multiple_objects_animation.py

import math
import time
import random
import logging
import os.path
import itertools as it

logging.basicConfig(level=logging.INFO)

from freemoovr.proxy.base_zmq import ServerBaseZMQ
from freemoovr.proxy.stimulus_osg import StimulusOSG2Controller

from lutil import PathIter, TimedTrue

p = '1_object_1_animation_osgexp0130.osgt'  # relative paths are in the compilation data directory

vr = StimulusOSG2Controller(server_ids=['default-id'])
vr.set_animation_duration(1.0)
vr.wait_for_servers()

nodes = {'original': vr.load_osg(p)}
paths = {'original': PathIter(0.5, 0.5, 0.05).walk()}


for i in range(2):
    name = 'copy%d' % i
    nodes[name] = nodes['original'].clone(name)
    paths[name] = PathIter(1 + (i * 0.5), 1 + (i * 0.7), 0.05).walk()

vr.wait_for_servers()

for node in nodes.values():
    node.hide()
vr.wait_for_servers()

visible = {n: False for n in nodes}
started = {n: False for n in nodes}

observer_path = PathIter(0, dt=0.1).walk()

every_2s = TimedTrue.new_every(seconds=2)


for j in it.count():
    opos = next(observer_path)

    for idx, name in enumerate(sorted(nodes)):
        node = nodes[name]
        path = paths[name]
        pos = next(path)
        if visible.get(name):
            node.move(*pos)

    if every_2s:
        name = random.choice(nodes.keys())

        choices = []

        if visible[name]:
            choices.append('fade_out')
            if started[name]:
                choices.append('anim_stop')
            else:
                choices.append('anim_start')
        else:
            choices.append('fade_in')

        what = random.choice(choices)
        node = nodes[name]

        if what == 'fade_out':
            node.fade_out()
            visible[name] = False
        elif what == 'fade_in':
            node.fade_in()
            visible[name] = True
        elif what == 'anim_stop':
            node.animation_stop('ArmatureAction_O1')
            started[name] = False
        elif what == 'anim_start':
            node.animation_start('ArmatureAction_O1')
            started[name] = True

        print name, what

    vr.set_position(*opos)

    time.sleep(0.05)