Стена Столкновение Прыжки в Pygame

Question

Я делаю платформу уровня редактора с pygame 2.7.9. Есть несколько проблем с кодом. Во-первых, я не могу прыгать, когда я нахожусь на стене. Во-вторых, движения моего персонажа не являются гладкими, когда над стенами. playWallList - это список всех стен уровня.

import pygame, random, sys 
from pygame.locals import * 
running = True #Flags game as on 

class PlayPlayer(pygame.sprite.Sprite): 
    def __init__(self): 
     pygame.sprite.Sprite.__init__(self) 
     self.image = images["spr_player"] 
     self.rect = self.image.get_rect() 
     self.rect.topleft = placedPlayer.rect.topleft 
     self.speedX, self.speedY = 0, 0 
    def update(self): 
     global playWallList 
     self.rect.y += self.speedY 
     self.rect.x += self.speedX 
     self.calc_grav() 
     wall_hit_list = pygame.sprite.spritecollide(self, playWallList, False) 
     for wall in wall_hit_list: 
      if(self.speedX > 0): #player moves right and collides into wall 
       self.rect.left = wall.rect.right 
      elif(self.speedX < 0): #player moves left and collides into wall 
       self.rect.right = wall.rect.left 
     # Check and see if we hit anything 
     wall_hit_list = pygame.sprite.spritecollide(self, playWallList, False) 
     for wall in wall_hit_list: 
      # Reset our position based on the top/bottom of the object. 
      if self.speedY > 0: 
       self.rect.bottom = wall.rect.top 
      elif self.speedY < 0: 
       self.rect.top = wall.rect.bottom 
      # Stop our vertical movement 
      self.speedY = 0 
    def go_left(self): 
     self.speedX = -3 
    def go_right(self): 
     self.speedX = 3 
    def stop(self): 
     self.speedX = 0 
    def calc_grav(self): 
     if self.speedY == 0: 
      self.speedY = 1 
     else: 
      self.speedY += .25 
    def jump(self): 
     global playWallList 
     self.speedY += 2 
     platform_hit_list = pygame.sprite.spritecollide(self, playWallList, False) 
     self.speedY -= 2 
     # Checks to make sure if it is ok to jump 
     if len(platform_hit_list) > 0 or self.rect.bottom >= screenHeight: 
      self.speedY = -10 

while running: 
    for event in pygame.event.get(): 
     if event.type == pygame.KEYUP: 
      if event.key == pygame.K_LEFT and player[0].speedX < 0: 
       player[0].stop() 
      if event.key == pygame.K_RIGHT and player[0].speedX > 0: 
       player[0].stop() 
    keys_pressed = pygame.key.get_pressed() 
    if keys_pressed[K_LEFT]: 
     player[0].go_left() 
    if keys_pressed[K_RIGHT]: 
     player[0].go_right() 
    if keys_pressed[K_UP]: 
     player[0].jump() 

Answer 1

Первая проблема, которую я смог решить, но я забыл, как это сделать. Вторая проблема, которую я решил с помощью self.rect.y + = self.speedY после, а не перед wall_hit_list (при проверке на столкновение для X). Вот обновленный код, который работает (для прыжков и столкновений):

class PlayPlayer(pygame.sprite.Sprite): 
    def __init__(self): 
     pygame.sprite.Sprite.__init__(self) 
     self.image = images["spr_player"] 
     self.rect = self.image.get_rect() 
     self.rect.topleft = placedPlayer.rect.topleft 
     playsprites.add(self) 
     self.speedX, self.speedY = 0, 0 
     self.jumpReset = 0 
    def update(self): 
     global playWallList, wall_hit_list 
     self.calc_grav() 
     self.rect.x += self.speedX 
     wall_hit_list = pygame.sprite.spritecollide(self, playWallList, False) 
     for wall in wall_hit_list: 
      if(self.speedX > 0): #player moves right and collides into wall 
       self.rect.right = wall.rect.left 
      elif(self.speedX < 0): #player moves left and collides into wall 
       self.rect.left = wall.rect.right 
     self.rect.y += self.speedY 
     # Check and see if we hit anything 
     wall_hit_list = pygame.sprite.spritecollide(self, playWallList, False) 
     for wall in wall_hit_list: 
     # Reset our position based on the top/bottom of the object. 
      if self.speedY > 0: 
       self.rect.bottom = wall.rect.top #On top of the wall 
       self.jumpReset = 0 
      elif self.speedY < 0: 
       self.rect.top = wall.rect.bottom #Below the wall 
      # Stop our vertical movement 
      self.speedY = 0 
def go_left(self): 
    self.speedX = -3 
def go_right(self): 
    self.speedX = 3 
def stop(self): 
    self.speedX = 0 
def calc_grav(self): 
    if self.speedY == 0: 
     self.speedY = 1 
    else: 
     self.speedY += .25 
    # On ground? 
    if self.rect.y >= screenHeight-32 and self.speedY >= 0: 
     self.jumpReset = 0 
     self.speedY = 0 
     self.rect.y = screenHeight-32 
def jump(self): 
    global wall_hit_list 
    self.speedY += 2 
    self.speedY -= 2 
    # Checks to make sure if it is ok to jump 
    if len(wall_hit_list) > 0 or self.rect.bottom >= screenHeight-32: 
     self.speedY = -8 
     self.jumpReset = 1 
while running: 
    for event in pygame.event.get(): 
     if event.type == pygame.KEYUP: 
      if event.key == pygame.K_LEFT and player[0].speedX < 0: 
       player[0].stop() 
      if event.key == pygame.K_RIGHT and player[0].speedX > 0: 
       player[0].stop() 
    keys_pressed = pygame.key.get_pressed() 
    if keys_pressed[K_LEFT]: 
     if player[0].rect.left > 0: 
      player[0].go_left() 
     else: 
      player[0].stop() 
    if keys_pressed[K_RIGHT]: 
     if player[0].rect.right < screenWidth: 
      player[0].go_right() 
     else: 
      player[0].stop() 
    if keys_pressed[K_UP]: 
     if player[0].jumpReset == 0: 
      player[0].jump()