我写了一个小测试来感受pygame中的碰撞检测。我的玩家可以正常移动并停在岩石上,也就是碰撞发生的地方,但是当我到达岩石后就无法再移开了。你们知道这是为什么吗?下面是我的测试代码:
import pygame
import sys
white = (255, 255, 255)
black = ( 0, 0, 0)
# Player class
class Player(pygame.sprite.Sprite):
def __init__(self):
super().__init__()
self.image = pygame.image.load('../foo.png')
self.rect = self.image.get_rect()
class Rock(pygame.sprite.Sprite):
def __init__(self):
super().__init__()
self.image = pygame.image.load('../rock.png')
self.rect = self.image.get_rect()
self.rect.x = 50
self.rect.y = 50
# essential pygame init
pygame.init()
# screen
screen_width = 400
screen_height = 400
screen_size = (screen_width, screen_height)
screen = pygame.display.set_mode(screen_size)
# List for all sprites
sprites = pygame.sprite.Group()
# Rock
rock = Rock()
sprites.add(rock)
# Create player
player = Player()
sprites.add(player)
done = False
clock = pygame.time.Clock()
while not done:
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
sys.exit()
sprites.update()
pressed = pygame.key.get_pressed()
if pressed[pygame.K_LEFT] and not player.rect.colliderect(rock.rect):
#if not player.rect.colliderect(rock.rect):
move = (-1, 0)
player.rect = player.rect.move(move)
if pressed[pygame.K_RIGHT] and not player.rect.colliderect(rock.rect):
move = (1, 0)
player.rect = player.rect.move(move)
if pressed[pygame.K_UP] and not player.rect.colliderect(rock.rect):
move = (0, -1)
player.rect = player.rect.move(move)
if pressed[pygame.K_DOWN] and not player.rect.colliderect(rock.rect):
move = (0, 1)
player.rect = player.rect.move(move)
screen.fill(white)
sprites.draw(screen)
pygame.display.flip()
clock.tick(30)
pygame.quit()
编辑:当我将移动速度降低到1时,玩家仍然被卡在岩石中。我也更新了代码。
move
会返回一个新的Rect
,所以你可以使用它来检查碰撞。如果有碰撞,什么都不需要做。如果没有碰撞,则将player.rect
设置为新的rect或(在player.rect
上调用move_ip
)。 - slothRect.move()
这样的移动,而是“改变位置”(即动词的正常含义)。 - David Mašek