# script for bevel-gear animation

from PySide import QtCore
import FreeCAD as app
import FreeCADGui as gui
import numpy as np

doc = app.ActiveDocument
g2 = doc.Common
g1 = doc.Common001

timer = QtCore.QTimer()


def make_pics():
    n = 30
    for i in range(n):
        phi = np.pi * 2 / 30 / n
        g1.Placement.Rotation.Angle += phi * 2
        g2.Placement.Rotation.Angle -= phi
        gui.activeDocument().activeView().saveImage(
            "/home/lo/Schreibtisch/animated_gear/gear_{}.png".format(i),
            300,
            300,
            "Current",
        )


def update(*args):
    print("time")
    delta_phi = 0.005
    g1.Placement.Rotation.Angle += delta_phi * 2
    g2.Placement.Rotation.Angle -= delta_phi


timer.timeout.connect(update)
timer.start()