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Handling Events in Pygame

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by sneha@openweaver.com dot icon Updated: Mar 29, 2023

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Handling events in coding means writing code to respond to a user action or other event. This could mean responding to a button click, a key press, or a mouse movement. The code written to handle an event is called an event handler. Event handlers can also respond to system events, such as a file being opened or a network connection being made. 



Pygame is a cross-platform Python module designed for writing video games. It will contain computer graphics and sound libraries designed for Python. Pygame is highly portable and can run on nearly every operating system and platform. 



Handling events in Pygame means writing code responding to events such as the user pressing a key, clicking the mouse, or resizing the window. 

  • These events can be captured and used to trigger various actions, such as updating the game state, drawing graphics, or playing music.

 

Here is an example of handling events in Pygame 



Fig1: Preview of the Output when the code is run in IDE

Code


In this solution, we will use the Pygame function.

MOUSEBUTTON events in pygame

PythondotLines of Code : 28dotLicense : Strong Copyleft (CC BY-SA 4.0)

Dependent Libraries : 
import pygame
pygame.init()
pygame.font.init()

clock = pygame.time.Clock()
screen = pygame.display.set_mode([320,240])
sys_font = pygame.font.SysFont(pygame.font.get_default_font(), 18)

pygame.display.set_caption("Clicker")
clicks = 0  # initialise the score counter
done = False
while not done:
    #Events
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            done = True
        elif event.type == pygame.MOUSEBUTTONDOWN:
            clicks += 1

    #Graphics
    screen.fill(pygame.color.Color("white"))
    score_txt = sys_font.render(f"Clicks: {clicks}", True, pygame.color.Color("blue"))
    screen.blit(score_txt, (20, 220))
    #Frame Change
    pygame.display.update()
    clock.tick(60)
pygame.quit()

Instructions


  1. Install Jupyter Notebook on your computer.
  2. Open terminal and install the required libraries with following commands.
  3. Install Pygame - pip install pygame
  4. Copy the snippet using the 'copy' button and paste it into that file.
  5. Run the file using run button.


I hope you found this useful. I have added the link to dependent libraries, version information in the following sections.


I found this code snippet by searching for "Handling mousebutton events in Pygame" in kandi. You can try any such use case!

Dependent Libraries

pygameby pygame

C doticonstar image 6066 doticonVersion:2.5.0.dev2doticon
no licences License: No License (null)

🐍🎮 pygame (the library) is a Free and Open Source python programming language library for making multimedia applications like games built on top of the excellent SDL library. C, Python, Native, OpenGL.

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            pygameby pygame

            C doticon star image 6066 doticonVersion:2.5.0.dev2doticonno licences License: No License

            🐍🎮 pygame (the library) is a Free and Open Source python programming language library for making multimedia applications like games built on top of the excellent SDL library. C, Python, Native, OpenGL.
            Support
              Quality
                Security
                  License
                    Reuse

                      If you do not have Pygame that is required to run this code, you can install it by clicking on the above link and copying the pip Install command from the Pygame page in kandi.


                      You can search for any dependent library on kandi like Pygame.

                      Environment Tested


                      I tested this solution in the following versions. Be mindful of changes when working with other versions.

                      1. The solution is created in Python3.9.6
                      2. The solution is tested on Pygame 2.3.0 version.


                      Using this solution, we are able to handle the events in Pygame


                      This process also facilities an easy to use, hassle free method to create a hands-on working version of code which would help us to handle events in Pygame.

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