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import pygame
pygame.init()



def main():
    
    x = y = 0
    x1 = y1 = 0
    zeichne = 0
    screen = pygame.display.set_mode((600,400))
    
    while True:
        
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                return
            
            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_ESCAPE:
                    return
                
            if event.type == pygame.MOUSEMOTION:
                x,y = event.pos
            elif event.type == pygame.MOUSEBUTTONDOWN:
                x1,y1 = event.pos
                zeichne = 1
            elif event.type == pygame.MOUSEBUTTONUP:
                zeichne = 0
                
        screen.fill((0,0,0))
        if zeichne == 1:
            pygame.draw.line(screen, (255,255,255), (x1,y1), (x1,y))
            pygame.draw.line(screen, (255,255,255), (x1,y1), (x,y1))
            pygame.draw.line(screen, (255,255,255), (x,y), (x,y1))
            pygame.draw.line(screen, (255,255,255), (x, y), (x1,y))
        pygame.display.flip()
        
if __name__ == '__main__':
    main()

Code: Alles auswählen

draw_white_line = functools.partial(pygame.draw.line(screen, (255,255,255))

Code: Alles auswählen

draw_white_line((x1,y1), (x1,y))
draw_white_line((x1,y1), (x,y1))
draw_white_line((x,y), (x,y1))
draw_white_line((x, y), (x1,y))