📜  pygame keydown (1)

📅  最后修改于: 2023-12-03 15:03:54.710000             🧑  作者: Mango

Pygame Keydown

Pygame Keydown is an event that occurs when a key on the keyboard is pressed down. Pygame provides an event queue that allows you to respond to this event and execute the necessary code.

How to handle Keydown events in Pygame

To handle a Keydown event in Pygame, we need to first create an event loop. This event loop will continuously check for events and execute the necessary code for each event.

import pygame

pygame.init()

# Create a game window
screen = pygame.display.set_mode((800, 600))

# Create a clock object
clock = pygame.time.Clock()

# Event loop
while True:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            sys.exit()
        elif event.type == pygame.KEYDOWN:
            # Handle Keydown event
            if event.key == pygame.K_UP:
                # Move object up
            elif event.key == pygame.K_DOWN:
                # Move object down
            elif event.key == pygame.K_LEFT:
                # Move object left
            elif event.key == pygame.K_RIGHT:
                # Move object right
            elif event.key == pygame.K_SPACE:
                # Perform action
                pass
                
    # Update screen
    pygame.display.update()
    # Control frame rate
    clock.tick(60)

In the above code, we have created an event loop that continuously checks for events. When a Keydown event occurs, we check which key was pressed and execute the necessary code.

Key Codes in Pygame

Pygame has predefined key codes for common keyboard keys. These key codes can be accessed using the pygame.K_* constants. For example, pygame.K_UP represents the up arrow key. Here are some common key codes:

  • pygame.K_UP
  • pygame.K_DOWN
  • pygame.K_LEFT
  • pygame.K_RIGHT
  • pygame.K_SPACE
  • pygame.K_RETURN
  • pygame.K_ESCAPE
  • pygame.K_BACKSPACE
Conclusion

Pygame Keydown is an important event that allows you to respond to keyboard inputs in your game. With the above code and key codes, you can handle Keydown events and execute the necessary code to create an interactive game.