import pygame, sys
from pygame.locals import *
pygame.init()
YSIZE = 40
XSIZE = 150
TEXT = "Hello World! "
FONTSIZE = 32
LEFT = False
RIGHT = True
DIR = RIGHT
TIMETICK = 180
TICK = USEREVENT + 2
TEXTBOX = pygame.Rect(10,10,XSIZE,YSIZE)
pygame.time.set_timer(TICK, TIMETICK)
window = pygame.display.set_mode((XSIZE, YSIZE))
pygame.display.set_caption("Animation")
font = pygame.font.SysFont(None, FONTSIZE)
screen = pygame.display.get_surface()
def rotate():
index = DIR and -1 or 1
global TEXT
TEXT = TEXT[index:]+TEXT[:index]
def click(position):
if TEXTBOX.collidepoint(position):
global DIR
DIR = not DIR
def draw():
surface = font.render(TEXT, True, (255,255,255), (0,0,0))
global TEXTBOX
TEXTBOX = screen.blit(surface, TEXTBOX)
def input(event):
if event.type == QUIT:
sys.exit(0)
elif event.type == MOUSEBUTTONDOWN:
click(event.pos)
elif event.type == TICK:
draw()
rotate()
while True:
input(pygame.event.wait())
pygame.display.flip()
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