python_graphics_1.py

# Example for interactivedatascience.courses
# Draws a line that responds to time.
# Author: A Samuel Pottinger
# License: BSD-3-Clause

import sketchingpy
import time

sketch = sketchingpy.Sketch2D(500, 400)

start_time = time.time()

def draw_moving_line(self):
    seconds = time.time() - start_time
    pixels_per_second = 5
    offset = seconds * pixels_per_second
    sketch.draw_line(250, 200, 100, 50 + offset)

sketch.on_step(draw_moving_line)
sketch.show()