python - 你如何在 pygame 中制作图像并让它们移动?
问题描述
我一直在为学校项目制作游戏,我让这些积木从屏幕上下来,你需要躲避它们。我需要把从屏幕上下来的空白绘制矩形变成我拥有的汽车的图片。到目前为止,这是我的代码:
import pygame
import time
import random
pygame.init()
skate_sound = pygame.mixer.Sound("skateboard.wav")
pygame.mixer.music.load("menu_audio.wav")
ouch = pygame.mixer.Sound("ouch.wav")
display_width = 800
display_height = 600
black = (0,0,0)
white = (255,255,255)
red = (255,0,0)
cyan = (71, 148, 192)
green = (0, 255, 0)
dark_red = (200, 0 ,0)
dark_green = (0, 180 ,0)
grass_green = (39, 131, 51)
man_width = 35
gameDisplay = pygame.display.set_mode((display_width,display_height))
pygame.display.set_caption('Skate or Die')
clock = pygame.time.Clock()
manImg = pygame.image.load('skater1.png')
def objects_dodged(count):
font = pygame.font.SysFont(None, 25)
text = font.render("Dodged: "+str(count), True, black)
gameDisplay.blit(text, (0,0))
def objects(objectx, objecty, objectw, objecth, color):
pygame.draw.rect(gameDisplay, color, [objectx, objecty, objectw, objecth])
#^^NEED TO CHANGE TO AN IMAGE CALLED TAXI.PNG CAN SOMEONE PLEASE FIX FOR ME
def man(x,y):
gameDisplay.blit(manImg,(x,y))
def text_objects(text, font):
textSurface = font.render(text, True, black)
return textSurface, textSurface.get_rect()
def message_display(text):
largeText = pygame.font.Font('freesansbold.ttf',115)
TextSurf, TextRect = text_objects(text, largeText)
TextRect.center = ((display_width/2),(display_height/2))
gameDisplay.blit(TextSurf, TextRect)
pygame.display.update()
time.sleep(2)
game_loop()
def crash():
pygame.mixer.Sound.play(ouch)
pygame.mixer.Sound.stop(skate_sound)
message_display("You Died!")
def button(msg,x,y,w,h,ic,ac,action=None):
mouse = pygame.mouse.get_pos()
click = pygame.mouse.get_pressed()
#print(click)
if x+w > mouse[0] > x and y+h > mouse[1] > y:
pygame.draw.rect(gameDisplay, ic,(x,y,w,h))
if click[0] == 1 and action != None:
if action == "play":
game_loop()
elif action == "quit":
pygame.quit()
quit()
else:
pygame.draw.rect(gameDisplay, ac,(x,y,w,h))
smallText = pygame.font.Font("freesansbold.ttf",20)
textSurf, textRect = text_objects(msg, smallText)
textRect.center = ( (x+(w/2)), (y+(h/2)) )
gameDisplay.blit(textSurf, textRect)
def game_intro():
pygame.mixer.music.play(-1)
intro = True
while intro:
for event in pygame.event.get():
#print(event)
if event.type == pygame.QUIT:
pygame.quit()
quit()
gameDisplay.fill(white)
largeText = pygame.font.Font('freesansbold.ttf',115)
TextSurf, TextRect = text_objects("Skate or Die!", largeText)
TextRect.center = ((display_width/2),(display_height/2))
gameDisplay.blit(TextSurf, TextRect)
button("Start",150,450,100,50,dark_green,green,"play")
button("Quit",550,450,100,50,dark_red,red,"quit")
#pygame.draw.rect(gameDisplay, red,(550,450,100,50))
pygame.display.update()
clock.tick(3)
def game_loop():
pygame.mixer.Sound.stop(ouch)
pygame.mixer.music.stop()
pygame.mixer.Sound.play(skate_sound)
x = (display_width * 0.45)
y = (display_height * 0.75)
x_change = 0
object_startx = random.randrange(0, display_width)
object_starty = -600
object_speed = 8
object_width = 100
object_height = 80
dodged = 0
gameExit = False
while not gameExit:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
quit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
x_change = -5
if event.key == pygame.K_RIGHT:
x_change = 5
if event.type == pygame.KEYUP:
if event.key == pygame.K_LEFT or event.key == pygame.K_RIGHT:
x_change = 0
x += x_change
#gameDisplay.fill(white)
bg = pygame.image.load("bg.png")
gameDisplay.blit(bg, (0, 0))
man(x,y)
# objects(objectx, objecty, objectw, objecth, color)
objects(object_startx, object_starty, object_width, object_height, cyan)
object_starty += object_speed
man(x,y)
objects_dodged(dodged)
if x > display_width - man_width or x < 0:
crash()
if object_starty > display_height:
object_starty = 0 - object_height
object_startx = random.randrange(0, display_width)
dodged += 1
object_speed += 0.7
object_width += (dodged * 1)
if y < object_starty+object_height:
print('y crossover')
if x > object_startx and x < object_startx + object_width or x+man_width > object_startx and x + man_width < object_startx+object_width:
print('x crossover')
crash()
pygame.display.update()
clock.tick(60)
game_intro()
