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Python Processing Starter

This project provides a small Processing-like API on top of Pygame, using Python-style naming. It is designed for quick visual programming, classroom demos, and beginner-friendly sketch workflows.

Project Goal

The goal is to let you write simple sketches with minimal setup:

  • define setup() for one-time initialization
  • define draw() for frame-by-frame rendering
  • call run() to start the sketch loop

You can use functions like size(), background(), circle(), text(), image(), and input callbacks.

Preparation

  1. Have Python!
  2. Install Pygame using pip: pip install pygame
  3. Copy the folder processing to your program's folder or to /Lib/site-packages

Create Your First Sketch

Create a file like my_sketch.py:

from processing import *

x = 0


def setup():
    size(800, 500)
    frame_rate(60)
    title("My First Sketch")


def draw():
    global x
    background(245)
    fill(80, 170, 255)
    no_stroke()
    circle(x, 250, 40)
    x = (x + 2) % width


run()

Run it with:

python my_sketch.py

API Documentation

See api.md for the full English API reference, including:

  • public constants
  • public runtime variables
  • public functions
  • optional callback handlers

Notes

  • Function and variable names follow snake_case.
  • ESC closes the sketch window.
  • The runtime supports both static and interactive sketch modes.