dispose method

@override void dispose()

Implementation

@override
void dispose() {
  if(_didDispose) return;
  _didDispose = true;
  dispatchEvent(Event(type: "dispose"));
  depthTexture?.dispose();
  texture.dispose();
  options.dispose();

  // textures.forEach((t){
  //   t.dispose();
  // });
  // textures.clear();
}