Я делаю игру «Гонки сверху вниз» как проект (я новичок в python), и я хочу знать, как сделать так, чтобы трасса (которую я сделал фоном) двигалась так, чтобы когда машина пользователя двигаласьдорожка по существу движется в противоположном направлении, поэтому похоже, что вы движетесь по кругу.(Камера ориентирована на автомобиль пользователя)
Спасибо
import math
import random
import pygame
pygame.mixer.pre_init(44100,16,2,4096)
pygame.init()
screen = pygame.display.set_mode((1280, 800))
rect = screen.get_rect()
clock = pygame.time.Clock()
#music
pygame.mixer.music.load("Wice.mp3")
pygame.mixer.music.set_volume(0.5)
pygame.mixer.music.play(-1)
WHITE = pygame.Color('white')
VEHICLE1 = pygame.Surface((40, 70), pygame.SRCALPHA)
VEHICLE1.fill((130, 180, 20))
#blitting car onto 'rectangle car'
VEHICLE1 = pygame.image.load("YellowLambo.png")
screen.blit(VEHICLE1,(0,0))
pygame.display.update()
VEHICLE2 = pygame.Surface((40, 70), pygame.SRCALPHA)
VEHICLE2.fill((200, 120, 20))
#blitting computer's car
VEHICLE2 = pygame.image.load("RedLambo.png")
screen.blit(VEHICLE2,(0,0))
pygame.display.update()
BACKGROUND = pygame.Surface((1280, 800))
BACKGROUND.fill((127, 69, 2))
BACKGROUND = pygame.image.load("track.png").convert()
screen.blit(BACKGROUND,(0,0))
pygame.display.update()
class Entity(pygame.sprite.Sprite):
def __init__(self):
pygame.sprite.Sprite.__init__(self)
class VehicleSprite(Entity):
MAX_FORWARD_SPEED = 10
MAX_REVERSE_SPEED = 2
ACCELERATION = 0.05
TURN_SPEED = 0.000000000001
def __init__(self, image, position):
Entity.__init__(self)
self.src_image = image
self.image = image
self.rect = self.image.get_rect(center=position)
self.position = pygame.math.Vector2(position)
self.velocity = pygame.math.Vector2(0, 0)
self.speed = self.direction = 0
self.k_left = self.k_right = self.k_down = self.k_up = 0
def update(self, time):
# SIMULATION
self.speed += self.k_up + self.k_down
# To clamp the speed.
self.speed = max(-self.MAX_REVERSE_SPEED,
min(self.speed, self.MAX_FORWARD_SPEED))
# Degrees sprite is facing (direction)
self.direction += (self.k_right + self.k_left)
rad = math.radians(self.direction)
self.velocity.x = -self.speed*math.sin(rad)
self.velocity.y = -self.speed*math.cos(rad)
self.position += self.velocity
self.image = pygame.transform.rotate(self.src_image, self.direction)
self.rect = self.image.get_rect(center=self.position)
class Background(pygame.sprite.Sprite):
def __init__(self, image, location):
pygame.sprite.Sprite.__init__(self)
self.image = image
self.rect = self.image.get_rect(topleft=location)
def game_loop():
background = Background(BACKGROUND, [0, 0])
bike = VehicleSprite(VEHICLE1, rect.center)
ball = VehicleSprite(VEHICLE2, rect.center)
bike_group = pygame.sprite.Group(bike)
ball_group = pygame.sprite.Group(ball)
all_sprites = pygame.sprite.Group(bike_group, ball_group)
camera = pygame.math.Vector2(0, 0)
done = False
while not done:
time = clock.tick(60)
for event in pygame.event.get():
if event.type == pygame.QUIT:
done = True
elif event.type == pygame.KEYDOWN:
# Bike Input (Player 1)
if event.key == pygame.K_d:
bike.k_right = -5
elif event.key == pygame.K_a:
bike.k_left = 5
elif event.key == pygame.K_w:
bike.k_up = 2
elif event.key == pygame.K_s:
bike.k_down = -2
elif event.key == pygame.K_ESCAPE:
done = True
elif event.type == pygame.KEYUP:
if event.key == pygame.K_d:
bike.k_right = 0
elif event.key == pygame.K_a:
bike.k_left = 0
elif event.key == pygame.K_w:
bike.k_up = 0
elif event.key == pygame.K_s:
bike.k_down = 0
camera -= bike.velocity
all_sprites.update(time)
screen.fill(WHITE)
screen.blit(background.image, background.rect)
for sprite in all_sprites:
screen.blit(sprite.image, sprite.rect.topleft+camera)
pygame.display.flip()
game_loop()
pygame.quit()