scene:_animate(): copy animatables before iterating
scene:_animate(): copy animatables before iterating

  // We make a copy of "animatables" because animatable->_animate can suppress
  // elements from "animatables"
samdauwe/BabylonCpp,samdauwe/BabylonCpp,samdauwe/BabylonCpp,samdauwe/BabylonCpp