我试图制作一个简单的平台游戏，但无法使碰撞正常工作。如果我打印我的is_collided_with方法，我会得到无限量的碰撞，但我只期望与我创建的平台发生碰撞。所有这些数字都归还了什么？
import pygame
from pygame.locals import *
# --- constants ---
MAN_SCREEN_MARGIN = 19 # pixels
JUMPING_DURATION = 500 # milliseconds
HORZ_MOVE_INCREMENT = 5 # pixels
TIME_AT_PEAK = JUMPING_DURATION / 2
JUMP_HEIGHT = 200 # pixels
WIN_WIDTH = 680 #width of window
WIN_HEIGHT = 500 #height of window
DISPLAY = (WIN_WIDTH, WIN_HEIGHT) #variable for screen display
DEPTH = 32 #standard
FLAGS = 0 #standard
WHITE = (255, 255, 255) #white
RED = (255, 0, 0) #red
# --- classes ---
class Platform(pygame.Rect):
def __init__(self, x, y, screen):
pygame.Rect.__init__(self, x, y, 40, 20)
self.screen = screen
def draw(self, screen):
pygame.draw.rect(self.screen, RED, self)
class Player():
def __init__(self):
self.image = pygame.image.load('C:\\Users\\admin\\Desktop\\Knight_right.png').convert_alpha()
self.rect = self.image.get_rect()
self.collision = False
def display_player(self):
return self.image
def is_collided_with(self):
return self.rect.collidelistall(platforms)
def facing_right(self):
return pygame.image.load('C:\\Users\\admin\\Desktop\\Knight_right.png').convert_alpha()
def facing_left(self):
return pygame.image.load('C:\\Users\\admin\\Desktop\\Knight_left.png').convert_alpha()
# --- main ---
level = [
"PPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP", #45 x 25
"P P",
"P P",
"P P",
"P PPPPPPPPPPP P",
"P P",
"P P",
"P P",
"P PPPPPPPP P",
"P P",
"P PPPPPPP P",
"P PPPPPP P",
"P P",
"P PPPPPPP P",
"P P",
"P PPPPPP P",
"P P",
"P PPPPPPPPPPP P",
"P P",
"P PPPPPPPPPPP P",
"P P",
"P P",
"P P",
"P P",
"PPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP",
]
pygame.init()
clock = pygame.time.Clock()
screen = pygame.display.set_mode(DISPLAY, FLAGS, DEPTH)
pygame.display.set_caption('Rum Islands')
Hero = Player()
man = Hero.display_player()
def floorY():
''' The Y coordinate of the floor, where the man is placed '''
return screen.get_height() - man.get_height() - MAN_SCREEN_MARGIN
def jumpHeightAtTime(elapsedTime):
''' The height of the jump at the given elapsed time (milliseconds) '''
return ((-1.0/TIME_AT_PEAK**2)* \
((elapsedTime-TIME_AT_PEAK)**2)+1)*JUMP_HEIGHT #some maths bullshit
def horzMoveAmt():
''' Amount of horizontal movement based on left/right arrow keys '''
direction = (keys[K_RIGHT] - keys[K_LEFT]) * HORZ_MOVE_INCREMENT #each key returns 0 or 1
return direction
manX = screen.get_width() / 2 #place man in middle
manY = floorY() #position to place man
jumping = False #variable for jumping
jumpingHorz = 0 #variable for horizontal jumping
platforms = []
loop = True
while loop:
for event in pygame.event.get():
if event.type == QUIT \
or (event.type == KEYDOWN and event.key == K_ESCAPE):
loop = False
keys = pygame.key.get_pressed()
if not jumping:
manX += horzMoveAmt() #if on ground, move left or right
if horzMoveAmt() >= 1:
man = Hero.facing_right()
elif horzMoveAmt() < 0:
man = Hero.facing_left()
if keys[K_SPACE]: #if jump key is pressed
jumping = True #jumping is true
jumpingHorz = horzMoveAmt() #horizontal jumping based on move amt
jumpingStart = pygame.time.get_ticks() #start time of jump
if jumping: #if jumping
t = pygame.time.get_ticks() - jumpingStart #current length of jump
if t > JUMPING_DURATION: #if jump exceeds desired length
jumping = False #stop jumping
jumpHeight = 0 #height = 0
else:
jumpHeight = jumpHeightAtTime(t) #else, get jump height at current time
manY = floorY() - jumpHeight
manX += jumpingHorz
screen.fill(WHITE)
platform_x = 0
platform_y = 0
print(Hero.is_collided_with())
for row in level:
for col in row:
if col == "P":
col = Platform(platform_x, platform_y, screen)
col.draw(screen)
platforms.append(col)
platform_x += 15
platform_y += 20
platform_x = 0
screen.blit(man, (manX, manY))
pygame.display.flip()
clock.tick(50)