课程目标
手把手教你从零开始使用Python编写大型冒险类游戏,通过本教程的学习大家可以熟练应用Python知识,提高编程思维,掌握大型游戏开发技巧,干货满满,良心制作。为普及国内Python的学习尽一份微薄之力,让更多的朋友体会到编程的乐趣。
视频教程地址
预备知识
本节代码:
import pygame
import time
import sys
from enum import Enum
BG_COLOR = (200,200,200)
PLAYER_COLOR = (200,100,100)
SCREEN_SIZE = (500,500)
PLAYER_SPEED = 9
PLAYER_SIZE = (50, 50)
PLAYER_START_POS = (100, 400)
class Box:
def __init__(self, start_pos, size):
self.x = start_pos[0]
self.y = start_pos[1]
self.w = size[0]
self.h = size[1]
def rect(self):
return (self.x, self.y, self.w, self.h)
class Direction(Enum):
LEFT = 1
RIGHT = 2
UP = 3
DOWN = 4
pygame.init()
screen = pygame.display.set_mode(SCREEN_SIZE)
player = Box(PLAYER_START_POS, PLAYER_SIZE)
direction = Direction.RIGHT
speed = 0
clock = pygame.time.Clock()
FPS=30
while(True):
clock.tick(FPS)
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
direction = Direction.LEFT
speed = PLAYER_SPEED
elif event.key == pygame.K_RIGHT:
direction = Direction.RIGHT
speed = PLAYER_SPEED
elif event.key == pygame.K_UP:
direction = Direction.UP
speed = PLAYER_SPEED
elif event.key == pygame.K_DOWN:
direction = Direction.DOWN
speed = PLAYER_SPEED
if event.type == pygame.KEYUP:
speed = 0
if direction == Direction.LEFT:
player.x -= speed
elif direction == Direction.RIGHT:
player.x += speed
elif direction == Direction.UP:
player.y -= speed
elif direction == Direction.DOWN:
player.y += speed
if player.x < 0:
player.x = 0
elif player.x > SCREEN_SIZE[0] - player.w:
player.x = SCREEN_SIZE[0] - player.w
if player.y < 0:
player.y = 0
elif player.y > SCREEN_SIZE[1] - player.h:
player.y = SCREEN_SIZE[1] - player.h
screen.fill(BG_COLOR)
pygame.draw.rect(screen, PLAYER_COLOR, player.rect())
pygame.display.update()
重构
import pygame
import sys
BG_COLOR = (200,200,200)
PLAYER_COLOR = (200,100,100)
SCREEN_SIZE = (800,600)
PLAYER_SPEED = 9
PLAYER_SIZE = (50, 25)
PLAYER_START_POS = (100, 100)
class Box:
def __init__(self, pos, size, color):
self.x = pos[0]
self.y = pos[1]
self.w = size[0]
self.h = size[1]
self.color = color
def rect(self):
return (self.x, self.y, self.w, self.h)
class PlayerBox:
def __init__(self, box, direction, speed, max_speed):
self.box = box
self.direction = direction
self.speed = speed
self.max_speed = max_speed
def set_moving_in_dir(self, direction):
self.direction = direction
self.speed = self.max_speed
def set_not_moving(self):
self.speed = 0
class Direction:
LEFT = 1
RIGHT = 2
UP = 3
DOWN = 4
pygame.init()
screen = pygame.display.set_mode(SCREEN_SIZE)
player = PlayerBox(Box(PLAYER_START_POS, PLAYER_SIZE, PLAYER_COLOR), Direction.RIGHT, 0, PLAYER_SPEED)
clock = pygame.time.Clock()
FPS=30
while True:
clock.tick(FPS)
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
player.set_moving_in_dir(Direction.LEFT)
elif event.key == pygame.K_RIGHT:
player.set_moving_in_dir(Direction.RIGHT)
elif event.key == pygame.K_UP:
player.set_moving_in_dir(Direction.UP)
elif event.key == pygame.K_DOWN:
player.set_moving_in_dir(Direction.DOWN)
if event.type == pygame.KEYUP:
player.set_not_moving()
if player.direction == Direction.LEFT:
player.box.x = max(player.box.x - player.speed, 0)
elif player.direction == Direction.RIGHT:
player.box.x = min(player.box.x + player.speed, SCREEN_SIZE[0] - player.box.w)
elif player.direction == Direction.UP:
player.box.y = max(player.box.y - player.speed, 0)
elif player.direction == Direction.DOWN:
player.box.y = min(player.box.y + player.speed, SCREEN_SIZE[1] - player.box.h)
screen.fill(BG_COLOR)
pygame.draw.rect(screen, player.box.color, player.box.rect())
pygame.display.update()
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