Today we are going to see how to animate sprites
import pygame
import glob
class MySprite(pygame.sprite.Sprite):
def __init__(self):
super(MySprite, self).__init__()
self.images = []
# === to put the image in order === 1, 2, 3.... 9, 10, 11
# otherwise it would go 1, 11, 12, ... 2, 3
self.imageslist = glob.glob("png\\*.png")
self.idle = self.get_images("Idle")
self.walk = self.get_images("Walk")
self.jump = self.get_images("Jump")
print(self.idle)
self.index = 0
self.rect = pygame.Rect(5, 5, 150, 198)
self.state = 0
self.images = self.idle
# my_group.add(self)
def get_images(self, name):
''' give the starting of the name of animation to load the
images for that action
to add an animation images list:
self.shoot = get_images('Shoot')
* all images must start with Shoot and end with a progressive
number in folder png
if you want to animate enemies, give the images the
name enemy1Idle 1 ..., enemy1Walk 1... etc
enemy2Idle1...
'''
temp = [i for i in self.imageslist if i.startswith(f"png\\{name}")]
first = len(temp[0])
idle1 = []
idle2 = []
for i in temp:
if len(i) == first:
idle1.append(i)
else:
idle2.append(i)
temp = idle1 + idle2 # now the order should be correct
temp = [pygame.image.load(i).convert() for i in temp]
return temp
def user_interaction(self):
''' called by update of this class '''
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
if event.type == pygame.KEYDOWN:
# IF YOU PRESS RIGHT PLAYER WALKS (see update method)
if event.key == pygame.K_RIGHT:
self.state = 1
# IF YOU PRESS UP PLAYER JUMPS (see update method)
if event.key == pygame.K_UP:
self.state = 2
# WHEN YOU DO not HOLD key it goes back to IDLE
if event.type == pygame.KEYUP:
self.state = 0
def update(self):
# CHECK KEY PRESSED
self.user_interaction()
# LOADS THE ANIMATION FOR THE ACTION AS YOU PRESS A KEY
'''
--------------------
state
0 idle
1 walk
2 jump
---------------------
'''
if self.state == 0:
self.images = self.idle
# YOU PRESS RIGHT ARROW: WALKS
elif self.state == 1:
self.images = self.walk
# YOU PRESS UP, JUMPS
elif self.state == 2:
self.images = self.jump
# ITERATE THROUGH IMAGES FOR ANIMATION
if int(self.index) >= len(self.images):
self.index = 0
self.image = self.images[int(self.index)]
self.index += .3
def show_fps():
''' shows the frame rate on the screen '''
fps_text = str(int(clock.get_fps())) # get the clocl'fps
# render a text surface
fps_surface = fps_font.render(fps_text, 1, pygame.Color("black"))
# blit the background surface
screen.blit(fps_bg, (0, 0))
# blit the text surface on the backgroud
screen.blit(fps_surface, (0, 0))
pygame.init()
SIZE = WIDTH, HEIGHT = 600, 550 #the width and height of our screen
FPS = 60 #Frames per second
fps_bg = pygame.Surface((20, 25)) # a surface for fps
fps_bg.fill((255, 255, 255)) # the color of the surface
fps_font = pygame.font.SysFont("Arial", 20) # a font for the fps
clock = pygame.time.Clock()
screen = pygame.display.set_mode(SIZE)
def main():
pygame.display.set_caption("Trace")
player = MySprite()
my_group = pygame.sprite.Group(player)
while True:
# to get the users events see self.user_interaction in MySprite
my_group.update()
# screen.fill((0,0,0))
my_group.draw(screen)
show_fps()
pygame.display.update()
clock.tick(FPS)
pygame.quit()
if __name__ == '__main__':
main()
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