pygame.USEREVENT
时间: 2023-10-29 13:07:02 浏览: 46
pygame.USEREVENT is a constant in the Pygame library that represents a user-defined event. It is an integer value that can be used to create custom events for use in Pygame applications. These events can be used to trigger specific actions or behaviors in response to user input or other conditions within the game. The value of pygame.USEREVENT is set to 24 by default, but can be changed if necessary. To create a custom event, you can use the pygame.event.Event() method and pass in the event type as the first argument and any additional data as keyword arguments. For example, to create a custom event with type MY_EVENT_TYPE and a message "Hello world!", you could use the following code:
```python
import pygame
MY_EVENT_TYPE = pygame.USEREVENT + 1
my_event = pygame.event.Event(MY_EVENT_TYPE, message="Hello world!")
pygame.event.post(my_event)
```
This would create a custom event with type MY_EVENT_TYPE and a message "Hello world!", and then add it to the event queue using the pygame.event.post() method. You can then handle this event in your game loop using the pygame.event.get() method and checking the event type.