game_loop()
pygame.quit()
quit()
如果有人可以修复它,使其显示taxi.png而不是矩形作为对象,将不胜感激。
解决方案
要绘制汽车的图片而不是矩形,只需执行与人相同的操作即可。
在 即 的行下manImg = pygame.image.load('skater1.png')
,放置以下行:carImg= pygame.image.load('taxi.png')
这将加载汽车的图片并调用它carImg
。
现在,您需要将该图片绘制到屏幕上。替换您的对象功能:
def objects(objectx, objecty, objectw, objecth, color):
pygame.draw.rect(gameDisplay, color, [objectx, objecty, objectw, objecth])
具有绘制汽车的功能。
def drawCar(x,y):
pygameDisplay.blit(carImg,(x,y))
注意它与man
函数非常相似,唯一的区别是绘制的图像。
您需要做的最后一件事是实际调用该drawCar
函数。替换此行
objects(object_startx, object_starty, object_width, object_height, cyan)
有了这个:drawCar(object_startx,object_starty)
我建议您自己进行这些更改,它将帮助您学习。但是,如果您赶时间,那么完成所有这些更改后的最终代码应该是:
import pygame
import time
import random
pygame.init()
skate_sound = pygame.mixer.Sound("skateboard.wav")
pygame.mixer.music.load("menu_audio.wav")
ouch = pygame.mixer.Sound("ouch.wav")
display_width = 800
display_height = 600
black = (0,0,0)
white = (255,255,255)
red = (255,0,0)
cyan = (71, 148, 192)
green = (0, 255, 0)
dark_red = (200, 0 ,0)
dark_green = (0, 180 ,0)
grass_green = (39, 131, 51)
man_width = 35
gameDisplay = pygame.display.set_mode((display_width,display_height))
pygame.display.set_caption('Skate or Die')
clock = pygame.time.Clock()
manImg = pygame.image.load('skater1.png')
carImg= pygame.image.load('taxi.png')
def objects_dodged(count):
font = pygame.font.SysFont(None, 25)
text = font.render("Dodged: "+str(count), True, black)
gameDisplay.blit(text, (0,0))
def drawCar(x,y):
pygameDisplay.blit(carImg,(x,y))
def man(x,y):
gameDisplay.blit(manImg,(x,y))
def text_objects(text, font):
textSurface = font.render(text, True, black)
return textSurface, textSurface.get_rect()
def message_display(text):
largeText = pygame.font.Font('freesansbold.ttf',115)
TextSurf, TextRect = text_objects(text, largeText)
TextRect.center = ((display_width/2),(display_height/2))
gameDisplay.blit(TextSurf, TextRect)
pygame.display.update()
time.sleep(2)
game_loop()
def crash():
pygame.mixer.Sound.play(ouch)
pygame.mixer.Sound.stop(skate_sound)
message_display("You Died!")
def button(msg,x,y,w,h,ic,ac,action=None):
mouse = pygame.mouse.get_pos()
click = pygame.mouse.get_pressed()
#print(click)
if x+w > mouse[0] > x and y+h > mouse[1] > y:
pygame.draw.rect(gameDisplay, ic,(x,y,w,h))
if click[0] == 1 and action != None:
if action == "play":
game_loop()
elif action == "quit":
pygame.quit()
quit()
else:
pygame.draw.rect(gameDisplay, ac,(x,y,w,h))
smallText = pygame.font.Font("freesansbold.ttf",20)
textSurf, textRect = text_objects(msg, smallText)
textRect.center = ( (x+(w/2)), (y+(h/2)) )
gameDisplay.blit(textSurf, textRect)
def game_intro():
pygame.mixer.music.play(-1)
intro = True
while intro:
for event in pygame.event.get():
#print(event)
if event.type == pygame.QUIT:
pygame.quit()
quit()
gameDisplay.fill(white)
largeText = pygame.font.Font('freesansbold.ttf',115)
TextSurf, TextRect = text_objects("Skate or Die!", largeText)
TextRect.center = ((display_width/2),(display_height/2))
gameDisplay.blit(TextSurf, TextRect)
button("Start",150,450,100,50,dark_green,green,"play")
button("Quit",550,450,100,50,dark_red,red,"quit")
#pygame.draw.rect(gameDisplay, red,(550,450,100,50))
pygame.display.update()
clock.tick(3)
def game_loop():
pygame.mixer.Sound.stop(ouch)
pygame.mixer.music.stop()
pygame.mixer.Sound.play(skate_sound)
x = (display_width * 0.45)
y = (display_height * 0.75)
x_change = 0
object_startx = random.randrange(0, display_width)
object_starty = -600
object_speed = 8
object_width = 100
object_height = 80
dodged = 0
gameExit = False
while not gameExit:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
quit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
x_change = -5
if event.key == pygame.K_RIGHT:
x_change = 5
if event.type == pygame.KEYUP:
if event.key == pygame.K_LEFT or event.key == pygame.K_RIGHT:
x_change = 0
x += x_change
#gameDisplay.fill(white)
bg = pygame.image.load("bg.png")
gameDisplay.blit(bg, (0, 0))
man(x,y)
# objects(objectx, objecty, objectw, objecth, color)
drawCar(object_startx,object_starty)
object_starty += object_speed
man(x,y)
objects_dodged(dodged)
当您在线学习教程时,不要只是复制和粘贴代码。确保您了解正在发生的事情,以便将来您可以自己做。
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