[英]How to make gif at pygame?
我有6张照片,我想从这些照片中制作gif并在Pygame上显示。 我知道我不能这么简单地预览它,那么该怎么做才能像gif那样显示动画呢?
Python 2.7
您可以创建一个根据时间间隔在图像之间切换的类。
class Animation(pygame.sprite.Sprite):
def __init__(self, images, time_interval):
super(Animation, self).__init__()
self.images = images
self.image = self.images[0]
self.time_interval = time_interval
self.index = 0
self.timer = 0
def update(self, seconds):
self.timer += seconds
if self.timer >= self.time_interval:
self.image = self.images[self.index]
self.index = (self.index + 1) % len(self.images)
self.timer = 0
我创建了一个小示例程序来进行尝试。
import pygame
import sys
pygame.init()
class Animation(pygame.sprite.Sprite):
def __init__(self, images, time_interval):
super(Animation, self).__init__()
self.images = images
self.image = self.images[0]
self.time_interval = time_interval
self.index = 0
self.timer = 0
def update(self, seconds):
self.timer += seconds
if self.timer >= self.time_interval:
self.image = self.images[self.index]
self.index = (self.index + 1) % len(self.images)
self.timer = 0
def create_images():
images = []
for i in xrange(6):
image = pygame.Surface((256, 256))
image.fill((255 - i * 50, 255, i * 50))
images.append(image)
return images
def main():
images = create_images() # Or use a list of your own images.
a = Animation(images, 0.25)
# Main loop.
while True:
seconds = clock.tick(FPS) / 1000.0 # 'seconds' is the amount of seconds each loop takes.
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
a.update(seconds)
screen.fill((0, 0, 0))
screen.blit(a.image, (250, 100))
pygame.display.update()
if __name__ == '__main__':
screen = pygame.display.set_mode((720, 480))
clock = pygame.time.Clock()
FPS = 60
main()
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