#!/usr/bin/env python3
import pymunk               # Import pymunk..

space = pymunk.Space()      # Create a Space which contain the simulation
space.gravity = 0, -1000     # Set its gravity

body = pymunk.Body(1, 1666)  # Create a Body with mass and moment
body.position = 50, 100      # Set the position of the body

poly = pymunk.Poly.create_box(body)  # Create a box shape and attach to body
space.add(body, poly)       # Add both body and shape to the simulation

while True:                 # Infinite loop simulation
    space.step(0.02)        # Step the simulation one step forward