C++ StaticModel::SetOccluder方法代码示例

void MultipleViewports::CreateScene()
{
    ResourceCache* cache = GetSubsystem<ResourceCache>();
    
    scene_ = new Scene(context_);
    
    // Create octree, use default volume (-1000, -1000, -1000) to (1000, 1000, 1000)
    // Also create a DebugRenderer component so that we can draw debug geometry
    scene_->CreateComponent<Octree>();
    scene_->CreateComponent<DebugRenderer>();
    
    // Create scene node & StaticModel component for showing a static plane
    Node* planeNode = scene_->CreateChild("Plane");
    planeNode->SetScale(Vector3(100.0f, 1.0f, 100.0f));
    StaticModel* planeObject = planeNode->CreateComponent<StaticModel>();
    planeObject->SetModel(cache->GetResource<Model>("Models/Plane.mdl"));
    planeObject->SetMaterial(cache->GetResource<Material>("Materials/StoneTiled.xml"));
    
    // Create a Zone component for ambient lighting & fog control
    Node* zoneNode = scene_->CreateChild("Zone");
    Zone* zone = zoneNode->CreateComponent<Zone>();
    zone->SetBoundingBox(BoundingBox(-1000.0f, 1000.0f));
    zone->SetAmbientColor(Color(0.15f, 0.15f, 0.15f));
    zone->SetFogColor(Color(0.5f, 0.5f, 0.7f));
    zone->SetFogStart(100.0f);
    zone->SetFogEnd(300.0f);
    
    // Create a directional light to the world. Enable cascaded shadows on it
    Node* lightNode = scene_->CreateChild("DirectionalLight");
    lightNode->SetDirection(Vector3(0.6f, -1.0f, 0.8f));
    Light* light = lightNode->CreateComponent<Light>();
    light->SetLightType(LIGHT_DIRECTIONAL);
    light->SetCastShadows(true);
    light->SetShadowBias(BiasParameters(0.00025f, 0.5f));
    // Set cascade splits at 10, 50 and 200 world units, fade shadows out at 80% of maximum shadow distance
    light->SetShadowCascade(CascadeParameters(10.0f, 50.0f, 200.0f, 0.0f, 0.8f));

    // Create some mushrooms
    const unsigned NUM_MUSHROOMS = 240;
    for (unsigned i = 0; i < NUM_MUSHROOMS; ++i)
    {
        Node* mushroomNode = scene_->CreateChild("Mushroom");
        mushroomNode->SetPosition(Vector3(Random(90.0f) - 45.0f, 0.0f, Random(90.0f) - 45.0f));
        mushroomNode->SetRotation(Quaternion(0.0f, Random(360.0f), 0.0f));
        mushroomNode->SetScale(0.5f + Random(2.0f));
        StaticModel* mushroomObject = mushroomNode->CreateComponent<StaticModel>();
        mushroomObject->SetModel(cache->GetResource<Model>("Models/Mushroom.mdl"));
        mushroomObject->SetMaterial(cache->GetResource<Material>("Materials/Mushroom.xml"));
        mushroomObject->SetCastShadows(true);
    }
    
    // Create randomly sized boxes. If boxes are big enough, make them occluders
    const unsigned NUM_BOXES = 20;
    for (unsigned i = 0; i < NUM_BOXES; ++i)
    {
        Node* boxNode = scene_->CreateChild("Box");
        float size = 1.0f + Random(10.0f);
        boxNode->SetPosition(Vector3(Random(80.0f) - 40.0f, size * 0.5f, Random(80.0f) - 40.0f));
        boxNode->SetScale(size);
        StaticModel* boxObject = boxNode->CreateComponent<StaticModel>();
        boxObject->SetModel(cache->GetResource<Model>("Models/Box.mdl"));
        boxObject->SetMaterial(cache->GetResource<Material>("Materials/Stone.xml"));
        boxObject->SetCastShadows(true);
        if (size >= 3.0f)
            boxObject->SetOccluder(true);
    }
    
    // Create the cameras. Limit far clip distance to match the fog
    cameraNode_ = scene_->CreateChild("Camera");
    Camera* camera = cameraNode_->CreateComponent<Camera>();
    camera->SetFarClip(300.0f);
    
    // Parent the rear camera node to the front camera node and turn it 180 degrees to face backward
    // Here, we use the angle-axis constructor for Quaternion instead of the usual Euler angles
    rearCameraNode_ = cameraNode_->CreateChild("RearCamera");
    rearCameraNode_->Rotate(Quaternion(180.0f, Vector3::UP));
    Camera* rearCamera = rearCameraNode_->CreateComponent<Camera>();
    rearCamera->SetFarClip(300.0f);
    // Because the rear viewport is rather small, disable occlusion culling from it. Use the camera's
    // "view override flags" for this. We could also disable eg. shadows or force low material quality
    // if we wanted
    rearCamera->SetViewOverrideFlags(VO_DISABLE_OCCLUSION);
    
