.K_RETURN:
# Player presses return (selects current option)
if menu_screen_buttons[cur_menu_btn_id] == 'resume':
# if on resume button, go back to title screen
screen_mode = 'title'
elif menu_screen_buttons[cur_menu_btn_id] == 'random':
# if on random ('???') button, randomize background color
menu_screen_bg_color = [random.randint(0, 255),
random.randint(0, 255),
random.randint(0, 255)]
elif menu_screen_buttons[cur_menu_btn_id] == 'quit':
# if on quit button, quit the game
pygame.quit()
sys.exit()
clock.tick(FPS)
pygame.display.update()
|>> download menu.py