[英]how to make a sprite bounce of the edges of the window in pygame
到目前為止,我的程序從左到右彈跳,但是現在我想彈跳牆壁。 我該怎么辦?
delta = 5
u = 1 # x coordinate
u += delta
if u >= 440: #480 is the window size, I have it stopping at 440
delta = -5 #Go back by 5
elif u < 0:
delta = 5 #Go up by 5
較大的代碼片段,可以解決,但sprite不在屏幕上。要運行代碼,請確保您具有名為“ bird.png”的圖片或更改圖片:
import pygame
import random
class mySprite(pygame.sprite.Sprite):
def __init__(self):
pygame.sprite.Sprite.__init__(self)
self.image = pygame.image.load("bird.png")
self.rect = self.image.get_rect()
## slef.rect(50,50,self.image.get_width(), self.image.get_height())
def update(self,x,y):
self.rect.x = x
self.rect.y = y
class newSprite(pygame.sprite.Sprite):
def __init__(self):
pygame.sprite.Sprite.__init__(self)
self.image = pygame.image.load("ball.png")
self.rect = self.image.get_rect()
def update(self,x,y):
self.rect.x = x
self.rect.y = y
class otherSprite(pygame.sprite.Sprite):
def __init__(self):
pygame.sprite.Sprite.__init__(self)
self.image = pygame.image.load("bird.png")
self.rect = self.image.get_rect()
def update(self,x,y):
self.rect.x = x
self.rect.y = y
def main():
""" Set up the game and run the main game loop """
pygame.init() # prepare the pygame module for use
surfaceSz = 480 # Desired physical surface size, in pixels.
# Create surface of (width, height), and its window.
main_surface = pygame.display.set_mode((surfaceSz, surfaceSz))
small_rect = (300, 200, 150, 90)
some_color = (255,0,0)
main_surface.fill((0,200,255))
s = mySprite()
all_sprites = pygame.sprite.Group()
s.add(all_sprites)
delta_x = 5
delta_y = 5
u = 1 # x coord
v = 1 # y coord
clock = pygame.time.Clock()
while True:
ev = pygame.event.poll() # look for any event
if ev.type == pygame.QUIT: # window close button clicked?
break # ... leave game loop
main_surface.fill((0,200,255))
#u += delta
#if u >= 440:
# delta = -5
#elif u < 0:
# delta = 5
u += delta_x
v += delta_y
if (v >=440): #assuming your y axis is 440 pixels
delta_y = -5
elif v<=0 :
delta_y = 5
if u >= 440: #440 pixels u have
delta = -5
elif u < 0:
delta = 5 #Go up by 5
all_sprites.update(u,50)
pos =(random.randint(0, surfaceSz), random.randint(0, surfaceSz))
all_sprites.draw(main_surface)
# Now the surface is ready, tell pygame to display it!
pygame.display.flip()
clock.tick(60)
pygame.quit() # once we leave the loop, close the window.
main()
也使坐標
delta_y = 5
delta_x = 5
u = 1 # the x coordinate
v = 1 # the y coordinate
u +=delta_x
v +=delta_y
if (v >=300): #assuming your y axis is 300 pixels
delta_y = -5
elif v<=0 :
delta_y = 5
if u >= 440: #440 pixels u have
delta_x = -5
elif u < 0:
delta_x = 5 #Go up by 5
這是一個從牆上彈起的動靜的鳥/球,首先,您只需要一種類型的精靈即可,只需創建具有不同圖像的不同實例即可。 希望能幫助到你
import sys, pygame, random
SIZE = width, height = 640, 480
SPEED = [2, 2]
black = 0, 0, 0
class mySprite(pygame.sprite.Sprite):
def __init__(self, image="ball.bmp", speed=[2,2]):
pygame.sprite.Sprite.__init__(self)
self.speed = speed
self.image = pygame.image.load(image)
self.rect = self.image.get_rect()
def update(self):
global SIZE
#i used 110 px because it's the size of the image, but it's better to use the rect property of the pygame
if (self.rect.x <0) or (self.rect.x > 640-110):
self.speed[0] *= -1
if (self.rect.y<0) or (self.rect.y > 480-110):
self.speed[1] *= -1
self.rect.x =self.rect.x + self.speed[0]
self.rect.y =self.rect.y + self.speed[1]
#OR: self.rect = self.rect.move(self.speed)
def draw(self, screen):
screen.blit(self.image, self.rect)
#
pygame.init()
screen = pygame.display.set_mode(SIZE)
iaka = mySprite()
while 1:
for event in pygame.event.get():
if event.type == pygame.QUIT: sys.exit()
screen.fill(black)
iaka.draw(screen)
iaka.update()
pygame.display.flip()
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.