    // Set an initial position for the front camera scene node above the plane
    cameraNode_->SetPosition(Vector3(0.0f, 5.0f, 0.0f));
}

void Navigation::CreateScene()
{
    ResourceCache* cache = GetSubsystem<ResourceCache>();
    
    scene_ = new Scene(context_);
    
    // Create octree, use default volume (-1000, -1000, -1000) to (1000, 1000, 1000)
    // Also create a DebugRenderer component so that we can draw debug geometry
    scene_->CreateComponent<Octree>();
    scene_->CreateComponent<DebugRenderer>();
    
    // Create scene node & StaticModel component for showing a static plane
    Node* planeNode = scene_->CreateChild("Plane");
    planeNode->SetScale(Vector3(100.0f, 1.0f, 100.0f));
    StaticModel* planeObject = planeNode->CreateComponent<StaticModel>();
    planeObject->SetModel(cache->GetResource<Model>("Models/Plane.mdl"));
    planeObject->SetMaterial(cache->GetResource<Material>("Materials/StoneTiled.xml"));
    
    // Create a Zone component for ambient lighting & fog control
    Node* zoneNode = scene_->CreateChild("Zone");
    Zone* zone = zoneNode->CreateComponent<Zone>();
    zone->SetBoundingBox(BoundingBox(-1000.0f, 1000.0f));
    zone->SetAmbientColor(Color(0.15f, 0.15f, 0.15f));
    zone->SetFogColor(Color(0.5f, 0.5f, 0.7f));
    zone->SetFogStart(100.0f);
    zone->SetFogEnd(300.0f);
    
    // Create a directional light to the world. Enable cascaded shadows on it
    Node* lightNode = scene_->CreateChild("DirectionalLight");
    lightNode->SetDirection(Vector3(0.6f, -1.0f, 0.8f));
    Light* light = lightNode->CreateComponent<Light>();
    light->SetLightType(LIGHT_DIRECTIONAL);
    light->SetCastShadows(true);
    light->SetShadowBias(BiasParameters(0.0001f, 0.5f));
    // Set cascade splits at 10, 50 and 200 world units, fade shadows out at 80% of maximum shadow distance
    light->SetShadowCascade(CascadeParameters(10.0f, 50.0f, 200.0f, 0.0f, 0.8f));
    
    // Create some mushrooms
    const unsigned NUM_MUSHROOMS = 100;
    for (unsigned i = 0; i < NUM_MUSHROOMS; ++i)
        CreateMushroom(Vector3(Random(90.0f) - 45.0f, 0.0f, Random(90.0f) - 45.0f));
    
    // Create randomly sized boxes. If boxes are big enough, make them occluders
    const unsigned NUM_BOXES = 20;
    for (unsigned i = 0; i < NUM_BOXES; ++i)
    {
        Node* boxNode = scene_->CreateChild("Box");
        float size = 1.0f + Random(10.0f);
        boxNode->SetPosition(Vector3(Random(80.0f) - 40.0f, size * 0.5f, Random(80.0f) - 40.0f));
        boxNode->SetScale(size);
        StaticModel* boxObject = boxNode->CreateComponent<StaticModel>();
        boxObject->SetModel(cache->GetResource<Model>("Models/Box.mdl"));
        boxObject->SetMaterial(cache->GetResource<Material>("Materials/Stone.xml"));
        boxObject->SetCastShadows(true);
        if (size >= 3.0f)
            boxObject->SetOccluder(true);
    }
    
    // Create a NavigationMesh component to the scene root
    NavigationMesh* navMesh = scene_->CreateComponent<NavigationMesh>();
    // Create a Navigable component to the scene root. This tags all of the geometry in the scene as being part of the
    // navigation mesh. By default this is recursive, but the recursion could be turned off from Navigable
    scene_->CreateComponent<Navigable>();
    // Add padding to the navigation mesh in Y-direction so that we can add objects on top of the tallest boxes
    // in the scene and still update the mesh correctly
    navMesh->SetPadding(Vector3(0.0f, 10.0f, 0.0f));
    // Now build the navigation geometry. This will take some time. Note that the navigation mesh will prefer to use
    // physics geometry from the scene nodes, as it often is simpler, but if it can not find any (like in this example)
    // it will use renderable geometry instead
    navMesh->Build();
    
