import pygame, sys pygame.init() windowSurface = pygame.display.set_mode((500, 400)) pygame.display.set_caption('Hello world!') BLACK = (0, 0, 0) WHITE = (255, 255, 255) RED = (255, 0, 0) GREEN = (0, 255, 0) BLUE = (0, 0, 255) color_text = WHITE color_background = WHITE color_polygon = GREEN color_border = RED running = True while running: basic_font = pygame.font.SysFont(None, 48) text = basic_font.render('Hello world!', True, color_text ,BLUE) text_rect = text.get_rect() text_rect.centerx = windowSurface.get_rect().centerx text_rect.centery = windowSurface.get_rect().centery windowSurface.fill(color_background) pygame.draw.polygon(windowSurface, color_polygon, ((146, 0), (291, 106), (236, 277), (56, 277), (0, 106)) ) pygame.draw.line(windowSurface, BLUE, (60, 60), (120, 60), 4) pygame.draw.line(windowSurface, BLUE, (120, 60), (60, 120)) pygame.draw.line(windowSurface, BLUE, (60, 120), (120, 120), 4) pygame.draw.circle(windowSurface, BLUE, (300, 50), 20, 0) pygame.draw.ellipse(windowSurface, RED, (300, 250, 40,80), 1) pygame.draw.rect(windowSurface, color_border, (text_rect.left - 20, text_rect.top - 20, text_rect.width + 40, text_rect.height + 40) ) windowSurface.blit(text, text_rect) pygame.display.update() for event in pygame.event.get(): if event.type == pygame.QUIT: running = False elif event.type == pygame.MOUSEBUTTONUP: color_background = WHITE color_border = (255, (color_border[1] + 10) % 256, 0) elif event.type == pygame.MOUSEBUTTONDOWN: color_background = RED elif event.type == pygame.KEYUP: if event.key == pygame.K_UP: color_polygon = BLACK elif event.key == pygame.K_DOWN: color_polygon = GREEN pygame.quit()