将敌人添加到 pygame 平台游戏 [英] Adding enemies to a pygame platformer
问题描述
我是 pygame 的新手，正在尝试制作基于本教程的平台游戏:http://programarcadegames.com/python_examples/show_file.php?file=platform_scroller.py
I'm new to pygame and trying to make a platformer game that's based on this tutorial: http://programarcadegames.com/python_examples/show_file.php?file=platform_scroller.py
我不太明白如何添加移动的敌人，你能帮我吗?
I can't quite figure out how to add moving enemies, can you help me?
推荐答案
移动敌人将是示例中 Player 和 Platform 对象如何工作的组合您链接到的:
Moving enemies would be something of a combination of how the Player and Platform objects work in the example to which you linked:
敌人类将是
pygame.sprite.Sprite的子类，类似于上述两个对象.
The enemy class would be a subclass of
pygame.sprite.Sprite, similar to both aforementioned objects.
他们必须实现一个 update() 方法，类似于 Player，来定义他们如何在每一帧上移动.查看 Player.update() 以获得指导；基本上，以某种方式移动 Enemy 的 rect.
They would have to implement an update() method, similar to Player, to define how they move on each frame. Look at Player.update() for guidance; basically, move the Enemy's rect in some way.
敌人类的实例应该添加到关卡的 enemy_list 对象(示例代码中已经存在)，这意味着它们将在每一帧更新和绘制.这类似于 Level_0x 构造函数如何将 Platform 实例添加到关卡的 platform_list 变量中.
Instances of the enemy class should be added to a level's enemy_list object (which already exists in the example code), which means they would be updated and drawn on every frame. This is similar to how Level_0x constructors add Platform instances to the level's platform_list variable.
简而言之，这看起来像:
In short, that would look something like:
class Enemy(pygame.sprite.Sprite):
def __init__(self):
# Set the size, look, initial position, etc. of an enemy here...
pass
def update(self):
# Define how the enemy moves on each frame here...
pass
class Level_01(Level):
def __init__(self, player):
# platform code already in example goes here...
# Add two enemies to the level
self.enemy_list.add(Enemy())
self.enemy_list.add(Enemy())
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