update method

@override void update(double deltaTime, BaseObject parent)

Implementation

@override
void update(double deltaTime, BaseObject parent) {
  var drawableList = this.drawableList;
  if (drawableList != null) {
    if (parent is SceneObject && parent.isVisible) {
      _positionWorkspace.setFrom(parent.position);
      _positionWorkspace.add(drawOffset);
      if (cameraRelative) {
        final focusPosition = systems.cameraSystem.focusPosition;
        final params = systems.parameters;
        final x = _positionWorkspace.x - focusPosition.x + params.viewHalfWidth;
        final y = _positionWorkspace.y - focusPosition.y + params.viewHalfHeight;
        _screenLocation.setValues(x, y);
      }
      for (var i = 0; i < drawableList.length; i++) {
        var drawable = drawableList[i];
        if (drawable.isReady && drawable.visibleAtPosition(_screenLocation)) {
          systems.renderSystem.drawObject(
              drawable: drawable,
              position: _positionWorkspace,
              priority: priority + i,
              cameraRelative: cameraRelative);
        }
      }
    }
  }
}