    // Create the camera. Limit far clip distance to match the fog
    cameraNode_ = scene_->CreateChild("Camera");
    Camera* camera = cameraNode_->CreateComponent<Camera>();
    camera->SetFarClip(300.0f);
    
    // Set an initial position for the camera scene node above the plane
    cameraNode_->SetPosition(Vector3(0.0f, 5.0f, 0.0f));
}

void Urho3DTemplate::CreateScene()
{
    ResourceCache* cache = GetSubsystem<ResourceCache>();

    scene_ = new Scene(context_);

    //Create octree, use default volume (-1000, -1000, -1000) to (1000,1000,1000)
    //Also create a DebugRenderer component so that we can draw debug geometry
    scene_->CreateComponent<Octree>();
    scene_->CreateComponent<DebugRenderer>();

    //Create scene node & StaticModel component for showing a static plane
    Node* planeNode = scene_->CreateChild("Plane");
    planeNode->SetScale(Vector3(100.0f, 1.0f, 100.0f));
    StaticModel* planeObject = planeNode->CreateComponent<StaticModel>();
    planeObject->SetModel(cache->GetResource<Model>("Models/Plane.mdl"));
    planeObject->SetMaterial(cache->GetResource<Material>("Materials/StoneTiled.xml"));

    //Create a Zone component for ambient lighting & fog control
    Node* zoneNode = scene_->CreateChild("Zone");
    Zone* zone = zoneNode->CreateComponent<Zone>();
    zone->SetBoundingBox(BoundingBox(-1000.0f, 1000.0f));
    zone->SetAmbientColor(Color(0.15f, 0.15f, 0.15f));
    zone->SetFogColor(Color(0.5f, 0.5f, 0.7f));
    zone->SetFogStart(100.0f);
    zone->SetFogEnd(300.0f);

    //Create a directional light to the world. Enable cascaded shadows on it
    Node* lightNode = scene_->CreateChild("DirectionalLight");
    lightNode->SetDirection(Vector3(0.6f, -1.0f, 0.8f));
    Light* light = lightNode->CreateComponent<Light>();
    light->SetLightType(LIGHT_DIRECTIONAL);
    light->SetCastShadows(true);
    light->SetShadowBias(BiasParameters(0.00025f, 0.5f));

    //Set cascade splits at 10, 50, 200 world unitys, fade shadows at 80% of maximum shadow distance
    light->SetShadowCascade(CascadeParameters(10.0f, 50.0f, 200.0f, 0.0f, 0.8f));

    //Create some mushrooms
    const unsigned NUM_MUSHROOMS = 100;
    for (unsigned i = 0; i < NUM_MUSHROOMS; ++i)
        CreateMushroom(Vector3(Random(90.0f) - 45.0f, 0.0f, Random(90.0f) - 45.0f));

    //Create randomly sized boxes. If boxes are big enough make them occluders
    const unsigned NUM_BOXES = 20;
    for (unsigned i = 0; i <NUM_BOXES; ++i)
    {
        Node* boxNode = scene_->CreateChild("Box");
        float size = 1.0f + Random(10.0f);
        boxNode->SetPosition(Vector3(Random(80.0f) - 40.0f, size * 0.5f, Random(80.0f) - 40.0f));
        boxNode->SetScale(size);
        StaticModel* boxObject = boxNode->CreateComponent<StaticModel>();
        boxObject->SetModel(cache->GetResource<Model>("Models/Box.mdl"));
        boxObject->SetMaterial(cache->GetResource<Material>("Materials/Stone.xml"));
        boxObject->SetCastShadows(true);
        if (size >= 3.0f)
            boxObject->SetOccluder(true);
    }

    //Create Jack node that will follow the path
    jackNode_ = scene_->CreateChild("Jack");
    jackNode_->SetPosition(Vector3(-5.0f, 0.0f, 20.0f));
    AnimatedModel* modelObject = jackNode_->CreateComponent<AnimatedModel>();
    modelObject->SetModel(cache->GetResource<Model>("Model/Jack.mdl"));
    modelObject->SetMaterial(cache->GetResource<Material>("Materials/Jack.xml"));
    modelObject->SetCastShadows(true);

    //Create the camera. Limit far clip distance to match the fog
    cameraNode_ = scene_->CreateChild("Camera");
    Camera* camera = cameraNode_->CreateComponent<Camera>();
    camera->SetFarClip(300.0f);

    //Set an initial position for the camera scene node above the plane
    cameraNode_->SetPosition(Vector3(0.0f, 5.0f, 0.0f));
}