import autopy
import math
import time
import random

TWO_PI = math.pi * 2.0


def sine_mouse_wave():
    """
    Moves the mouse in a sine wave from the left edge of the screen to
    the right.
    """
    width, height = autopy.screen.get_size()
    height /= 2
    height -= 10  # Stay in the screen bounds.

    for x in xrange(width):
        y = int(height * math.sin((TWO_PI * x) / width) + height)
        autopy.mouse.move(x, y)
        time.sleep(random.uniform(0.001, 0.003))

sine_mouse_wave()