Function UpdateScene

tutorials/common/tutorial/scene_device.cpp:1136–1168

  }

  extern "C" void UpdateScene(ISPCScene* scene_in, float time)
  {
    TutorialScene* tutorial_scene = (TutorialScene*) scene_in->tutorialScene;
    if (!tutorial_scene) return;
    if (!g_animation_mode) return;
    
    for (unsigned int geomID=0; geomID<scene_in->numGeometries; geomID++)
    {
      ISPCGeometry* geometry = scene_in->geometries[geomID];

      if (geometry->type == INSTANCE) {
        ISPCInstance* inst = (ISPCInstance*) geometry;
        Ref<SceneGraph::TransformNode> node = tutorial_scene->geometries[geomID].dynamicCast<SceneGraph::TransformNode>();
        assert(node);
        inst->spaces[0] = node->get(time);
        inst->commit();
      }
      else if (geometry->type == INSTANCE_ARRAY) {
        ISPCInstanceArray* inst = (ISPCInstanceArray*) geometry;
        Ref<SceneGraph::MultiTransformNode> node = tutorial_scene->geometries[geomID].dynamicCast<SceneGraph::MultiTransformNode>();
        assert(node);
        for (size_t i = 0; i < inst->numInstances; ++i) {
          inst->spaces_array[0][i] = node->get(i, time);
        }
        inst->commit();
      }
    }

    rtcCommitScene(scene_in->scene);

    for (unsigned int i=0; i<scene_in->numLights; i++)
      ISPCScene::updateLight(tutorial_scene->lights[i]->get(time), scene_in->lights[i]);
  }
}